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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.35 by pcg, Fri Feb 20 23:01:45 2004 UTC vs.
Revision 1.392 by sf-exg, Mon Nov 3 09:40:26 2014 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* 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>
7	* - original version	7	* - original version
…		…
11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12	* - extensive modifications	12	* - extensive modifications
13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
16	*	17	*
17	* 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
18	* 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
19	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 3 of the License, or
20	* (at your option) any later version.	21	* (at your option) any later version.
21	*	22	*
22	* 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,
23	* but WITHOUT ANY WARRANTY; without even the implied warranty of	24	* but WITHOUT ANY WARRANTY; without even the implied warranty of
24	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
…		…
29	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
31		32
32	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
33	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
34	#include "main.intpro" /* PROTOS for internal routines */	35	#include "init.h"
		36	#include "keyboard.h"
		37	#include "rxvtperl.h"
35		38
		39	#include <limits>
		40
		41	#include <assert.h>
36	#include <signal.h>	42	#include <signal.h>
37
38	#ifdef TTY_GID_SUPPORT
39	# include <grp.h>	43	#include <string.h>
40	#endif
41		44
42	#ifdef HAVE_TERMIOS_H
43	# include <termios.h>	45	#include <termios.h>
44	#endif
45		46
46	#include <cstring>	47	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# include <locale.h>
		52	#endif
47		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
48	static char curlocale[128];	60	static char curlocale[128], savelocale[128];
49		61
50	void	62	bool
51	rxvt_set_locale (const char *locale)	63	rxvt_set_locale (const char *locale) NOTHROW
52	{	64	{
53	if (locale && STRNCMP (locale, curlocale, 128))	65	int size = strlen (locale) + 1;
54	{	66
55	STRNCPY (curlocale, locale, 128);	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);
56	setlocale (LC_CTYPE, curlocale);	74	setlocale (LC_CTYPE, curlocale);
57	}	75	return true;
58	}	76	}
59		77
60	void *	78	void
61	rxvt_term::operator new (size_t s)	79	rxvt_push_locale (const char *locale) NOTHROW
62	{	80	{
63	void *p = malloc (s);	81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
64		84
65	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
66	return p;	148	return len;
67	}
68		149
69	void
70	rxvt_term::operator delete (void *p, size_t s)
71	{
72	free (p);
73	}	150	}
		151	#endif
74		152
75	rxvt_term::rxvt_term ()	153	rxvt_term::rxvt_term ()
76	:	154	{
77	rootwin_ev (this, &rxvt_term::rootwin_cb),	155	#if HAVE_BG_PIXMAP
78	termwin_ev (this, &rxvt_term::x_cb),	156	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
79	vt_ev (this, &rxvt_term::x_cb),
80	#ifdef HAVE_SCROLLBARS
81	scrollbar_ev (this, &rxvt_term::x_cb),
82	#endif
83	#ifdef MENUBAR
84	menubar_ev (this, &rxvt_term::x_cb), fixme
85	#endif	157	#endif
86	#ifdef CURSOR_BLINK	158	#ifdef CURSOR_BLINK
87	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	159	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
88	#endif	160	#endif
89	#ifdef TEXT_BLINK	161	#ifdef TEXT_BLINK
90	text_blink_ev (this, &rxvt_term::text_blink_cb),	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),
91	#endif	179	#endif
92	#ifdef POINTER_BLANK	180	#ifdef POINTER_BLANK
93	pointer_ev (this, &rxvt_term::pointer_cb),	181	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
94	#endif	182	#endif
95	#ifdef USE_XIM	183	#ifndef NO_BELL
96	im_ev (this, &rxvt_term::im_cb),	184	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
97	#endif	185	#endif
98	check_ev (this, &rxvt_term::check_cb),	186	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
99	destroy_ev (this, &rxvt_term::destroy_cb),	187	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
100	pty_ev (this, &rxvt_term::pty_cb),	188	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
101	incr_ev (this, &rxvt_term::incr_cb)	189	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
102	{	190	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		191	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		192
103	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;
104	}	212	}
105		213
106	rxvt_term::~rxvt_term ()	214	rxvt_term::~rxvt_term ()
107	{	215	{
108	if (cmd_fd >= 0)	216	termlist.erase (find (termlist.begin (), termlist.end(), this));
109	close (cmd_fd);
110		217
111	#ifndef NO_SETOWNER_TTYDEV	218	emergency_cleanup ();
112	privileged_ttydev (RESTORE);
113	#endif
114	#ifdef UTMP_SUPPORT
115	privileged_utmp (RESTORE);
116	#endif
117		219
		220	#if ENABLE_STYLES
		221	for (int i = RS_styleCount; --i; )
		222	if (fontset[i] != fontset[0])
		223	delete fontset[i];
		224	#endif
118	delete TermWin.fontset;	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
119		234
120	if (display)	235	if (display)
121	if (TermWin.parent[0])	236	{
122	XDestroyWindow (display->display, TermWin.parent[0]);	237	selection_clear ();
		238	selection_clear (true);
123		239
124	// TODO: free pixcolours, colours should become part of rxvt_display	240	#if USE_XIM
		241	im_destroy ();
		242	#endif
		243	scrollBar.destroy ();
125		244
126	delete PixColors;	245	if (gc)
		246	XFreeGC (dpy, gc);
127		247
		248	delete drawable;
		249
		250	// destroy all windows
		251	if (parent)
		252	XDestroyWindow (dpy, parent);
		253
		254	for (int i = 0; i < TOTAL_COLORS; i++)
		255	if (ISSET_PIXCOLOR (i))
		256	{
		257	pix_colors_focused [i].free (this);
		258	#if OFF_FOCUS_FADING
		259	pix_colors_unfocused [i].free (this);
		260	#endif
		261	}
		262
		263	clear ();
		264
		265	display->flush (); /* ideally .put should do this */
128	displays.put (display);	266	displays.put (display);
		267	}
129		268
130	scr_release ();	269	scr_release ();
131		270
132	free (env_windowid);	271	/* clear all resources */
133	free (env_display);	272	for (int i = 0; i < allocated.size (); i++)
134	free (env_term);	273	free (allocated [i]);
135	free (env_colorfgbg);	274
		275	free (selection.text);
		276	free (selection.clip_text);
136	free (locale);	277	free (locale);
137	free (codeset);	278	free (v_buffer);
		279
		280	delete selection_req;
		281
		282	if (env && memcmp (env, envv->begin (), envv->size () * sizeof (char *)))
		283	rxvt_warn ("env has been modified, probably as a result of a lib calling setenv.\n");
		284
		285	delete env;
138		286
139	delete envv;	287	delete envv;
140	delete argv;	288	delete argv;
		289
		290	#ifdef KEYSYM_RESOURCE
		291	delete keyboard;
		292	#endif
		293	#ifndef NO_RESOURCES
		294	XrmDestroyDatabase (option_db);
		295	#endif
		296	}
		297
		298	// child has exited, usually destroys
		299	void
		300	rxvt_term::child_cb (ev::child &w, int status)
		301	{
		302	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		303
		304	cmd_pid = 0;
		305
		306	if (!option (Opt_hold))
		307	destroy ();
141	}	308	}
142		309
143	void	310	void
144	rxvt_term::destroy ()	311	rxvt_term::destroy ()
145	{	312	{
		313	if (destroy_ev.is_active ())
		314	return;
		315
		316	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		317
		318	#if ENABLE_OVERLAY
		319	scr_overlay_off ();
		320	#endif
		321
146	if (display)	322	if (display)
147	{	323	{
		324	#if USE_XIM
		325	im_ev.stop (display);
		326	#endif
		327	scrollbar_ev.stop (display);
		328	#if BG_IMAGE_FROM_ROOT || ENABLE_PERL
148	rootwin_ev.stop (display);	329	rootwin_ev.stop (display);
		330	#endif
149	termwin_ev.stop (display);	331	termwin_ev.stop (display);
150	vt_ev.stop (display);	332	vt_ev.stop (display);
151	#ifdef USE_XIM
152	im_destroy ();
153	im_ev.stop (display);
154	#endif
155	#ifdef HAVE_SCROLLBARS
156	scrollbar_ev.stop (display);
157	#endif
158	#ifdef MENUBAR
159	menubar_ev.stop (display);
160	#endif
161	}	333	}
162		334
163	check_ev.stop ();	335	flush_ev.stop ();
164	pty_ev.stop ();	336	pty_ev.stop ();
165	#ifdef CURSOR_BLINK	337	#ifdef CURSOR_BLINK
166	cursor_blink_ev.stop ();	338	cursor_blink_ev.stop ();
167	#endif	339	#endif
168	#ifdef TEXT_BLINK	340	#ifdef TEXT_BLINK
169	text_blink_ev.stop ();	341	text_blink_ev.stop ();
170	#endif	342	#endif
		343	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		344	cont_scroll_ev.stop ();
		345	#endif
		346	#ifdef SELECTION_SCROLLING
		347	sel_scroll_ev.stop ();
		348	#endif
171	#ifdef POINTER_BLANK	349	#ifdef POINTER_BLANK
172	pointer_ev.stop ();	350	pointer_ev.stop ();
173	#endif	351	#endif
174		352
175	destroy_ev.start (0);	353	destroy_ev.start ();
