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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.1 by pcg, Mon Nov 24 17:28:08 2003 UTC vs.
Revision 1.195 by root, Sun Jan 22 00:48:13 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.1 2003/11/24 17:28:08 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>
10	* - extensive modifications	9	* - extensive modifications
11	* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>	10	* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.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.
…		…
28	* You should have received a copy of the GNU General Public License	28	* You should have received a copy of the GNU General Public License
29	* along with this program; if not, write to the Free Software	29	* along with this program; if not, write to the Free Software
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
47	/*----------------------------------------------------------------------*/	51	vector<rxvt_term *> rxvt_term::termlist;
48	/* rxvt_init() */
49	/* LIBPROTO */
50	rxvt_t *
51	rxvt_init(int argc, const char *const *argv)
52	{
53	const char **cmd_argv;
54		52
55	SET_R ((rxvt_t *)rxvt_calloc(1, sizeof(rxvt_t)));	53	// used to tell global functions which terminal instance is "active"
		54	rxvt_t rxvt_current_term;
56		55
57	dR;	56	static char curlocale[128], savelocale[128];
58	if (rxvt_init_vars(aR) < 0) {	57
59	free(R);	58	bool
60	return NULL;	59	rxvt_set_locale (const char *locale) NOTHROW
		60	{
		61	if (!locale || !strncmp (locale, curlocale, 128))
		62	return false;
		63
		64	strncpy (curlocale, locale, 128);
		65	setlocale (LC_CTYPE, curlocale);
		66	return true;
		67	}
		68
		69	void
		70	rxvt_push_locale (const char *locale) NOTHROW
		71	{
		72	strcpy (savelocale, curlocale);
		73	rxvt_set_locale (locale);
		74	}
		75
		76	void
		77	rxvt_pop_locale () NOTHROW
		78	{
		79	rxvt_set_locale (savelocale);
		80	}
		81
		82	#if ENABLE_COMBINING
		83	class rxvt_composite_vec rxvt_composite;
		84
		85	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		86	{
		87	compose_char *cc;
		88
		89	// break compose chains, as stupid readline really likes to duplicate
		90	// composing characters for some reason near the end of a line.
		91	cc = (*this)[c1];
		92	while (cc)
61	}	93	{
		94	if (cc->c2 == c2) return c1;
		95	cc = (*this)[cc->c1];
		96	}
62		97
63	/*	98	// check to see wether this combination already exists otherwise
64	* Save and then give up any super-user privileges	99	for (cc = v.end (); cc-- > v.begin (); )
65	* If we need privileges in any area then we must specifically request it.	100	{
66	* We should only need to be root in these cases:	101	if (cc->c1 == c1 && cc->c2 == c2)
67	* 1. write utmp entries on some systems	102	return COMPOSE_LO + (cc - v.begin ());
68	* 2. chown tty on some systems	103	}
69	*/
70	rxvt_privileges(aR_ SAVE);
71	rxvt_privileges(aR_ IGNORE);
72		104
73	rxvt_init_secondary(aR);	105	// allocate a new combination
		106	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		107	{
		108	static int seen;
74		109
75	cmd_argv = rxvt_init_resources(aR_ argc, argv);	110	if (!seen++)
		111	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
76		112
77	#if (MENUBAR_MAX)	113	return REPLACEMENT_CHAR;
78	rxvt_menubar_read(aR_ R->h->rs[Rs_menu]);	114	}
		115
		116	v.push_back (compose_char (c1, c2));
		117
		118	return v.size () - 1 + COMPOSE_LO;
		119	}
		120
		121	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		122	{
		123	compose_char *cc = (*this)[c];
		124
		125	if (!cc)
		126	{
		127	if (r) *r = c;
		128	return 1;
		129	}
		130
		131	int len = expand (cc->c1, r);
		132
		133	if (r) r += len;
		134
		135	if (cc->c2 != NOCHAR)
		136	{
		137	len++;
		138	if (r) *r++ = cc->c2;
		139	}
		140
		141	return len;
		142
		143	}
		144	#endif
		145
		146	rxvt_term::rxvt_term ()
		147	:
		148	#if TRANSPARENT
		149	rootwin_ev (this, &rxvt_term::rootwin_cb),
79	#endif	150	#endif
80	#ifdef HAVE_SCROLLBARS	151	#ifdef HAVE_SCROLLBARS
81	if (R->Options & Opt_scrollBar)	152	scrollbar_ev (this, &rxvt_term::x_cb),
82	scrollbar_setIdle(); /* set existence for size calculations */
83	#endif	153	#endif
84		154	#ifdef CURSOR_BLINK
85	rxvt_Create_Windows(aR_ argc, argv);	155	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
86
87	rxvt_init_xlocale(aR);
88
89	rxvt_scr_reset(aR); /* initialize screen */
90	#ifdef RXVT_GRAPHICS
91	rxvt_Gr_reset(aR); /* reset graphics */
92	#endif	156	#endif
93		157	#ifdef TEXT_BLINK
94	#if 0	158	text_blink_ev (this, &rxvt_term::text_blink_cb),
95	#ifdef DEBUG_X
96	XSynchronize(R->Xdisplay, True);
97	XSetErrorHandler((XErrorHandler) abort);
98	#else
99	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
100	#endif	159	#endif
		160	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		161	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
101	#endif	162	#endif
		163	#ifdef SELECTION_SCROLLING
		164	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		165	#endif
		166	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		167	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
		168	#endif
		169	#ifdef POINTER_BLANK
		170	pointer_ev (this, &rxvt_term::pointer_cb),
		171	#endif
		172	#ifdef USE_XIM
		173	im_ev (this, &rxvt_term::im_cb),
		174	#endif
		175	#ifndef NO_BELL
		176	bell_ev (this, &rxvt_term::bell_cb),
		177	#endif
		178	termwin_ev (this, &rxvt_term::x_cb),
		179	vt_ev (this, &rxvt_term::x_cb),
		180	child_ev (this, &rxvt_term::child_cb),
		181	check_ev (this, &rxvt_term::check_cb),
		182	flush_ev (this, &rxvt_term::flush_cb),
		183	destroy_ev (this, &rxvt_term::destroy_cb),
		184	pty_ev (this, &rxvt_term::pty_cb),
		185	incr_ev (this, &rxvt_term::incr_cb)
		186	{
		187	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
102		188
		189	termlist.push_back (this);
		190
		191	#ifdef KEYSYM_RESOURCE
		192	keyboard = new keyboard_manager;
		193	#endif
		194	}
		195
		196	// clean up the most important stuff, do *not* call x or free mem etc.
		197	// for use before an emergency exit
		198	void rxvt_term::emergency_cleanup ()
		199	{
		200	if (cmd_pid)
		201	kill (-cmd_pid, SIGHUP);
		202
		203	delete pty; pty = 0;
		204	}
		205
		206	rxvt_term::~rxvt_term ()
		207	{
		208	termlist.erase (find (termlist.begin (), termlist.end(), this));
		209
		210	emergency_cleanup ();
		211
		212	#if ENABLE_STYLES
		213	for (int i = RS_styleCount; --i; )
		214	if (fontset[i] != fontset[0])
		215	delete fontset[i];
		216	#endif
		217	delete fontset[0];
		218
		219	if (display)
		220	{
		221	dDisp;
		222
		223	selection_clear ();
		224
		225	#ifdef USE_XIM
		226	im_destroy ();
		227	#endif
		228	#ifdef XTERM_SCROLLBAR
		229	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		230	if (ShadowGC) XFreeGC (disp, ShadowGC);
		231	#endif
		232	#ifdef PLAIN_SCROLLBAR
		233	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		234	#endif
		235	#ifdef NEXT_SCROLLBAR
		236	if (blackGC) XFreeGC (disp, blackGC);
		237	if (whiteGC) XFreeGC (disp, whiteGC);
		238	if (grayGC) XFreeGC (disp, grayGC);
		239	if (darkGC) XFreeGC (disp, darkGC);
		240	if (stippleGC) XFreeGC (disp, stippleGC);
		241	if (dimple) XFreePixmap (disp, dimple);
		242	if (upArrow) XFreePixmap (disp, upArrow);
		243	if (downArrow) XFreePixmap (disp, downArrow);
		244	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		245	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		246	#endif
		247	#ifdef RXVT_SCROLLBAR
		248	if (topShadowGC) XFreeGC (disp, topShadowGC);
		249	if (botShadowGC) XFreeGC (disp, botShadowGC);
		250	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		251	#endif
		252	if (gc) XFreeGC (disp, gc);
		253
		254	delete drawable;
		255	// destroy all windows
		256	if (parent[0])
		257	XDestroyWindow (disp, parent[0]);
		258	}
		259
		260	// TODO: free pixcolours, colours should become part of rxvt_display
		261	delete pix_colors_focused;
		262	#if OFF_FOCUS_FADING
		263	delete pix_colors_unfocused;
		264	#endif
		265
		266	displays.put (display);
		267
		268	scr_release ();
		269
		270	/* clear all resources */
		271	for (int i = 0; i < allocated.size (); i++)
		272	free (allocated [i]);
		273
		274	free (selection.text);
		275	// TODO: manage env vars in child only(!)
