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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.14 by pcg, Thu Dec 18 00:29:29 2003 UTC vs.
Revision 1.249 by sasha, Wed Sep 12 20:29:24 2007 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.14 2003/12/18 00:29:29 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 HAVE_BG_PIXMAP
		157	update_background_ev(this, &rxvt_term::update_background_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),
72	check_ev (this, &rxvt_term::check_cb),	192	pty_ev (this, &rxvt_term::pty_cb),
73	incr_ev (this, &rxvt_term::incr_cb)	193	incr_ev (this, &rxvt_term::incr_cb)
74	{	194	{
75	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;
76	}	213	}
77		214
78	rxvt_term::~rxvt_term ()	215	rxvt_term::~rxvt_term ()
79	{	216	{
		217	termlist.erase (find (termlist.begin (), termlist.end(), this));
		218
		219	emergency_cleanup ();
		220
		221	#if ENABLE_STYLES
		222	for (int i = RS_styleCount; --i; )
		223	if (fontset[i] != fontset[0])
		224	delete fontset[i];
		225	#endif
		226	delete fontset[0];
		227
		228	if (display)
		229	{
		230	selection_clear ();
		231
		232	#ifdef USE_XIM
		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 ();
		276	}
		277
		278	delete [] pix_colors_focused;
		279	#if OFF_FOCUS_FADING
		280	delete [] pix_colors_unfocused;
		281	#endif
		282
		283	displays.put (display);
		284
80	scr_release ();	285	scr_release ();
81		286
82	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	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);
83	free (locale);	295	free (locale);
84	#endif	296	free (v_buffer);
85	#ifndef NO_SETOWNER_TTYDEV	297	free (incr_buf);
86	rxvt_privileged_ttydev (this, RESTORE);
87	#endif
88	#ifdef UTMP_SUPPORT
89	rxvt_privileged_utmp (this, RESTORE);
90	#endif
91	#ifdef USE_XIM
92	if (Input_Context != NULL)
93	{
94	XDestroyIC (Input_Context);
95	Input_Context = NULL;
96	}
97	#endif
98		298
99	if (cmd_fd >= 0)	299	delete envv;
100	close (cmd_fd);	300	delete argv;
101		301
102	if (Xfd >= 0)	302	#ifdef KEYSYM_RESOURCE
103	XCloseDisplay (Xdisplay);	303	delete keyboard;
		304	#endif
		305	}
104		306
105	delete PixColors;	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 ();
106	}	317	}
107		318
108	void	319	void
109	rxvt_term::destroy ()	320	rxvt_term::destroy ()
110	{	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
111	check_ev.stop ();	347	check_ev.stop ();
112	pty_ev.stop ();	348	pty_ev.stop ();
113	x_ev.stop ();
114	#ifdef CURSOR_BLINK	349	#ifdef CURSOR_BLINK
		350	cursor_blink_ev.stop ();
		351	#endif
		352	#ifdef TEXT_BLINK
115	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 ();
116	#endif	360	#endif
117	#ifdef POINTER_BLANK	361	#ifdef POINTER_BLANK
118	pointer_ev.stop ();	362	pointer_ev.stop ();
119	#endif	363	#endif
120		364
…		…
122	}	366	}
123		367
124	void	368	void
125	rxvt_term::destroy_cb (time_watcher &w)	369	rxvt_term::destroy_cb (time_watcher &w)
126	{	370	{
127	SET_R (this);	371	make_current ();
128		372
129	delete this;	373	delete this;
130	}
131
132	/*----------------------------------------------------------------------*/
133	/* rxvt_init() */
134	/* LIBPROTO */
135	rxvt_t
136	rxvt_init (int argc, const char *const *argv)
137	{
138	SET_R (new rxvt_term);
139	dR;
140
141	if (!R->init_vars () || !R->init (argc, argv))
142	{
143	delete R;
144	return NULL;
145	}
146
147	return R;
148	}
149
150	/* EXTPROTO */
151	void
152	rxvt_init_signals ()
153	{
154	/* install exit handler for cleanup */
155	#if 0
156	#ifdef HAVE_ATEXIT
157	atexit(rxvt_clean_exit);
158	#else
159	#endif
160	#endif
161
162	struct sigaction sa;
163
164	sigfillset (&sa.sa_mask);
165	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
166	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
167	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
168	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
169	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
170	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
171	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
172
173	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
174	/* signal (SIGURG, SIG_DFL); */
175
176	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
177	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
178	}
179
180	bool
181	rxvt_term::init (int argc, const char *const *argv)
182	{
183	dR;//TODO (scrollbar, setidle)
184
185	/*
186	* Save and then give up any super-user privileges
187	* If we need privileges in any area then we must specifically request it.
188	* We should only need to be root in these cases:
189	* 1. write utmp entries on some systems
190	* 2. chown tty on some systems
191	*/
192	rxvt_privileges (this, SAVE);
193	rxvt_privileges (this, IGNORE);
194
195	rxvt_init_secondary (this);
196
197	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
198
199	#if (MENUBAR_MAX)
200	rxvt_menubar_read (this, rs[Rs_menu]);
201	#endif
202	#ifdef HAVE_SCROLLBARS
203	if (Options & Opt_scrollBar)
204	scrollbar_setIdle (); /* set existence for size calculations */
205	#endif
206
207	rxvt_Create_Windows (this, argc, argv);
208
209	rxvt_init_xlocale (this);
210
211	scr_reset (); /* initialize screen */
212	#ifdef RXVT_GRAPHICS
213	rxvt_Gr_reset (this); /* reset graphics */
214	#endif
215
216	#if 0
217	#ifdef DEBUG_X
218	XSynchronize(Xdisplay, True);
219	#endif
220	#endif
221
222	#ifdef HAVE_SCROLLBARS
223	if (Options & Opt_scrollBar)
224	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
225	#endif
226	#if (MENUBAR_MAX)
227	if (menubar_visible(r))
228	XMapWindow (Xdisplay, menuBar.win);
229	#endif
230	#ifdef TRANSPARENT
231	if (Options & Opt_transparent)
232	{
233	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
234	rxvt_check_our_parents (this);
235	}
236	#endif
237	XMapWindow (Xdisplay, TermWin.vt);
238	XMapWindow (Xdisplay, TermWin.parent[0]);
239
240	rxvt_init_env (this);
241	rxvt_init_command (this, cmd_argv);
242
243	x_ev.start (Xfd, EVENT_READ);
244	pty_ev.start (cmd_fd, EVENT_READ);
245
246	check_ev.start ();
247
248	process_x_events ();
249
250	return true;
251	}
252
253	/* ------------------------------------------------------------------------- *
254	* SIGNAL HANDLING & EXIT HANDLER *
255	* ------------------------------------------------------------------------- */
256	/*
257	* Catch a SIGCHLD signal and exit if the direct child has died
258	*/
259	/* ARGSUSED */
260	/* EXTPROTO */
261	RETSIGTYPE
262	rxvt_Child_signal(int sig __attribute__ ((unused)))
263	{
264	int pid, save_errno = errno;
265	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
266	;
267	errno = save_errno;
268
269	#if 0
270	if (pid == R->cmd_pid)
271	exit (EXIT_SUCCESS);
272	#endif
273	}
274
275	/*
276	* Catch a fatal signal and tidy up before quitting
277	*/
278	/* EXTPROTO */
279	RETSIGTYPE
280	rxvt_Exit_signal(int sig)
281	{
282	signal(sig, SIG_DFL);
283	#ifdef DEBUG_CMD
284	rxvt_print_error("signal %d", sig);
285	#endif
286	rxvt_clean_exit();
287	kill(getpid(), sig);
288	}
289
290	/* ARGSUSED */
291	/* INTPROTO */
292	int
293	rxvt_xerror_handler(const Display * display
294	__attribute__ ((unused)), const XErrorEvent * event)
295	{
296	dR;
297
298	if (R->allowedxerror == -1)
299	R->allowedxerror = event->error_code;
300	else
301	{
302	rxvt_print_error("XError: Request: %d . %d, Error: %d",
303	event->request_code, event->minor_code,
304	event->error_code);
305
306	R->destroy ();
307	}
308
309	return 0;
310	}	374	}
311		375
312	/*----------------------------------------------------------------------*/	376	/*----------------------------------------------------------------------*/
313	/*	377	/*
314	* Exit gracefully, clearing the utmp entry and restoring tty attributes	378	* Exit gracefully, clearing the utmp entry and restoring tty attributes
315	* 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
316	*/	380	*/
317	/* 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	bgPixmap.set_target (this);
		512
		513	#ifdef ENABLE_TRANSPARENCY
		514	if (option (Opt_transparent))
		515	{
		516	bgPixmap.set_transparent ();
		517	#ifdef HAVE_AFTERIMAGE
		518	if (rs [Rs_blurradius])
		519	bgPixmap.set_blur_radius (rs [Rs_blurradius]);
		520	#endif
		521	if (ISSET_PIXCOLOR (Color_tint))
		522	bgPixmap.set_tint (pix_colors_focused [Color_tint]);
		523	if (rs [Rs_shade])