176	}	354	}
177		355
178	void	356	void
179	rxvt_term::destroy_cb (time_watcher &w)	357	rxvt_term::destroy_cb (ev::idle &w, int revents)
180	{	358	{
181	SET_R (this);	359	make_current ();
182		360
183	delete this;	361	delete this;
184	}	362	}
185		363
		364	void
		365	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
		366	{
		367	if (!opt)
		368	return;
		369
		370	uint8_t mask = 1 << (opt & 7);
		371	uint8_t &val = options [opt >> 3];
		372
		373	val = val & ~mask | (set ? mask : 0);
		374	}
		375
186	/*----------------------------------------------------------------------*/	376	/*----------------------------------------------------------------------*/
187	/* rxvt_init () */	377	/*
188	/* LIBPROTO */	378	* Exit gracefully, clearing the utmp entry and restoring tty attributes
189	rxvt_t	379	*/
190	rxvt_init (int argc, const char *const *argv)	380	static XErrorHandler old_xerror_handler;
191	{
192	SET_R (new rxvt_term);
193		381
194	if (!GET_R->init_vars () || !GET_R->init (argc, argv))	382	static void
		383	rxvt_emergency_cleanup ()
		384	{
		385	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		386	(*t)->emergency_cleanup ();
		387	}
		388
		389	#if !ENABLE_MINIMAL
		390	static void ecb_cold
		391	print_x_error (Display *dpy, XErrorEvent *event)
		392	{
		393	char buffer[BUFSIZ];
		394	char mesg[BUFSIZ];
		395	char number[32];
		396
		397	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		398
		399	XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
		400	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
		401
		402	XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
		403	XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
		404	rxvt_warn ("+ %s: %s\n", mesg, buffer);
		405
		406	XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		407	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
		408
		409	if (event->request_code >= 128)
195	{	410	{
196	delete GET_R;
197	SET_R (0);
198	}
199
200	return GET_R;
201	}
202
203	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
204
205	void
206	rxvt_init_signals ()
207	{
208	/* install exit handler for cleanup */
209	#if 0	411	#if 0
210	#ifdef HAVE_ATEXIT	412	/* XListExtensions and probably query extensions hangs when there are multiple queues errors */
211	atexit (rxvt_clean_exit);	413	int nexts;
		414	char **exts = XListExtensions (dpy, &nexts);
		415
		416	while (nexts)
		417	{
		418	char *extname = exts [nexts - 1];
		419	int major, first_event, first_error;
		420
		421	if (XQueryExtension (dpy, extname, &major, &first_event, &first_error) && major == event->request_code)
		422	{
		423	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		424	rxvt_warn ("+ (which is extension %s minor code %d)\n", extname, event->minor_code);
		425
		426	snprintf (buffer, BUFSIZ, "%s.%d", extname, event->minor_code);
		427	XGetErrorDatabaseText (dpy, "XRequest", buffer, "an unregistered minor code", buffer, BUFSIZ);
		428	rxvt_warn ("+ (which is %s)\n", buffer);
		429
		430	break;
		431	}
		432
		433	printf ("nextss %d %s\n", nexts, extname);//D
		434	--nexts;
		435	++exts;
		436	}
212	#else	437	#else
		438	int nexts = 0;
		439	char **exts = 0;
213	#endif	440	#endif
214	#endif
215		441
216	struct sigaction sa;	442	if (!nexts)
		443	{
		444	rxvt_warn ("+ (which is an unknown extension)\n", buffer);
217		445
218	sigfillset (&sa.sa_mask);	446	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
219	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;	447	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
220	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
221	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
222	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
223	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
224	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
225	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
226
227	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
228	/* signal (SIGURG, SIG_DFL); */
229
230	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
231	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
232	}
233
234	bool
235	rxvt_term::init (int argc, const char *const *argv)
236	{
237	/*
238	* Save and then give up any super-user privileges
239	* If we need privileges in any area then we must specifically request it.
240	* We should only need to be root in these cases:
241	* 1. write utmp entries on some systems
242	* 2. chown tty on some systems
243	*/
244	privileges (SAVE);
245	privileges (IGNORE);
246
247	init_secondary ();
248
249	const char **cmd_argv = init_resources (argc, argv);
250
251	set_locale ("");
252
253	#if (MENUBAR_MAX)
254	menubar_read (rs[Rs_menu]);
255	#endif
256	#ifdef HAVE_SCROLLBARS
257	if (Options & Opt_scrollBar)
258	scrollBar.setIdle (); /* set existence for size calculations */
259	#endif
260
261	create_windows (argc, argv);
262
263	init_xlocale ();
264
265	scr_reset (); /* initialize screen */
266	#ifdef RXVT_GRAPHICS
267	Gr_reset (); /* reset graphics */
268	#endif
269
270	#if 1
271	XSynchronize (display->display, True);
272	#endif
273
274	#ifdef HAVE_SCROLLBARS
275	if (Options & Opt_scrollBar)
276	resize_scrollbar (); /* create and map scrollbar */
277	#endif
278	#if (MENUBAR_MAX)
279	if (menubar_visible (r))
280	XMapWindow (display->display, menuBar.win);
281	#endif
282	#ifdef TRANSPARENT
283	if (Options & Opt_transparent)
284	{
285	XSelectInput (display->display, display->root, PropertyChangeMask);
286	check_our_parents ();
287	}
288	#endif
289
290	rootwin_ev.start (display, display->root);
291
292	XMapWindow (display->display, TermWin.vt);
293	XMapWindow (display->display, TermWin.parent[0]);
294
295	init_command (cmd_argv);
296
297	pty_ev.start (cmd_fd, EVENT_READ);
298
299	check_ev.start ();
300
301	return true;
302	}
303
304	/* ------------------------------------------------------------------------- *
305	* SIGNAL HANDLING & EXIT HANDLER *
306	* ------------------------------------------------------------------------- */
307	/*
308	* Catch a SIGCHLD signal and exit if the direct child has died
309	*/
310	/* ARGSUSED */
311	/* EXTPROTO */
312	RETSIGTYPE
313	rxvt_Child_signal (int sig __attribute__ ((unused)))
314	{
315	int pid, save_errno = errno;
316	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
317	;
318	errno = save_errno;
319		448
320	#if 0	449	#if 0
321	if (pid == cmd_pid)	450	sprintf (number, "RENDER.%d", event->minor_code);
322	exit (EXIT_SUCCESS);	451	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		452	rxvt_warn ("+ (which is %s)\n", buffer);
323	#endif	453	#endif
324	}	454	}
325		455
326	/*	456	XFreeExtensionList (exts);
327	* Catch a fatal signal and tidy up before quitting	457	}
328	*/	458	else
329	/* EXTPROTO */	459	{
330	RETSIGTYPE	460	sprintf (number, "%d", event->request_code);
331	rxvt_Exit_signal (int sig)	461	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
332	{	462	rxvt_warn ("+ (which is %s)\n", buffer);
333	signal (sig, SIG_DFL);	463	}
334	#ifdef DEBUG_CMD
335	rxvt_print_error ("signal %d", sig);
336	#endif
337	rxvt_clean_exit ();
338	kill (getpid (), sig);
339	}
340		464
341	/* INTPROTO */	465	if (event->error_code == BadWindow
342	int	466	|| event->error_code == BadPixmap
		467	|| event->error_code == BadCursor
		468	|| event->error_code == BadFont
		469	|| event->error_code == BadDrawable
		470	|| event->error_code == BadColor
		471	|| event->error_code == BadGC
		472	|| event->error_code == BadIDChoice
		473	|| event->error_code == BadValue
		474	|| event->error_code == BadAtom)
		475	{
		476	if (event->error_code == BadValue)
		477	XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
		478	else if (event->error_code == BadAtom)
		479	XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
		480	else
		481	XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
		482
		483	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
		484	}
		485	}
		486	#endif
		487
		488	int ecb_cold
343	rxvt_xerror_handler (Display *display, XErrorEvent *event)	489	rxvt_xerror_handler (Display *display, XErrorEvent *event)
344	{	490	{
345	if (GET_R->allowedxerror == -1)	491	if (GET_R->allowedxerror == -1)
346	GET_R->allowedxerror = event->error_code;	492	GET_R->allowedxerror = event->error_code;
347	else	493	else
348	{	494	{
		495	// GET_R is most likely not the terminal which caused the error,
		496	// so just output the error and continue
		497	#if ENABLE_MINIMAL
349	old_xerror_handler (display, event);	498	old_xerror_handler (display, event);
350	GET_R->destroy ();	499	#else
		500	print_x_error (display, event);
		501	#endif
351	}	502	}
352		503
353	return 0;	504	return 0;
		505	}
		506
		507	int ecb_cold