		276	free (env_windowid);
		277	free (env_display);
		278	free (env_term);
		279	free (env_colorfgbg);
		280	free (locale);
		281	free (v_buffer);
		282	free (incr_buf);
		283
		284	delete envv;
		285	delete argv;
		286
		287	#ifdef KEYSYM_RESOURCE
		288	delete keyboard;
		289	#endif
		290	}
		291
		292	// child has exited, usually destroys
		293	void
		294	rxvt_term::child_cb (child_watcher &w, int status)
		295	{
		296	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		297
		298	cmd_pid = 0;
		299
		300	if (!OPTION (Opt_hold))
		301	destroy ();
		302	}
		303
		304	void
		305	rxvt_term::destroy ()
		306	{
		307	if (destroy_ev.active)
		308	return;
		309
		310	if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)))
		311	return;
		312
		313	#if ENABLE_OVERLAY
		314	scr_overlay_off ();
		315	#endif
		316
		317	if (display)
		318	{
		319	#if USE_XIM
		320	im_ev.stop (display);
		321	#endif
103	#ifdef HAVE_SCROLLBARS	322	#if HAVE_SCROLLBARS
104	if (R->Options & Opt_scrollBar)	323	scrollbar_ev.stop (display);
105	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
106	#endif	324	#endif
107	#if (MENUBAR_MAX)
108	if (menubar_visible(r))
109	XMapWindow(R->Xdisplay, R->menuBar.win);
110	#endif
111	#ifdef TRANSPARENT	325	#if TRANSPARENT
112	if (R->Options & Opt_transparent) {	326	rootwin_ev.stop (display);
113	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);
114	rxvt_check_our_parents(aR);
115	}
116	#endif	327	#endif
117	XMapWindow(R->Xdisplay, R->TermWin.vt);	328	incr_ev.stop ();
118	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);	329	termwin_ev.stop (display);
119		330	vt_ev.stop (display);
120	rxvt_init_env(aR);
121	rxvt_init_command(aR_ cmd_argv);
122
123	return R;
124	}
125
126	/* ------------------------------------------------------------------------- *
127	* SIGNAL HANDLING & EXIT HANDLER *
128	* ------------------------------------------------------------------------- */
129	/*
130	* Catch a SIGCHLD signal and exit if the direct child has died
131	*/
132	/* ARGSUSED */
133	/* EXTPROTO */
134	RETSIGTYPE
135	rxvt_Child_signal(int sig __attribute__((unused)))
136	{
137	dR;
138	int pid, save_errno = errno;
139
140	do {
141	errno = 0;
142	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
143
144	if (pid == R->h->cmd_pid)
145	exit(EXIT_SUCCESS);
146
147	errno = save_errno;
148	signal(SIGCHLD, rxvt_Child_signal);
149	}
150
151	/*
152	* Catch a fatal signal and tidy up before quitting
153	*/
154	/* EXTPROTO */
155	RETSIGTYPE
156	rxvt_Exit_signal(int sig)
157	{
158	signal(sig, SIG_DFL);
159	#ifdef DEBUG_CMD
160	rxvt_print_error("signal %d", sig);
161	#endif
162	rxvt_clean_exit();
163	kill(getpid(), sig);
164	}
165
166	/* ARGSUSED */
167	/* INTPROTO */
168	int
169	rxvt_xerror_handler(const Display *display __attribute__((unused)), const XErrorEvent *event)
170	{
171	dR;
172
173	if (R->h->allowedxerror == -1) {
174	R->h->allowedxerror = event->error_code;
175	return 0; /* ignored anyway */
176	}	331	}
177	rxvt_print_error("XError: Request: %d . %d, Error: %d",	332
178	event->request_code, event->minor_code,	333	check_ev.stop ();
179	event->error_code);	334	pty_ev.stop ();
180	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	335	#ifdef CURSOR_BLINK
181	exit(EXIT_FAILURE);	336	cursor_blink_ev.stop ();
182	/* NOTREACHED */	337	#endif
		338	#ifdef TEXT_BLINK
		339	text_blink_ev.stop ();
		340	#endif
		341	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		342	cont_scroll_ev.stop ();
		343	#endif
		344	#ifdef SELECTION_SCROLLING
		345	sel_scroll_ev.stop ();
		346	#endif
		347	#ifdef POINTER_BLANK
		348	pointer_ev.stop ();
		349	#endif
		350
		351	destroy_ev.start (0);
		352	}
		353
		354	void
		355	rxvt_term::destroy_cb (time_watcher &w)
		356	{
		357	make_current ();
		358
		359	delete this;
183	}	360	}
184		361
185	/*----------------------------------------------------------------------*/	362	/*----------------------------------------------------------------------*/
186	/*	363	/*
187	* Exit gracefully, clearing the utmp entry and restoring tty attributes	364	* Exit gracefully, clearing the utmp entry and restoring tty attributes
188	* TODO: if debugging, this should free up any known resources if we can	365	* TODO: if debugging, this should free up any known resources if we can
189	*/	366	*/
190	/* EXTPROTO */	367	static XErrorHandler old_xerror_handler;
191	void
192	rxvt_clean_exit(void)
193	{
194	dR;
195		368
196	#ifdef DEBUG_SCREEN	369	static void
197	rxvt_scr_release(aR);	370	rxvt_emergency_cleanup ()
		371	{
		372	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		373	(*t)->emergency_cleanup ();
		374	}
		375
		376	#if ENABLE_FRILLS
		377	static void
		378	print_x_error (Display *dpy, XErrorEvent *event)
		379	{
		380	char buffer[BUFSIZ];
		381	char mesg[BUFSIZ];
		382	char number[32];
		383	char *mtype = "XlibMessage";
		384	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		385	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		386	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		387	rxvt_warn ("%s: %s\n", mesg, buffer);
		388	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		389	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		390	sprintf(number, "%d", event->request_code);
		391	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		392	rxvt_warn ("(which is %s)\n", buffer);
		393	if (event->request_code >= 128) {
		394	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		395	mesg, BUFSIZ);
		396	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		397	}
		398	if ((event->error_code == BadWindow) ||
		399	(event->error_code == BadPixmap) ||
		400	(event->error_code == BadCursor) ||
		401	(event->error_code == BadFont) ||
		402	(event->error_code == BadDrawable) ||
		403	(event->error_code == BadColor) ||
		404	(event->error_code == BadGC) ||
		405	(event->error_code == BadIDChoice) ||
		406	(event->error_code == BadValue) ||
		407	(event->error_code == BadAtom)) {
		408	if (event->error_code == BadValue)
		409	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		410	mesg, BUFSIZ);
		411	else if (event->error_code == BadAtom)
		412	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		413	mesg, BUFSIZ);
		414	else
		415	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		416	mesg, BUFSIZ);
		417	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		418	}
		419	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		420	mesg, BUFSIZ);
		421	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		422	}
198	#endif	423	#endif
199	#ifndef NO_SETOWNER_TTYDEV	424
200	rxvt_privileged_ttydev(aR_ RESTORE);	425	int
201	#endif	426	rxvt_xerror_handler (Display *display, XErrorEvent *event)
202	#ifdef UTMP_SUPPORT	427	{
203	rxvt_privileged_utmp(aR_ RESTORE);	428	if (GET_R->allowedxerror == -1)
204	#endif	429	GET_R->allowedxerror = event->error_code;
205	#ifdef USE_XIM	430	else
206	if (R->h->Input_Context != NULL) {
207	XDestroyIC(R->h->Input_Context);
208	R->h->Input_Context = NULL;
209	}	431	{
		432	// GET_R is most likely not the terminal which caused the error,
		433	// so just output the error and continue
		434	#if ENABLE_FRILLS
		435	print_x_error (display, event);
		436	#else
		437	old_xerror_handler (display, event);
210	#endif	438	#endif
		439	}
		440
		441	return 0;
		442	}
		443
		444	int
		445	rxvt_xioerror_handler (Display *display)
		446	{
		447	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		448	DisplayString (display));
		449	rxvt_emergency_cleanup ();
		450	_exit (EXIT_FAILURE);
		451	}
		452
		453	/*----------------------------------------------------------------------*/
		454	bool
		455	rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
		456	{
		457	this->envv = envv;
		458
		459	SET_R (this);
		460	set_locale ("");
		461	set_environ (envv); // few things in X do not call setlocale :(
		462
		463	if (!init_vars ())
		464	return false;
		465
		466	init_secondary ();
		467
		468	const char **cmd_argv = init_resources (argc, argv);
		469
		470	#ifdef KEYSYM_RESOURCE
		471	keyboard->register_done ();
		472	#endif
		473
		474	#ifdef HAVE_SCROLLBARS
		475	if (OPTION (Opt_scrollBar))
		476	scrollBar.setIdle (); /* set existence for size calculations */
		477	#endif
		478
		479	pty = ptytty_new ();
		480
		481	create_windows (argc, argv);
		482
		483	dDisp;
		484
		485	init_xlocale ();
		486
		487	scr_reset (); // initialize screen
		488
		489	#if 0
		490	XSynchronize (disp, True);
		491	#endif
		492
		493	#ifdef HAVE_SCROLLBARS
		494	if (OPTION (Opt_scrollBar))