		524	bgPixmap.set_shade (rs [Rs_shade]);
		525
		526	bgPixmap.set_root_pixmap ();
		527	XSelectInput (dpy, display->root, PropertyChangeMask);
		528	rootwin_ev.start (display, display->root);
		529	}
		530	#endif
		531
		532	#ifdef XPM_BACKGROUND
		533	if (rs[Rs_backgroundPixmap] != NULL)
		534	{
		535	const char *p = rs[Rs_backgroundPixmap];
		536
		537	if ((p = strchr (p, ';')) != NULL)
		538	{
		539	p++;
		540	bgPixmap.set_geometry (p);
		541	}
		542	else
		543	bgPixmap.set_defaultGeometry ();
		544
		545	if (bgPixmap.set_file (rs[Rs_backgroundPixmap]))
		546	if (!bgPixmap.window_position_sensitive ())
		547	update_background ();
		548	}
		549	#endif
		550	}
		551	#endif
		552
		553	#if ENABLE_PERL
		554	rootwin_ev.start (display, display->root);
		555	#endif
		556
		557	set_colorfgbg ();
		558
		559	init_command (cmd_argv);
		560
		561	free (cmd_argv);
		562
		563	if (pty->pty >= 0)
		564	pty_ev.start (pty->pty, EVENT_READ);
		565
		566	check_ev.start ();
		567
		568	HOOK_INVOKE ((this, HOOK_START, DT_END));
		569
		570	#if ENABLE_XEMBED
		571	if (rs[Rs_embed])
		572	{
		573	long info[2] = { 0, XEMBED_MAPPED };
		574
		575	XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
		576	32, PropModeReplace, (unsigned char *)&info, 2);
		577	}
		578	#endif
		579
		580	XMapWindow (dpy, vt);
		581	XMapWindow (dpy, parent[0]);
		582
		583	return true;
		584	}
		585
		586	static struct sig_handlers
		587	{
		588	sig_watcher sw_term, sw_int;
		589
		590	/*
		591	* Catch a fatal signal and tidy up before quitting
		592	*/
318	void	593	void
319	rxvt_clean_exit ()	594	sig_term (sig_watcher &w)
320	{	595	{
321	dR;	596	rxvt_emergency_cleanup ();
		597	signal (w.signum, SIG_DFL);
		598	kill (getpid (), w.signum);
		599	}
322		600
323	R->destroy ();	601	sig_handlers ()
		602	: sw_term (this, &sig_handlers::sig_term),
		603	sw_int (this, &sig_handlers::sig_term)
		604	{
		605	}
		606	} sig_handlers;
		607
		608	char **rxvt_environ; // startup environment
		609
		610	void
		611	rxvt_init ()
		612	{
		613	ptytty::init ();
		614
		615	rxvt_environ = environ;
		616
		617	signal (SIGHUP, SIG_IGN);
		618	signal (SIGPIPE, SIG_IGN);
		619
		620	sig_handlers.sw_term.start (SIGTERM);
		621	sig_handlers.sw_int.start (SIGINT);
		622
		623	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		624	/* signal (SIGURG, SIG_DFL); */
		625
		626	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		627	// TODO: handle this with exceptions and tolerate the memory loss
		628	XSetIOErrorHandler (rxvt_xioerror_handler);
		629
		630	XrmInitialize ();
324	}	631	}
325		632
326	/* ------------------------------------------------------------------------- *	633	/* ------------------------------------------------------------------------- *
327	* MEMORY ALLOCATION WRAPPERS *	634	* MEMORY ALLOCATION WRAPPERS *
328	* ------------------------------------------------------------------------- */	635	* ------------------------------------------------------------------------- */
329	/* EXTPROTO */	636	void *
330	void *
331	rxvt_malloc(size_t size)	637	rxvt_malloc (size_t size)
332	{	638	{
333	void *p;
334
335	p = malloc(size);	639	void *p = malloc (size);
		640
336	if (p)	641	if (!p)
		642	rxvt_fatal ("memory allocation failure. aborting.\n");
		643
337	return p;	644	return p;
338
339	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
340	rxvt_clean_exit();
341	exit(EXIT_FAILURE);
342	/* NOTREACHED */
343	}	645	}
344		646
345	/* EXTPROTO */	647	void *
346	void *
347	rxvt_calloc(size_t number, size_t size)	648	rxvt_calloc (size_t number, size_t size)
348	{	649	{
349	void *p;
350
351	p = calloc(number, size);	650	void *p = calloc (number, size);
		651
352	if (p)	652	if (!p)
		653	rxvt_fatal ("memory allocation failure. aborting.\n");
		654
353	return p;	655	return p;
354
355	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
356	rxvt_clean_exit();
357	exit(EXIT_FAILURE);
358	/* NOTREACHED */
359	}	656	}
360		657
361	/* EXTPROTO */	658	void *
362	void *
363	rxvt_realloc(void *ptr, size_t size)	659	rxvt_realloc (void *ptr, size_t size)
364	{	660	{
365	void *p;
366
367	if (ptr)
368	p = realloc(ptr, size);	661	void *p = realloc (ptr, size);
369	else	662
370	p = malloc(size);
371	if (p)	663	if (!p)
		664	rxvt_fatal ("memory allocation failure. aborting.\n");
		665
372	return p;	666	return p;
373
374	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
375	rxvt_clean_exit();
376	exit(EXIT_FAILURE);
377	/* NOTREACHED */
378	}	667	}
379
380	/* ------------------------------------------------------------------------- *
381	* PRIVILEGED OPERATIONS *
382	* ------------------------------------------------------------------------- */
383	/* take care of suid/sgid super-user (root) privileges */
384	/* INTPROTO */
385	void
386	rxvt_privileges(pR_ int mode)
387	{
388	#if ! defined(__CYGWIN32__)
389	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
390	/* setreuid() is the poor man's setuid(), seteuid() */
391	# define seteuid(a) setreuid(-1, (a))
392	# define setegid(a) setregid(-1, (a))
393	# define HAVE_SETEUID
394	# endif
395	# ifdef HAVE_SETEUID
396	switch (mode) {
397	case IGNORE:
398	/*
399	* change effective uid/gid - not real uid/gid - so we can switch
400	* back to root later, as required
401	*/
402	seteuid(getuid());
403	setegid(getgid());
404	break;
405	case SAVE:
406	R->euid = geteuid();
407	R->egid = getegid();
408	break;
409	case RESTORE:
410	seteuid(R->euid);
411	setegid(R->egid);
412	break;
413	}
414	# else
415	switch (mode) {
416	case IGNORE:
417	setuid(getuid());
418	setgid(getgid());
419	/* FALLTHROUGH */
420	case SAVE:
421	/* FALLTHROUGH */
422	case RESTORE:
423	break;
424	}
425	# endif
426	#endif
427	}
428
429	#ifdef UTMP_SUPPORT
430	/* EXTPROTO */
431	void
432	rxvt_privileged_utmp(pR_ char action)
433	{
434	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
435	action, R->next_utmp_action, getpid()));
436	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
437	|| (R->Options & Opt_utmpInhibit)
438	|| R->ttydev == NULL || *R->ttydev == '\0')
439	return;
440
441	rxvt_privileges(aR_ RESTORE);
442	if (action == SAVE) {
443	R->next_utmp_action = RESTORE;
444	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
445	} else { /* action == RESTORE */
446	R->next_utmp_action = IGNORE;
447	rxvt_cleanutent(aR);
448	}
449	rxvt_privileges(aR_ IGNORE);
450	}
451	#endif
452
453	#ifndef NO_SETOWNER_TTYDEV
454	/* EXTPROTO */
455	void
456	rxvt_privileged_ttydev(pR_ char action)
457	{
458	D_MAIN((stderr,
459	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
460	action, R->next_tty_action, getpid()));
461	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
462	|| R->ttydev == NULL || *R->ttydev == '\0')
463	return;
464
465	rxvt_privileges(aR_ RESTORE);
466
467	if (action == SAVE) {
468	R->next_tty_action = RESTORE;
469	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
470	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
471	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
472	R->next_tty_action = IGNORE;
473	else
474	# endif
475	{
476	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
477	chmod(R->ttydev, R->ttymode);
478	# ifdef HAVE_REVOKE
479	revoke(R->ttydev);
480	# endif
481	}
482	} else { /* action == RESTORE */
483	R->next_tty_action = IGNORE;
484	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
485	chmod(R->ttydev, R->ttyfd_stat.st_mode);
486	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
487	# else
488	chmod(R->ttydev,
489	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
490	chown(R->ttydev, 0, 0);
491	# endif
492	}
493
494	rxvt_privileges(aR_ IGNORE);
495
496	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
497	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
498	action == RESTORE ? "Restoring" : (action ==
499	SAVE ? "Saving" :
500	"UNKNOWN ERROR for"), R->ttydev,
501	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
502	R->ttyfd_stat.st_gid));
503	# endif
504	}
505	#endif
506		668
507	/*----------------------------------------------------------------------*/	669	/*----------------------------------------------------------------------*/
508	/*	670	/*
509	* window size/position calculcations for XSizeHint and other storage.	671	* window size/position calculations for XSizeHint and other storage.