		508	rxvt_xioerror_handler (Display *display)
		509	{
		510	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		511	DisplayString (display));
		512	rxvt_emergency_cleanup ();
		513	_exit (EXIT_FAILURE);
		514	}
		515
		516	static struct sig_handlers
		517	{
		518	ev::sig sw_term, sw_int;
		519
		520	/*
		521	* Catch a fatal signal and tidy up before quitting
		522	*/
		523	void sig_term (ev::sig &w, int revents);
		524
		525	sig_handlers ()
		526	{
		527	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		528	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
		529	}
		530	} sig_handlers;
		531
		532	void
		533	sig_handlers::sig_term (ev::sig &w, int revents)
		534	{
		535	rxvt_emergency_cleanup ();
		536	w.stop ();
		537	kill (getpid (), w.signum);
		538	}
		539
		540	static void
		541	rxvt_get_ttymode (struct termios *tio)
		542	{
		543	if (tcgetattr (STDIN_FILENO, tio) < 0)
		544	memset (tio, 0, sizeof (struct termios));
		545
		546	for (int i = 0; i < NCCS; i++)
		547	tio->c_cc[i] = VDISABLE;
		548
		549	tio->c_cc[VINTR] = CINTR;
		550	tio->c_cc[VQUIT] = CQUIT;
		551	tio->c_cc[VERASE] = CERASE;
		552	#ifdef VERASE2
		553	tio->c_cc[VERASE2] = CERASE2;
		554	#endif
		555	tio->c_cc[VKILL] = CKILL;
		556	tio->c_cc[VEOF] = CEOF;
		557	tio->c_cc[VSTART] = CSTART;
		558	tio->c_cc[VSTOP] = CSTOP;
		559	tio->c_cc[VSUSP] = CSUSP;
		560	# ifdef VDSUSP
		561	tio->c_cc[VDSUSP] = CDSUSP;
		562	# endif
		563	# ifdef VREPRINT
		564	tio->c_cc[VREPRINT] = CRPRNT;
		565	# endif
		566	# ifdef VDISCRD
		567	tio->c_cc[VDISCRD] = CFLUSH;
		568	# endif
		569	# ifdef VWERSE
		570	tio->c_cc[VWERSE] = CWERASE;
		571	# endif
		572	# ifdef VLNEXT
		573	tio->c_cc[VLNEXT] = CLNEXT;
		574	# endif
		575	# ifdef VSTATUS
		576	tio->c_cc[VSTATUS] = CSTATUS;
		577	# endif
		578
		579	# if VMIN != VEOF
		580	tio->c_cc[VMIN] = 1;
		581	# endif
		582	# if VTIME != VEOL
		583	tio->c_cc[VTIME] = 0;
		584	# endif
		585
		586	/* input modes */
		587	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		588	# ifdef IMAXBEL
		589	| IMAXBEL
		590	# endif
		591	| IXON);
		592
		593	/* output modes */
		594	tio->c_oflag = (OPOST | ONLCR);
		595
		596	/* control modes */
		597	tio->c_cflag = (CS8 | CREAD);
		598
		599	/* local modes */
		600	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		601	# if defined (ECHOCTL) && defined (ECHOKE)
		602	| ECHOCTL | ECHOKE
		603	# endif
		604	| ECHOE | ECHOK);
		605	}
		606
		607	char **rxvt_environ; // startup environment
		608
		609	void
		610	rxvt_init ()
		611	{
		612	assert (("fontMask must not overlap other RS masks",
		613	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		614
		615	rxvt_get_ttymode (&rxvt_term::def_tio);
		616
		617	// get rid of stdin/stdout as we don't need them, to free resources
		618	dup2 (STDERR_FILENO, STDIN_FILENO);
		619	dup2 (STDERR_FILENO, STDOUT_FILENO);
		620
		621	if (!ev_default_loop ())
		622	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		623
		624	rxvt_environ = environ;
		625
		626	signal (SIGHUP, SIG_IGN);
		627	signal (SIGPIPE, SIG_IGN);
		628
		629	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		630	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		631
		632	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		633	// TODO: handle this with exceptions and tolerate the memory loss
		634	XSetIOErrorHandler (rxvt_xioerror_handler);
		635
		636	XrmInitialize ();
		637
		638	#if HAVE_PIXBUF
		639	g_type_init ();
		640	#endif
354	}	641	}
355		642
356	/*----------------------------------------------------------------------*/	643	/*----------------------------------------------------------------------*/
357	/*	644	/*
358	* Exit gracefully, clearing the utmp entry and restoring tty attributes
359	* TODO: if debugging, this should free up any known resources if we can
360	*/
361	/* EXTPROTO */
362	void
363	rxvt_clean_exit ()
364	{
365	// TODO: rxvtd should clean up all ressources
366	if (GET_R)
367	GET_R->destroy ();
368	}
369
370	/* ------------------------------------------------------------------------- *
371	* MEMORY ALLOCATION WRAPPERS *
372	* ------------------------------------------------------------------------- */
373	/* EXTPROTO */
374	void *
375	rxvt_malloc (size_t size)
376	{
377	void *p;
378
379	p = malloc (size);
380	if (p)
381	return p;
382
383	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
384	rxvt_clean_exit ();
385	exit (EXIT_FAILURE);
386	/* NOTREACHED */
387	}
388
389	/* EXTPROTO */
390	void *
391	rxvt_calloc (size_t number, size_t size)
392	{
393	void *p;
394
395	p = calloc (number, size);
396	if (p)
397	return p;
398
399	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
400	rxvt_clean_exit ();
401	exit (EXIT_FAILURE);
402	/* NOTREACHED */
403	}
404
405	/* EXTPROTO */
406	void *
407	rxvt_realloc (void *ptr, size_t size)
408	{
409	void *p;
410
411	if (ptr)
412	p = realloc (ptr, size);
413	else
414	p = malloc (size);
415	if (p)
416	return p;
417
418	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
419	rxvt_clean_exit ();
420	exit (EXIT_FAILURE);
421	/* NOTREACHED */
422	}
423
424	/* ------------------------------------------------------------------------- *
425	* PRIVILEGED OPERATIONS *
426	* ------------------------------------------------------------------------- */
427	/* take care of suid/sgid super-user (root) privileges */
428	void
429	rxvt_term::privileges (int mode)
430	{
431	#if ! defined(__CYGWIN32__)
432	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
433	/* setreuid () is the poor man's setuid (), seteuid () */
434	# define seteuid(a) setreuid(-1, (a))
435	# define setegid(a) setregid(-1, (a))
436	# define HAVE_SETEUID
437	# endif
438	# ifdef HAVE_SETEUID
439	switch (mode)
440	{
441	case IGNORE:
442	/*
443	* change effective uid/gid - not real uid/gid - so we can switch
444	* back to root later, as required
445	*/
446	seteuid (getuid ());
447	setegid (getgid ());
448	break;
449	case SAVE:
450	euid = geteuid ();
451	egid = getegid ();
452	break;
453	case RESTORE:
454	seteuid (euid);
455	setegid (egid);
456	break;
457	}
458	# else
459	switch (mode)
460	{
461	case IGNORE:
462	setuid (getuid ());
463	setgid (getgid ());
464	/* FALLTHROUGH */
465	case SAVE:
466	/* FALLTHROUGH */
467	case RESTORE:
468	break;
469	}
470	# endif
471	#endif
472	}
473
474	#ifdef UTMP_SUPPORT
475	void
476	rxvt_term::privileged_utmp (char action)
477	{
478	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
479	action, next_utmp_action, getpid ()));
480	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
481	|| (Options & Opt_utmpInhibit)
482	|| ttydev == NULL || *ttydev == '\0')
483	return;
484
485	privileges (RESTORE);
486	if (action == SAVE)
487	{
488	next_utmp_action = RESTORE;
489	makeutent (ttydev, rs[Rs_display_name]);
490	}
491	else
492	{ /* action == RESTORE */
493	next_utmp_action = IGNORE;
494	cleanutent ();
495	}
496	privileges (IGNORE);
497	}
498	#endif
499
500	#ifndef NO_SETOWNER_TTYDEV
501	void
502	rxvt_term::privileged_ttydev (char action)
503	{
504	D_MAIN ((stderr,
505	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
506	action, next_tty_action, getpid ()));
507	if (next_tty_action != action || (action != SAVE && action != RESTORE)
508	|| ttydev == NULL || *ttydev == '\0')
509	return;
510
511	privileges (RESTORE);
512
513	if (action == SAVE)
514	{
515	next_tty_action = RESTORE;
516	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
517	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
518	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
519	next_tty_action = IGNORE;
520	else
521	# endif
522
523	{
524	chown (ttydev, getuid (), ttygid); /* fail silently */
525	chmod (ttydev, ttymode);
526	# ifdef HAVE_REVOKE
527	revoke (ttydev);
528	# endif
529
530	}
531	}
532	else
533	{ /* action == RESTORE */
534	next_tty_action = IGNORE;
535	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
536	chmod (ttydev, ttyfd_stat.st_mode);
537	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
538	# else
539	chmod (ttydev,
540	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
541	chown (ttydev, 0, 0);
542	# endif
543
544	}
545
546	privileges (IGNORE);
547
548	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
549	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
550	action == RESTORE ? "Restoring" : (action ==
551	SAVE ? "Saving" :
552	"UNKNOWN ERROR for"), ttydev,
553	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
554	ttyfd_stat.st_gid));
555	# endif
556	}
557	#endif
558
559	/*----------------------------------------------------------------------*/
560	/*
561	* window size/position calculcations for XSizeHint and other storage.	645	* window size/position calculations for XSizeHint and other storage.
