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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.12 by pcg, Tue Dec 16 23:04:13 2003 UTC vs.
Revision 1.251 by sasha, Tue Sep 18 22:01:36 2007 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.12 2003/12/16 23:04:13 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	{
80	rxvt_scr_release (this);	217	termlist.erase (find (termlist.begin (), termlist.end(), this));
81		218
82	#ifndef NO_SETOWNER_TTYDEV	219	emergency_cleanup ();
83	rxvt_privileged_ttydev (this, RESTORE);	220
		221	#if ENABLE_STYLES
		222	for (int i = RS_styleCount; --i; )
		223	if (fontset[i] != fontset[0])
		224	delete fontset[i];
84	#endif	225	#endif
85	#ifdef UTMP_SUPPORT	226	delete fontset[0];
86	rxvt_privileged_utmp (this, RESTORE);	227
87	#endif	228	if (display)
		229	{
		230	selection_clear ();
		231
88	#ifdef USE_XIM	232	#ifdef USE_XIM
89	if (Input_Context != NULL)	233	im_destroy ();
		234	#endif
		235	#ifdef XTERM_SCROLLBAR
		236	if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
		237	if (ShadowGC) XFreeGC (dpy, ShadowGC);
		238	#endif
		239	#ifdef PLAIN_SCROLLBAR
		240	if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
		241	#endif
		242	#ifdef NEXT_SCROLLBAR
		243	if (blackGC) XFreeGC (dpy, blackGC);
		244	if (whiteGC) XFreeGC (dpy, whiteGC);
		245	if (grayGC) XFreeGC (dpy, grayGC);
		246	if (darkGC) XFreeGC (dpy, darkGC);
		247	if (stippleGC) XFreeGC (dpy, stippleGC);
		248	if (dimple) XFreePixmap (dpy, dimple);
		249	if (upArrow) XFreePixmap (dpy, upArrow);
		250	if (downArrow) XFreePixmap (dpy, downArrow);
		251	if (upArrowHi) XFreePixmap (dpy, upArrowHi);
		252	if (downArrowHi) XFreePixmap (dpy, downArrowHi);
		253	#endif
		254	#ifdef RXVT_SCROLLBAR
		255	if (topShadowGC) XFreeGC (dpy, topShadowGC);
		256	if (botShadowGC) XFreeGC (dpy, botShadowGC);
		257	if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
		258	#endif
		259	if (gc) XFreeGC (dpy, gc);
		260
		261	delete drawable;
		262	// destroy all windows
		263	if (parent[0])
		264	XDestroyWindow (dpy, parent[0]);
		265
		266	for (int i = 0; i < TOTAL_COLORS; i++)
		267	if (ISSET_PIXCOLOR (i))
		268	{
		269	pix_colors_focused [i].free (this);
		270	#if OFF_FOCUS_FADING
		271	pix_colors_unfocused [i].free (this);
		272	#endif
		273	}
		274
		275	clear ();
90	{	276	}
91	XDestroyIC (Input_Context);
92	Input_Context = NULL;
93	}
94	#endif
95		277
96	if (cmd_fd >= 0)	278	delete [] pix_colors_focused;
97	close (cmd_fd);	279	#if OFF_FOCUS_FADING
		280	delete [] pix_colors_unfocused;
		281	#endif
98		282
99	if (Xfd >= 0)	283	displays.put (display);
100	XCloseDisplay (Xdisplay);
101		284
102	delete PixColors;	285	scr_release ();
		286
		287	/* clear all resources */
		288	for (int i = 0; i < allocated.size (); i++)
		289	free (allocated [i]);
		290
		291	free (selection.text);
		292	// TODO: manage env vars in child only(!)
		293	free (env_display);
		294	free (env_term);
		295	free (locale);
		296	free (v_buffer);
		297	free (incr_buf);
		298
		299	delete envv;
		300	delete argv;
		301
		302	#ifdef KEYSYM_RESOURCE
		303	delete keyboard;
		304	#endif
		305	}
		306
		307	// child has exited, usually destroys
		308	void
		309	rxvt_term::child_cb (child_watcher &w, int status)
		310	{
		311	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		312
		313	cmd_pid = 0;
		314
		315	if (!option (Opt_hold))
		316	destroy ();
103	}	317	}
104		318
105	void	319	void
106	rxvt_term::destroy ()	320	rxvt_term::destroy ()
107	{	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
108	check_ev.stop ();	347	check_ev.stop ();
109	pty_ev.stop ();	348	pty_ev.stop ();
110	x_ev.stop ();
111	#ifdef CURSOR_BLINK	349	#ifdef CURSOR_BLINK
		350	cursor_blink_ev.stop ();
		351	#endif
		352	#ifdef TEXT_BLINK
112	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 ();
113	#endif	360	#endif
114	#ifdef POINTER_BLANK	361	#ifdef POINTER_BLANK
115	pointer_ev.stop ();	362	pointer_ev.stop ();
116	#endif	363	#endif
117		364
…		…
119	}	366	}
120		367
121	void	368	void
122	rxvt_term::destroy_cb (time_watcher &w)	369	rxvt_term::destroy_cb (time_watcher &w)
123	{	370	{
124	SET_R (this);	371	make_current ();
125		372
126	delete this;	373	delete this;
127	}
128
129	/*----------------------------------------------------------------------*/
130	/* rxvt_init() */
131	/* LIBPROTO */
132	rxvt_t
133	rxvt_init (int argc, const char *const *argv)
134	{
135	SET_R (new rxvt_term);
136	dR;
137
138	if (!R->init_vars () || !R->init (argc, argv))
139	{
140	delete R;
141	return NULL;
142	}
143
144	return R;
145	}
146
147	/* EXTPROTO */
148	void
149	rxvt_init_signals ()
150	{
151	/* install exit handler for cleanup */
152	#if 0
153	#ifdef HAVE_ATEXIT
154	atexit(rxvt_clean_exit);
155	#else
156	#endif
157	#endif
158
159	struct sigaction sa;
160
161	sigfillset (&sa.sa_mask);
162	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
163	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
164	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
165	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
166	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
167	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
168	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
169
170	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
171	/* signal (SIGURG, SIG_DFL); */
172
173	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
174	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
175	}
176
177	bool
178	rxvt_term::init (int argc, const char *const *argv)
179	{
180	dR;//TODO (scrollbar, setidle)
181
182	/*
183	* Save and then give up any super-user privileges
184	* If we need privileges in any area then we must specifically request it.