510	* if width/height are non-zero then override calculated width/height	672	* if width/height are non-zero then override calculated width/height
511	*/	673	*/
512	/* EXTPROTO */
513	void	674	void
514	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	675	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
515	{	676	{
516	short recalc_x, recalc_y;	677	short recalc_x, recalc_y;
517	int x, y, sb_w, mb_h, flags;	678	int x, y, sb_w, flags;
518	unsigned int w, h;	679	unsigned int w, h;
519	unsigned int max_width, max_height;	680	unsigned int max_width, max_height;
520		681
521	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
522	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
523	R->szHint.height));
524	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	682	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
525	R->szHint.win_gravity = NorthWestGravity;	683	szHint.win_gravity = NorthWestGravity;
526	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	684	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
527		685
528	recalc_x = recalc_y = 0;	686	recalc_x = recalc_y = 0;
529	flags = 0;	687	flags = 0;
		688
530	if (!R->parsed_geometry) {	689	if (!parsed_geometry)
		690	{
531	R->parsed_geometry = 1;	691	parsed_geometry = 1;
		692
532	if (R->rs[Rs_geometry])	693	if (rs[Rs_geometry])
533	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	694	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		695
534	if (flags & WidthValue) {	696	if (flags & WidthValue)
535	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	697	{
		698	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
536	R->szHint.flags |= USSize;	699	szHint.flags |= USSize;
537	}	700	}
		701
538	if (flags & HeightValue) {	702	if (flags & HeightValue)
539	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	703	{
		704	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
540	R->szHint.flags |= USSize;	705	szHint.flags |= USSize;
541	}	706	}
		707
542	if (flags & XValue) {	708	if (flags & XValue)
		709	{
543	R->szHint.x = x;	710	szHint.x = x;
544	R->szHint.flags |= USPosition;	711	szHint.flags |= USPosition;
		712
545	if (flags & XNegative) {	713	if (flags & XNegative)
		714	{
546	recalc_x = 1;	715	recalc_x = 1;
547	R->szHint.win_gravity = NorthEastGravity;	716	szHint.win_gravity = NorthEastGravity;
548	}	717	}
549	}	718	}
		719
550	if (flags & YValue) {	720	if (flags & YValue)
		721	{
551	R->szHint.y = y;	722	szHint.y = y;
552	R->szHint.flags |= USPosition;	723	szHint.flags |= USPosition;
		724
553	if (flags & YNegative) {	725	if (flags & YNegative)
		726	{
554	recalc_y = 1;	727	recalc_y = 1;
		728
555	if (R->szHint.win_gravity == NorthEastGravity)	729	if (szHint.win_gravity == NorthEastGravity)
556	R->szHint.win_gravity = SouthEastGravity;	730	szHint.win_gravity = SouthEastGravity;
557	else	731	else
558	R->szHint.win_gravity = SouthWestGravity;	732	szHint.win_gravity = SouthWestGravity;
559	}	733	}
560	}	734	}
561	}	735	}
		736
562	/* TODO: BOUNDS */	737	/* TODO: BOUNDS */
563	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	738	width = ncol * fwidth;
564	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	739	height = nrow * fheight;
565	max_width = MAX_COLS * R->TermWin.fwidth;	740	max_width = MAX_COLS * fwidth;
566	max_height = MAX_ROWS * R->TermWin.fheight;	741	max_height = MAX_ROWS * fheight;
567		742
568	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	743	szHint.base_width = szHint.base_height = 2 * int_bwidth;
569		744
570	sb_w = mb_h = 0;	745	sb_w = 0;
571	R->window_vt_x = R->window_vt_y = 0;	746	window_vt_x = window_vt_y = int_bwidth;
572	if (scrollbar_visible(R)) {	747
		748	if (scrollBar.state)
		749	{
573	sb_w = scrollbar_TotalWidth();	750	sb_w = scrollbar_TotalWidth ();
574	R->szHint.base_width += sb_w;	751	szHint.base_width += sb_w;
		752
575	if (!(R->Options & Opt_scrollBar_right))	753	if (!option (Opt_scrollBar_right))
576	R->window_vt_x = sb_w;	754	window_vt_x += sb_w;
577	}	755	}
578	if (menubar_visible(R)) {	756
579	mb_h = menuBar_TotalHeight();
580	R->szHint.base_height += mb_h;
581	R->window_vt_y = mb_h;
582	}
583	R->szHint.width_inc = R->TermWin.fwidth;	757	szHint.width_inc = fwidth;
584	R->szHint.height_inc = R->TermWin.fheight;	758	szHint.height_inc = fheight;
585	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	759	szHint.min_width = szHint.base_width + szHint.width_inc;
586	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	760	szHint.min_height = szHint.base_height + szHint.height_inc;
587		761
588	if (width && width - R->szHint.base_width < max_width) {	762	if (newwidth && newwidth - szHint.base_width < max_width)
		763	{
589	R->szHint.width = width;	764	szHint.width = newwidth;
590	R->TermWin.width = width - R->szHint.base_width;	765	width = newwidth - szHint.base_width;
591	} else {	766	}
592	MIN_IT(R->TermWin.width, max_width);	767	else
		768	{
		769	min_it (width, max_width);
593	R->szHint.width = R->szHint.base_width + R->TermWin.width;	770	szHint.width = szHint.base_width + width;
594	}	771	}
		772
595	if (height && height - R->szHint.base_height < max_height) {	773	if (newheight && newheight - szHint.base_height < max_height)
		774	{
596	R->szHint.height = height;	775	szHint.height = newheight;
597	R->TermWin.height = height - R->szHint.base_height;	776	height = newheight - szHint.base_height;
598	} else {	777	}
599	MIN_IT(R->TermWin.height, max_height);	778	else
		779	{
		780	min_it (height, max_height);
600	R->szHint.height = R->szHint.base_height + R->TermWin.height;	781	szHint.height = szHint.base_height + height;
601	}	782	}
		783
602	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	784	if (scrollBar.state && option (Opt_scrollBar_right))
603	R->window_sb_x = R->szHint.width - sb_w;	785	window_sb_x = szHint.width - sb_w;
604		786
605	if (recalc_x)	787	if (recalc_x)
606	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	788	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
607	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	789
608	if (recalc_y)	790	if (recalc_y)
609	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	791	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
610	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
611		792
612	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	793	ncol = width / fwidth;
613	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	794	nrow = height / fheight;
614	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
615	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
616	R->szHint.height));
617	return;
618	}	795	}
619		796
620	/*----------------------------------------------------------------------*/	797	/*----------------------------------------------------------------------*/
621	/*	798	/*
622	* Tell the teletype handler what size the window is.	799	* Tell the teletype handler what size the window is.
623	* Called after a window size change.	800	* Called after a window size change.