562	* if width/height are non-zero then override calculated width/height	646	* if width/height are non-zero then override calculated width/height
563	*/	647	*/
564	void	648	void
565	rxvt_term::window_calc (unsigned int width, unsigned int height)	649	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
566	{	650	{
567	short recalc_x, recalc_y;	651	short recalc_x, recalc_y;
568	int x, y, sb_w, mb_h, flags;	652	int x, y, flags;
569	unsigned int w, h;	653	unsigned int w, h;
570	unsigned int max_width, max_height;	654	unsigned int max_width, max_height;
571		655
572	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
573	TermWin.ncol, TermWin.nrow, szHint.width,
574	szHint.height));
575	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	656	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
576	szHint.win_gravity = NorthWestGravity;	657	szHint.win_gravity = NorthWestGravity;
577	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	658	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
578		659
579	recalc_x = recalc_y = 0;	660	recalc_x = recalc_y = 0;
580	flags = 0;	661	flags = 0;
		662
581	if (!parsed_geometry)	663	if (!parsed_geometry)
582	{	664	{
583	parsed_geometry = 1;	665	parsed_geometry = 1;
		666
584	if (rs[Rs_geometry])	667	if (rs[Rs_geometry])
585	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	668	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		669
586	if (flags & WidthValue)	670	if (flags & WidthValue)
587	{	671	{
588	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	672	if (!w)
		673	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		674
		675	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
589	szHint.flags |= USSize;	676	szHint.flags |= USSize;
590	}	677	}
		678
591	if (flags & HeightValue)	679	if (flags & HeightValue)
592	{	680	{
593	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	681	if (!h)
		682	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		683
		684	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
594	szHint.flags |= USSize;	685	szHint.flags |= USSize;
595	}	686	}
		687
596	if (flags & XValue)	688	if (flags & XValue)
597	{	689	{
598	szHint.x = x;	690	szHint.x = x;
599	szHint.flags |= USPosition;	691	szHint.flags |= USPosition;
		692
600	if (flags & XNegative)	693	if (flags & XNegative)
601	{	694	{
602	recalc_x = 1;	695	recalc_x = 1;
603	szHint.win_gravity = NorthEastGravity;	696	szHint.win_gravity = NorthEastGravity;
604	}	697	}
605	}	698	}
		699
606	if (flags & YValue)	700	if (flags & YValue)
607	{	701	{
608	szHint.y = y;	702	szHint.y = y;
609	szHint.flags |= USPosition;	703	szHint.flags |= USPosition;
		704
610	if (flags & YNegative)	705	if (flags & YNegative)
611	{	706	{
612	recalc_y = 1;	707	recalc_y = 1;
		708
613	if (szHint.win_gravity == NorthEastGravity)	709	if (szHint.win_gravity == NorthEastGravity)
614	szHint.win_gravity = SouthEastGravity;	710	szHint.win_gravity = SouthEastGravity;
615	else	711	else
616	szHint.win_gravity = SouthWestGravity;	712	szHint.win_gravity = SouthWestGravity;
617	}	713	}
618	}	714	}
619	}	715	}
		716
620	/* TODO: BOUNDS */	717	/* TODO: BOUNDS */
621	TermWin.width = TermWin.ncol * TermWin.fwidth;	718	width = ncol * fwidth;
622	TermWin.height = TermWin.nrow * TermWin.fheight;	719	height = nrow * fheight;
623	max_width = MAX_COLS * TermWin.fwidth;	720	max_width = MAX_COLS * fwidth;
624	max_height = MAX_ROWS * TermWin.fheight;	721	max_height = MAX_ROWS * fheight;
625		722
626	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	723	szHint.base_width = szHint.base_height = 2 * int_bwidth;
627		724
628	sb_w = mb_h = 0;
629	window_vt_x = window_vt_y = 0;	725	window_vt_x = window_vt_y = int_bwidth;
630	if (scrollbar_visible ())	726
		727	if (scrollBar.state)
631	{	728	{
632	sb_w = scrollbar_TotalWidth ();	729	int sb_w = scrollBar.total_width ();
633	szHint.base_width += sb_w;	730	szHint.base_width += sb_w;
		731
634	if (! (Options & Opt_scrollBar_right))	732	if (!option (Opt_scrollBar_right))
635	window_vt_x = sb_w;	733	window_vt_x += sb_w;
636	}
637	if (menubar_visible ())
638	{	734	}
639	mb_h = menuBar_TotalHeight ();	735
640	szHint.base_height += mb_h;
641	window_vt_y = mb_h;
642	}
643	szHint.width_inc = TermWin.fwidth;	736	szHint.width_inc = fwidth;
644	szHint.height_inc = TermWin.fheight;	737	szHint.height_inc = fheight;
645	szHint.min_width = szHint.base_width + szHint.width_inc;	738	szHint.min_width = szHint.base_width + szHint.width_inc;
646	szHint.min_height = szHint.base_height + szHint.height_inc;	739	szHint.min_height = szHint.base_height + szHint.height_inc;
647		740
648	if (width && width - szHint.base_width < max_width)	741	if (newwidth && newwidth - szHint.base_width < max_width)
649	{	742	{
650	szHint.width = width;	743	szHint.width = newwidth;
651	TermWin.width = width - szHint.base_width;	744	width = newwidth - szHint.base_width;
652	}	745	}
653	else	746	else
654	{	747	{
655	MIN_IT (TermWin.width, max_width);	748	min_it (width, max_width);
656	szHint.width = szHint.base_width + TermWin.width;	749	szHint.width = szHint.base_width + width;
657	}	750	}
		751
658	if (height && height - szHint.base_height < max_height)	752	if (newheight && newheight - szHint.base_height < max_height)
659	{	753	{
660	szHint.height = height;	754	szHint.height = newheight;
661	TermWin.height = height - szHint.base_height;	755	height = newheight - szHint.base_height;
662	}	756	}
663	else	757	else
664	{	758	{
665	MIN_IT (TermWin.height, max_height);	759	min_it (height, max_height);
666	szHint.height = szHint.base_height + TermWin.height;	760	szHint.height = szHint.base_height + height;
667	}	761	}
668	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
669	window_sb_x = szHint.width - sb_w;
670		762
671	if (recalc_x)	763	if (recalc_x)
672	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	764	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
673	- szHint.width - 2 * TermWin.ext_bwidth);	765
674	if (recalc_y)	766	if (recalc_y)
675	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	767	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
676	- szHint.height - 2 * TermWin.ext_bwidth);
677		768
678	TermWin.ncol = TermWin.width / TermWin.fwidth;	769	ncol = width / fwidth;
679	TermWin.nrow = TermWin.height / TermWin.fheight;	770	nrow = height / fheight;
680	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	771
681	TermWin.ncol, TermWin.nrow, szHint.width,	772	// When the size of the vt window is not a multiple of the cell
682	szHint.height));	773	// size, i.e., when the wm does not honour our size hints, there are
683	return;	774	// extra areas not covered by the terminal screen. Such gaps, when a
		775	// bg pixmap is set, would have to be cleared manually to properly
		776	// refresh the background. We take the simpler route and shrink the
		777	// vt window so as to avoid creating gaps.
		778	vt_width = ncol * fwidth;
		779	vt_height = nrow * fheight;
684	}	780	}
685		781
686	/*----------------------------------------------------------------------*/	782	/*----------------------------------------------------------------------*/
687	/*	783	/*
688	* Tell the teletype handler what size the window is.	784	* Tell the teletype handler what size the window is.
689	* Called after a window size change.	785	* Called after a window size change.
690	*/	786	*/
691	void	787	void
692	rxvt_term::tt_winch ()	788	rxvt_term::tt_winch ()
693	{	789	{
		790	if (pty->pty < 0)
		791	return;
		792
694	struct winsize ws;	793	struct winsize ws;
695		794
696	if (cmd_fd < 0)
697	return;
698
699	ws.ws_col = TermWin.ncol;	795	ws.ws_col = ncol;
700	ws.ws_row = TermWin.nrow;	796	ws.ws_row = nrow;
701	ws.ws_xpixel = ws.ws_ypixel = 0;	797	ws.ws_xpixel = vt_width;
702	#ifndef DEBUG_SIZE	798	ws.ws_ypixel = vt_height;
703	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	799	ioctl (pty->pty, TIOCSWINSZ, &ws);
		800
		801	#if 0
		802	// TIOCSWINSZ is supposed to do this automatically and correctly
		803	if (cmd_pid) /* force through to the command */
		804	kill (-cmd_pid, SIGWINCH);
		805	#endif
		806	}
		807
		808	/*----------------------------------------------------------------------*/
		809	/* load and set the various fonts */
		810	bool
		811	rxvt_term::set_fonts ()
		812	{
		813	rxvt_fontset *fs = new rxvt_fontset (this);
		814	rxvt_fontprop prop;
		815
		816	if (!fs
		817	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		818	|| !fs->realize_font (1))
		819	{
		820	delete fs;
		821	return false;
		822	}
		823
		824	#if ENABLE_STYLES
		825	for (int i = RS_styleCount; --i; )
		826	if (fontset[i] != fontset[0])
		827	delete fontset[i];
		828	#endif
		829
		830	delete fontset[0];
		831	fontset[0] = fs;
		832
		833	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		834	prop.width = max (prop.width + letterSpace, 1);
		835
		836	fs->set_prop (prop, false);
		837
		838	fwidth = prop.width;
		839	fheight = prop.height + lineSpace;
		840	fbase = prop.ascent;
		841
		842	for (int style = 1; style < 4; style++)
		843	{
		844	#if ENABLE_STYLES
		845	const char *res = rs[Rs_font + style];
		846
		847	if (res && !*res)
		848	fontset[style] = fontset[0];
		849	else
		850	{
		851	fontset[style] = fs = new rxvt_fontset (this);
		852	rxvt_fontprop prop2 = prop;
		853
		854	if (res)
		855	{
		856	fs->populate (res);
		857	fs->set_prop (prop2, false);
		858	}
		859	else
		860	{
		861	fs->populate (fontset[0]->fontdesc);
		862
		863	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		864	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		865
		866	fs->set_prop (prop2, true);
		867	}
		868
		869	}
704	#else	870	#else
705	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	871	fontset[style] = fontset[0];
706	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
707	# ifdef SIGWINCH
708	else if (cmd_pid) /* force through to the command */
709	kill (cmd_pid, SIGWINCH);
710	# endif	872	#endif
711	#endif	873	}
712	}
713		874
714	/*----------------------------------------------------------------------*/	875	if (parent)
715	/* rxvt_change_font () - Switch to a new font */	876	{
716	/*	877	resize_all_windows (0, 0, 0);
717	* init = 1 - initialize	878	scr_remap_chars ();
718	*	879	scr_touch (true);