		495	resize_scrollbar (); /* create and map scrollbar */
		496	#endif
		497	#ifdef TRANSPARENT
		498	if (OPTION (Opt_transparent))
		499	{
		500	XSelectInput (disp, display->root, PropertyChangeMask);
		501	check_our_parents ();
		502	rootwin_ev.start (display, display->root);
		503	}
		504	#endif
		505
		506	set_colorfgbg ();
		507
		508	init_command (cmd_argv);
		509
		510	free (cmd_argv);
		511
		512	if (pty->pty >= 0)
		513	pty_ev.start (pty->pty, EVENT_READ);
		514
		515	check_ev.start ();
		516
		517	HOOK_INVOKE ((this, HOOK_START, DT_END));
		518
		519	XMapWindow (disp, vt);
		520	XMapWindow (disp, parent[0]);
		521
		522	return true;
		523	}
		524
		525	static struct sig_handlers
		526	{
		527	sig_watcher sw_term, sw_int;
		528
		529	/*
		530	* Catch a fatal signal and tidy up before quitting
		531	*/
		532	void
		533	sig_term (sig_watcher &w)
		534	{
		535	#ifdef DEBUG_CMD
		536	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		537	#endif
		538	rxvt_emergency_cleanup ();
		539	signal (w.signum, SIG_DFL);
		540	kill (getpid (), w.signum);
		541	}
		542
		543	sig_handlers ()
		544	: sw_term (this, &sig_handlers::sig_term),
		545	sw_int (this, &sig_handlers::sig_term)
		546	{
		547	}
		548	} sig_handlers;
		549
		550	char **rxvt_environ; // startup environment
		551
		552	void
		553	rxvt_init ()
		554	{
		555	uid_t uid = getuid ();
		556	gid_t gid = getgid ();
		557
		558	// before doing anything else, check for setuid/setgid operation,
		559	// start the helper process and drop privileges
		560	if (uid != geteuid ()
		561	|| gid != getegid ())
		562	{
		563	#if PTYTTY_HELPER
		564	ptytty_server ();
		565	#else
		566	rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
		567	#endif
		568
		569	// drop privileges
		570	#if HAVE_SETRESUID
		571	setresgid (gid, gid, gid);
		572	setresuid (uid, uid, uid);
		573	#elif HAVE_SETREUID
		574	setregid (gid, gid);
		575	setreuid (uid, uid);
		576	#elif HAVE_SETUID
		577	setgid (gid);
		578	setuid (uid);
		579	#endif
		580
		581	if (uid != geteuid ()
		582	|| gid != getegid ())
		583	rxvt_fatal ("unable to drop privileges, aborting.\n");
		584	}
		585
		586	rxvt_environ = environ;
		587
		588	signal (SIGHUP, SIG_IGN);
		589	signal (SIGPIPE, SIG_IGN);
		590
		591	sig_handlers.sw_term.start (SIGTERM);
		592	sig_handlers.sw_int.start (SIGINT);
		593
		594	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		595	/* signal (SIGURG, SIG_DFL); */
		596
		597	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		598	// TODO: handle this with exceptions and tolerate the memory loss
		599	XSetIOErrorHandler (rxvt_xioerror_handler);
		600
		601	XrmInitialize ();
211	}	602	}
212		603
213	/* ------------------------------------------------------------------------- *	604	/* ------------------------------------------------------------------------- *
214	* MEMORY ALLOCATION WRAPPERS *	605	* MEMORY ALLOCATION WRAPPERS *
215	* ------------------------------------------------------------------------- */	606	* ------------------------------------------------------------------------- */
216	/* EXTPROTO */	607	void *
217	void *
218	rxvt_malloc(size_t size)	608	rxvt_malloc (size_t size)
219	{	609	{
220	void *p;
221
222	p = malloc(size);	610	void *p = malloc (size);
		611
223	if (p)	612	if (!p)
		613	rxvt_fatal ("memory allocation failure. aborting.\n");
		614
224	return p;	615	return p;
225
226	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
227	rxvt_clean_exit();
228	exit(EXIT_FAILURE);
229	/* NOTREACHED */
230	}	616	}
231		617
232	/* EXTPROTO */	618	void *
233	void *
234	rxvt_calloc(size_t number, size_t size)	619	rxvt_calloc (size_t number, size_t size)
235	{	620	{
236	void *p;
237
238	p = calloc(number, size);	621	void *p = calloc (number, size);
		622
239	if (p)	623	if (!p)
		624	rxvt_fatal ("memory allocation failure. aborting.\n");
		625
240	return p;	626	return p;
241
242	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
243	rxvt_clean_exit();
244	exit(EXIT_FAILURE);
245	/* NOTREACHED */
246	}	627	}
247		628
248	/* EXTPROTO */	629	void *
249	void *
250	rxvt_realloc(void *ptr, size_t size)	630	rxvt_realloc (void *ptr, size_t size)
251	{	631	{
252	void *p;
253
254	if (ptr)
255	p = realloc(ptr, size);	632	void *p = realloc (ptr, size);
256	else	633
257	p = malloc(size);
258	if (p)	634	if (!p)
		635	rxvt_fatal ("memory allocation failure. aborting.\n");
		636
259	return p;	637	return p;
260
261	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
262	rxvt_clean_exit();
263	exit(EXIT_FAILURE);
264	/* NOTREACHED */
265	}	638	}
266	/* ------------------------------------------------------------------------- *
267	* PRIVILEGED OPERATIONS *
268	* ------------------------------------------------------------------------- */
269	/* take care of suid/sgid super-user (root) privileges */
270	/* INTPROTO */
271	void
272	rxvt_privileges(pR_ int mode)
273	{
274	#if ! defined(__CYGWIN32__)
275	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
276	/* setreuid() is the poor man's setuid(), seteuid() */
277	# define seteuid(a) setreuid(-1, (a))
278	# define setegid(a) setregid(-1, (a))
279	# define HAVE_SETEUID
280	# endif
281	# ifdef HAVE_SETEUID
282	switch (mode) {
283	case IGNORE:
284	/*
285	* change effective uid/gid - not real uid/gid - so we can switch
286	* back to root later, as required
287	*/
288	seteuid(getuid());
289	setegid(getgid());
290	break;
291	case SAVE:
292	R->h->euid = geteuid();
293	R->h->egid = getegid();
294	break;
295	case RESTORE:
296	seteuid(R->h->euid);
297	setegid(R->h->egid);
298	break;
299	}
300	# else
301	switch (mode) {
302	case IGNORE:
303	setuid(getuid());
304	setgid(getgid());
305	/* FALLTHROUGH */
306	case SAVE:
307	/* FALLTHROUGH */
308	case RESTORE:
309	break;
310	}
311	# endif
312	#endif
313	}
314
315	#ifdef UTMP_SUPPORT
316	/* EXTPROTO */
317	void
318	rxvt_privileged_utmp(pR_ char action)
319	{
320	struct rxvt_hidden *h = R->h;
321
322	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)", action, h->next_utmp_action, getpid()));
323	if (h->next_utmp_action != action
324	|| (action != SAVE && action != RESTORE)
325	|| (R->Options & Opt_utmpInhibit)
326	|| h->ttydev == NULL
327	|| *h->ttydev == '\0')
328	return;
329
330	rxvt_privileges(aR_ RESTORE);
331	if (action == SAVE) {
332	h->next_utmp_action = RESTORE;
333	rxvt_makeutent(aR_ h->ttydev, h->rs[Rs_display_name]);
334	} else { /* action == RESTORE */
335	h->next_utmp_action = IGNORE;
336	rxvt_cleanutent(aR);
337	}
338	rxvt_privileges(aR_ IGNORE);
339	}
340	#endif
341
342	#ifndef NO_SETOWNER_TTYDEV
343	/* EXTPROTO */
344	void
345	rxvt_privileged_ttydev(pR_ char action)
346	{
347	struct rxvt_hidden *h = R->h;
348
349	D_MAIN((stderr, "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)", action, h->next_tty_action, getpid()));
350	if (h->next_tty_action != action
351	|| (action != SAVE && action != RESTORE)
352	|| h->ttydev == NULL
353	|| *h->ttydev == '\0')
354	return;
355
356	rxvt_privileges(aR_ RESTORE);
357
358	if (action == SAVE) {
359	h->next_tty_action = RESTORE;
360	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
361	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
362	if (lstat(h->ttydev, &h->ttyfd_stat) < 0) /* you lose out */
363	h->next_tty_action = IGNORE;
364	else
365	# endif
366	{
367	chown(h->ttydev, getuid(), h->ttygid); /* fail silently */
368	chmod(h->ttydev, h->ttymode);
369	# ifdef HAVE_REVOKE
370	revoke(h->ttydev);
371	# endif
372	}
373	} else { /* action == RESTORE */
374	h->next_tty_action = IGNORE;
375	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
376	chmod(h->ttydev, h->ttyfd_stat.st_mode);
377	chown(h->ttydev, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid);
378	# else
379	chmod(h->ttydev,
380	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
381	chown(h->ttydev, 0, 0);
382	# endif
383	}
384
385	rxvt_privileges(aR_ IGNORE);
386
387	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
388	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d", action == RESTORE ? "Restoring" : (action == SAVE ? "Saving" : "UNKNOWN ERROR for"), h->ttydev, h->ttyfd_stat.st_mode, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid));
389	# endif
390	}
391	#endif
392		639
393	/*----------------------------------------------------------------------*/	640	/*----------------------------------------------------------------------*/
394	/*	641	/*
395	* window size/position calculcations for XSizeHint and other storage.	642	* window size/position calculcations for XSizeHint and other storage.