624	*/	801	*/
625	void	802	void
626	rxvt_term::tt_winch ()	803	rxvt_term::tt_winch ()
627	{	804	{
628	struct winsize ws;	805	if (pty->pty < 0)
629
630	if (cmd_fd < 0)
631	return;	806	return;
632		807
		808	struct winsize ws;
		809
633	ws.ws_col = TermWin.ncol;	810	ws.ws_col = ncol;
634	ws.ws_row = TermWin.nrow;	811	ws.ws_row = nrow;
635	ws.ws_xpixel = ws.ws_ypixel = 0;	812	ws.ws_xpixel = width;
636	#ifndef DEBUG_SIZE	813	ws.ws_ypixel = height;
637	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	814	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
638	#else	815
639	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	816	#if 0
640	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	817	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
641	# ifdef SIGWINCH
642	else if (cmd_pid) /* force through to the command */	818	if (cmd_pid) /* force through to the command */
643	kill (cmd_pid, SIGWINCH);	819	kill (-cmd_pid, SIGWINCH);
644	# endif
645	#endif	820	#endif
646	}	821	}
647		822
648	/*----------------------------------------------------------------------*/	823	/*----------------------------------------------------------------------*/
649	/* rxvt_change_font() - Switch to a new font */	824	/* set_fonts () - load and set the various fonts
650	/*	825	*
651	* init = 1 - initialize	826	* init = 1 - initialize
652	*	827	*
653	* fontname == FONT_UP - switch to bigger font	828	* fontname == FONT_UP - switch to bigger font
654	* fontname == FONT_DN - switch to smaller font	829	* fontname == FONT_DN - switch to smaller font
655	*/	830	*/
656	/* EXTPROTO */	831	bool
657	void	832	rxvt_term::set_fonts ()
658	rxvt_change_font(pR_ int init, const char *fontname)
659	{	833	{
660	}	834	rxvt_fontset *fs = new rxvt_fontset (this);
		835	rxvt_fontprop prop;
661		836
662	/* INTPROTO */	837	if (!fs
663	void	838	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
664	rxvt_font_up_down(pR_ int n, int direction)	839	|| !fs->realize_font (1))
		840	{
		841	delete fs;
		842	return false;
		843	}
		844
		845	#if ENABLE_STYLES
		846	for (int i = RS_styleCount; --i; )
		847	if (fontset[i] != fontset[0])
		848	delete fontset[i];
		849	#endif
		850
		851	delete fontset[0];
		852	fontset[0] = fs;
		853
		854	prop = (*fs)[1]->properties ();
		855	prop.height += lineSpace;
		856
		857	fs->set_prop (prop, false);
		858
		859	fwidth = prop.width;
		860	fheight = prop.height;
		861	fbase = prop.ascent;
		862
		863	for (int style = 1; style < 4; style++)
		864	{
		865	#if ENABLE_STYLES
		866	const char *res = rs[Rs_font + style];
		867
		868	if (res && !*res)
		869	fontset[style] = fontset[0];
		870	else
		871	{
		872	fontset[style] = fs = new rxvt_fontset (this);
		873	rxvt_fontprop prop2 = prop;
		874
		875	if (res)
		876	{
		877	fs->populate (res);
		878	fs->set_prop (prop2, false);
		879	}
		880	else
		881	{
		882	fs->populate (fontset[0]->fontdesc);
		883
		884	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		885	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		886
		887	fs->set_prop (prop2, true);
		888	}
		889
		890	}
		891	#else
		892	fontset[style] = fontset[0];
		893	#endif
		894	}
		895
		896	if (parent[0])
		897	{
		898	resize_all_windows (0, 0, 0);
		899	scr_remap_chars ();
		900	scr_touch (true);
		901	}
		902
		903	return true;
		904	}
		905
		906	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
665	{	907	{
		908	XChangeProperty (dpy, parent[0],
		909	prop, XA_STRING, 8, PropModeReplace,
		910	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		911	}
		912
		913	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		914	{
		915	wchar_t *ws = rxvt_mbstowcs (str, len);
		916	char *s = rxvt_wcstoutf8 (ws);
		917
		918	XChangeProperty (dpy, parent[0],
		919	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		920	(const unsigned char *)s, strlen (s));
		921
		922	free (s);
		923	free (ws);
666	}	924	}
667		925
668	/*----------------------------------------------------------------------*/	926	/*----------------------------------------------------------------------*/
669	/*----------------------------------------------------------------------*/	927	/*----------------------------------------------------------------------*/
670	/* xterm sequences - title, iconName, color (exptl) */	928	/* xterm sequences - title, iconName, color (exptl) */
671	/* EXTPROTO */
672	void	929	void
673	rxvt_set_title(pR_ const char *str)	930	rxvt_term::set_title (const char *str)
674	{	931	{
675	#ifndef SMART_WINDOW_TITLE	932	set_string_property (XA_WM_NAME, str);
676	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	933	#if ENABLE_EWMH
		934	set_utf8_property (xa[XA_NET_WM_NAME], str);
		935	#endif
		936	}
		937
		938	void
		939	rxvt_term::set_icon_name (const char *str)
		940	{
		941	set_string_property (XA_WM_ICON_NAME, str);
		942	#if ENABLE_EWMH
		943	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		944	#endif
		945	}
		946
		947	#ifdef XTERM_COLOR_CHANGE
		948	void
		949	rxvt_term::set_window_color (int idx, const char *color)
		950	{
		951	rxvt_color xcol;
		952	int i;
		953
		954	if (color == NULL || *color == '\0')
		955	return;
		956
		957	color = strdup (color);
		958	allocated.push_back ((void *)color);
		959	rs[Rs_color + idx] = color;
		960
		961	/* handle color aliases */
		962	if (isdigit (*color))
		963	{
		964	i = atoi (color);
		965
		966	if (i >= 8 && i <= 15)
		967	{ /* bright colors */
		968	i -= 8;
		969	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		970	goto done;
		971	}
		972
		973	if (i >= 0 && i <= 7)
		974	{ /* normal colors */
		975	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		976	goto done;
		977	}
		978	}
		979
		980	set_color (xcol, color);
		981
		982	/*
		983	* FIXME: should free colors here, but no idea how to do it so instead,
		984	* so just keep gobbling up the colormap
		985	*/
		986
		987	pix_colors_focused[idx] = xcol;
		988
		989	/* XSetWindowAttributes attr; */
		990	/* Cursor cursor; */
		991	done:
		992	/*TODO: handle Color_BD, scrollbar background, etc. */
		993
		994	update_fade_color (idx);
		995	recolour_cursor ();
		996	scr_recolour ();
		997	}
		998
677	#else	999	#else
678	char *name;
679
680	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
681	name = NULL;
682	if (name == NULL || STRCMP(name, str))
683	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
684	if (name)
685	XFree(name);
686	#endif
687	}
688
689	/* EXTPROTO */
690	void
691	rxvt_set_iconName(pR_ const char *str)
692	{
693	#ifndef SMART_WINDOW_TITLE
694	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
695	#else
696	char *name;
697
698	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
699	name = NULL;
700	if (name == NULL || STRCMP(name, str))
701	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
702	if (name)
703	XFree(name);
704	#endif
705	}
706
707	#ifdef XTERM_COLOR_CHANGE
708	/* EXTPROTO */
709	void
710	rxvt_set_window_color(pR_ int idx, const char *color)
711	{
712	rxvt_color xcol;
713	int i;
714
715	if (color == NULL || *color == '\0')
716	return;
717
718	/* handle color aliases */
719	if (isdigit(*color)) {
720	i = atoi(color);
721	if (i >= 8 && i <= 15) { /* bright colors */
722	i -= 8;
723	# ifndef NO_BRIGHTCOLOR
724	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
725	SET_PIXCOLOR(R, idx);
726	goto Done;
727	# endif
728	}
729	if (i >= 0 && i <= 7) { /* normal colors */
730	R->PixColors[idx] = R->PixColors[minCOLOR + i];
731	SET_PIXCOLOR(R, idx);
732	goto Done;
733	}
734	}
735	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
736	return;
737	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
738
739	/*
740	* FIXME: should free colors here, but no idea how to do it so instead,
741	* so just keep gobbling up the colormap
742	*/
743	# if 0
744	for (i = Color_Black; i <= Color_White; i++)
745	if (R->PixColors[idx] == R->PixColors[i])
746	break;
747	if (i > Color_White) {
748	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
749	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
750	DisplayPlanes(R->Xdisplay, Xscreen));
751	}
752	# endif
753
754	R->PixColors[idx] = xcol;
755	SET_PIXCOLOR(R, idx);
756
757	/* XSetWindowAttributes attr; */
758	/* Cursor cursor; */
759	Done:
760	if (idx == Color_bg && !(R->Options & Opt_transparent))
761	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
762	R->PixColors[Color_bg]);
763
764	/* handle Color_BD, scrollbar background, etc. */
765
766	rxvt_set_colorfgbg(aR);
767	rxvt_recolour_cursor(aR);
768	/* the only reasonable way to enforce a clean update */
769	rxvt_scr_poweron(aR);
770	}
771
772	#else
773	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	1000	# define set_window_color (idx,color) ((void)0)
774	#endif /* XTERM_COLOR_CHANGE */	1001	#endif /* XTERM_COLOR_CHANGE */
775		1002
776	/* EXTPROTO */
777	void	1003	void
778	rxvt_recolour_cursor(pR)	1004	rxvt_term::recolour_cursor ()
779	{	1005	{
780	rxvt_color xcol[2];	1006	XColor fg, bg;
781		1007
782	#if TODO	1008	(ISSET_PIXCOLOR (Color_pointer_fg)
783	xcol[0] = R->PixColors[Color_pointer];	1009	? pix_colors_focused[Color_pointer_fg]
784	xcol[1] = R->PixColors[Color_bg];	1010	: pix_colors_focused[Color_fg]).get (fg);
785	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1011
786	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1012	(ISSET_PIXCOLOR (Color_pointer_bg)
787	#endif	1013	? pix_colors_focused[Color_pointer_bg]
		1014	: pix_colors_focused[Color_bg]).get (bg);
		1015
		1016	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
788	}	1017	}
789		1018
790	/*----------------------------------------------------------------------*/	1019	/*----------------------------------------------------------------------*/