719	* fontname == FONT_UP - switch to bigger font	880	}
720	* fontname == FONT_DN - switch to smaller font
721	*/
722	void
723	rxvt_term::change_font (int init, const char *fontname)
724	{}
725		881
		882	return true;
		883	}
		884
726	void	885	void
727	rxvt_term::font_up_down (int n, int direction)	886	rxvt_term::set_string_property (Atom prop, const char *str, int len)
728	{}	887	{
		888	XChangeProperty (dpy, parent,
		889	prop, XA_STRING, 8, PropModeReplace,
		890	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		891	}
		892
		893	void
		894	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		895	{
		896	XTextProperty ct;
		897
		898	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		899	{
		900	XSetTextProperty (dpy, parent, &ct, prop);
		901	XFree (ct.value);
		902	}
		903	}
		904
		905	void
		906	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		907	{
		908	wchar_t *ws = rxvt_mbstowcs (str, len);
		909	char *s = rxvt_wcstoutf8 (ws);
		910
		911	XChangeProperty (dpy, parent,
		912	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		913	(const unsigned char *)s, strlen (s));
		914
		915	free (s);
		916	free (ws);
		917	}
729		918
730	/*----------------------------------------------------------------------*/	919	/*----------------------------------------------------------------------*/
731	/*----------------------------------------------------------------------*/	920	/*----------------------------------------------------------------------*/
732	/* xterm sequences - title, iconName, color (exptl) */	921	/* xterm sequences - title, iconName, color (exptl) */
733	void	922	void
734	rxvt_term::set_title (const char *str)	923	rxvt_term::set_title (const char *str)
735	{	924	{
736	#ifndef SMART_WINDOW_TITLE	925	set_mbstring_property (XA_WM_NAME, str);
737	XStoreName (display->display, TermWin.parent[0], str);	926	#if ENABLE_EWMH
738	#else	927	set_utf8_property (xa[XA_NET_WM_NAME], str);
739	char *name;
740
741	if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
742	name = NULL;
743	if (name == NULL || STRCMP (name, str))
744	XStoreName (display->display, TermWin.parent[0], str);
745	if (name)
746	XFree (name);
747	#endif	928	#endif
748	}	929	}
749		930
750	void	931	void
751	rxvt_term::set_iconName (const char *str)	932	rxvt_term::set_icon_name (const char *str)
752	{	933	{
753	#ifndef SMART_WINDOW_TITLE	934	set_mbstring_property (XA_WM_ICON_NAME, str);
754	XSetIconName (display->display, TermWin.parent[0], str);	935	#if ENABLE_EWMH
755	#else	936	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
756	char *name;
757
758	if (XGetIconName (display->display, TermWin.parent[0], &name))
759	name = NULL;
760	if (name == NULL || STRCMP (name, str))
761	XSetIconName (display->display, TermWin.parent[0], str);
762	if (name)
763	XFree (name);
764	#endif	937	#endif
765	}	938	}
766		939
		940	void
		941	rxvt_term::set_window_color (int idx, const char *color)
		942	{
767	#ifdef XTERM_COLOR_CHANGE	943	#ifdef XTERM_COLOR_CHANGE
768	void
769	rxvt_term::set_window_color (int idx, const char *color)
770	{
771	rxvt_color xcol;	944	rxvt_color xcol;
772	int i;
773		945
774	if (color == NULL || *color == '\0')	946	if (color == NULL || *color == '\0')
775	return;	947	return;
776		948
		949	color = strdup (color);
		950	allocated.push_back ((void *)color);
		951	rs[Rs_color + idx] = color;
		952
777	/* handle color aliases */	953	/* handle color aliases */
778	if (isdigit (*color))	954	if (isdigit (*color))
779	{	955	{
780	i = atoi (color);	956	int i = atoi (color);
		957
781	if (i >= 8 && i <= 15)	958	if (i >= 8 && i <= 15)
		959	{
782	{ /* bright colors */	960	/* bright colors */
783	i -= 8;
784	# ifndef NO_BRIGHTCOLOR
785	PixColors[idx] = PixColors[minBrightCOLOR + i];	961	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
786	SET_PIXCOLOR (idx);
787	goto Done;	962	goto done;
788	# endif
789
790	}	963	}
		964
791	if (i >= 0 && i <= 7)	965	if (i >= 0 && i <= 7)
		966	{
792	{ /* normal colors */	967	/* normal colors */
793	PixColors[idx] = PixColors[minCOLOR + i];	968	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
794	SET_PIXCOLOR (idx);
795	goto Done;	969	goto done;
796	}	970	}
797	}	971	}
798	if (!rXParseAllocColor (& xcol, color))	972
799	return;	973	set_color (xcol, color);
800	/* XStoreColor (display->display, XCMAP, XColor*); */
801		974
802	/*	975	/*
803	* FIXME: should free colors here, but no idea how to do it so instead,	976	* FIXME: should free colors here, but no idea how to do it so instead,
804	* so just keep gobbling up the colormap	977	* so just keep gobbling up the colormap
805	*/	978	*/
806	# if 0
807	for (i = Color_Black; i <= Color_White; i++)
808	if (PixColors[idx] == PixColors[i])
809	break;
810	if (i > Color_White)
811	{
812	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
813	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
814	DisplayPlanes (display->display, display->screen));
815	}
816	# endif
817		979
818	PixColors[idx] = xcol;	980	pix_colors_focused[idx] = xcol;
819	SET_PIXCOLOR (idx);
820		981
821	/* XSetWindowAttributes attr; */
822	/* Cursor cursor; */
823	Done:	982	done:
824	if (idx == Color_bg && ! (Options & Opt_transparent))
825	XSetWindowBackground (display->display, TermWin.vt,
826	PixColors[Color_bg]);
827
828	/* handle Color_BD, scrollbar background, etc. */	983	/*TODO: handle Color_BD, scrollbar background, etc. */
829		984
830	set_colorfgbg ();	985	update_fade_color (idx);
831	recolour_cursor ();	986	recolour_cursor ();
832	/* the only reasonable way to enforce a clean update */	987	scr_recolour ();
833	scr_poweron ();	988	#endif /* XTERM_COLOR_CHANGE */
834	}	989	}
835
836	#else
837	# define set_window_color (idx,color) ((void)0)
838	#endif /* XTERM_COLOR_CHANGE */
839		990
840	void	991	void
841	rxvt_term::recolour_cursor ()	992	rxvt_term::recolour_cursor ()
842	{	993	{
843	#if TODO	994	XColor fg, bg;
844	rxvt_color xcol[2];
845		995
846	xcol[0] = PixColors[Color_pointer];	996	(ISSET_PIXCOLOR (Color_pointer_fg)
847	xcol[1] = PixColors[Color_bg];	997	? pix_colors_focused[Color_pointer_fg]
848	XQueryColors (display->display, XCMAP, xcol, 2);	998	: pix_colors_focused[Color_fg]).get (fg);
849	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	999
850	#endif	1000	(ISSET_PIXCOLOR (Color_pointer_bg)
		1001	? pix_colors_focused[Color_pointer_bg]
		1002	: pix_colors_focused[Color_bg]).get (bg);
		1003
		1004	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
851	}	1005	}
852		1006
853	/*----------------------------------------------------------------------*/	1007	/*----------------------------------------------------------------------*/
854	/*	1008	/*
855	* find if fg/bg matches any of the normal (low-intensity) colors	1009	* find if fg/bg matches any of the normal (low-intensity) colors
856	*/	1010	*/
857	void	1011	char *
858	rxvt_term::set_colorfgbg ()	1012	rxvt_term::get_colorfgbg ()
859	{	1013	{
860	unsigned int i;	1014	unsigned int i;
861	const char *xpmb = "\0";	1015	const char *xpmb = "";
862	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	1016	char fstr[] = "default";
863		1017	char bstr[] = "default";
864	env_colorfgbg =	1018	char *env_colorfgbg;
865	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);	1019
866	STRCPY (fstr, "default");
867	STRCPY (bstr, "default");
868	for (i = Color_Black; i <= Color_White; i++)	1020	for (i = Color_Black; i <= Color_White; i++)
869	if (PixColors[Color_fg] == PixColors[i])	1021	if (pix_colors[Color_fg] == pix_colors[i])
870	{	1022	{
871	sprintf (fstr, "%d", (i - Color_Black));	1023	sprintf (fstr, "%d", i - Color_Black);
872	break;	1024	break;
873	}	1025	}
		1026
874	for (i = Color_Black; i <= Color_White; i++)	1027	for (i = Color_Black; i <= Color_White; i++)
875	if (PixColors[Color_bg] == PixColors[i])	1028	if (pix_colors[Color_bg] == pix_colors[i])
876	{	1029	{
877	sprintf (bstr, "%d", (i - Color_Black));	1030	sprintf (bstr, "%d", i - Color_Black);
878	#ifdef XPM_BACKGROUND	1031	#if BG_IMAGE_FROM_FILE
879	xpmb = "default;";	1032	xpmb = "default;";
880	#endif	1033	#endif
881	break;	1034	break;
882	}	1035	}
883		1036
		1037	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
884	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1038	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
885		1039	return env_colorfgbg;
886	#ifndef NO_BRIGHTCOLOR
887	colorfgbg = DEFAULT_RSTYLE;
888	for (i = minCOLOR; i <= maxCOLOR; i++)
889	{
890	if (PixColors[Color_fg] == PixColors[i])
891	colorfgbg = SET_FGCOLOR (colorfgbg, i);
892	if (PixColors[Color_bg] == PixColors[i])
893	colorfgbg = SET_BGCOLOR (colorfgbg, i);
894	}
895	#endif
896	}	1040	}
897		1041
898	/*----------------------------------------------------------------------*/	1042	/*----------------------------------------------------------------------*/
899	/*
900	* Colour determination for low colour displays, routine from
901	* Hans de Goede <hans@highrise.nl>
902	*/
903		1043
904	int	1044	bool
905	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	1045	rxvt_term::set_color (rxvt_color &color, const char *name)
906	{	1046	{
907	if (!screen_in_out->set (display, colour))	1047	if (color.set (this, name))
908	{
909	rxvt_print_error ("can't allocate colour: %s", colour);
910	return false;
911	}
912
913	return true;	1048	return true;
		1049
		1050	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		1051	return false;
		1052	}
		1053
		1054	void
		1055	rxvt_term::alias_color (int dst, int src)
		1056	{
		1057	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
914	}	1058	}
915		1059
916	/* -------------------------------------------------------------------- *	1060	/* -------------------------------------------------------------------- *
917	* - WINDOW RESIZING - *	1061	* - WINDOW RESIZING - *
918	* -------------------------------------------------------------------- */	1062	* -------------------------------------------------------------------- */
919	void	1063	void
920	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1064	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
921	{	1065	{
922	int fix_screen;	1066	int fix_screen;
		1067	int old_width = szHint.width;
		1068	int old_height = szHint.height;
923		1069
924	#ifdef SMART_RESIZE