396	* if width/height are non-zero then override calculated width/height	643	* if width/height are non-zero then override calculated width/height
397	*/	644	*/
398	/* EXTPROTO */
399	void	645	void
400	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	646	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
401	{	647	{
402	short recalc_x, recalc_y;	648	short recalc_x, recalc_y;
403	int x, y, sb_w, mb_h, flags;	649	int x, y, sb_w, flags;
404	unsigned int w, h;	650	unsigned int w, h;
405	unsigned int max_width, max_height;	651	unsigned int max_width, max_height;
		652	dDisp;
406		653
407	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, R->szHint.height));	654	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
		655	ncol, nrow, szHint.width, szHint.height));
		656
408	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	657	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
409	R->szHint.win_gravity = NorthWestGravity;	658	szHint.win_gravity = NorthWestGravity;
410	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	659	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
411		660
412	recalc_x = recalc_y = 0;	661	recalc_x = recalc_y = 0;
413	flags = 0;	662	flags = 0;
		663
414	if (!R->h->parsed_geometry) {	664	if (!parsed_geometry)
		665	{
415	R->h->parsed_geometry = 1;	666	parsed_geometry = 1;
		667
416	if (R->h->rs[Rs_geometry])	668	if (rs[Rs_geometry])
417	flags = XParseGeometry(R->h->rs[Rs_geometry], &x, &y, &w, &h);	669	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		670
418	if (flags & WidthValue) {	671	if (flags & WidthValue)
419	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	672	{
420	R->szHint.flags |= USSize;	673	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
421	}	674	szHint.flags |= USSize;
		675	}
		676
422	if (flags & HeightValue) {	677	if (flags & HeightValue)
423	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	678	{
424	R->szHint.flags |= USSize;	679	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
425	}	680	szHint.flags |= USSize;
		681	}
		682
426	if (flags & XValue) {	683	if (flags & XValue)
427	R->szHint.x = x;	684	{
		685	szHint.x = x;
428	R->szHint.flags |= USPosition;	686	szHint.flags |= USPosition;
		687
429	if (flags & XNegative) {	688	if (flags & XNegative)
430	recalc_x = 1;	689	{
		690	recalc_x = 1;
431	R->szHint.win_gravity = NorthEastGravity;	691	szHint.win_gravity = NorthEastGravity;
		692	}
		693	}
		694
		695	if (flags & YValue)
		696	{
		697	szHint.y = y;
		698	szHint.flags |= USPosition;
		699
		700	if (flags & YNegative)
		701	{
		702	recalc_y = 1;
		703
		704	if (szHint.win_gravity == NorthEastGravity)
		705	szHint.win_gravity = SouthEastGravity;
		706	else
		707	szHint.win_gravity = SouthWestGravity;
		708	}
		709	}
432	}	710	}
433	}	711
434	if (flags & YValue) {
435	R->szHint.y = y;
436	R->szHint.flags |= USPosition;
437	if (flags & YNegative) {
438	recalc_y = 1;
439	if (R->szHint.win_gravity == NorthEastGravity)
440	R->szHint.win_gravity = SouthEastGravity;
441	else
442	R->szHint.win_gravity = SouthWestGravity;
443	}
444	}
445	}
446	/* TODO: BOUNDS */	712	/* TODO: BOUNDS */
447	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	713	width = ncol * fwidth;
448	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	714	height = nrow * fheight;
449	max_width = MAX_COLS * R->TermWin.fwidth;	715	max_width = MAX_COLS * fwidth;
450	max_height = MAX_ROWS * R->TermWin.fheight;	716	max_height = MAX_ROWS * fheight;
451		717
452	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	718	szHint.base_width = szHint.base_height = 2 * int_bwidth;
453		719
454	sb_w = mb_h = 0;	720	sb_w = 0;
455	R->h->window_vt_x = R->h->window_vt_y = 0;	721	window_vt_x = window_vt_y = int_bwidth;
456	if (scrollbar_visible(R)) {	722
		723	if (scrollBar.state)
		724	{
457	sb_w = scrollbar_TotalWidth();	725	sb_w = scrollbar_TotalWidth ();
458	R->szHint.base_width += sb_w;	726	szHint.base_width += sb_w;
459	if (!(R->Options & Opt_scrollBar_right))	727	if (!OPTION (Opt_scrollBar_right))
460	R->h->window_vt_x = sb_w;	728	window_vt_x += sb_w;
461	}	729	}
462	if (menubar_visible(R)) {	730
463	mb_h = menuBar_TotalHeight();
464	R->szHint.base_height += mb_h;
465	R->h->window_vt_y = mb_h;
466	}
467	R->szHint.width_inc = R->TermWin.fwidth;	731	szHint.width_inc = fwidth;
468	R->szHint.height_inc = R->TermWin.fheight;	732	szHint.height_inc = fheight;
469	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	733	szHint.min_width = szHint.base_width + szHint.width_inc;
470	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	734	szHint.min_height = szHint.base_height + szHint.height_inc;
471		735
472	if (width && width - R->szHint.base_width < max_width) {	736	if (newwidth && newwidth - szHint.base_width < max_width)
473	R->szHint.width = width;
474	R->TermWin.width = width - R->szHint.base_width;
475	} else {
476	MIN_IT(R->TermWin.width, max_width);
477	R->szHint.width = R->szHint.base_width + R->TermWin.width;
478	}	737	{
		738	szHint.width = newwidth;
		739	width = newwidth - szHint.base_width;
		740	}
		741	else
		742	{
		743	min_it (width, max_width);
		744	szHint.width = szHint.base_width + width;
		745	}
		746
479	if (height && height - R->szHint.base_height < max_height) {	747	if (newheight && newheight - szHint.base_height < max_height)
480	R->szHint.height = height;
481	R->TermWin.height = height - R->szHint.base_height;
482	} else {
483	MIN_IT(R->TermWin.height, max_height);
484	R->szHint.height = R->szHint.base_height + R->TermWin.height;
485	}	748	{
486	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	749	szHint.height = newheight;
		750	height = newheight - szHint.base_height;
		751	}
		752	else
		753	{
		754	min_it (height, max_height);
		755	szHint.height = szHint.base_height + height;
		756	}
		757
		758	if (scrollBar.state && OPTION (Opt_scrollBar_right))
487	R->h->window_sb_x = R->szHint.width - sb_w;	759	window_sb_x = szHint.width - sb_w;
488		760
489	if (recalc_x)	761	if (recalc_x)
490	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	762	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
491	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
492	if (recalc_y)	763	if (recalc_y)
493	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	764	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
494	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
495		765
496	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	766	ncol = width / fwidth;
497	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	767	nrow = height / fheight;
498	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, R->szHint.height));	768	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
		769	ncol, nrow, szHint.width,
		770	szHint.height));
499	return;	771	return;
500	}	772	}
501		773
502	/*----------------------------------------------------------------------*/	774	/*----------------------------------------------------------------------*/
503	/*	775	/*
504	* Tell the teletype handler what size the window is.	776	* Tell the teletype handler what size the window is.
505	* Called after a window size change.	777	* Called after a window size change.
506	*/	778	*/
507	/* EXTPROTO */
508	void	779	void
509	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	780	rxvt_term::tt_winch ()
510	{	781	{
		782	if (pty->pty < 0)
		783	return;
		784
511	struct winsize ws;	785	struct winsize ws;
512		786
513	if (fd < 0)
514	return;
515	ws.ws_col = col;	787	ws.ws_col = ncol;
516	ws.ws_row = row;	788	ws.ws_row = nrow;
517	ws.ws_xpixel = ws.ws_ypixel = 0;	789	ws.ws_xpixel = width;
518	#ifndef DEBUG_SIZE	790	ws.ws_ypixel = height;
519	(void)ioctl(fd, TIOCSWINSZ, &ws);	791	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
520	#else	792
521	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	793	#if 0
522	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	794	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
523	}
524	# ifdef SIGWINCH
525	else if (pid) /* force through to the command */	795	if (cmd_pid) /* force through to the command */
526	kill(pid, SIGWINCH);	796	kill (-cmd_pid, SIGWINCH);
527	# endif
528	#endif	797	#endif
529	}	798	}
530		799
531	/*----------------------------------------------------------------------*/	800	/*----------------------------------------------------------------------*/
532	/* rxvt_change_font() - Switch to a new font */	801	/* set_fonts () - load and set the various fonts
533	/*	802	*
534	* init = 1 - initialize	803	* init = 1 - initialize
535	*	804	*
536	* fontname == FONT_UP - switch to bigger font	805	* fontname == FONT_UP - switch to bigger font
537	* fontname == FONT_DN - switch to smaller font	806	* fontname == FONT_DN - switch to smaller font
538	*/	807	*/
539	/* EXTPROTO */	808	bool
540	void	809	rxvt_term::set_fonts ()
541	rxvt_change_font(pR_ int init, const char *fontname)
542	{	810	{
543	}	811	rxvt_fontset *fs = new rxvt_fontset (this);
		812	rxvt_fontprop prop;
544		813
545	/* INTPROTO */	814	if (!fs
546	void	815	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
547	rxvt_font_up_down(pR_ int n, int direction)	816	|| !fs->realize_font (1))
		817	{
		818	delete fs;
		819	return false;
		820	}
		821
		822	#if ENABLE_STYLES
		823	for (int i = RS_styleCount; --i; )
		824	if (fontset[i] != fontset[0])
		825	delete fontset[i];
		826	#endif
		827
		828	delete fontset[0];
		829	fontset[0] = fs;
		830
		831	prop = (*fs)[1]->properties ();
		832	prop.height += lineSpace;
		833	fs->set_prop (prop);
		834
		835	fwidth = prop.width;
		836	fheight = prop.height;
		837	fbase = prop.ascent;
		838