791	/*	1020	/*
792	* find if fg/bg matches any of the normal (low-intensity) colors	1021	* find if fg/bg matches any of the normal (low-intensity) colors
793	*/	1022	*/
794	/* INTPROTO */
795	void	1023	void
796	rxvt_set_colorfgbg(pR)	1024	rxvt_term::set_colorfgbg ()
797	{	1025	{
798	unsigned int i;	1026	unsigned int i;
799	const char *xpmb = "\0";	1027	const char *xpmb = "\0";
800	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1028	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
801		1029
802	R->env_colorfgbg =	1030	strcpy (fstr, "default");
803	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1031	strcpy (bstr, "default");
804	STRCPY(fstr, "default");
805	STRCPY(bstr, "default");
806	for (i = Color_Black; i <= Color_White; i++)	1032	for (i = Color_Black; i <= Color_White; i++)
807	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1033	if (pix_colors[Color_fg] == pix_colors[i])
		1034	{
808	sprintf(fstr, "%d", (i - Color_Black));	1035	sprintf (fstr, "%d", (i - Color_Black));
809	break;	1036	break;
810	}	1037	}
		1038
811	for (i = Color_Black; i <= Color_White; i++)	1039	for (i = Color_Black; i <= Color_White; i++)
812	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1040	if (pix_colors[Color_bg] == pix_colors[i])
		1041	{
813	sprintf(bstr, "%d", (i - Color_Black));	1042	sprintf (bstr, "%d", (i - Color_Black));
814	#ifdef XPM_BACKGROUND	1043	#ifdef XPM_BACKGROUND
815	xpmb = "default;";	1044	xpmb = "default;";
816	#endif	1045	#endif
817	break;	1046	break;
818	}	1047	}
		1048
819	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1049	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
820	putenv(R->env_colorfgbg);
821
822	#ifndef NO_BRIGHTCOLOR
823	R->colorfgbg = DEFAULT_RSTYLE;
824	for (i = minCOLOR; i <= maxCOLOR; i++) {
825	if (R->PixColors[Color_fg] == R->PixColors[i])
826	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
827	if (R->PixColors[Color_bg] == R->PixColors[i])
828	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
829	}
830	#endif
831	}	1050	}
832		1051
833	/*----------------------------------------------------------------------*/	1052	/*----------------------------------------------------------------------*/
834	/*
835	* Colour determination for low colour displays, routine from
836	* Hans de Goede <hans@highrise.nl>
837	*/
838		1053
839	/* EXTPROTO */	1054	bool
840	int	1055	rxvt_term::set_color (rxvt_color &color, const char *name)
841	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
842	{	1056	{
843	screen_in_out->set(aR_ colour);	1057	if (color.set (this, name))
844
845	if (!screen_in_out->set(aR_ colour)) {
846	rxvt_print_error("can't allocate colour: %s", colour);
847	return false;
848	}
849
850	return true;	1058	return true;
		1059
		1060	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		1061	return false;
		1062	}
		1063
		1064	void
		1065	rxvt_term::alias_color (int dst, int src)
		1066	{
		1067	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
851	}	1068	}
852		1069
853	/* -------------------------------------------------------------------- *	1070	/* -------------------------------------------------------------------- *
854	* - WINDOW RESIZING - *	1071	* - WINDOW RESIZING - *
855	* -------------------------------------------------------------------- */	1072	* -------------------------------------------------------------------- */
856	/* EXTPROTO */
857	void	1073	void
858	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1074	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
859	int ignoreparent)
860	{	1075	{
861	int fix_screen;	1076	int fix_screen;
		1077	int old_width = szHint.width;
		1078	int old_height = szHint.height;
862		1079
		1080	window_calc (newwidth, newheight);
		1081
		1082	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
		1083	XSetWMNormalHints (dpy, parent[0], &szHint);
		1084
		1085	if (!ignoreparent)
		1086	{
863	#ifdef SMART_RESIZE	1087	#ifdef SMART_RESIZE
864	int old_width = R->szHint.width, old_height = R->szHint.height;	1088	/*
865	#endif
866
867	rxvt_window_calc(aR_ width, height);
868	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
869	if (!ignoreparent) {
870	#ifdef SMART_RESIZE
871	/*
872	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1089	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
873	* reposition window on resize depending on placement on screen	1090	* reposition window on resize depending on placement on screen
874	*/	1091	*/
875	int x, y, x1, y1;	1092	int x, y, x1, y1;
876	int dx, dy;	1093	int dx, dy;
877	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1094	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
878	Window unused_cr;	1095	Window unused_cr;
879		1096
880	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1097	XTranslateCoordinates (dpy, parent[0], display->root,
881	0, 0, &x, &y, &unused_cr);	1098	0, 0, &x, &y, &unused_cr);
882	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1099	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
883	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1100	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
884	/*	1101	/*
885	* if Xroot isn't the parent window, a WM will probably have offset	1102	* if display->root isn't the parent window, a WM will probably have offset
886	* our position for handles and decorations. Counter it	1103	* our position for handles and decorations. Counter it
887	*/	1104	*/
888	if (x1 != x || y1 != y) {	1105	if (x1 != x || y1 != y)
		1106	{
889	x -= x1;	1107	x -= x1;
890	y -= y1;	1108	y -= y1;
891	}	1109	}
892		1110
893	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1111	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
894	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1112	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
895	dx = old_width - R->szHint.width;	1113	dx = old_width - szHint.width;
896	dy = old_height - R->szHint.height;	1114	dy = old_height - szHint.height;
897		1115
898	/* Check position of the center of the window */	1116	/* Check position of the center of the window */
899	if (x < x1) /* left half */	1117	if (x < x1) /* left half */
900	dx = 0;	1118	dx = 0;
901	else if (x == x1) /* exact center */	1119	else if (x == x1) /* exact center */
902	dx /= 2;	1120	dx /= 2;
903	if (y < y1) /* top half */	1121	if (y < y1) /* top half */
904	dy = 0;	1122	dy = 0;
905	else if (y == y1) /* exact center */	1123	else if (y == y1) /* exact center */
906	dy /= 2;	1124	dy /= 2;
907		1125
908	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1126	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
909	R->szHint.width, R->szHint.height);	1127	szHint.width, szHint.height);
910	#else	1128	#else
911	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1129	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
912	R->szHint.height);
913	#endif	1130	#endif
914	}	1131	}
915		1132
916	fix_screen = (R->TermWin.ncol != R->prev_ncol	1133	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
917	|| R->TermWin.nrow != R->prev_nrow);	1134
918	if (fix_screen || width != R->old_width || height != R->old_height) {	1135	if (fix_screen || newwidth != old_width || newheight != old_height)
919	if (scrollbar_visible(R)) {	1136	{
		1137	if (scrollBar.state)
		1138	{
920	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1139	XMoveResizeWindow (dpy, scrollBar.win,
		1140	window_sb_x, 0,
921	0, scrollbar_TotalWidth(), R->szHint.height);	1141	scrollbar_TotalWidth (), szHint.height);
922	rxvt_Resize_scrollBar(aR);	1142	resize_scrollbar ();
923	}	1143	}
924	if (menubar_visible(R))	1144
925	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1145	XMoveResizeWindow (dpy, vt,
926	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1146	window_vt_x, window_vt_y,
927	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
928	R->window_vt_y, TermWin_TotalWidth(),
929	TermWin_TotalHeight());	1147	width, height);
930	#ifdef RXVT_GRAPHICS	1148
931	if (R->old_height)	1149	#ifdef HAVE_BG_PIXMAP
932	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,	1150	if (bgPixmap.window_size_sensitive ())
933	R->old_height - R->szHint.base_height);	1151	update_background ();
934	#endif	1152	#endif
		1153
935	rxvt_scr_clear(aR);	1154	scr_clear ();
936	#ifdef XPM_BACKGROUND
937	rxvt_resize_pixmap(aR);
938	#endif
939	}	1155	}
940		1156
941	if (fix_screen || R->old_height == 0) {	1157	if (fix_screen || old_height == 0)
942	int curr_screen = -1;
943	uint16_t old_ncol = R->prev_ncol;
944
945	/* scr_reset only works on the primary screen */
946	if (R->old_height) /* this is not the first time through */
947	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
948
949	R->scr_reset();	1158	scr_reset ();
950		1159
951	if (curr_screen >= 0) { /* this is not the first time through */	1160	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
952	rxvt_scr_change_screen(aR_ curr_screen);	1161	//scr_touch (false);
953	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
954	}
955	}
956		1162
957	R->old_width = R->szHint.width;	1163	#ifdef HAVE_BG_PIXMAP
958	R->old_height = R->szHint.height;	1164	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1165	// if (bgPixmap.pixmap)
		1166	// scr_touch (false);
		1167	#endif
959		1168
960	#ifdef USE_XIM	1169	#ifdef USE_XIM
961	rxvt_IMSetStatusPosition(aR);	1170	IMSetPosition ();
962	#endif	1171	#endif
963	}	1172	}
964		1173
965	/*	1174	/*
966	* Set the width/height of the vt window in characters. Units are pixels.	1175	* Set the width/height of the vt window in characters. Units are pixels.