925	int old_width = szHint.width, old_height = szHint.height;
926	#endif
927
928	window_calc (width, height);	1070	window_calc (newwidth, newheight);
		1071
		1072	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1073
		1074	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1075	if (set_hint)
		1076	{
		1077	szHint.flags &= ~(PBaseSize | PResizeInc);
929	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1078	XSetWMNormalHints (dpy, parent, &szHint);
		1079	szHint.flags |= PBaseSize | PResizeInc;
		1080	}
		1081
930	if (!ignoreparent)	1082	if (!ignoreparent)
931	{	1083	{
932	#ifdef SMART_RESIZE	1084	#ifdef SMART_RESIZE
933	/*	1085	/*
934	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1086	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
937	int x, y, x1, y1;	1089	int x, y, x1, y1;
938	int dx, dy;	1090	int dx, dy;
939	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1091	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
940	Window unused_cr;	1092	Window unused_cr;
941		1093
942	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1094	XTranslateCoordinates (dpy, parent, display->root,
943	0, 0, &x, &y, &unused_cr);	1095	0, 0, &x, &y, &unused_cr);
944	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1096	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
945	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1097	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
946	/*	1098	/*
947	* if display->root isn't the parent window, a WM will probably have offset	1099	* if display->root isn't the parent window, a WM will probably have offset
948	* our position for handles and decorations. Counter it	1100	* our position for handles and decorations. Counter it
949	*/	1101	*/
…		…
951	{	1103	{
952	x -= x1;	1104	x -= x1;
953	y -= y1;	1105	y -= y1;
954	}	1106	}
955		1107
956	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1108	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
957	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1109	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
958	dx = old_width - szHint.width;	1110	dx = old_width - szHint.width;
959	dy = old_height - szHint.height;	1111	dy = old_height - szHint.height;
960		1112
961	/* Check position of the center of the window */	1113	/* Check position of the center of the window */
962	if (x < x1) /* left half */	1114	if (x < x1) /* left half */
963	dx = 0;	1115	dx = 0;
…		…
966	if (y < y1) /* top half */	1118	if (y < y1) /* top half */
967	dy = 0;	1119	dy = 0;
968	else if (y == y1) /* exact center */	1120	else if (y == y1) /* exact center */
969	dy /= 2;	1121	dy /= 2;
970		1122
971	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1123	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
972	szHint.width, szHint.height);	1124	szHint.width, szHint.height);
973	#else	1125	#else
974	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1126	XResizeWindow (dpy, parent, szHint.width, szHint.height);
975	szHint.height);
976	#endif	1127	#endif
977
978	}	1128	}
979		1129
980	fix_screen = (TermWin.ncol != prev_ncol	1130	if (set_hint)
981	|| TermWin.nrow != prev_nrow);	1131	XSetWMNormalHints (dpy, parent, &szHint);
982		1132
		1133	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1134
983	if (fix_screen || width != old_width || height != old_height)	1135	if (fix_screen || newwidth != old_width || newheight != old_height)
984	{	1136	{
985	if (scrollbar_visible ())	1137	if (scrollBar.state)
986	{	1138	scrollBar.resize ();
987	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
988	0, scrollbar_TotalWidth (), szHint.height);
989	resize_scrollbar ();
990	}
991		1139
992	if (menubar_visible ())	1140	XMoveResizeWindow (dpy, vt,
993	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1141	window_vt_x, window_vt_y,
994	0, TermWin_TotalWidth (), menuBar_TotalHeight ());	1142	vt_width, vt_height);
995		1143
996	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,	1144	HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
997	window_vt_y, TermWin_TotalWidth (),
998	TermWin_TotalHeight ());
999	#ifdef RXVT_GRAPHICS
1000	if (old_height)
1001	Gr_Resize (old_width - szHint.base_width,
1002	old_height - szHint.base_height);
1003	#endif
1004	scr_clear ();
1005	#ifdef XPM_BACKGROUND
1006	resize_pixmap ();
1007	#endif
1008		1145
		1146	#ifdef HAVE_BG_PIXMAP
		1147	if (bg_window_size_sensitive ())
		1148	update_background ();
		1149	#endif
1009	}	1150	}
1010		1151
1011	if (fix_screen || old_height == 0)	1152	if (fix_screen || old_height == 0)
1012	{
1013	int curr_screen = -1;
1014	int old_ncol = prev_ncol;
1015
1016	/* scr_reset only works on the primary screen */
1017	if (old_height) /* this is not the first time through */
1018	{
1019	unsigned int ncol = TermWin.ncol;
1020	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1021	curr_screen = scr_change_screen (PRIMARY);
1022	TermWin.ncol = ncol;
1023	}
1024
1025	scr_reset ();	1153	scr_reset ();
1026		1154
1027	if (curr_screen >= 0) /* this is not the first time through */
1028	{
1029	scr_change_screen (curr_screen);
1030	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1031	}
1032	}
1033
1034	old_width = szHint.width;
1035	old_height = szHint.height;
1036
1037	#ifdef USE_XIM	1155	#if USE_XIM
1038	IMSetStatusPosition ();	1156	im_set_position ();
1039	#endif	1157	#endif
1040	}	1158	}
1041		1159
1042	/*	1160	/*
1043	* Set the width/height of the vt window in characters. Units are pixels.	1161	* Set the width/height of the vt window in characters. Units are pixels.
1044	* good for toggling 80/132 columns	1162	* good for toggling 80/132 columns
1045	*/	1163	*/
1046	void	1164	void
1047	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1165	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1048	{	1166	{
1049	XWindowAttributes wattr;	1167	XWindowAttributes wattr;
1050		1168
1051	if (width == 0 || height == 0)	1169	if (newwidth == 0 || newheight == 0)
1052	{	1170	{
1053	XGetWindowAttributes (display->display, display->root, &wattr);	1171	XGetWindowAttributes (dpy, display->root, &wattr);
		1172
1054	if (width == 0)	1173	if (newwidth == 0)
1055	width = wattr.width - szHint.base_width;	1174	newwidth = wattr.width - szHint.base_width;
1056	if (height == 0)	1175	if (newheight == 0)
1057	height = wattr.height - szHint.base_height;	1176	newheight = wattr.height - szHint.base_height;
1058	}
1059	if (width != TermWin.width || height != TermWin.height)
1060	{	1177	}
		1178
		1179	if (newwidth != vt_width || newheight != vt_height)
		1180	{
1061	width += szHint.base_width;	1181	newwidth += szHint.base_width;
1062	height += szHint.base_height;	1182	newheight += szHint.base_height;
1063	resize_all_windows (width, height, 0);	1183	resize_all_windows (newwidth, newheight, 0);
1064	}	1184	}
1065	}	1185	}
1066		1186
1067	/* -------------------------------------------------------------------- *	1187	/* -------------------------------------------------------------------- *
1068	* - X INPUT METHOD ROUTINES - *	1188	* - X INPUT METHOD ROUTINES - *
1069	* -------------------------------------------------------------------- */	1189	* -------------------------------------------------------------------- */
1070	#ifdef USE_XIM	1190	#if USE_XIM
1071		1191
1072	void	1192	void
		1193	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1194	{
		1195	fg = pix_colors [Color_fg];
		1196	bg = pix_colors [Color_bg];
		1197	}
		1198
		1199	void
1073	rxvt_term::im_set_size (XRectangle *size)	1200	rxvt_term::im_set_size (XRectangle &size)
1074	{	1201	{
1075	size->x = TermWin.int_bwidth;	1202	// the int_bwidth terms make no sense to me
1076	size->y = TermWin.int_bwidth;	1203	size.x = int_bwidth;
1077	size->width = Width2Pixel (TermWin.ncol);	1204	size.y = int_bwidth;
1078	size->height = Height2Pixel (TermWin.nrow);	1205	size.width = Width2Pixel (ncol) + int_bwidth;
		1206	size.height = Height2Pixel (nrow) + int_bwidth;
1079	}	1207	}
1080		1208
1081	void	1209	void
1082	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1210	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1211	XRectangle &status_rect,
		1212	const XRectangle &needed_rect)
1083	{	1213	{
1084	*fg = PixColors[Color_fg];	1214	preedit_rect.x = needed_rect.width;
1085	*bg = PixColors[Color_bg];	1215	preedit_rect.y = 0;
		1216	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1217	preedit_rect.height = fheight;
		1218
		1219	status_rect.x = 0;
		1220	status_rect.y = 0;
		1221	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1222	status_rect.height = fheight;
1086	}	1223	}
1087		1224
1088	/* Checking whether input method is running. */	1225	/* Checking whether input method is running. */
1089	bool	1226	bool
1090	rxvt_term::IMisRunning ()	1227	rxvt_term::im_is_running ()
1091	{	1228	{
1092	char *p;	1229	Atom atom;
1093	Atom atom;	1230	Window win;
1094	Window win;
1095	char server[IMBUFSIZ];	1231	char server[IMBUFSIZ];
1096		1232
1097	/* get current locale modifier */	1233	/* get current locale modifier */
1098	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1234	if (char *p = XSetLocaleModifiers (0))
1099	{	1235	{
1100	STRCPY (server, "@server=");	1236	strcpy (server, "@server=");
1101	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1237	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1238
1102	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1239	if (p = strchr (server + 1, '@')) /* first one only */
1103	*p = '\0';	1240	*p = '\0';
1104		1241
1105	atom = XInternAtom (display->display, server, False);	1242	atom = XInternAtom (dpy, server, False);
1106	win = XGetSelectionOwner (display->display, atom);	1243	win = XGetSelectionOwner (dpy, atom);
		1244
1107	if (win != None)	1245	if (win != None)
1108	return True;	1246	return true;
1109	}	1247	}
		1248
1110	return False;	1249	return false;
1111	}	1250	}
1112		1251
1113	void	1252	void
1114	rxvt_term::IMSendSpot ()	1253	rxvt_term::im_send_spot ()
1115	{	1254	{
1116	XPoint spot;	1255	XPoint nspot;
1117	XVaNestedList preedit_attr;	1256	XVaNestedList preedit_attr;
1118		1257
1119	if (Input_Context == NULL	1258	if (!Input_Context
1120	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1259	|| !focus