		839	for (int style = 1; style < 4; style++)
		840	{
		841	#if ENABLE_STYLES
		842	const char *res = rs[Rs_font + style];
		843
		844	if (res && !*res)
		845	fontset[style] = fontset[0];
		846	else
		847	{
		848	fontset[style] = fs = new rxvt_fontset (this);
		849	rxvt_fontprop prop2 = prop;
		850
		851	if (res)
		852	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		853	else
		854	{
		855	res = fontset[0]->fontdesc;
		856
		857	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		858	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		859	}
		860
		861	fs->populate (res);
		862	fs->set_prop (prop2);
		863	}
		864	#else
		865	fontset[style] = fontset[0];
		866	#endif
		867	}
		868
		869	if (parent[0])
		870	{
		871	resize_all_windows (0, 0, 0);
		872	scr_remap_chars ();
		873	scr_touch (true);
		874	}
		875
		876	return true;
		877	}
		878
		879	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
548	{	880	{
		881	XChangeProperty (display->display, parent[0],
		882	prop, XA_STRING, 8, PropModeReplace,
		883	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		884	}
		885
		886	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		887	{
		888	wchar_t *ws = rxvt_mbstowcs (str, len);
		889	char *s = rxvt_wcstoutf8 (ws);
		890
		891	XChangeProperty (display->display, parent[0],
		892	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		893	(const unsigned char *)s, strlen (s));
		894
		895	free (s);
		896	free (ws);
549	}	897	}
550		898
551	/*----------------------------------------------------------------------*/	899	/*----------------------------------------------------------------------*/
552	/*----------------------------------------------------------------------*/	900	/*----------------------------------------------------------------------*/
553	/* xterm sequences - title, iconName, color (exptl) */	901	/* xterm sequences - title, iconName, color (exptl) */
554	/* EXTPROTO */
555	void	902	void
556	rxvt_set_title(pR_ const char *str)	903	rxvt_term::set_title (const char *str)
557	{	904	{
558	#ifndef SMART_WINDOW_TITLE	905	set_string_property (XA_WM_NAME, str);
559	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	906	#if ENABLE_EWMH
		907	set_utf8_property (xa[XA_NET_WM_NAME], str);
		908	#endif
		909	}
		910
		911	void
		912	rxvt_term::set_icon_name (const char *str)
		913	{
		914	set_string_property (XA_WM_ICON_NAME, str);
		915	#if ENABLE_EWMH
		916	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		917	#endif
		918	}
		919
		920	#ifdef XTERM_COLOR_CHANGE
		921	void
		922	rxvt_term::set_window_color (int idx, const char *color)
		923	{
		924	rxvt_color xcol;
		925	int i;
		926
		927	if (color == NULL || *color == '\0')
		928	return;
		929
		930	/* handle color aliases */
		931	if (isdigit (*color))
		932	{
		933	i = atoi (color);
		934
		935	if (i >= 8 && i <= 15)
		936	{ /* bright colors */
		937	i -= 8;
		938	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		939	SET_PIXCOLOR (idx);
		940	goto done;
		941	}
		942
		943	if (i >= 0 && i <= 7)
		944	{ /* normal colors */
		945	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		946	SET_PIXCOLOR (idx);
		947	goto done;
		948	}
		949	}
		950
		951	if (!rXParseAllocColor (&xcol, color))
		952	return;
		953
		954	/* XStoreColor (display->display, display->cmap, XColor*); */
		955
		956	/*
		957	* FIXME: should free colors here, but no idea how to do it so instead,
		958	* so just keep gobbling up the colormap
		959	*/
		960	# if 0
		961	for (i = Color_Black; i <= Color_White; i++)
		962	if (pix_colors[idx] == pix_colors[i])
		963	break;
		964	if (i > Color_White)
		965	{
		966	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		967	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		968	DisplayPlanes (display->display, display->screen));
		969	}
		970	# endif
		971
		972	pix_colors_focused[idx] = xcol;
		973	SET_PIXCOLOR (idx);
		974
		975	/* XSetWindowAttributes attr; */
		976	/* Cursor cursor; */
		977	done:
		978
		979	#if OFF_FOCUS_FADING
		980	if (rs[Rs_fade])
		981	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		982	#endif
		983
		984	/*TODO: handle Color_BD, scrollbar background, etc. */
		985
		986	recolour_cursor ();
		987	scr_recolour ();
		988	}
		989
560	#else	990	#else
561	char *name;
562
563	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
564	name = NULL;
565	if (name == NULL || STRCMP(name, str))
566	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
567	if (name)
568	XFree(name);
569	#endif
570	}
571
572	/* EXTPROTO */
573	void
574	rxvt_set_iconName(pR_ const char *str)
575	{
576	#ifndef SMART_WINDOW_TITLE
577	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
578	#else
579	char *name;
580
581	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
582	name = NULL;
583	if (name == NULL || STRCMP(name, str))
584	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
585	if (name)
586	XFree(name);
587	#endif
588	}
589
590	#ifdef XTERM_COLOR_CHANGE
591	/* EXTPROTO */
592	void
593	rxvt_set_window_color(pR_ int idx, const char *color)
594	{
595	rxvt_color xcol;
596	int i;
597
598	if (color == NULL || *color == '\0')
599	return;
600
601	/* handle color aliases */
602	if (isdigit(*color)) {
603	i = atoi(color);
604	if (i >= 8 && i <= 15) { /* bright colors */
605	i -= 8;
606	# ifndef NO_BRIGHTCOLOR
607	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
608	SET_PIXCOLOR(R->h, idx);
609	goto Done;
610	# endif
611	}
612	if (i >= 0 && i <= 7) { /* normal colors */
613	R->PixColors[idx] = R->PixColors[minCOLOR + i];
614	SET_PIXCOLOR(R->h, idx);
615	goto Done;
616	}
617	}
618	if (!rxvt_rXParseAllocColor(aR_ &xcol, color))
619	return;
620	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
621
622	/*
623	* FIXME: should free colors here, but no idea how to do it so instead,
624	* so just keep gobbling up the colormap
625	*/
626	# if 0
627	for (i = Color_Black; i <= Color_White; i++)
628	if (R->PixColors[idx] == R->PixColors[i])
629	break;
630	if (i > Color_White) {
631	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
632	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
633	DisplayPlanes(R->Xdisplay, Xscreen));
634	}
635	# endif
636
637	R->PixColors[idx] = xcol;
638	SET_PIXCOLOR(R->h, idx);
639
640	/* XSetWindowAttributes attr; */
641	/* Cursor cursor; */
642	Done:
643	if (idx == Color_bg && !(R->Options & Opt_transparent))
644	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
645	R->PixColors[Color_bg]);
646
647	/* handle Color_BD, scrollbar background, etc. */
648
649	rxvt_set_colorfgbg(aR);
650	rxvt_recolour_cursor(aR);
651	/* the only reasonable way to enforce a clean update */
652	rxvt_scr_poweron(aR);
653	}
654
655	#else
656	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	991	# define set_window_color (idx,color) ((void)0)
657	#endif /* XTERM_COLOR_CHANGE */	992	#endif /* XTERM_COLOR_CHANGE */
658		993
659	/* EXTPROTO */
660	void	994	void
661	rxvt_recolour_cursor(pR)	995	rxvt_term::recolour_cursor ()
662	{	996	{
663	rxvt_color xcol[2];	997	XColor xcol[2];
664		998
665	#if TODO	999	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
666	xcol[0] = R->PixColors[Color_pointer];	1000	? pix_colors_focused[Color_pointer_fg]
667	xcol[1] = R->PixColors[Color_bg];	1001	: pix_colors_focused[Color_fg];
668	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1002	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1003	? pix_colors_focused[Color_pointer_bg]
		1004	: pix_colors_focused[Color_bg];
		1005
		1006	XQueryColors (display->display, display->cmap, xcol, 2);
669	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1007	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
670	#endif
671	}	1008	}
672		1009
673	/*----------------------------------------------------------------------*/	1010	/*----------------------------------------------------------------------*/
674	/*	1011	/*
675	* find if fg/bg matches any of the normal (low-intensity) colors	1012	* find if fg/bg matches any of the normal (low-intensity) colors
676	*/	1013	*/
677	/* INTPROTO */
678	void	1014	void
679	rxvt_set_colorfgbg(pR)	1015	rxvt_term::set_colorfgbg ()
680	{	1016	{
681	unsigned int i;	1017	unsigned int i;
682	const char *xpmb = "\0";	1018	const char *xpmb = "\0";
683	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1019	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
684		1020
685	R->h->env_colorfgbg = (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1021	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
686	STRCPY(fstr, "default");	1022	strcpy (fstr, "default");
687	STRCPY(bstr, "default");	1023	strcpy (bstr, "default");
688	for (i = Color_Black; i <= Color_White; i++)	1024	for (i = Color_Black; i <= Color_White; i++)
689	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1025	if (pix_colors[Color_fg] == pix_colors[i])
		1026	{
690	sprintf(fstr, "%d", (i - Color_Black));	1027	sprintf (fstr, "%d", (i - Color_Black));
691	break;	1028	break;
692	}	1029	}
		1030
693	for (i = Color_Black; i <= Color_White; i++)	1031	for (i = Color_Black; i <= Color_White; i++)
694	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1032	if (pix_colors[Color_bg] == pix_colors[i])
		1033	{
695	sprintf(bstr, "%d", (i - Color_Black));	1034	sprintf (bstr, "%d", (i - Color_Black));
696	#ifdef XPM_BACKGROUND	1035	#ifdef XPM_BACKGROUND
697	xpmb = "default;";	1036	xpmb = "default;";
698	#endif	1037	#endif
699	break;	1038	break;
700	}	1039	}
		1040
701	sprintf(R->h->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1041	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
702	putenv(R->h->env_colorfgbg);