185	* We should only need to be root in these cases:
186	* 1. write utmp entries on some systems
187	* 2. chown tty on some systems
188	*/
189	rxvt_privileges (this, SAVE);
190	rxvt_privileges (this, IGNORE);
191
192	rxvt_init_secondary (this);
193
194	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
195
196	#if (MENUBAR_MAX)
197	rxvt_menubar_read (this, rs[Rs_menu]);
198	#endif
199	#ifdef HAVE_SCROLLBARS
200	if (Options & Opt_scrollBar)
201	scrollbar_setIdle (); /* set existence for size calculations */
202	#endif
203
204	rxvt_Create_Windows (this, argc, argv);
205
206	rxvt_init_xlocale (this);
207
208	rxvt_scr_reset (this); /* initialize screen */
209	#ifdef RXVT_GRAPHICS
210	rxvt_Gr_reset (this); /* reset graphics */
211	#endif
212
213	#if 0
214	#ifdef DEBUG_X
215	XSynchronize(Xdisplay, True);
216	#endif
217	#endif
218
219	#ifdef HAVE_SCROLLBARS
220	if (Options & Opt_scrollBar)
221	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
222	#endif
223	#if (MENUBAR_MAX)
224	if (menubar_visible(r))
225	XMapWindow (Xdisplay, menuBar.win);
226	#endif
227	#ifdef TRANSPARENT
228	if (Options & Opt_transparent)
229	{
230	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
231	rxvt_check_our_parents (this);
232	}
233	#endif
234	XMapWindow (Xdisplay, TermWin.vt);
235	XMapWindow (Xdisplay, TermWin.parent[0]);
236
237	rxvt_init_env (this);
238	rxvt_init_command (this, cmd_argv);
239
240	x_ev.start (Xfd, EVENT_READ);
241	pty_ev.start (cmd_fd, EVENT_READ);
242
243	check_ev.start ();
244
245	process_x_events ();
246
247	return true;
248	}
249
250	/* ------------------------------------------------------------------------- *
251	* SIGNAL HANDLING & EXIT HANDLER *
252	* ------------------------------------------------------------------------- */
253	/*
254	* Catch a SIGCHLD signal and exit if the direct child has died
255	*/
256	/* ARGSUSED */
257	/* EXTPROTO */
258	RETSIGTYPE
259	rxvt_Child_signal(int sig __attribute__ ((unused)))
260	{
261	int pid, save_errno = errno;
262	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
263	;
264	errno = save_errno;
265
266	#if 0
267	if (pid == R->cmd_pid)
268	exit (EXIT_SUCCESS);
269	#endif
270	}
271
272	/*
273	* Catch a fatal signal and tidy up before quitting
274	*/
275	/* EXTPROTO */
276	RETSIGTYPE
277	rxvt_Exit_signal(int sig)
278	{
279	signal(sig, SIG_DFL);
280	#ifdef DEBUG_CMD
281	rxvt_print_error("signal %d", sig);
282	#endif
283	rxvt_clean_exit();
284	kill(getpid(), sig);
285	}
286
287	/* ARGSUSED */
288	/* INTPROTO */
289	int
290	rxvt_xerror_handler(const Display * display
291	__attribute__ ((unused)), const XErrorEvent * event)
292	{
293	dR;
294
295	if (R->allowedxerror == -1)
296	R->allowedxerror = event->error_code;
297	else
298	{
299	rxvt_print_error("XError: Request: %d . %d, Error: %d",
300	event->request_code, event->minor_code,
301	event->error_code);
302
303	R->destroy ();
304	}
305
306	return 0;
307	}	374	}
308		375
309	/*----------------------------------------------------------------------*/	376	/*----------------------------------------------------------------------*/
310	/*	377	/*
311	* Exit gracefully, clearing the utmp entry and restoring tty attributes	378	* Exit gracefully, clearing the utmp entry and restoring tty attributes
312	* 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
313	*/	380	*/
314	/* 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 BG_IMAGE_FROM_FILE
		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	*/
315	void	593	void
316	rxvt_clean_exit ()	594	sig_term (sig_watcher &w)
317	{	595	{
318	dR;	596	rxvt_emergency_cleanup ();
		597	signal (w.signum, SIG_DFL);
		598	kill (getpid (), w.signum);
		599	}
319		600
320	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 ();
321	}	631	}
322		632
323	/* ------------------------------------------------------------------------- *	633	/* ------------------------------------------------------------------------- *
324	* MEMORY ALLOCATION WRAPPERS *	634	* MEMORY ALLOCATION WRAPPERS *
325	* ------------------------------------------------------------------------- */	635	* ------------------------------------------------------------------------- */
326	/* EXTPROTO */	636	void *
327	void *
328	rxvt_malloc(size_t size)	637	rxvt_malloc (size_t size)
329	{	638	{
330	void *p;
331
332	p = malloc(size);	639	void *p = malloc (size);
		640
333	if (p)	641	if (!p)
		642	rxvt_fatal ("memory allocation failure. aborting.\n");
		643
334	return p;	644	return p;
335
336	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
337	rxvt_clean_exit();
338	exit(EXIT_FAILURE);
339	/* NOTREACHED */
340	}	645	}
341		646
342	/* EXTPROTO */	647	void *
343	void *
344	rxvt_calloc(size_t number, size_t size)	648	rxvt_calloc (size_t number, size_t size)
345	{	649	{
346	void *p;
347
348	p = calloc(number, size);	650	void *p = calloc (number, size);
		651
349	if (p)	652	if (!p)
		653	rxvt_fatal ("memory allocation failure. aborting.\n");
		654
350	return p;	655	return p;
351
352	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
353	rxvt_clean_exit();
354	exit(EXIT_FAILURE);
355	/* NOTREACHED */
356	}	656	}
357		657
358	/* EXTPROTO */	658	void *
359	void *
360	rxvt_realloc(void *ptr, size_t size)	659	rxvt_realloc (void *ptr, size_t size)
361	{	660	{
362	void *p;
363
364	if (ptr)
365	p = realloc(ptr, size);	661	void *p = realloc (ptr, size);
366	else	662
367	p = malloc(size);
368	if (p)	663	if (!p)
		664	rxvt_fatal ("memory allocation failure. aborting.\n");
		665
369	return p;	666	return p;
370
371	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
372	rxvt_clean_exit();
373	exit(EXIT_FAILURE);
374	/* NOTREACHED */
375	}	667	}
376
377	/* ------------------------------------------------------------------------- *
378	* PRIVILEGED OPERATIONS *
379	* ------------------------------------------------------------------------- */
380	/* take care of suid/sgid super-user (root) privileges */
381	/* INTPROTO */
382	void
383	rxvt_privileges(pR_ int mode)
384	{
385	#if ! defined(__CYGWIN32__)
386	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
387	/* setreuid() is the poor man's setuid(), seteuid() */
388	# define seteuid(a) setreuid(-1, (a))
389	# define setegid(a) setregid(-1, (a))
390	# define HAVE_SETEUID
391	# endif
392	# ifdef HAVE_SETEUID
393	switch (mode) {
394	case IGNORE:
395	/*
396	* change effective uid/gid - not real uid/gid - so we can switch
397	* back to root later, as required
398	*/
399	seteuid(getuid());
400	setegid(getgid());
401	break;
402	case SAVE:
403	R->euid = geteuid();
404	R->egid = getegid();
405	break;
406	case RESTORE:
407	seteuid(R->euid);
408	setegid(R->egid);
409	break;
410	}
411	# else
412	switch (mode) {
413	case IGNORE:
414	setuid(getuid());
415	setgid(getgid());
416	/* FALLTHROUGH */
417	case SAVE:
418	/* FALLTHROUGH */
419	case RESTORE:
420	break;
421	}
422	# endif
423	#endif
424	}
425
426	#ifdef UTMP_SUPPORT
427	/* EXTPROTO */
428	void
429	rxvt_privileged_utmp(pR_ char action)
430	{
431	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
432	action, R->next_utmp_action, getpid()));
433	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
434	|| (R->Options & Opt_utmpInhibit)
435	|| R->ttydev == NULL || *R->ttydev == '\0')
436	return;
437
438	rxvt_privileges(aR_ RESTORE);
439	if (action == SAVE) {
440	R->next_utmp_action = RESTORE;
441	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
442	} else { /* action == RESTORE */
443	R->next_utmp_action = IGNORE;
444	rxvt_cleanutent(aR);
445	}
446	rxvt_privileges(aR_ IGNORE);
447	}
448	#endif
449
450	#ifndef NO_SETOWNER_TTYDEV
451	/* EXTPROTO */
452	void
453	rxvt_privileged_ttydev(pR_ char action)
454	{
455	D_MAIN((stderr,
456	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
457	action, R->next_tty_action, getpid()));
458	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
459	|| R->ttydev == NULL || *R->ttydev == '\0')
460	return;
461
462	rxvt_privileges(aR_ RESTORE);
463
464	if (action == SAVE) {
465	R->next_tty_action = RESTORE;
466	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
467	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
468	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
469	R->next_tty_action = IGNORE;
470	else
471	# endif
472	{
473	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
474	chmod(R->ttydev, R->ttymode);
475	# ifdef HAVE_REVOKE
476	revoke(R->ttydev);
477	# endif
478	}
479	} else { /* action == RESTORE */
480	R->next_tty_action = IGNORE;
481	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
482	chmod(R->ttydev, R->ttyfd_stat.st_mode);
483	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
484	# else
485	chmod(R->ttydev,
486	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
487	chown(R->ttydev, 0, 0);
488	# endif
489	}
490
491	rxvt_privileges(aR_ IGNORE);
492
493	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
494	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
495	action == RESTORE ? "Restoring" : (action ==
496	SAVE ? "Saving" :
497	"UNKNOWN ERROR for"), R->ttydev,
498	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
499	R->ttyfd_stat.st_gid));
500	# endif
501	}
502	#endif
503		668
504	/*----------------------------------------------------------------------*/	669	/*----------------------------------------------------------------------*/
505	/*	670	/*
506	* window size/position calculcations for XSizeHint and other storage.	671	* window size/position calculations for XSizeHint and other storage.
507	* if width/height are non-zero then override calculated width/height	672	* if width/height are non-zero then override calculated width/height
508	*/	673	*/
509	/* EXTPROTO */
510	void	674	void
511	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	675	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
512	{	676	{
513	short recalc_x, recalc_y;	677	short recalc_x, recalc_y;
514	int x, y, sb_w, mb_h, flags;	678	int x, y, sb_w, flags;
515	unsigned int w, h;	679	unsigned int w, h;
516	unsigned int max_width, max_height;	680	unsigned int max_width, max_height;
517		681
518	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
519	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
520	R->szHint.height));
521	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	682	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
522	R->szHint.win_gravity = NorthWestGravity;	683	szHint.win_gravity = NorthWestGravity;
523	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	684	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
524		685
525	recalc_x = recalc_y = 0;	686	recalc_x = recalc_y = 0;
526	flags = 0;	687	flags = 0;
		688
527	if (!R->parsed_geometry) {	689	if (!parsed_geometry)
		690	{
528	R->parsed_geometry = 1;	691	parsed_geometry = 1;
		692
529	if (R->rs[Rs_geometry])	693	if (rs[Rs_geometry])
530	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	694	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		695
531	if (flags & WidthValue) {	696	if (flags & WidthValue)
532	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	697	{
		698	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
533	R->szHint.flags |= USSize;	699	szHint.flags |= USSize;
534	}	700	}
		701
535	if (flags & HeightValue) {	702	if (flags & HeightValue)
536	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	703	{
		704	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
537	R->szHint.flags |= USSize;	705	szHint.flags |= USSize;
538	}	706	}
		707
539	if (flags & XValue) {	708	if (flags & XValue)
		709	{
540	R->szHint.x = x;	710	szHint.x = x;
541	R->szHint.flags |= USPosition;	711	szHint.flags |= USPosition;
		712
542	if (flags & XNegative) {	713	if (flags & XNegative)
		714	{
543	recalc_x = 1;	715	recalc_x = 1;
544	R->szHint.win_gravity = NorthEastGravity;	716	szHint.win_gravity = NorthEastGravity;
545	}	717	}
546	}	718	}
		719
547	if (flags & YValue) {	720	if (flags & YValue)
		721	{
548	R->szHint.y = y;	722	szHint.y = y;
549	R->szHint.flags |= USPosition;	723	szHint.flags |= USPosition;
		724
550	if (flags & YNegative) {	725	if (flags & YNegative)
		726	{
551	recalc_y = 1;	727	recalc_y = 1;
		728
552	if (R->szHint.win_gravity == NorthEastGravity)	729	if (szHint.win_gravity == NorthEastGravity)
553	R->szHint.win_gravity = SouthEastGravity;	730	szHint.win_gravity = SouthEastGravity;
554	else	731	else
555	R->szHint.win_gravity = SouthWestGravity;	732	szHint.win_gravity = SouthWestGravity;
556	}	733	}
557	}	734	}
558	}	735	}
		736
559	/* TODO: BOUNDS */	737	/* TODO: BOUNDS */
560	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	738	width = ncol * fwidth;
561	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	739	height = nrow * fheight;
562	max_width = MAX_COLS * R->TermWin.fwidth;	740	max_width = MAX_COLS * fwidth;
563	max_height = MAX_ROWS * R->TermWin.fheight;	741	max_height = MAX_ROWS * fheight;
564		742
565	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	743	szHint.base_width = szHint.base_height = 2 * int_bwidth;
566		744
567	sb_w = mb_h = 0;	745	sb_w = 0;
568	R->window_vt_x = R->window_vt_y = 0;	746	window_vt_x = window_vt_y = int_bwidth;
569	if (scrollbar_visible(R)) {	747
		748	if (scrollBar.state)
		749	{
570	sb_w = scrollbar_TotalWidth();	750	sb_w = scrollbar_TotalWidth ();
571	R->szHint.base_width += sb_w;	751	szHint.base_width += sb_w;
		752
572	if (!(R->Options & Opt_scrollBar_right))	753	if (!option (Opt_scrollBar_right))