1121	|| ! (event_type == KeyPress	1260	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1122	|| event_type == Expose
1123	|| event_type == NoExpose
1124	|| event_type == SelectionNotify
1125	|| event_type == ButtonRelease || event_type == FocusIn)
1126	|| !IMisRunning ())
1127	return;	1261	return;
1128		1262
1129	im_set_position (&spot);	1263	im_set_position (nspot);
		1264
		1265	if (nspot.x == spot.x && nspot.y == spot.y)
		1266	return;
		1267
		1268	spot = nspot;
1130		1269
1131	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1270	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1132	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1271	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1133	XFree (preedit_attr);	1272	XFree (preedit_attr);
1134	}	1273	}
1135		1274
1136	void	1275	void
1137	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1138	XRectangle * needed_rect)
1139	{
1140	int mbh, vtx = 0;
1141
1142	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1143	vtx = scrollbar_TotalWidth ();
1144
1145	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1146	mbh -= TermWin.lineSpace;
1147
1148	preedit_rect->x = needed_rect->width + vtx;
1149	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1150
1151	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1152	preedit_rect->height = Height2Pixel (1);
1153
1154	status_rect->x = vtx;
1155	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1156
1157	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1158	status_rect->height = Height2Pixel (1);
1159	}
1160
1161	void
1162	rxvt_term::im_destroy ()	1276	rxvt_term::im_destroy ()
1163	{	1277	{
1164	if (Input_Context)
1165	{
1166	XDestroyIC (Input_Context);
1167	Input_Context = NULL;
1168	}
1169
1170	if (input_method)	1278	if (input_method)
1171	{	1279	{
		1280	if (Input_Context && input_method->xim)
		1281	XDestroyIC (Input_Context);
		1282
1172	display->put_xim (input_method);	1283	display->put_xim (input_method);
1173	input_method = 0;	1284	input_method = 0;
1174	}	1285	}
		1286
		1287	Input_Context = 0;
1175	}	1288	}
		1289
		1290	#ifdef ENABLE_XIM_ONTHESPOT
		1291
		1292	static void
		1293	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1294	{
		1295	((rxvt_term *)client_data)->make_current ();
		1296	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1297	}
		1298
		1299	static void
		1300	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1301	{
		1302	((rxvt_term *)client_data)->make_current ();
		1303	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1304	}
		1305
		1306	static void
		1307	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1308	{
		1309	rxvt_term *term = (rxvt_term *)client_data;
		1310	XIMText *text = call_data->text;
		1311
		1312	term->make_current ();
		1313
		1314	if (text)
		1315	{
		1316	wchar_t *str;
		1317
		1318	if (!text->encoding_is_wchar && text->string.multi_byte)
		1319	{
		1320	// of course, X makes it ugly again
		1321	if (term->rs[Rs_imLocale])
		1322	SET_LOCALE (term->rs[Rs_imLocale]);
		1323
		1324	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1325	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1326
		1327	if (term->rs[Rs_imLocale])
		1328	SET_LOCALE (term->locale);
		1329	}
		1330	else
		1331	str = text->string.wide_char;
		1332
		1333	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1334	DT_INT, call_data->caret,
		1335	DT_INT, call_data->chg_first,
		1336	DT_INT, call_data->chg_length,
		1337	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1338	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1339	DT_END));
		1340	}
		1341	else
		1342	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1343	DT_INT, call_data->caret,
		1344	DT_INT, call_data->chg_first,
		1345	DT_INT, call_data->chg_length,
		1346	DT_END));
		1347	}
		1348
		1349	#if 0
		1350	static void
		1351	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1352	{
		1353	((rxvt_term *)client_data)->make_current ();
		1354	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1355	DT_INT, call_data->position,
		1356	DT_INT, call_data->direction,
		1357	DT_INT, call_data->style,
		1358	DT_END));
		1359	}
		1360	#endif
		1361
		1362	#endif
1176		1363
1177	/*	1364	/*
1178	* Try to open a XIM with the current modifiers, then see if we can	1365	* Try to open a XIM with the current modifiers, then see if we can
1179	* open a suitable preedit type	1366	* open a suitable preedit type
1180	*/	1367	*/
1181	bool	1368	bool
1182	rxvt_term::IM_get_IC (const char *modifiers)	1369	rxvt_term::im_get_ic (const char *modifiers)
1183	{	1370	{
1184	int i, j, found;	1371	int i, j, found;
1185	XIM xim;	1372	XIM xim;
1186	XPoint spot;	1373	XPoint spot;
1187	XRectangle rect, status_rect, needed_rect;	1374	XRectangle rect, status_rect, needed_rect;
1188	unsigned long fg, bg;	1375	unsigned long fg, bg;
1189	const char *p;	1376	const char *p;
1190	char **s;	1377	char **s;
1191	XIMStyles *xim_styles;	1378	XIMStyles *xim_styles;
1192	XVaNestedList preedit_attr, status_attr;
1193		1379
		1380	set_environ (env);
		1381
1194	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1382	if (!((p = XSetLocaleModifiers (modifiers)) && *p))
1195	return false;	1383	return false;
1196		1384
1197	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1198	input_method = display->get_xim (locale, modifiers);	1385	input_method = display->get_xim (locale, modifiers);
1199	if (input_method == NULL)	1386	if (input_method == NULL)
1200	return false;	1387	return false;
1201		1388
1202	xim = input_method->xim;	1389	xim = input_method->xim;
		1390	spot.x = spot.y = -1;
1203		1391
1204	xim_styles = NULL;	1392	xim_styles = NULL;
1205	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1393	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1206	|| !xim_styles || !xim_styles->count_styles)	1394	|| !xim_styles || !xim_styles->count_styles)
1207	{	1395	{
1208	display->put_xim (input_method);	1396	im_destroy ();
1209	return false;	1397	return false;
1210	}	1398	}
1211		1399
1212	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1400	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1213	s = rxvt_splitcommastring (p);	1401
		1402	for (int pi = 0; pi < 2; pi++)
		1403	{
		1404	p = pet[pi];
		1405
		1406	if (!p)
		1407	continue;
		1408
		1409	s = rxvt_strsplit (',', p);
		1410
1214	for (i = found = 0; !found && s[i]; i++)	1411	for (i = found = 0; !found && s[i]; i++)
1215	{	1412	{
1216	if (!STRCMP (s[i], "OverTheSpot"))	1413	if (!strcmp (s[i], "OverTheSpot"))
1217	input_style = (XIMPreeditPosition | XIMStatusNothing);	1414	input_style = XIMPreeditPosition | XIMStatusNothing;
1218	else if (!STRCMP (s[i], "OffTheSpot"))	1415	else if (!strcmp (s[i], "OffTheSpot"))
1219	input_style = (XIMPreeditArea | XIMStatusArea);	1416	input_style = XIMPreeditArea | XIMStatusArea;
1220	else if (!STRCMP (s[i], "Root"))	1417	else if (!strcmp (s[i], "Root"))
1221	input_style = (XIMPreeditNothing | XIMStatusNothing);	1418	input_style = XIMPreeditNothing | XIMStatusNothing;
		1419	else if (!strcmp (s[i], "None"))
		1420	input_style = XIMPreeditNone | XIMStatusNone;
		1421	#ifdef ENABLE_XIM_ONTHESPOT
		1422	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1423	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1424	#endif
		1425	else
		1426	input_style = XIMPreeditNothing | XIMStatusNothing;
1222		1427
1223	for (j = 0; j < xim_styles->count_styles; j++)	1428	for (j = 0; j < xim_styles->count_styles; j++)
1224	if (input_style == xim_styles->supported_styles[j])	1429	if (input_style == xim_styles->supported_styles[j])
1225	{	1430	{
		1431	rxvt_free_strsplit (s);
		1432
1226	found = 1;	1433	found = 1;
1227	break;	1434	goto foundpet;
		1435	}
		1436
1228	}	1437	}
1229	}
1230		1438
1231	for (i = 0; s[i]; i++)	1439	rxvt_free_strsplit (s);
1232	free (s[i]);	1440	}
1233		1441
1234	free (s);	1442	foundpet:
		1443
1235	XFree (xim_styles);	1444	XFree (xim_styles);
1236		1445
1237	if (!found)	1446	if (!found)
1238	{	1447	{
1239	display->put_xim (input_method);	1448	im_destroy ();
1240	return false;	1449	return false;
1241	}	1450	}
1242		1451
1243	preedit_attr = status_attr = NULL;	1452	XFontSet fs = 0;
		1453	XVaNestedList preedit_attr = 0, status_attr = 0;
		1454
		1455	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1456	{
		1457	// fake us a font-set, please
		1458	char **missing_charset_list;
		1459	int missing_charset_count;
		1460	char *def_string;
		1461	char pat[512];
		1462
		1463	sprintf (pat,
		1464	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1465	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1466	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1467	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1468	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1469	"*",
		1470	fheight,
		1471	fheight + 1, fheight - 1,
		1472	fheight - 2, fheight + 2);
		1473
		1474	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1475	&missing_charset_list, &missing_charset_count, &def_string);
		1476
		1477	if (missing_charset_list)
		1478	XFreeStringList (missing_charset_list);
		1479
		1480	if (!fs)
		1481	{
		1482	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1483	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1484	}
		1485	}
1244		1486
1245	if (input_style & XIMPreeditPosition)	1487	if (input_style & XIMPreeditPosition)
1246	{	1488	{
1247	im_set_size (&rect);	1489	im_set_size (rect);
1248	im_set_position (&spot);	1490	im_set_position (spot);
1249	im_set_color (&fg, &bg);	1491	im_set_color (fg, bg);
1250		1492
1251	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1493	preedit_attr = XVaCreateNestedList (0,
		1494	XNForeground, fg,
		1495	XNBackground, bg,
		1496	XNArea, &rect,
1252	XNSpotLocation, &spot,	1497	XNSpotLocation, &spot,
1253	XNForeground, fg, XNBackground, bg,
1254	//XNFontSet, TermWin.fontset,	1498	XNFontSet, fs,
1255	NULL);	1499	NULL);
1256	}	1500	}
1257	else if (input_style & XIMPreeditArea)	1501	else if (input_style & XIMPreeditArea)
1258	{	1502	{
1259	im_set_color (&fg, &bg);	1503	im_set_color (fg, bg);
1260		1504
1261	/*	1505	/*
1262	* The necessary width of preedit area is unknown	1506	* The necessary width of preedit area is unknown
1263	* until create input context.	1507	* until create input context.