703
704	#ifndef NO_BRIGHTCOLOR
705	R->h->colorfgbg = DEFAULT_RSTYLE;
706	for (i = minCOLOR; i <= maxCOLOR; i++) {
707	if (R->PixColors[Color_fg] == R->PixColors[i])
708	R->h->colorfgbg = SET_FGCOLOR(R->h->colorfgbg, i);
709	if (R->PixColors[Color_bg] == R->PixColors[i])
710	R->h->colorfgbg = SET_BGCOLOR(R->h->colorfgbg, i);
711	}
712	#endif
713	}	1042	}
714		1043
715	/*----------------------------------------------------------------------*/	1044	/*----------------------------------------------------------------------*/
716	/*
717	* Colour determination for low colour displays, routine from
718	* Hans de Goede <hans@highrise.nl>
719	*/
720		1045
721	/* EXTPROTO */
722	int	1046	int
723	rxvt_rXParseAllocColor(pR_ rxvt_color *screen_in_out, const char *colour)	1047	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
724	{	1048	{
725	screen_in_out->set (aR_ colour);
726
727	if (!screen_in_out->set (aR_ colour))	1049	if (!screen_in_out->set (display, colour))
728	{	1050	{
729	rxvt_print_error("can't allocate colour: %s", colour);	1051	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
730	return false;	1052	return false;
731	}	1053	}
732		1054
733	return true;	1055	return true;
734	}	1056	}
735		1057
736	/* -------------------------------------------------------------------- *	1058	/* -------------------------------------------------------------------- *
737	* - WINDOW RESIZING - *	1059	* - WINDOW RESIZING - *
738	* -------------------------------------------------------------------- */	1060	* -------------------------------------------------------------------- */
739	/* EXTPROTO */
740	void	1061	void
741	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, int ignoreparent)	1062	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
742	{	1063	{
743	int fix_screen;	1064	int fix_screen;
		1065	int old_width = szHint.width, old_height = szHint.height;
		1066	dDisp;
		1067
		1068	window_calc (newwidth, newheight);
		1069	XSetWMNormalHints (disp, parent[0], &szHint);
		1070
		1071	if (!ignoreparent)
		1072	{
744	#ifdef SMART_RESIZE	1073	#ifdef SMART_RESIZE
745	int old_width = R->szHint.width,	1074	/*
746	old_height = R->szHint.height;
747	#endif
748
749	rxvt_window_calc(aR_ width, height);
750	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
751	if (!ignoreparent) {
752	#ifdef SMART_RESIZE
753	/*
754	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1075	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
755	* reposition window on resize depending on placement on screen	1076	* reposition window on resize depending on placement on screen
756	*/	1077	*/
757	int x, y, x1, y1;	1078	int x, y, x1, y1;
758	int dx, dy;	1079	int dx, dy;
759	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1080	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
760	Window unused_cr;	1081	Window unused_cr;
761		1082
762	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1083	XTranslateCoordinates (disp, parent[0], display->root,
763	0, 0, &x, &y, &unused_cr);	1084	0, 0, &x, &y, &unused_cr);
764	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1085	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
765	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1086	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
766	/*	1087	/*
767	* if Xroot isn't the parent window, a WM will probably have offset	1088	* if display->root isn't the parent window, a WM will probably have offset
768	* our position for handles and decorations. Counter it	1089	* our position for handles and decorations. Counter it
769	*/	1090	*/
770	if (x1 != x || y1 != y) {	1091	if (x1 != x || y1 != y)
		1092	{
771	x -= x1;	1093	x -= x1;
772	y -= y1;	1094	y -= y1;
773	}	1095	}
774		1096
775	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1097	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
776	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1098	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
777	dx = old_width - R->szHint.width;	1099	dx = old_width - szHint.width;
778	dy = old_height - R->szHint.height;	1100	dy = old_height - szHint.height;
779		1101
780	/* Check position of the center of the window */	1102	/* Check position of the center of the window */
781	if (x < x1) /* left half */	1103	if (x < x1) /* left half */
782	dx = 0;	1104	dx = 0;
783	else if (x == x1) /* exact center */	1105	else if (x == x1) /* exact center */
784	dx /= 2;	1106	dx /= 2;
785	if (y < y1) /* top half */	1107	if (y < y1) /* top half */
786	dy = 0;	1108	dy = 0;
787	else if (y == y1) /* exact center */	1109	else if (y == y1) /* exact center */
788	dy /= 2;	1110	dy /= 2;
789		1111
790	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1112	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
791	R->szHint.width, R->szHint.height);	1113	szHint.width, szHint.height);
792	#else	1114	#else
793	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1115	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
794	R->szHint.height);
795	#endif	1116	#endif
796	}	1117	}
797		1118
798	fix_screen = (R->TermWin.ncol != R->h->prev_ncol	1119	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
799	|| R->TermWin.nrow != R->h->prev_nrow);	1120
800	if (fix_screen || width != R->h->old_width || height != R->h->old_height) {	1121	if (fix_screen || newwidth != old_width || newheight != old_height)
801	if (scrollbar_visible(R)) {	1122	{
802	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->h->window_sb_x,	1123	if (scrollBar.state)
803	0, scrollbar_TotalWidth(), R->szHint.height);	1124	{
804	rxvt_Resize_scrollBar(aR);	1125	XMoveResizeWindow (disp, scrollBar.win,
805	}	1126	window_sb_x, 0,
806	if (menubar_visible(R))	1127	scrollbar_TotalWidth (), szHint.height);
807	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->h->window_vt_x,	1128	resize_scrollbar ();
808	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1129	}
809	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->h->window_vt_x,	1130
810	R->h->window_vt_y, TermWin_TotalWidth(),	1131	XMoveResizeWindow (disp, vt,
811	TermWin_TotalHeight());	1132	window_vt_x, window_vt_y,
812	#ifdef RXVT_GRAPHICS	1133	width, height);
813	if (R->h->old_height)	1134
814	rxvt_Gr_Resize(aR_ R->h->old_width - R->szHint.base_width,	1135	scr_clear ();
815	R->h->old_height - R->szHint.base_height);
816	#endif
817	rxvt_scr_clear(aR);
818	#ifdef XPM_BACKGROUND	1136	#ifdef XPM_BACKGROUND
819	rxvt_resize_pixmap(aR);	1137	resize_pixmap ();
820	#endif	1138	#endif
821	}	1139	}
822		1140
823	if (fix_screen || R->h->old_height == 0) {	1141	if (fix_screen || old_height == 0)
824	int curr_screen = -1;	1142	{
825	uint16_t old_ncol = R->h->prev_ncol;	1143	int curr_screen = -1;
		1144	int old_ncol = prev_ncol;
826		1145
827	/* scr_reset only works on the primary screen */	1146	/* scr_reset only works on the primary screen */
828	if (R->h->old_height) /* this is not the first time through */	1147	if (old_height) /* this is not the first time through */
		1148	{
		1149	unsigned int ocol = ncol;
		1150	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
829	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1151	curr_screen = scr_change_screen (PRIMARY);
830	rxvt_scr_reset(aR);	1152	ncol = ocol;
		1153	}
		1154
		1155	scr_reset ();
		1156
831	if (curr_screen >= 0) { /* this is not the first time through */	1157	if (curr_screen >= 0) /* this is not the first time through */
832	rxvt_scr_change_screen(aR_ curr_screen);	1158	{
833	rxvt_selection_check(aR_ (old_ncol != R->TermWin.ncol ? 4 : 0));	1159	scr_change_screen (curr_screen);
834	}	1160	selection_check (old_ncol != ncol ? 4 : 0);
		1161	}
835	}	1162	}
836		1163
837	R->h->old_width = R->szHint.width;	1164	old_width = szHint.width;
838	R->h->old_height = R->szHint.height;	1165	old_height = szHint.height;
		1166
		1167	#ifdef XPM_BACKGROUND
		1168	if (pixmap)
		1169	scr_touch (false);
		1170	#endif
839		1171
840	#ifdef USE_XIM	1172	#ifdef USE_XIM
841	rxvt_IMSetStatusPosition(aR);	1173	IMSetStatusPosition ();
842	#endif	1174	#endif
843	}	1175	}
844		1176
845	/*	1177	/*
846	* Set the width/height of the vt window in characters. Units are pixels.	1178	* Set the width/height of the vt window in characters. Units are pixels.
847	* good for toggling 80/132 columns	1179	* good for toggling 80/132 columns
848	*/	1180	*/
849	/* EXTPROTO */
850	void	1181	void
851	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1182	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
852	{	1183	{
853	XWindowAttributes wattr;	1184	XWindowAttributes wattr;
854		1185
855	if (width == 0 || height == 0) {	1186	if (newwidth == 0 || newheight == 0)
		1187	{
856	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1188	XGetWindowAttributes (display->display, display->root, &wattr);
		1189
857	if (width == 0)	1190	if (newwidth == 0)
858	width = wattr.width - R->szHint.base_width;	1191	newwidth = wattr.width - szHint.base_width;
859	if (height == 0)	1192	if (newheight == 0)
860	height = wattr.height - R->szHint.base_height;	1193	newheight = wattr.height - szHint.base_height;
		1194	}
		1195
		1196	if (newwidth != width || newheight != height)
861	}	1197	{
862	if (width != R->TermWin.width || height != R->TermWin.height) {
863	width += R->szHint.base_width;	1198	newwidth += szHint.base_width;
864	height += R->szHint.base_height;	1199	newheight += szHint.base_height;
865	rxvt_resize_all_windows(aR_ width, height, 0);	1200	resize_all_windows (newwidth, newheight, 0);
866	}	1201	}
867	}	1202	}
868		1203
869	/* -------------------------------------------------------------------- *	1204	/* -------------------------------------------------------------------- *