573	R->window_vt_x = sb_w;	754	window_vt_x += sb_w;
574	}	755	}
575	if (menubar_visible(R)) {	756
576	mb_h = menuBar_TotalHeight();
577	R->szHint.base_height += mb_h;
578	R->window_vt_y = mb_h;
579	}
580	R->szHint.width_inc = R->TermWin.fwidth;	757	szHint.width_inc = fwidth;
581	R->szHint.height_inc = R->TermWin.fheight;	758	szHint.height_inc = fheight;
582	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	759	szHint.min_width = szHint.base_width + szHint.width_inc;
583	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	760	szHint.min_height = szHint.base_height + szHint.height_inc;
584		761
585	if (width && width - R->szHint.base_width < max_width) {	762	if (newwidth && newwidth - szHint.base_width < max_width)
		763	{
586	R->szHint.width = width;	764	szHint.width = newwidth;
587	R->TermWin.width = width - R->szHint.base_width;	765	width = newwidth - szHint.base_width;
588	} else {	766	}
589	MIN_IT(R->TermWin.width, max_width);	767	else
		768	{
		769	min_it (width, max_width);
590	R->szHint.width = R->szHint.base_width + R->TermWin.width;	770	szHint.width = szHint.base_width + width;
591	}	771	}
		772
592	if (height && height - R->szHint.base_height < max_height) {	773	if (newheight && newheight - szHint.base_height < max_height)
		774	{
593	R->szHint.height = height;	775	szHint.height = newheight;
594	R->TermWin.height = height - R->szHint.base_height;	776	height = newheight - szHint.base_height;
595	} else {	777	}
596	MIN_IT(R->TermWin.height, max_height);	778	else
		779	{
		780	min_it (height, max_height);
597	R->szHint.height = R->szHint.base_height + R->TermWin.height;	781	szHint.height = szHint.base_height + height;
598	}	782	}
		783
599	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	784	if (scrollBar.state && option (Opt_scrollBar_right))
600	R->window_sb_x = R->szHint.width - sb_w;	785	window_sb_x = szHint.width - sb_w;
601		786
602	if (recalc_x)	787	if (recalc_x)
603	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	788	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
604	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	789
605	if (recalc_y)	790	if (recalc_y)
606	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	791	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
607	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
608		792
609	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	793	ncol = width / fwidth;
610	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	794	nrow = height / fheight;
611	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
612	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
613	R->szHint.height));
614	return;
615	}	795	}
616		796
617	/*----------------------------------------------------------------------*/	797	/*----------------------------------------------------------------------*/
618	/*	798	/*
619	* Tell the teletype handler what size the window is.	799	* Tell the teletype handler what size the window is.
620	* Called after a window size change.	800	* Called after a window size change.
621	*/	801	*/
622	void	802	void
623	rxvt_term::tt_winch ()	803	rxvt_term::tt_winch ()
624	{	804	{
625	struct winsize ws;	805	if (pty->pty < 0)
626
627	if (cmd_fd < 0)
628	return;	806	return;
629		807
		808	struct winsize ws;
		809
630	ws.ws_col = TermWin.ncol;	810	ws.ws_col = ncol;
631	ws.ws_row = TermWin.nrow;	811	ws.ws_row = nrow;
632	ws.ws_xpixel = ws.ws_ypixel = 0;	812	ws.ws_xpixel = width;
633	#ifndef DEBUG_SIZE	813	ws.ws_ypixel = height;
634	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	814	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
635	#else	815
636	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	816	#if 0
637	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	817	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
638	# ifdef SIGWINCH
639	else if (cmd_pid) /* force through to the command */	818	if (cmd_pid) /* force through to the command */
640	kill (cmd_pid, SIGWINCH);	819	kill (-cmd_pid, SIGWINCH);
641	# endif
642	#endif	820	#endif
643	}	821	}
644		822
645	/*----------------------------------------------------------------------*/	823	/*----------------------------------------------------------------------*/
646	/* rxvt_change_font() - Switch to a new font */	824	/* set_fonts () - load and set the various fonts
647	/*	825	*
648	* init = 1 - initialize	826	* init = 1 - initialize
649	*	827	*
650	* fontname == FONT_UP - switch to bigger font	828	* fontname == FONT_UP - switch to bigger font
651	* fontname == FONT_DN - switch to smaller font	829	* fontname == FONT_DN - switch to smaller font
652	*/	830	*/
653	/* EXTPROTO */	831	bool
654	void	832	rxvt_term::set_fonts ()
655	rxvt_change_font(pR_ int init, const char *fontname)
656	{	833	{
657	}	834	rxvt_fontset *fs = new rxvt_fontset (this);
		835	rxvt_fontprop prop;
658		836
659	/* INTPROTO */	837	if (!fs
660	void	838	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
661	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)
662	{	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);
663	}	924	}
664		925
665	/*----------------------------------------------------------------------*/	926	/*----------------------------------------------------------------------*/
666	/*----------------------------------------------------------------------*/	927	/*----------------------------------------------------------------------*/
667	/* xterm sequences - title, iconName, color (exptl) */	928	/* xterm sequences - title, iconName, color (exptl) */
668	/* EXTPROTO */
669	void	929	void
670	rxvt_set_title(pR_ const char *str)	930	rxvt_term::set_title (const char *str)
671	{	931	{
672	#ifndef SMART_WINDOW_TITLE	932	set_string_property (XA_WM_NAME, str);
673	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
674	#else	999	#else
675	char *name;
676
677	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
678	name = NULL;
679	if (name == NULL || STRCMP(name, str))
680	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
681	if (name)
682	XFree(name);
683	#endif
684	}
685
686	/* EXTPROTO */
687	void
688	rxvt_set_iconName(pR_ const char *str)
689	{
690	#ifndef SMART_WINDOW_TITLE
691	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
692	#else
693	char *name;
694
695	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
696	name = NULL;
697	if (name == NULL || STRCMP(name, str))
698	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
699	if (name)
700	XFree(name);
701	#endif
702	}
703
704	#ifdef XTERM_COLOR_CHANGE
705	/* EXTPROTO */
706	void
707	rxvt_set_window_color(pR_ int idx, const char *color)
708	{
709	rxvt_color xcol;
710	int i;
711
712	if (color == NULL || *color == '\0')
713	return;
714