967	* good for toggling 80/132 columns	1176	* good for toggling 80/132 columns
968	*/	1177	*/
969	/* EXTPROTO */
970	void	1178	void
971	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1179	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
972	{	1180	{
973	XWindowAttributes wattr;	1181	XWindowAttributes wattr;
974		1182
975	if (width == 0 || height == 0) {	1183	if (newwidth == 0 || newheight == 0)
		1184	{
976	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1185	XGetWindowAttributes (dpy, display->root, &wattr);
		1186
977	if (width == 0)	1187	if (newwidth == 0)
978	width = wattr.width - R->szHint.base_width;	1188	newwidth = wattr.width - szHint.base_width;
979	if (height == 0)	1189	if (newheight == 0)
980	height = wattr.height - R->szHint.base_height;	1190	newheight = wattr.height - szHint.base_height;
		1191	}
		1192
		1193	if (newwidth != width || newheight != height)
981	}	1194	{
982	if (width != R->TermWin.width || height != R->TermWin.height) {
983	width += R->szHint.base_width;	1195	newwidth += szHint.base_width;
984	height += R->szHint.base_height;	1196	newheight += szHint.base_height;
985	rxvt_resize_all_windows(aR_ width, height, 0);	1197	resize_all_windows (newwidth, newheight, 0);
986	}	1198	}
987	}	1199	}
988		1200
989	/* -------------------------------------------------------------------- *	1201	/* -------------------------------------------------------------------- *
990	* - X INPUT METHOD ROUTINES - *	1202	* - X INPUT METHOD ROUTINES - *
991	* -------------------------------------------------------------------- */	1203	* -------------------------------------------------------------------- */
992	#ifdef USE_XIM	1204	#ifdef USE_XIM
993	/* INTPROTO */
994	void
995	rxvt_setSize(pR_ XRectangle * size)
996	{
997	size->x = R->TermWin.int_bwidth;
998	size->y = R->TermWin.int_bwidth;
999	size->width = Width2Pixel(R->TermWin.ncol);
1000	size->height = Height2Pixel(R->TermWin.nrow);
1001	}
1002		1205
1003	/* INTPROTO */
1004	void	1206	void
1005	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1207	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1006	{	1208	{
1007	*fg = R->PixColors[Color_fg];	1209	fg = pix_colors [Color_fg];
1008	*bg = R->PixColors[Color_bg];	1210	bg = pix_colors [Color_bg];
		1211	}
		1212
		1213	void
		1214	rxvt_term::im_set_size (XRectangle &size)
		1215	{
		1216	// the int_bwidth terms make no sense to me
		1217	size.x = int_bwidth;
		1218	size.y = int_bwidth;
		1219	size.width = Width2Pixel (ncol) + int_bwidth;
		1220	size.height = Height2Pixel (nrow) + int_bwidth;
		1221	}
		1222
		1223	void
		1224	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1225	XRectangle &status_rect,
		1226	const XRectangle &needed_rect)
		1227	{
		1228	preedit_rect.x = needed_rect.width;
		1229	preedit_rect.y = 0;
		1230	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1231	preedit_rect.height = fheight;
		1232
		1233	status_rect.x = 0;
		1234	status_rect.y = 0;
		1235	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1236	status_rect.height = fheight;
1009	}	1237	}
1010		1238
1011	/* Checking whether input method is running. */	1239	/* Checking whether input method is running. */
1012	/* INTPROTO */
1013	Bool	1240	bool
1014	rxvt_IMisRunning(pR)	1241	rxvt_term::IMisRunning ()
1015	{	1242	{
1016	char *p;	1243	char *p;
1017	Atom atom;	1244	Atom atom;
1018	Window win;	1245	Window win;
1019	char server[IMBUFSIZ];	1246	char server[IMBUFSIZ];
1020		1247
1021	/* get current locale modifier */	1248	/* get current locale modifier */
1022	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1249	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1250	{
1023	STRCPY(server, "@server=");	1251	strcpy (server, "@server=");
1024	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1252	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1253
1025	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1254	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1026	*p = '\0';	1255	*p = '\0';
1027		1256
1028	atom = XInternAtom(R->Xdisplay, server, False);	1257	atom = XInternAtom (dpy, server, False);
1029	win = XGetSelectionOwner(R->Xdisplay, atom);	1258	win = XGetSelectionOwner (dpy, atom);
		1259
1030	if (win != None)	1260	if (win != None)
1031	return True;	1261	return True;
1032	}	1262	}
		1263
1033	return False;	1264	return False;
1034	}	1265	}
1035		1266
1036	/* EXTPROTO */
1037	void	1267	void
1038	rxvt_IMSendSpot(pR)	1268	rxvt_term::IMSendSpot ()
1039	{	1269	{
1040	XPoint spot;	1270	XPoint nspot;
1041	XVaNestedList preedit_attr;	1271	XVaNestedList preedit_attr;
1042		1272
1043	if (R->Input_Context == NULL	1273	if (!Input_Context
1044	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1274	|| !focus
1045	|| !(R->event_type == KeyPress	1275	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1046	|| R->event_type == Expose
1047	|| R->event_type == NoExpose
1048	|| R->event_type == SelectionNotify
1049	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1050	|| !rxvt_IMisRunning(aR))
1051	return;	1276	return;
1052		1277
1053	rxvt_setPosition(aR_ & spot);	1278	im_set_position (nspot);
1054		1279
		1280	if (nspot.x == spot.x && nspot.y == spot.y)
		1281	return;
		1282
		1283	spot = nspot;
		1284
1055	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1285	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1056	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1286	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1057	XFree(preedit_attr);	1287	XFree (preedit_attr);
1058	}	1288	}
1059		1289
1060	/* EXTPROTO */
1061	void	1290	void
1062	rxvt_setTermFontSet(pR_ int idx)	1291	rxvt_term::im_destroy ()
1063	{	1292	{
1064	char *string;	1293	if (input_method)
1065	long length;	1294	{
1066	int success = 0;	1295	if (Input_Context && input_method->xim)
		1296	XDestroyIC (Input_Context);
1067		1297
1068	if (idx < 0 || idx >= MAX_NFONTS)	1298	display->put_xim (input_method);
1069	return;	1299	input_method = 0;
1070	}	1300	}
1071		1301
1072	/* INTPROTO */
1073	void
1074	rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1075	XRectangle * needed_rect)
1076	{
1077	int mbh, vtx = 0;
1078
1079	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1080	vtx = scrollbar_TotalWidth();
1081	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1082	mbh -= R->TermWin.lineSpace;
1083
1084	preedit_rect->x = needed_rect->width + vtx;
1085	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1086
1087	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1088	+ vtx;
1089	preedit_rect->height = Height2Pixel(1);
1090
1091	status_rect->x = vtx;
1092	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1093
1094	status_rect->width = needed_rect->width ? needed_rect->width
1095	: Width2Pixel(R->TermWin.ncol + 1);
1096	status_rect->height = Height2Pixel(1);
1097	}
1098
1099	/* ARGSUSED */
1100	/* INTPROTO */
1101	void
1102	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1103	__attribute__ ((unused)), XPointer call_data
1104	__attribute__ ((unused)))
1105	{
1106	dR;
1107
1108	R->Input_Context = NULL;	1302	Input_Context = 0;
1109	/* To avoid Segmentation Fault in C locale: Solaris only? */
1110	if (STRCMP(R->locale, "C"))
1111	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1112	rxvt_IMInstantiateCallback, NULL);
1113	}	1303	}
		1304
		1305	#ifdef ENABLE_XIM_ONTHESPOT
		1306
		1307	static void
		1308	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1309	{
		1310	((rxvt_term *)client_data)->make_current ();
		1311	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1312	}
		1313
		1314	static void
		1315	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1316	{
		1317	((rxvt_term *)client_data)->make_current ();
		1318	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1319	}
		1320
		1321	static void
		1322	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1323	{
		1324	rxvt_term *term = (rxvt_term *)client_data;
		1325	XIMText *text = call_data->text;
		1326
		1327	term->make_current ();
		1328
		1329	if (text)
		1330	{
		1331	void *str;
		1332
		1333	if (!text->encoding_is_wchar && text->string.multi_byte)
		1334	{
		1335	// of course, X makes it ugly again
		1336	if (term->rs[Rs_imLocale])
		1337	SET_LOCALE (term->rs[Rs_imLocale]);
		1338
		1339	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1340	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1341
		1342	if (term->rs[Rs_imLocale])
		1343	SET_LOCALE (term->locale);
		1344	}
		1345	else
		1346	str = (void *)text->string.wide_char;
		1347
		1348	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1349	DT_INT, call_data->caret,
		1350	DT_INT, call_data->chg_first,
		1351	DT_INT, call_data->chg_length,