870	* - X INPUT METHOD ROUTINES - *	1205	* - X INPUT METHOD ROUTINES - *
871	* -------------------------------------------------------------------- */	1206	* -------------------------------------------------------------------- */
872	#ifdef USE_XIM	1207	#ifdef USE_XIM
873	/* INTPROTO */
874	void
875	rxvt_setSize(pR_ XRectangle *size)
876	{
877	size->x = R->TermWin.int_bwidth;
878	size->y = R->TermWin.int_bwidth;
879	size->width = Width2Pixel(R->TermWin.ncol);
880	size->height = Height2Pixel(R->TermWin.nrow);
881	}
882		1208
883	/* INTPROTO */
884	void	1209	void
885	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1210	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
886	{	1211	{
887	*fg = R->PixColors[Color_fg];	1212	fg = pix_colors[Color_fg];
888	*bg = R->PixColors[Color_bg];	1213	bg = pix_colors[Color_bg];
		1214	}
		1215
		1216	void
		1217	rxvt_term::im_set_size (XRectangle &size)
		1218	{
		1219	// the int_bwidth terms make no sense to me
		1220	size.x = int_bwidth;
		1221	size.y = int_bwidth;
		1222	size.width = Width2Pixel (ncol) + int_bwidth;
		1223	size.height = Height2Pixel (nrow) + int_bwidth;
		1224	}
		1225
		1226	void
		1227	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1228	XRectangle &status_rect,
		1229	const XRectangle &needed_rect)
		1230	{
		1231	preedit_rect.x = needed_rect.width;
		1232	preedit_rect.y = 0;
		1233	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1234	preedit_rect.height = fheight;
		1235
		1236	status_rect.x = 0;
		1237	status_rect.y = 0;
		1238	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1239	status_rect.height = fheight;
889	}	1240	}
890		1241
891	/* Checking whether input method is running. */	1242	/* Checking whether input method is running. */
892	/* INTPROTO */
893	Bool	1243	bool
894	rxvt_IMisRunning(pR)	1244	rxvt_term::IMisRunning ()
895	{	1245	{
896	char *p;	1246	char *p;
897	Atom atom;	1247	Atom atom;
898	Window win;	1248	Window win;
899	char server[IMBUFSIZ];	1249	char server[IMBUFSIZ];
900		1250
901	/* get current locale modifier */	1251	/* get current locale modifier */
902	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1252	if ((p = XSetLocaleModifiers (NULL)) != NULL)
903	STRCPY(server, "@server=");	1253	{
		1254	strcpy (server, "@server=");
904	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1255	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1256
905	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1257	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
906	*p = '\0';	1258	*p = '\0';
907		1259
908	atom = XInternAtom(R->Xdisplay, server, False);	1260	atom = XInternAtom (display->display, server, False);
909	win = XGetSelectionOwner(R->Xdisplay, atom);	1261	win = XGetSelectionOwner (display->display, atom);
		1262
910	if (win != None)	1263	if (win != None)
911	return True;	1264	return True;
912	}	1265	}
		1266
913	return False;	1267	return False;
914	}	1268	}
915		1269
916	/* EXTPROTO */
917	void	1270	void
918	rxvt_IMSendSpot(pR)	1271	rxvt_term::IMSendSpot ()
919	{	1272	{
920	XPoint spot;	1273	XPoint nspot;
921	XVaNestedList preedit_attr;	1274	XVaNestedList preedit_attr;
922		1275
923	if (R->h->Input_Context == NULL	1276	if (!Input_Context
924	|| !R->TermWin.focus	1277	|| !focus
925	|| !(R->h->input_style & XIMPreeditPosition)	1278	|| !(input_style & XIMPreeditPosition))
926	|| !(R->h->event_type == KeyPress	1279	return;
927	|| R->h->event_type == Expose
928	|| R->h->event_type == NoExpose
929	|| R->h->event_type == SelectionNotify
930	|| R->h->event_type == ButtonRelease
931	|| R->h->event_type == FocusIn)
932	|| !rxvt_IMisRunning(aR))
933	return;
934		1280
935	rxvt_setPosition(aR_ &spot);	1281	im_set_position (nspot);
936		1282
		1283	if (nspot.x == spot.x && nspot.y == spot.y)
		1284	return;
		1285
		1286	spot = nspot;
		1287
937	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1288	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
938	XSetICValues(R->h->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1289	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
939	XFree(preedit_attr);	1290	XFree (preedit_attr);
940	}	1291	}
941		1292
942	/* EXTPROTO */
943	void	1293	void
944	rxvt_setTermFontSet(pR_ int idx)	1294	rxvt_term::im_destroy ()
945	{	1295	{
946	char *string;	1296	if (input_method)
947	long length;	1297	{
948	int success = 0;	1298	if (Input_Context && input_method->xim)
		1299	XDestroyIC (Input_Context);
949		1300
950	if (idx < 0 || idx >= MAX_NFONTS)	1301	display->put_xim (input_method);
951	return;	1302	input_method = 0;
952	}
953
954	/* INTPROTO */
955	void
956	rxvt_setPreeditArea(pR_ XRectangle *preedit_rect, XRectangle *status_rect, XRectangle *needed_rect)
957	{
958	int mbh, vtx = 0;
959
960	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
961	vtx = scrollbar_TotalWidth();
962	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
963	mbh -= R->TermWin.lineSpace;
964
965	preedit_rect->x = needed_rect->width + vtx;
966	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
967
968	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
969	+ vtx;
970	preedit_rect->height = Height2Pixel(1);
971
972	status_rect->x = vtx;
973	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
974
975	status_rect->width = needed_rect->width ? needed_rect->width
976	: Width2Pixel(R->TermWin.ncol + 1);
977	status_rect->height = Height2Pixel(1);
978	}
979
980	/* ARGSUSED */
981	/* INTPROTO */
982	void
983	rxvt_IMDestroyCallback(XIM xim __attribute__((unused)), XPointer client_data __attribute__((unused)), XPointer call_data __attribute__((unused)))
984	{
985	dR;
986
987	R->h->Input_Context = NULL;
988	/* To avoid Segmentation Fault in C locale: Solaris only? */
989	if (STRCMP(R->h->locale, "C"))
990	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
991	rxvt_IMInstantiateCallback, NULL);
992	}
993
994	/*
995	* X manual pages and include files don't match on some systems:
996	* some think this is an XIDProc and others an XIMProc so we can't
997	* use the first argument - need to update this to be nice for
998	* both types via some sort of configure detection
999	*/
1000	/* ARGSUSED */
1001	/* EXTPROTO */
1002	void
1003	rxvt_IMInstantiateCallback(Display *unused __attribute__((unused)), XPointer client_data __attribute__((unused)), XPointer call_data __attribute__((unused)))
1004	{
1005	dR;
1006	int i, found, had_im;
1007	const char *p;
1008	char **s;
1009	char buf[IMBUFSIZ];
1010
1011	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1012	if (R->h->Input_Context)
1013	return;
1014
1015	found = had_im = 0;
1016	p = R->h->rs[Rs_inputMethod];
1017	if (p && *p) {
1018	had_im = 1;
1019	s = rxvt_splitcommastring(p);
1020	for (i = 0; s[i]; i++) {
1021	if (*s[i]) {
1022	STRCPY(buf, "@im=");
1023	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1024	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1025	&& (rxvt_IM_get_IC(aR) == True)) {
1026	found = 1;
1027	break;
1028	}
1029	}	1303	}
1030	}
1031	for (i = 0; s[i]; i++)
1032	free(s[i]);
1033	free(s);
1034	}
1035	if (found)
1036	return;
1037		1304
1038	/* try with XMODIFIERS env. var. */	1305	Input_Context = 0;
1039	if ((p = XSetLocaleModifiers("")) != NULL && *p) {
1040	rxvt_IM_get_IC(aR);
1041	return;
1042	}
1043
1044	/* try with no modifiers base IF the user didn't specify an IM */
1045	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1046	&& rxvt_IM_get_IC(aR) == True)
1047	return;
1048	}	1306	}
1049		1307
1050	/*	1308	/*
1051	* Try to open a XIM with the current modifiers, then see if we can	1309	* Try to open a XIM with the current modifiers, then see if we can
1052	* open a suitable preedit type	1310	* open a suitable preedit type
1053	*/	1311	*/
1054	/* INTPROTO */
1055	Bool	1312	bool
1056	rxvt_IM_get_IC(pR)	1313	rxvt_term::IM_get_IC (const char *modifiers)
1057	{	1314	{
1058	int i, j, found;	1315	int i, j, found;
1059	XIM xim;	1316	XIM xim;
1060	XPoint spot;	1317	XPoint spot;
1061	XRectangle rect, status_rect, needed_rect;	1318	XRectangle rect, status_rect, needed_rect;
1062	unsigned long fg, bg;	1319	unsigned long fg, bg;
1063	const char *p;	1320	const char *p;
1064	char **s;	1321	char **s;
1065	XIMStyles *xim_styles;	1322	XIMStyles *xim_styles;
1066	XVaNestedList preedit_attr, status_attr;
1067	XIMCallback ximcallback;
1068	struct rxvt_hidden *h = R->h;
1069		1323
		1324	set_environ (envv);
		1325
		1326	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1327	return false;
		1328
1070	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1329	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1071	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1330	input_method = display->get_xim (locale, modifiers);
1072	if (xim == NULL)	1331	if (input_method == NULL)
1073	return False;	1332	return false;
1074		1333
		1334	xim = input_method->xim;
		1335	spot.x = spot.y = -1;
		1336
1075	xim_styles = NULL;	1337	xim_styles = NULL;
1076	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1338	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1077	|| !xim_styles || !xim_styles->count_styles) {	1339	|| !xim_styles || !xim_styles->count_styles)
1078	XCloseIM(xim);
1079	return False;
1080	}	1340	{
		1341	im_destroy ();
		1342	return false;
		1343	}
1081		1344
1082	p = h->rs[Rs_preeditType] ? h->rs[Rs_preeditType]	1345	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1083	: "OverTheSpot,OffTheSpot,Root";	1346
		1347	for (int pi = 0; pi < 2; pi++)
		1348	{
		1349	p = pet[pi];
		1350
		1351	if (!p)
		1352	continue;
		1353