715	/* handle color aliases */
716	if (isdigit(*color)) {
717	i = atoi(color);
718	if (i >= 8 && i <= 15) { /* bright colors */
719	i -= 8;
720	# ifndef NO_BRIGHTCOLOR
721	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
722	SET_PIXCOLOR(R, idx);
723	goto Done;
724	# endif
725	}
726	if (i >= 0 && i <= 7) { /* normal colors */
727	R->PixColors[idx] = R->PixColors[minCOLOR + i];
728	SET_PIXCOLOR(R, idx);
729	goto Done;
730	}
731	}
732	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
733	return;
734	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
735
736	/*
737	* FIXME: should free colors here, but no idea how to do it so instead,
738	* so just keep gobbling up the colormap
739	*/
740	# if 0
741	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[idx] == R->PixColors[i])
743	break;
744	if (i > Color_White) {
745	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
746	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
747	DisplayPlanes(R->Xdisplay, Xscreen));
748	}
749	# endif
750
751	R->PixColors[idx] = xcol;
752	SET_PIXCOLOR(R, idx);
753
754	/* XSetWindowAttributes attr; */
755	/* Cursor cursor; */
756	Done:
757	if (idx == Color_bg && !(R->Options & Opt_transparent))
758	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
759	R->PixColors[Color_bg]);
760
761	/* handle Color_BD, scrollbar background, etc. */
762
763	rxvt_set_colorfgbg(aR);
764	rxvt_recolour_cursor(aR);
765	/* the only reasonable way to enforce a clean update */
766	rxvt_scr_poweron(aR);
767	}
768
769	#else
770	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	1000	# define set_window_color (idx,color) ((void)0)
771	#endif /* XTERM_COLOR_CHANGE */	1001	#endif /* XTERM_COLOR_CHANGE */
772		1002
773	/* EXTPROTO */
774	void	1003	void
775	rxvt_recolour_cursor(pR)	1004	rxvt_term::recolour_cursor ()
776	{	1005	{
777	rxvt_color xcol[2];	1006	XColor fg, bg;
778		1007
779	#if TODO	1008	(ISSET_PIXCOLOR (Color_pointer_fg)
780	xcol[0] = R->PixColors[Color_pointer];	1009	? pix_colors_focused[Color_pointer_fg]
781	xcol[1] = R->PixColors[Color_bg];	1010	: pix_colors_focused[Color_fg]).get (fg);
782	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1011
783	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1012	(ISSET_PIXCOLOR (Color_pointer_bg)
784	#endif	1013	? pix_colors_focused[Color_pointer_bg]
		1014	: pix_colors_focused[Color_bg]).get (bg);
		1015
		1016	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
785	}	1017	}
786		1018
787	/*----------------------------------------------------------------------*/	1019	/*----------------------------------------------------------------------*/
788	/*	1020	/*
789	* 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
790	*/	1022	*/
791	/* INTPROTO */
792	void	1023	void
793	rxvt_set_colorfgbg(pR)	1024	rxvt_term::set_colorfgbg ()
794	{	1025	{
795	unsigned int i;	1026	unsigned int i;
796	const char *xpmb = "\0";	1027	const char *xpmb = "\0";
797	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1028	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
798		1029
799	R->env_colorfgbg =	1030	strcpy (fstr, "default");
800	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1031	strcpy (bstr, "default");
801	STRCPY(fstr, "default");
802	STRCPY(bstr, "default");
803	for (i = Color_Black; i <= Color_White; i++)	1032	for (i = Color_Black; i <= Color_White; i++)
804	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1033	if (pix_colors[Color_fg] == pix_colors[i])
		1034	{
805	sprintf(fstr, "%d", (i - Color_Black));	1035	sprintf (fstr, "%d", (i - Color_Black));
806	break;	1036	break;
807	}	1037	}
		1038
808	for (i = Color_Black; i <= Color_White; i++)	1039	for (i = Color_Black; i <= Color_White; i++)
809	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1040	if (pix_colors[Color_bg] == pix_colors[i])
		1041	{
810	sprintf(bstr, "%d", (i - Color_Black));	1042	sprintf (bstr, "%d", (i - Color_Black));
811	#ifdef XPM_BACKGROUND	1043	#ifdef BG_IMAGE_FROM_FILE
812	xpmb = "default;";	1044	xpmb = "default;";
813	#endif	1045	#endif
814	break;	1046	break;
815	}	1047	}
		1048
816	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1049	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
817	putenv(R->env_colorfgbg);
818
819	#ifndef NO_BRIGHTCOLOR
820	R->colorfgbg = DEFAULT_RSTYLE;
821	for (i = minCOLOR; i <= maxCOLOR; i++) {
822	if (R->PixColors[Color_fg] == R->PixColors[i])
823	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
824	if (R->PixColors[Color_bg] == R->PixColors[i])
825	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
826	}
827	#endif
828	}	1050	}
829		1051
830	/*----------------------------------------------------------------------*/	1052	/*----------------------------------------------------------------------*/
831	/*
832	* Colour determination for low colour displays, routine from
833	* Hans de Goede <hans@highrise.nl>
834	*/
835		1053
836	/* EXTPROTO */	1054	bool
837	int	1055	rxvt_term::set_color (rxvt_color &color, const char *name)
838	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
839	{	1056	{
840	screen_in_out->set(aR_ colour);	1057	if (color.set (this, name))
841
842	if (!screen_in_out->set(aR_ colour)) {
843	rxvt_print_error("can't allocate colour: %s", colour);
844	return false;
845	}
846
847	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]);
848	}	1068	}
849		1069
850	/* -------------------------------------------------------------------- *	1070	/* -------------------------------------------------------------------- *
851	* - WINDOW RESIZING - *	1071	* - WINDOW RESIZING - *
852	* -------------------------------------------------------------------- */	1072	* -------------------------------------------------------------------- */
853	/* EXTPROTO */
854	void	1073	void
855	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)
856	int ignoreparent)
857	{	1075	{
858	int fix_screen;	1076	int fix_screen;
		1077	int old_width = szHint.width;
		1078	int old_height = szHint.height;
859		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	{
860	#ifdef SMART_RESIZE	1087	#ifdef SMART_RESIZE
861	int old_width = R->szHint.width, old_height = R->szHint.height;	1088	/*
862	#endif
863
864	rxvt_window_calc(aR_ width, height);
865	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
866	if (!ignoreparent) {
867	#ifdef SMART_RESIZE
868	/*
869	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1089	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
870	* reposition window on resize depending on placement on screen	1090	* reposition window on resize depending on placement on screen
871	*/	1091	*/
872	int x, y, x1, y1;	1092	int x, y, x1, y1;
873	int dx, dy;	1093	int dx, dy;