		1352	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1353	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1354	DT_END));
		1355	}
		1356	else
		1357	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1358	DT_INT, call_data->caret,
		1359	DT_INT, call_data->chg_first,
		1360	DT_INT, call_data->chg_length,
		1361	DT_END));
		1362	}
		1363
		1364	#if 0
		1365	static void
		1366	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1367	{
		1368	((rxvt_term *)client_data)->make_current ();
		1369	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1370	DT_INT, call_data->position,
		1371	DT_INT, call_data->direction,
		1372	DT_INT, call_data->style,
		1373	DT_END));
		1374	}
		1375	#endif
		1376
		1377	#endif
1114		1378
1115	/*	1379	/*
1116	* X manual pages and include files don't match on some systems:	1380	* Try to open a XIM with the current modifiers, then see if we can
1117	* some think this is an XIDProc and others an XIMProc so we can't	1381	* open a suitable preedit type
1118	* use the first argument - need to update this to be nice for
1119	* both types via some sort of configure detection
1120	*/	1382	*/
1121	/* ARGSUSED */	1383	bool
1122	/* EXTPROTO */	1384	rxvt_term::IM_get_IC (const char *modifiers)
1123	void
1124	rxvt_IMInstantiateCallback(Display * unused
1125	__attribute__ ((unused)), XPointer client_data
1126	__attribute__ ((unused)), XPointer call_data
1127	__attribute__ ((unused)))
1128	{	1385	{
1129	dR;	1386	int i, j, found;
1130	int i, found, had_im;	1387	XIM xim;
		1388	XPoint spot;
		1389	XRectangle rect, status_rect, needed_rect;
		1390	unsigned long fg, bg;
		1391	const char *p;
		1392	char **s;
		1393	XIMStyles *xim_styles;
		1394	#ifdef ENABLE_XIM_ONTHESPOT
		1395	XIMCallback xcb[4];
		1396	#endif
		1397
		1398	set_environ (envv);
		1399
		1400	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1401	return false;
		1402
		1403	input_method = display->get_xim (locale, modifiers);
		1404	if (input_method == NULL)
		1405	return false;
		1406
		1407	xim = input_method->xim;
		1408	spot.x = spot.y = -1;
		1409
		1410	xim_styles = NULL;
		1411	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
		1412	|| !xim_styles || !xim_styles->count_styles)
		1413	{
		1414	im_destroy ();
		1415	return false;
		1416	}
		1417
		1418	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1419
		1420	for (int pi = 0; pi < 2; pi++)
		1421	{
		1422	p = pet[pi];
		1423
		1424	if (!p)
		1425	continue;
		1426
		1427	s = rxvt_splitcommastring (p);
		1428
		1429	for (i = found = 0; !found && s[i]; i++)
		1430	{
		1431	if (!strcmp (s[i], "OverTheSpot"))
		1432	input_style = XIMPreeditPosition | XIMStatusNothing;
		1433	else if (!strcmp (s[i], "OffTheSpot"))
		1434	input_style = XIMPreeditArea | XIMStatusArea;
		1435	else if (!strcmp (s[i], "Root"))
		1436	input_style = XIMPreeditNothing | XIMStatusNothing;
		1437	else if (!strcmp (s[i], "None"))
		1438	input_style = XIMPreeditNone | XIMStatusNone;
		1439	#ifdef ENABLE_XIM_ONTHESPOT
		1440	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1441	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1442	#endif
		1443	else
		1444	input_style = XIMPreeditNothing | XIMStatusNothing;
		1445
		1446	for (j = 0; j < xim_styles->count_styles; j++)
		1447	if (input_style == xim_styles->supported_styles[j])
		1448	{
		1449	rxvt_freecommastring (s);
		1450
		1451	found = 1;
		1452	goto foundpet;
		1453	}
		1454
		1455	}
		1456
		1457	rxvt_freecommastring (s);
		1458	}
		1459
		1460	foundpet:
		1461
		1462	XFree (xim_styles);
		1463
		1464	if (!found)
		1465	{
		1466	im_destroy ();
		1467	return false;
		1468	}
		1469
		1470	XFontSet fs = 0;
		1471	XVaNestedList preedit_attr = 0, status_attr = 0;
		1472
		1473	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1474	{
		1475	// fake us a font-set, please
		1476	char **missing_charset_list;
		1477	int missing_charset_count;
		1478	char *def_string;
		1479	char pat[512];
		1480
		1481	sprintf (pat,
		1482	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1483	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1484	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1485	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1486	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1487	"*",
		1488	fheight,
		1489	fheight + 1, fheight - 1,
		1490	fheight - 2, fheight + 2);
		1491
		1492	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1493	&missing_charset_list, &missing_charset_count, &def_string);
		1494
		1495	if (missing_charset_list)
		1496	XFreeStringList (missing_charset_list);
		1497
		1498	if (!fs)
		1499	{
		1500	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1501	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1502	}
		1503	}
		1504
		1505	if (input_style & XIMPreeditPosition)
		1506	{
		1507	im_set_size (rect);
		1508	im_set_position (spot);
		1509	im_set_color (fg, bg);
		1510
		1511	preedit_attr = XVaCreateNestedList (0,
		1512	XNForeground, fg,
		1513	XNBackground, bg,
		1514	XNArea, &rect,
		1515	XNSpotLocation, &spot,
		1516	XNFontSet, fs,
		1517	NULL);
		1518	}
		1519	else if (input_style & XIMPreeditArea)
		1520	{
		1521	im_set_color (fg, bg);
		1522
		1523	/*
		1524	* The necessary width of preedit area is unknown
		1525	* until create input context.
		1526	*/
		1527	needed_rect.width = 0;
		1528	im_set_preedit_area (rect, status_rect, needed_rect);
		1529
		1530	preedit_attr = XVaCreateNestedList (0,
		1531	XNForeground, fg,
		1532	XNBackground, bg,
		1533	XNArea, &rect,
		1534	XNFontSet, fs,
		1535	NULL);
		1536	status_attr = XVaCreateNestedList (0,
		1537	XNForeground, fg,
		1538	XNBackground, bg,
		1539	XNArea, &status_rect,
		1540	XNFontSet, fs,
		1541	NULL);
		1542	}
		1543	#if ENABLE_XIM_ONTHESPOT
		1544	else if (input_style & XIMPreeditCallbacks)
		1545	{
		1546	im_set_position (spot);
		1547
		1548	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1549	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1550	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1551	# if 0
		1552	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1553	# endif
		1554
		1555	preedit_attr = XVaCreateNestedList (0,
		1556	XNSpotLocation, &spot,
		1557	XNPreeditStartCallback, &xcb[0],
		1558	XNPreeditDoneCallback , &xcb[1],
		1559	XNPreeditDrawCallback , &xcb[2],
		1560	# if 0
		1561	XNPreeditCaretCallback, &xcb[3],
		1562	# endif
		1563	NULL);
		1564	}
		1565	#endif
		1566
		1567	Input_Context = XCreateIC (xim,
		1568	XNInputStyle, input_style,
		1569	XNClientWindow, vt,
		1570	XNFocusWindow, parent[0],
		1571	preedit_attr ? XNPreeditAttributes : NULL,
		1572	preedit_attr,
		1573	status_attr ? XNStatusAttributes : NULL,
		1574	status_attr, NULL);
		1575
		1576	if (preedit_attr) XFree (preedit_attr);
		1577	if (status_attr) XFree (status_attr);
		1578	if (fs) XFreeFontSet (dpy, fs);
		1579
		1580	if (Input_Context == NULL)
		1581	{
		1582	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1583	im_destroy ();
		1584	return false;
		1585	}
		1586
		1587	#if 0
		1588	// unfortunately, only the focus window is used by XIM, hard to fix
		1589	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1590	vt_select_input ();
		1591	#endif
		1592
		1593	IMSetPosition ();
		1594
		1595	return true;
		1596	}
		1597
		1598	void
		1599	rxvt_term::im_cb ()
		1600	{
		1601	int i;
1131	const char *p;	1602	const char *p;
1132	char **s;	1603	char **s;
1133	char buf[IMBUFSIZ];	1604	char buf[IMBUFSIZ];
1134		1605
1135	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1606	make_current ();
		1607
		1608	im_destroy ();
		1609
1136	if (R->Input_Context)	1610	if (Input_Context)
1137	return;	1611	return;
1138		1612
1139	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1613	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1140	if (R->rs[Rs_imLocale])	1614	if (rs[Rs_imLocale])
1141	setlocale (LC_CTYPE, R->rs[Rs_imLocale]);	1615	SET_LOCALE (rs[Rs_imLocale]);
1142	#endif	1616	#endif
1143		1617
1144	p = R->rs[Rs_inputMethod];	1618	p = rs[Rs_inputMethod];
1145	if (p && *p)	1619	if (p && *p)
1146	{	1620	{
1147	bool found = false;	1621	bool found = false;
1148		1622
1149	s = rxvt_splitcommastring (p);	1623	s = rxvt_splitcommastring (p);
		1624
1150	for (i = 0; s[i]; i++)	1625	for (i = 0; s[i]; i++)
1151	{	1626	{
1152	if (*s[i])	1627	if (*s[i])
1153	{	1628	{
1154	STRCPY (buf, "@im=");	1629	strcpy (buf, "@im=");
1155	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1630	strncat (buf, s[i], IMBUFSIZ - 5);
1156	if ((p = XSetLocaleModifiers (buf)) && *p	1631	if (IM_get_IC (buf))
1157	&& rxvt_IM_get_IC (aR))
1158	{	1632	{
1159	found = true;	1633	found = true;
1160	break;	1634	break;
1161	}	1635	}
1162	}	1636	}