1264	*/	1508	*/
1265	needed_rect.width = 0;	1509	needed_rect.width = 0;
1266
1267	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1510	im_set_preedit_area (rect, status_rect, needed_rect);
1268		1511
1269	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1512	preedit_attr = XVaCreateNestedList (0,
		1513	XNForeground, fg,
1270	XNForeground, fg, XNBackground, bg,	1514	XNBackground, bg,
		1515	XNArea, &rect,
		1516	XNFontSet, fs,
		1517	NULL);
		1518	status_attr = XVaCreateNestedList (0,
		1519	XNForeground, fg,
		1520	XNBackground, bg,
		1521	XNArea, &status_rect,
1271	//XNFontSet, TermWin.fontset,	1522	XNFontSet, fs,
1272	NULL);	1523	NULL);
1273	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1524	}
1274	XNForeground, fg, XNBackground, bg,	1525	#if ENABLE_XIM_ONTHESPOT
1275	//XNFontSet, TermWin.fontset,	1526	else if (input_style & XIMPreeditCallbacks)
		1527	{
		1528	XIMCallback xcb[4];
		1529
		1530	im_set_position (spot);
		1531
		1532	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1533	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1534	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1535	# if 0
		1536	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1537	# endif
		1538
		1539	preedit_attr = XVaCreateNestedList (0,
		1540	XNSpotLocation, &spot,
		1541	XNPreeditStartCallback, &xcb[0],
		1542	XNPreeditDoneCallback , &xcb[1],
		1543	XNPreeditDrawCallback , &xcb[2],
		1544	# if 0
		1545	XNPreeditCaretCallback, &xcb[3],
		1546	# endif
1276	NULL);	1547	NULL);
1277	}	1548	}
		1549	#endif
1278		1550
1279	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1551	Input_Context = XCreateIC (xim,
		1552	XNInputStyle, input_style,
1280	XNClientWindow, TermWin.parent[0],	1553	XNClientWindow, vt,
1281	XNFocusWindow, TermWin.parent[0],	1554	XNFocusWindow, parent,
1282	preedit_attr ? XNPreeditAttributes : NULL,	1555	preedit_attr ? XNPreeditAttributes : NULL,
1283	preedit_attr,	1556	preedit_attr,
1284	status_attr ? XNStatusAttributes : NULL,	1557	status_attr ? XNStatusAttributes : NULL,
1285	status_attr, NULL);	1558	status_attr, NULL);
		1559
1286	if (preedit_attr) XFree (preedit_attr);	1560	if (preedit_attr) XFree (preedit_attr);
1287	if (status_attr) XFree (status_attr);	1561	if (status_attr) XFree (status_attr);
		1562	if (fs) XFreeFontSet (dpy, fs);
1288		1563
1289	if (Input_Context == NULL)	1564	if (Input_Context == NULL)
1290	{	1565	{
1291	rxvt_print_error ("failed to create input context");	1566	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1292	display->put_xim (input_method);	1567	im_destroy ();
1293	return false;	1568	return false;
1294	}	1569	}
1295		1570
1296	if (input_style & XIMPreeditArea)	1571	#if 0
1297	IMSetStatusPosition ();	1572	// unfortunately, only the focus window is used by XIM, hard to fix
		1573	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1574	vt_select_input ();
		1575	#endif
1298		1576
1299	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));	1577	im_set_position ();
		1578
1300	return true;	1579	return true;
1301	}	1580	}
1302		1581
1303	void	1582	void
1304	rxvt_term::im_cb ()	1583	rxvt_term::im_cb ()
1305	{	1584	{
1306	int i, found, had_im;	1585	int i;
1307	const char *p;	1586	const char *p;
1308	char **s;	1587	char **s;
1309	char buf[IMBUFSIZ];	1588	char buf[IMBUFSIZ];
1310		1589
		1590	make_current ();
		1591
1311	im_destroy ();	1592	im_destroy ();
1312		1593
1313	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1314	if (Input_Context)	1594	if (Input_Context)
1315	return;	1595	return;
1316		1596
1317	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1318	if (rs[Rs_imLocale])	1597	if (rs[Rs_imLocale])
1319	setlocale (LC_CTYPE, rs[Rs_imLocale]);	1598	SET_LOCALE (rs[Rs_imLocale]);
1320	#endif
1321		1599
1322	p = rs[Rs_inputMethod];	1600	p = rs[Rs_inputMethod];
1323	if (p && *p)	1601	if (p && *p)
1324	{	1602	{
1325	bool found = false;	1603	bool found = false;
1326		1604
1327	s = rxvt_splitcommastring (p);	1605	s = rxvt_strsplit (',', p);
		1606
1328	for (i = 0; s[i]; i++)	1607	for (i = 0; s[i]; i++)
1329	{	1608	{
1330	if (*s[i])	1609	if (*s[i])
1331	{	1610	{
1332	STRCPY (buf, "@im=");	1611	strcpy (buf, "@im=");
1333	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1612	strncat (buf, s[i], IMBUFSIZ - 5);
1334	if (IM_get_IC (buf))	1613	if (im_get_ic (buf))
1335	{	1614	{
1336	found = true;	1615	found = true;
1337	break;	1616	break;
1338	}	1617	}
1339	}	1618	}
1340	}	1619	}
1341	for (i = 0; s[i]; i++)	1620
1342	free (s[i]);	1621	rxvt_free_strsplit (s);
1343	free (s);
1344		1622
1345	if (found)	1623	if (found)
1346	goto done;	1624	goto done;
1347	}	1625	}
1348		1626
1349	/* try with XMODIFIERS env. var. */	1627	/* try with XMODIFIERS env. var. */
1350	if (IM_get_IC (""))	1628	if (im_get_ic (""))
1351	goto done;	1629	goto done;
1352		1630
1353	/* try with no modifiers base IF the user didn't specify an IM */	1631	/* try with no modifiers base IF the user didn't specify an IM */
1354	if (IM_get_IC ("@im=none"))	1632	if (im_get_ic ("@im=none"))
1355	goto done;	1633	goto done;
1356		1634
1357	done:	1635	done:
1358	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1359	if (rs[Rs_imLocale])	1636	if (rs[Rs_imLocale])
1360	setlocale (LC_CTYPE, locale);	1637	SET_LOCALE (locale);
1361	#endif
1362	}	1638	}
1363		1639
1364	void	1640	void
1365	rxvt_term::IMSetStatusPosition ()	1641	rxvt_term::im_set_position ()
1366	{	1642	{
1367	XRectangle preedit_rect, status_rect, *needed_rect;	1643	XRectangle preedit_rect, status_rect, *needed_rect;
1368	XVaNestedList preedit_attr, status_attr;	1644	XVaNestedList preedit_attr, status_attr;
1369		1645
1370	if (Input_Context == NULL	1646	if (!Input_Context
1371	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1647	|| !focus
		1648	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1372	|| !IMisRunning ())	1649	|| !im_is_running ())
1373	return;	1650	return;
1374		1651
		1652	if (input_style & XIMPreeditPosition)
		1653	{
		1654	im_set_size (preedit_rect);
		1655	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1656
		1657	XSetICValues (Input_Context,
		1658	XNPreeditAttributes, preedit_attr, NULL);
		1659	}
		1660	else
		1661	{
1375	/* Getting the necessary width of preedit area */	1662	/* Getting the necessary width of preedit area */
1376	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1663	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1377	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1664	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1378	XFree (status_attr);	1665	XFree (status_attr);
1379		1666
1380	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1667	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1668	XFree (needed_rect);
1381		1669
1382	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1670	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1383	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1671	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1384		1672
1385	XSetICValues (Input_Context,	1673	XSetICValues (Input_Context,
1386	XNPreeditAttributes, preedit_attr,	1674	XNPreeditAttributes, preedit_attr,
1387	XNStatusAttributes, status_attr, NULL);	1675	XNStatusAttributes, status_attr,
		1676	NULL);
1388		1677
		1678	XFree (status_attr);
		1679	}
		1680
1389	XFree (preedit_attr);	1681	XFree (preedit_attr);
1390	XFree (status_attr);
1391	}	1682	}
1392	#endif /* USE_XIM */	1683	#endif /* USE_XIM */
1393		1684
1394	/*----------------------------------------------------------------------*/	1685	void
1395	rxvt_t rxvt_current_term;	1686	rxvt_term::get_window_origin (int &x, int &y)
		1687	{
		1688	Window cr;
		1689	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1690	}
		1691
		1692	#ifdef HAVE_BG_PIXMAP
		1693
		1694	void
		1695	rxvt_term::update_background ()
		1696	{
		1697	if (update_background_ev.is_active ())
		1698	return;
		1699
		1700	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1701
		1702	if (to_wait <= 0.)
		1703	bg_render ();
		1704	else
		1705	update_background_ev.start (to_wait);
		1706	}
		1707
		1708	void
		1709	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1710	{
		1711	make_current ();
		1712
		1713	update_background_ev.stop ();
		1714	bg_render ();
		1715	refresh_check ();
		1716	}
		1717
		1718	#endif /* HAVE_BG_PIXMAP */
1396		1719
1397	/*----------------------- end-of-file (C source) -----------------------*/	1720	/*----------------------- end-of-file (C source) -----------------------*/

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