874	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1094	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
875	Window unused_cr;	1095	Window unused_cr;
876		1096
877	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1097	XTranslateCoordinates (dpy, parent[0], display->root,
878	0, 0, &x, &y, &unused_cr);	1098	0, 0, &x, &y, &unused_cr);
879	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1099	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
880	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1100	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
881	/*	1101	/*
882	* 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
883	* our position for handles and decorations. Counter it	1103	* our position for handles and decorations. Counter it
884	*/	1104	*/
885	if (x1 != x || y1 != y) {	1105	if (x1 != x || y1 != y)
		1106	{
886	x -= x1;	1107	x -= x1;
887	y -= y1;	1108	y -= y1;
888	}	1109	}
889		1110
890	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1111	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
891	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1112	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
892	dx = old_width - R->szHint.width;	1113	dx = old_width - szHint.width;
893	dy = old_height - R->szHint.height;	1114	dy = old_height - szHint.height;
894		1115
895	/* Check position of the center of the window */	1116	/* Check position of the center of the window */
896	if (x < x1) /* left half */	1117	if (x < x1) /* left half */
897	dx = 0;	1118	dx = 0;
898	else if (x == x1) /* exact center */	1119	else if (x == x1) /* exact center */
899	dx /= 2;	1120	dx /= 2;
900	if (y < y1) /* top half */	1121	if (y < y1) /* top half */
901	dy = 0;	1122	dy = 0;
902	else if (y == y1) /* exact center */	1123	else if (y == y1) /* exact center */
903	dy /= 2;	1124	dy /= 2;
904		1125
905	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1126	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
906	R->szHint.width, R->szHint.height);	1127	szHint.width, szHint.height);
907	#else	1128	#else
908	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1129	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
909	R->szHint.height);
910	#endif	1130	#endif
911	}	1131	}
912		1132
913	fix_screen = (R->TermWin.ncol != R->prev_ncol	1133	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
914	|| R->TermWin.nrow != R->prev_nrow);	1134
915	if (fix_screen || width != R->old_width || height != R->old_height) {	1135	if (fix_screen || newwidth != old_width || newheight != old_height)
916	if (scrollbar_visible(R)) {	1136	{
		1137	if (scrollBar.state)
		1138	{
917	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1139	XMoveResizeWindow (dpy, scrollBar.win,
		1140	window_sb_x, 0,
918	0, scrollbar_TotalWidth(), R->szHint.height);	1141	scrollbar_TotalWidth (), szHint.height);
919	rxvt_Resize_scrollBar(aR);	1142	resize_scrollbar ();
920	}	1143	}
921	if (menubar_visible(R))	1144
922	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1145	XMoveResizeWindow (dpy, vt,
923	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1146	window_vt_x, window_vt_y,
924	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
925	R->window_vt_y, TermWin_TotalWidth(),
926	TermWin_TotalHeight());	1147	width, height);
927	#ifdef RXVT_GRAPHICS	1148
928	if (R->old_height)	1149	#ifdef HAVE_BG_PIXMAP
929	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,	1150	if (bgPixmap.window_size_sensitive ())
930	R->old_height - R->szHint.base_height);	1151	update_background ();
931	#endif	1152	#endif
		1153
932	rxvt_scr_clear(aR);	1154	scr_clear ();
933	#ifdef XPM_BACKGROUND
934	rxvt_resize_pixmap(aR);
935	#endif
936	}	1155	}
937		1156
938	if (fix_screen || R->old_height == 0) {	1157	if (fix_screen || old_height == 0)
939	int curr_screen = -1;	1158	scr_reset ();
940	uint16_t old_ncol = R->prev_ncol;
941		1159
942	/* scr_reset only works on the primary screen */	1160	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
943	if (R->old_height) /* this is not the first time through */	1161	//scr_touch (false);
944	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
945	rxvt_scr_reset(aR);
946	if (curr_screen >= 0) { /* this is not the first time through */
947	rxvt_scr_change_screen(aR_ curr_screen);
948	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
949	}
950	}
951		1162
952	R->old_width = R->szHint.width;	1163	#ifdef HAVE_BG_PIXMAP
953	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
954		1168
955	#ifdef USE_XIM	1169	#ifdef USE_XIM
956	rxvt_IMSetStatusPosition(aR);	1170	IMSetPosition ();
957	#endif	1171	#endif
958	}	1172	}
959		1173
960	/*	1174	/*
961	* 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.
962	* good for toggling 80/132 columns	1176	* good for toggling 80/132 columns
963	*/	1177	*/
964	/* EXTPROTO */
965	void	1178	void
966	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1179	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
967	{	1180	{
968	XWindowAttributes wattr;	1181	XWindowAttributes wattr;
969		1182
970	if (width == 0 || height == 0) {	1183	if (newwidth == 0 || newheight == 0)
		1184	{
971	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1185	XGetWindowAttributes (dpy, display->root, &wattr);
		1186
972	if (width == 0)	1187	if (newwidth == 0)
973	width = wattr.width - R->szHint.base_width;	1188	newwidth = wattr.width - szHint.base_width;
974	if (height == 0)	1189	if (newheight == 0)
975	height = wattr.height - R->szHint.base_height;	1190	newheight = wattr.height - szHint.base_height;
		1191	}
		1192
		1193	if (newwidth != width || newheight != height)
976	}	1194	{
977	if (width != R->TermWin.width || height != R->TermWin.height) {
978	width += R->szHint.base_width;	1195	newwidth += szHint.base_width;
979	height += R->szHint.base_height;	1196	newheight += szHint.base_height;
980	rxvt_resize_all_windows(aR_ width, height, 0);	1197	resize_all_windows (newwidth, newheight, 0);
981	}	1198	}
982	}	1199	}
983		1200
984	/* -------------------------------------------------------------------- *	1201	/* -------------------------------------------------------------------- *
985	* - X INPUT METHOD ROUTINES - *	1202	* - X INPUT METHOD ROUTINES - *
986	* -------------------------------------------------------------------- */	1203	* -------------------------------------------------------------------- */
987	#ifdef USE_XIM	1204	#ifdef USE_XIM
988	/* INTPROTO */
989	void
990	rxvt_setSize(pR_ XRectangle * size)
991	{
992	size->x = R->TermWin.int_bwidth;
993	size->y = R->TermWin.int_bwidth;
994	size->width = Width2Pixel(R->TermWin.ncol);
995	size->height = Height2Pixel(R->TermWin.nrow);
996	}
997		1205
998	/* INTPROTO */
999	void	1206	void