1163	}	1637	}
1164	for (i = 0; s[i]; i++)	1638
1165	free(s[i]);	1639	rxvt_freecommastring (s);
1166	free(s);
1167		1640
1168	if (found)	1641	if (found)
1169	goto done;	1642	goto done;
1170	}	1643	}
1171		1644
1172	/* try with XMODIFIERS env. var. */	1645	/* try with XMODIFIERS env. var. */
1173	if ((p = XSetLocaleModifiers ("")) && *p	1646	if (IM_get_IC (""))
1174	&& rxvt_IM_get_IC (aR))
1175	goto done;	1647	goto done;
1176		1648
1177	/* try with no modifiers base IF the user didn't specify an IM */	1649	/* try with no modifiers base IF the user didn't specify an IM */
1178	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1650	if (IM_get_IC ("@im=none"))
1179	&& rxvt_IM_get_IC (aR) == True)
1180	goto done;	1651	goto done;
1181		1652
1182	done:	1653	done:
1183	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1654	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1184	if (R->rs[Rs_imLocale])	1655	if (rs[Rs_imLocale])
1185	setlocale (LC_CTYPE, R->locale);	1656	SET_LOCALE (locale);
1186	#endif	1657	#endif
1187	}	1658	}
1188		1659
1189	/*	1660	void
1190	* Try to open a XIM with the current modifiers, then see if we can	1661	rxvt_term::IMSetPosition ()
1191	* open a suitable preedit type
1192	*/
1193	/* INTPROTO */
1194	Bool
1195	rxvt_IM_get_IC(pR)
1196	{	1662	{
1197	int i, j, found;
1198	XIM xim;
1199	XPoint spot;
1200	XRectangle rect, status_rect, needed_rect;	1663	XRectangle preedit_rect, status_rect, *needed_rect;
1201	unsigned long fg, bg;
1202	const char *p;
1203	char **s;
1204	XIMStyles *xim_styles;
1205	XVaNestedList preedit_attr, status_attr;	1664	XVaNestedList preedit_attr, status_attr;
1206	XIMCallback ximcallback;
1207		1665
1208	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1666	if (!Input_Context
1209	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1667	|| !focus
1210	if (xim == NULL)	1668	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1211	return False;	1669	|| !IMisRunning ())
		1670	return;
1212		1671
1213	xim_styles = NULL;
1214	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)
1215	|| !xim_styles || !xim_styles->count_styles) {
1216	XCloseIM(xim);
1217	return False;
1218	}
1219
1220	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]
1221	: "OverTheSpot,OffTheSpot,Root";
1222	s = rxvt_splitcommastring(p);
1223	for (i = found = 0; !found && s[i]; i++) {
1224	if (!STRCMP(s[i], "OverTheSpot"))
1225	R->input_style = (XIMPreeditPosition | XIMStatusNothing);
1226	else if (!STRCMP(s[i], "OffTheSpot"))
1227	R->input_style = (XIMPreeditArea | XIMStatusArea);
1228	else if (!STRCMP(s[i], "Root"))
1229	R->input_style = (XIMPreeditNothing | XIMStatusNothing);
1230
1231	for (j = 0; j < xim_styles->count_styles; j++)
1232	if (R->input_style == xim_styles->supported_styles[j]) {
1233	found = 1;
1234	break;
1235	}
1236	}
1237	for (i = 0; s[i]; i++)
1238	free(s[i]);
1239	free(s);
1240	XFree(xim_styles);
1241
1242	if (!found) {
1243	XCloseIM(xim);
1244	return False;
1245	}
1246
1247	ximcallback.callback = rxvt_IMDestroyCallback;
1248
1249	/* XXX: not sure why we need this (as well as IC one below) */
1250	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1251
1252	preedit_attr = status_attr = NULL;
1253
1254	if (R->input_style & XIMPreeditPosition) {	1672	if (input_style & XIMPreeditPosition)
1255	rxvt_setSize(aR_ & rect);	1673	{
1256	rxvt_setPosition(aR_ & spot);	1674	im_set_size (preedit_rect);
1257	rxvt_setColor(aR_ & fg, &bg);
1258
1259	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1675	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1260	XNSpotLocation, &spot,
1261	XNForeground, fg, XNBackground, bg,
1262	//XNFontSet, R->TermWin.fontset,
1263	NULL);
1264	} else if (R->input_style & XIMPreeditArea) {
1265	rxvt_setColor(aR_ & fg, &bg);
1266
1267	/*
1268	* The necessary width of preedit area is unknown
1269	* until create input context.
1270	*/
1271	needed_rect.width = 0;
1272
1273	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1274
1275	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1276	XNForeground, fg, XNBackground, bg,
1277	//XNFontSet, R->TermWin.fontset,
1278	NULL);
1279	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1280	XNForeground, fg, XNBackground, bg,
1281	//XNFontSet, R->TermWin.fontset,
1282	NULL);
1283	}	1676
1284	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,	1677	XSetICValues (Input_Context,
1285	XNClientWindow, R->TermWin.parent[0],	1678	XNPreeditAttributes, preedit_attr, NULL);
1286	XNFocusWindow, R->TermWin.parent[0],	1679	}
1287	XNDestroyCallback, &ximcallback,	1680	else
1288	preedit_attr ? XNPreeditAttributes : NULL,
1289	preedit_attr,
1290	status_attr ? XNStatusAttributes : NULL,
1291	status_attr, NULL);
1292	if (preedit_attr)
1293	XFree(preedit_attr);
1294	if (status_attr)
1295	XFree(status_attr);
1296	if (R->Input_Context == NULL) {
1297	rxvt_print_error("failed to create input context");
1298	XCloseIM(xim);
1299	return False;
1300	}	1681	{
1301	if (R->input_style & XIMPreeditArea)
1302	rxvt_IMSetStatusPosition(aR);
1303	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1304	return True;
1305	}
1306
1307	/* EXTPROTO */
1308	void
1309	rxvt_IMSetStatusPosition(pR)
1310	{
1311	XRectangle preedit_rect, status_rect, *needed_rect;
1312	XVaNestedList preedit_attr, status_attr;
1313
1314	if (R->Input_Context == NULL
1315	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)
1316	|| !rxvt_IMisRunning(aR))
1317	return;
1318
1319	/* Getting the necessary width of preedit area */	1682	/* Getting the necessary width of preedit area */
1320	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1683	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1321	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1684	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1322	XFree(status_attr);	1685	XFree (status_attr);
1323		1686
1324	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1687	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1688	XFree (needed_rect);
1325		1689
1326	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1690	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1327	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1691	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1328		1692
1329	XSetICValues(R->Input_Context,	1693	XSetICValues (Input_Context,
1330	XNPreeditAttributes, preedit_attr,	1694	XNPreeditAttributes, preedit_attr,
1331	XNStatusAttributes, status_attr, NULL);	1695	XNStatusAttributes, status_attr,
		1696	NULL);
1332		1697
		1698	XFree (status_attr);
		1699	}
		1700
1333	XFree(preedit_attr);	1701	XFree (preedit_attr);
1334	XFree(status_attr);
1335	}	1702	}
1336	#endif /* USE_XIM */	1703	#endif /* USE_XIM */
1337		1704
1338	/*----------------------------------------------------------------------*/	1705	void
1339	rxvt_t rxvt_current_term;	1706	rxvt_term::get_window_origin (int &x, int &y)
		1707	{
		1708	Window cr;
		1709	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1710	/* fprintf( stderr, "origin is %+d%+d\n", x, y);*/
		1711	}
		1712
		1713	Pixmap
		1714	rxvt_term::get_pixmap_property (int prop_id)
		1715	{
		1716	if (prop_id > 0 && prop_id < NUM_XA)
		1717	if (xa[prop_id])
		1718	{
		1719	int aformat;
		1720	unsigned long nitems, bytes_after;
		1721	Atom atype;
		1722	unsigned char *prop = NULL;
		1723	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1724	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1725	&nitems, &bytes_after, &prop);
		1726	if (result == Success && prop && atype == XA_PIXMAP)
		1727	{
		1728	return *(Pixmap *)prop;
		1729	}
		1730	}
		1731	return None;
		1732	}
		1733
		1734	#ifdef HAVE_BG_PIXMAP
		1735	int
		1736	rxvt_term::update_background ()
		1737	{
		1738	bgPixmap.invalidate();
		1739
		1740	/* no chance of real time refresh if we are blurring ! */
		1741	if (bgPixmap.invalid_since + 0.5 < NOW && !(bgPixmap.flags & bgPixmap_t::blurNeeded))
		1742	bgPixmap.render();
		1743	else
		1744	{
		1745	update_background_ev.stop ();
		1746	if (!bgPixmap.need_client_side_rendering())
		1747	update_background_ev.start (NOW + .05);
		1748	else if (bgPixmap.flags & bgPixmap_t::blurNeeded)
		1749	update_background_ev.start (NOW + .2); /* very slow !!! */
		1750	else
		1751	update_background_ev.start (NOW + .07);
		1752	}
		1753	return 0;
		1754	}
		1755
		1756	void
		1757	rxvt_term::update_background_cb (time_watcher &w)
		1758	{
		1759	bgPixmap.render ();
		1760	}
		1761
		1762	#endif /* HAVE_BG_PIXMAP */
1340		1763
1341	/*----------------------- end-of-file (C source) -----------------------*/	1764	/*----------------------- end-of-file (C source) -----------------------*/

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