1000	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1207	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1001	{	1208	{
1002	*fg = R->PixColors[Color_fg];	1209	fg = pix_colors [Color_fg];
1003	*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;
1004	}	1237	}
1005		1238
1006	/* Checking whether input method is running. */	1239	/* Checking whether input method is running. */
1007	/* INTPROTO */
1008	Bool	1240	bool
1009	rxvt_IMisRunning(pR)	1241	rxvt_term::IMisRunning ()
1010	{	1242	{
1011	char *p;	1243	char *p;
1012	Atom atom;	1244	Atom atom;
1013	Window win;	1245	Window win;
1014	char server[IMBUFSIZ];	1246	char server[IMBUFSIZ];
1015		1247
1016	/* get current locale modifier */	1248	/* get current locale modifier */
1017	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1249	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1250	{
1018	STRCPY(server, "@server=");	1251	strcpy (server, "@server=");
1019	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1252	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1253
1020	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1254	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1021	*p = '\0';	1255	*p = '\0';
1022		1256
1023	atom = XInternAtom(R->Xdisplay, server, False);	1257	atom = XInternAtom (dpy, server, False);
1024	win = XGetSelectionOwner(R->Xdisplay, atom);	1258	win = XGetSelectionOwner (dpy, atom);
		1259
1025	if (win != None)	1260	if (win != None)
1026	return True;	1261	return True;
1027	}	1262	}
		1263
1028	return False;	1264	return False;
1029	}	1265	}
1030		1266
1031	/* EXTPROTO */
1032	void	1267	void
1033	rxvt_IMSendSpot(pR)	1268	rxvt_term::IMSendSpot ()
1034	{	1269	{
1035	XPoint spot;	1270	XPoint nspot;
1036	XVaNestedList preedit_attr;	1271	XVaNestedList preedit_attr;
1037		1272
1038	if (R->Input_Context == NULL	1273	if (!Input_Context
1039	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1274	|| !focus
1040	|| !(R->event_type == KeyPress	1275	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1041	|| R->event_type == Expose
1042	|| R->event_type == NoExpose
1043	|| R->event_type == SelectionNotify
1044	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1045	|| !rxvt_IMisRunning(aR))
1046	return;	1276	return;
1047		1277
1048	rxvt_setPosition(aR_ & spot);	1278	im_set_position (nspot);
1049		1279
		1280	if (nspot.x == spot.x && nspot.y == spot.y)
		1281	return;
		1282
		1283	spot = nspot;
		1284
1050	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1285	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1051	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1286	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1052	XFree(preedit_attr);	1287	XFree (preedit_attr);
1053	}	1288	}
1054		1289
1055	/* EXTPROTO */
1056	void	1290	void
1057	rxvt_setTermFontSet(pR_ int idx)	1291	rxvt_term::im_destroy ()
1058	{	1292	{
1059	char *string;	1293	if (input_method)
1060	long length;	1294	{
1061	int success = 0;	1295	if (Input_Context && input_method->xim)
		1296	XDestroyIC (Input_Context);
1062		1297
1063	if (idx < 0 || idx >= MAX_NFONTS)	1298	display->put_xim (input_method);
1064	return;	1299	input_method = 0;
1065	}	1300	}
1066		1301
1067	/* INTPROTO */
1068	void
1069	rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1070	XRectangle * needed_rect)
1071	{
1072	int mbh, vtx = 0;
1073
1074	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1075	vtx = scrollbar_TotalWidth();
1076	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1077	mbh -= R->TermWin.lineSpace;
1078
1079	preedit_rect->x = needed_rect->width + vtx;
1080	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1081
1082	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1083	+ vtx;
1084	preedit_rect->height = Height2Pixel(1);
1085
1086	status_rect->x = vtx;
1087	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1088
1089	status_rect->width = needed_rect->width ? needed_rect->width
1090	: Width2Pixel(R->TermWin.ncol + 1);
1091	status_rect->height = Height2Pixel(1);
1092	}
1093
1094	/* ARGSUSED */
1095	/* INTPROTO */
1096	void
1097	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1098	__attribute__ ((unused)), XPointer call_data
1099	__attribute__ ((unused)))
1100	{
1101	dR;
1102
1103	R->Input_Context = NULL;	1302	Input_Context = 0;
1104	/* To avoid Segmentation Fault in C locale: Solaris only? */
1105	if (STRCMP(R->locale, "C"))
1106	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1107	rxvt_IMInstantiateCallback, NULL);
1108	}	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
1109		1378
1110	/*	1379	/*
1111	* 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
1112	* some think this is an XIDProc and others an XIMProc so we can't	1381	* open a suitable preedit type
1113	* use the first argument - need to update this to be nice for
1114	* both types via some sort of configure detection
1115	*/	1382	*/
1116	/* ARGSUSED */	1383	bool
1117	/* EXTPROTO */	1384	rxvt_term::IM_get_IC (const char *modifiers)
1118	void
1119	rxvt_IMInstantiateCallback(Display * unused
1120	__attribute__ ((unused)), XPointer client_data
1121	__attribute__ ((unused)), XPointer call_data
1122	__attribute__ ((unused)))
1123	{	1385	{
1124	dR;	1386	int i, j, found;
1125	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;
1126	const char *p;	1602	const char *p;
1127	char **s;	1603	char **s;
1128	char buf[IMBUFSIZ];	1604	char buf[IMBUFSIZ];
1129		1605
1130	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1606	make_current ();
		1607
		1608	im_destroy ();
		1609
1131	if (R->Input_Context)	1610	if (Input_Context)
1132	return;	1611	return;
1133		1612
		1613	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1614	if (rs[Rs_imLocale])
		1615	SET_LOCALE (rs[Rs_imLocale]);
		1616	#endif
		1617
1134	p = R->rs[Rs_inputMethod];	1618	p = rs[Rs_inputMethod];
1135	if (p && *p)	1619	if (p && *p)
1136	{	1620	{
1137	bool found = false;	1621	bool found = false;
1138		1622
1139	s = rxvt_splitcommastring (p);	1623	s = rxvt_splitcommastring (p);
		1624
1140	for (i = 0; s[i]; i++)	1625	for (i = 0; s[i]; i++)
1141	{	1626	{
1142	if (*s[i])	1627	if (*s[i])
1143	{	1628	{
1144	STRCPY (buf, "@im=");	1629	strcpy (buf, "@im=");
1145	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1630	strncat (buf, s[i], IMBUFSIZ - 5);
1146	if ((p = XSetLocaleModifiers (buf)) && *p	1631	if (IM_get_IC (buf))
1147	&& rxvt_IM_get_IC (aR))
1148	{	1632	{
1149	found = true;	1633	found = true;
1150	break;	1634	break;
1151	}	1635	}
1152	}	1636	}
1153	}	1637	}
1154	for (i = 0; s[i]; i++)	1638
1155	free(s[i]);	1639	rxvt_freecommastring (s);
1156	free(s);
1157		1640
1158	if (found)	1641	if (found)
1159	return;	1642	goto done;
1160	}	1643	}
1161		1644
1162	/* try with XMODIFIERS env. var. */	1645	/* try with XMODIFIERS env. var. */
1163	if ((p = XSetLocaleModifiers ("")) && *p	1646	if (IM_get_IC (""))
1164	&& rxvt_IM_get_IC (aR))	1647	goto done;
		1648
		1649	/* try with no modifiers base IF the user didn't specify an IM */
		1650	if (IM_get_IC ("@im=none"))
		1651	goto done;
		1652
		1653	done:
		1654	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1655	if (rs[Rs_imLocale])
		1656	SET_LOCALE (locale);
		1657	#endif
		1658	}
		1659
		1660	void
		1661	rxvt_term::IMSetPosition ()
		1662	{
		1663	XRectangle preedit_rect, status_rect, *needed_rect;
		1664	XVaNestedList preedit_attr, status_attr;
		1665
		1666	if (!Input_Context
		1667	|| !focus
		1668	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
		1669	|| !IMisRunning ())
1165	return;	1670	return;
1166		1671
1167	/* try with no modifiers base IF the user didn't specify an IM */
1168	if ((p = XSetLocaleModifiers ("@im=none")) && *p
1169	&& rxvt_IM_get_IC (aR) == True)
1170	return;
1171	}
1172
1173	/*
1174	* Try to open a XIM with the current modifiers, then see if we can
1175	* open a suitable preedit type
1176	*/
1177	/* INTPROTO */
1178	Bool
1179	rxvt_IM_get_IC(pR)
1180	{
1181	int i, j, found;
1182	XIM xim;
1183	XPoint spot;
1184	XRectangle rect, status_rect, needed_rect;
1185	unsigned long fg, bg;
1186	const char *p;
1187	char **s;
1188	XIMStyles *xim_styles;
1189	XVaNestedList preedit_attr, status_attr;
1190	XIMCallback ximcallback;
1191
1192	D_MAIN((stderr, "rxvt_IM_get_IC()"));
1193	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);
1194	if (xim == NULL)
1195	return False;
1196
1197	xim_styles = NULL;
1198	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)
1199	|| !xim_styles || !xim_styles->count_styles) {
1200	XCloseIM(xim);
1201	return False;
1202	}
1203
1204	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]
1205	: "OverTheSpot,OffTheSpot,Root";
1206	s = rxvt_splitcommastring(p);
1207	for (i = found = 0; !found && s[i]; i++) {
1208	if (!STRCMP(s[i], "OverTheSpot"))
1209	R->input_style = (XIMPreeditPosition | XIMStatusNothing);
1210	else if (!STRCMP(s[i], "OffTheSpot"))
1211	R->input_style = (XIMPreeditArea | XIMStatusArea);
1212	else if (!STRCMP(s[i], "Root"))
1213	R->input_style = (XIMPreeditNothing | XIMStatusNothing);
1214
1215	for (j = 0; j < xim_styles->count_styles; j++)
1216	if (R->input_style == xim_styles->supported_styles[j]) {
1217	found = 1;
1218	break;
1219	}
1220	}
1221	for (i = 0; s[i]; i++)
1222	free(s[i]);
1223	free(s);
1224	XFree(xim_styles);
1225
1226	if (!found) {
1227	XCloseIM(xim);
1228	return False;
1229	}
1230
1231	ximcallback.callback = rxvt_IMDestroyCallback;
1232
1233	/* XXX: not sure why we need this (as well as IC one below) */
1234	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1235
1236	preedit_attr = status_attr = NULL;
1237
1238	if (R->input_style & XIMPreeditPosition) {	1672	if (input_style & XIMPreeditPosition)
1239	rxvt_setSize(aR_ & rect);	1673	{
1240	rxvt_setPosition(aR_ & spot);	1674	im_set_size (preedit_rect);
1241	rxvt_setColor(aR_ & fg, &bg);
1242
1243	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1675	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1244	XNSpotLocation, &spot,
1245	XNForeground, fg, XNBackground, bg,
1246	//XNFontSet, R->TermWin.fontset,
1247	NULL);
1248	} else if (R->input_style & XIMPreeditArea) {
1249	rxvt_setColor(aR_ & fg, &bg);
1250
1251	/*
1252	* The necessary width of preedit area is unknown
1253	* until create input context.
1254	*/
1255	needed_rect.width = 0;
1256
1257	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1258
1259	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1260	XNForeground, fg, XNBackground, bg,
1261	//XNFontSet, R->TermWin.fontset,
1262	NULL);
1263	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1264	XNForeground, fg, XNBackground, bg,
1265	//XNFontSet, R->TermWin.fontset,
1266	NULL);
1267	}	1676
1268	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,	1677	XSetICValues (Input_Context,
1269	XNClientWindow, R->TermWin.parent[0],	1678	XNPreeditAttributes, preedit_attr, NULL);
1270	XNFocusWindow, R->TermWin.parent[0],	1679	}
1271	XNDestroyCallback, &ximcallback,	1680	else
1272	preedit_attr ? XNPreeditAttributes : NULL,
1273	preedit_attr,
1274	status_attr ? XNStatusAttributes : NULL,
1275	status_attr, NULL);
1276	if (preedit_attr)
1277	XFree(preedit_attr);
1278	if (status_attr)
1279	XFree(status_attr);
1280	if (R->Input_Context == NULL) {
1281	rxvt_print_error("failed to create input context");
1282	XCloseIM(xim);
1283	return False;
1284	}	1681	{
1285	if (R->input_style & XIMPreeditArea)
1286	rxvt_IMSetStatusPosition(aR);
1287	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1288	return True;
1289	}
1290
1291	/* EXTPROTO */
1292	void
1293	rxvt_IMSetStatusPosition(pR)
1294	{
1295	XRectangle preedit_rect, status_rect, *needed_rect;
1296	XVaNestedList preedit_attr, status_attr;
1297
1298	if (R->Input_Context == NULL
1299	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)
1300	|| !rxvt_IMisRunning(aR))
1301	return;
1302
1303	/* Getting the necessary width of preedit area */	1682	/* Getting the necessary width of preedit area */
1304	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1683	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1305	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1684	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1306	XFree(status_attr);	1685	XFree (status_attr);
1307		1686
1308	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1687	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1688	XFree (needed_rect);
1309		1689
1310	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1690	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1311	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1691	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1312		1692
1313	XSetICValues(R->Input_Context,	1693	XSetICValues (Input_Context,
1314	XNPreeditAttributes, preedit_attr,	1694	XNPreeditAttributes, preedit_attr,
1315	XNStatusAttributes, status_attr, NULL);	1695	XNStatusAttributes, status_attr,
		1696	NULL);
1316		1697
		1698	XFree (status_attr);
		1699	}
		1700
1317	XFree(preedit_attr);	1701	XFree (preedit_attr);
1318	XFree(status_attr);
1319	}	1702	}
1320	#endif /* USE_XIM */	1703	#endif /* USE_XIM */
1321		1704
1322	/*----------------------------------------------------------------------*/	1705	void
1323	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 */
1324		1763
1325	/*----------------------- end-of-file (C source) -----------------------*/	1764	/*----------------------- end-of-file (C source) -----------------------*/

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