1084	s = rxvt_splitcommastring(p);	1354	s = rxvt_splitcommastring (p);
		1355
1085	for (i = found = 0; !found && s[i]; i++) {	1356	for (i = found = 0; !found && s[i]; i++)
1086	if (!STRCMP(s[i], "OverTheSpot"))	1357	{
		1358	if (!strcmp (s[i], "OverTheSpot"))
1087	h->input_style = (XIMPreeditPosition | XIMStatusNothing);	1359	input_style = (XIMPreeditPosition | XIMStatusNothing);
1088	else if (!STRCMP(s[i], "OffTheSpot"))	1360	else if (!strcmp (s[i], "OffTheSpot"))
1089	h->input_style = (XIMPreeditArea | XIMStatusArea);	1361	input_style = (XIMPreeditArea | XIMStatusArea);
1090	else if (!STRCMP(s[i], "Root"))	1362	else if (!strcmp (s[i], "Root"))
1091	h->input_style = (XIMPreeditNothing | XIMStatusNothing);	1363	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1364	else if (!strcmp (s[i], "None"))
		1365	input_style = (XIMPreeditNone | XIMStatusNone);
1092		1366
1093	for (j = 0; j < xim_styles->count_styles; j++)	1367	for (j = 0; j < xim_styles->count_styles; j++)
1094	if (h->input_style == xim_styles->supported_styles[j]) {	1368	if (input_style == xim_styles->supported_styles[j])
1095	found = 1;	1369	{
1096	break;	1370	rxvt_freecommastring (s);
		1371
		1372	found = 1;
		1373	goto foundpet;
		1374	}
		1375
		1376	}
		1377
		1378	rxvt_freecommastring (s);
1097	}	1379	}
1098	}	1380
1099	for (i = 0; s[i]; i++)	1381	foundpet:
1100	free(s[i]);	1382
1101	free(s);
1102	XFree(xim_styles);	1383	XFree (xim_styles);
1103		1384
1104	if (!found) {	1385	if (!found)
1105	XCloseIM(xim);
1106	return False;
1107	}	1386	{
		1387	im_destroy ();
		1388	return false;
		1389	}
1108		1390
1109	ximcallback.callback = rxvt_IMDestroyCallback;	1391	XFontSet fs = 0;
1110
1111	/* XXX: not sure why we need this (as well as IC one below) */
1112	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1113
1114	preedit_attr = status_attr = NULL;	1392	XVaNestedList preedit_attr = 0, status_attr = 0;
1115		1393
		1394	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1395	{
		1396	// fake us a font-set, please
		1397	char **missing_charset_list;
		1398	int missing_charset_count;
		1399	char *def_string;
		1400	char pat[512];
		1401
		1402	sprintf (pat,
		1403	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1404	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1405	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1406	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1407	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1408	"*",
		1409	fheight,
		1410	fheight + 1, fheight - 1,
		1411	fheight - 2, fheight + 2);
		1412
		1413	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1414	&missing_charset_list, &missing_charset_count, &def_string);
		1415
		1416	if (missing_charset_list)
		1417	XFreeStringList (missing_charset_list);
		1418
		1419	if (!fs)
		1420	{
		1421	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1422	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1423	}
		1424	}
		1425
1116	if (h->input_style & XIMPreeditPosition) {	1426	if (input_style & XIMPreeditPosition)
1117	rxvt_setSize(aR_ &rect);	1427	{
1118	rxvt_setPosition(aR_ &spot);	1428	im_set_size (rect);
1119	rxvt_setColor(aR_ &fg, &bg);	1429	im_set_position (spot);
		1430	im_set_color (fg, bg);
1120		1431
1121	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1432	preedit_attr = XVaCreateNestedList (0,
1122	XNSpotLocation, &spot,	1433	XNForeground, fg,
1123	XNForeground, fg,	1434	XNBackground, bg,
1124	XNBackground, bg,	1435	XNArea, &rect,
1125	//XNFontSet, R->TermWin.fontset,	1436	XNSpotLocation, &spot,
1126	NULL);	1437	XNFontSet, fs,
1127	} else if (h->input_style & XIMPreeditArea) {
1128	rxvt_setColor(aR_ &fg, &bg);
1129
1130	/*
1131	* The necessary width of preedit area is unknown
1132	* until create input context.
1133	*/
1134	needed_rect.width = 0;
1135
1136	rxvt_setPreeditArea(aR_ &rect, &status_rect, &needed_rect);
1137
1138	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1139	XNForeground, fg,
1140	XNBackground, bg,
1141	//XNFontSet, R->TermWin.fontset,
1142	NULL);
1143	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1144	XNForeground, fg,
1145	XNBackground, bg,
1146	//XNFontSet, R->TermWin.fontset,
1147	NULL);	1438	NULL);
1148	}	1439	}
1149	h->Input_Context = XCreateIC(xim, XNInputStyle, h->input_style,	1440	else if (input_style & XIMPreeditArea)
1150	XNClientWindow, R->TermWin.parent[0],	1441	{
1151	XNFocusWindow, R->TermWin.parent[0],	1442	im_set_color (fg, bg);
1152	XNDestroyCallback, &ximcallback,	1443
1153	preedit_attr ? XNPreeditAttributes : NULL,	1444	/*
1154	preedit_attr,	1445	* The necessary width of preedit area is unknown
1155	status_attr ? XNStatusAttributes : NULL,	1446	* until create input context.
1156	status_attr, NULL);	1447	*/
1157	if (preedit_attr)	1448	needed_rect.width = 0;
1158	XFree(preedit_attr);	1449	im_set_preedit_area (rect, status_rect, needed_rect);
1159	if (status_attr)	1450
1160	XFree(status_attr);	1451	preedit_attr = XVaCreateNestedList (0,
		1452	XNForeground, fg,
		1453	XNBackground, bg,
		1454	XNArea, &rect,
		1455	XNFontSet, fs,
		1456	NULL);
		1457	status_attr = XVaCreateNestedList (0,
		1458	XNForeground, fg,
		1459	XNBackground, bg,
		1460	XNArea, &status_rect,
		1461	XNFontSet, fs,
		1462	NULL);
		1463	}
		1464
		1465	Input_Context = XCreateIC (xim,
		1466	XNInputStyle, input_style,
		1467	XNClientWindow, vt,
		1468	XNFocusWindow, parent[0],
		1469	preedit_attr ? XNPreeditAttributes : NULL,
		1470	preedit_attr,
		1471	status_attr ? XNStatusAttributes : NULL,
		1472	status_attr, NULL);
		1473
		1474	if (preedit_attr) XFree (preedit_attr);
		1475	if (status_attr) XFree (status_attr);
		1476	if (fs) XFreeFontSet (display->display, fs);
		1477
1161	if (h->Input_Context == NULL) {	1478	if (Input_Context == NULL)
1162	rxvt_print_error("failed to create input context");
1163	XCloseIM(xim);
1164	return False;
1165	}	1479	{
		1480	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1481	im_destroy ();
		1482	return false;
		1483	}
		1484
1166	if (h->input_style & XIMPreeditArea)	1485	if (input_style & XIMPreeditArea)
1167	rxvt_IMSetStatusPosition(aR);	1486	IMSetStatusPosition ();
		1487
1168	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1488	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1169	return True;	1489	return true;
1170	}	1490	}
1171		1491
1172	/* EXTPROTO */
1173	void	1492	void
		1493	rxvt_term::im_cb ()
		1494	{
		1495	int i;
		1496	const char *p;
		1497	char **s;
		1498	char buf[IMBUFSIZ];
		1499
		1500	make_current ();
		1501
		1502	im_destroy ();
		1503
		1504	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1505	if (Input_Context)
		1506	return;
		1507
		1508	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1509	if (rs[Rs_imLocale])
		1510	SET_LOCALE (rs[Rs_imLocale]);
		1511	#endif
		1512
		1513	p = rs[Rs_inputMethod];
		1514	if (p && *p)
		1515	{
		1516	bool found = false;
		1517
		1518	s = rxvt_splitcommastring (p);
		1519
		1520	for (i = 0; s[i]; i++)
		1521	{
		1522	if (*s[i])
		1523	{
		1524	strcpy (buf, "@im=");
		1525	strncat (buf, s[i], IMBUFSIZ - 5);
		1526	if (IM_get_IC (buf))
		1527	{
		1528	found = true;
		1529	break;
		1530	}
		1531	}
		1532	}
		1533
		1534	rxvt_freecommastring (s);
		1535
		1536	if (found)
		1537	goto done;
		1538	}
		1539
		1540	/* try with XMODIFIERS env. var. */
		1541	if (IM_get_IC (""))
		1542	goto done;
		1543
		1544	/* try with no modifiers base IF the user didn't specify an IM */
		1545	if (IM_get_IC ("@im=none"))
		1546	goto done;
		1547
		1548	done:
		1549	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1550	if (rs[Rs_imLocale])
		1551	SET_LOCALE (locale);
		1552	#endif
		1553	}
		1554
		1555	void
1174	rxvt_IMSetStatusPosition(pR)	1556	rxvt_term::IMSetStatusPosition ()
1175	{	1557	{
1176	XRectangle preedit_rect, status_rect, *needed_rect;	1558	XRectangle preedit_rect, status_rect, *needed_rect;
1177	XVaNestedList preedit_attr, status_attr;	1559	XVaNestedList preedit_attr, status_attr;
1178		1560
1179	if (R->h->Input_Context == NULL	1561	if (!Input_Context
1180	|| !R->TermWin.focus	1562	|| !focus
1181	|| !(R->h->input_style & XIMPreeditArea)	1563	|| !(input_style & XIMPreeditArea)
1182	|| !rxvt_IMisRunning(aR))	1564	|| !IMisRunning ())
1183	return;	1565	return;
1184		1566
1185	/* Getting the necessary width of preedit area */	1567	/* Getting the necessary width of preedit area */
1186	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1568	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1187	XGetICValues(R->h->Input_Context, XNStatusAttributes, status_attr, NULL);	1569	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1188	XFree(status_attr);	1570	XFree (status_attr);
1189		1571
1190	rxvt_setPreeditArea(aR_ &preedit_rect, &status_rect, needed_rect);	1572	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1573	XFree (needed_rect);
1191		1574
1192	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1575	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1193	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1576	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1194		1577
1195	XSetICValues(R->h->Input_Context,	1578	XSetICValues (Input_Context,
1196	XNPreeditAttributes, preedit_attr,	1579	XNPreeditAttributes, preedit_attr,
1197	XNStatusAttributes, status_attr, NULL);	1580	XNStatusAttributes, status_attr, NULL);
1198		1581
1199	XFree(preedit_attr);	1582	XFree (preedit_attr);
1200	XFree(status_attr);	1583	XFree (status_attr);
1201	}	1584	}
1202	#endif /* USE_XIM */	1585	#endif /* USE_XIM */
1203
1204	/*----------------------------------------------------------------------*/
1205	rxvt_t *rxvt_current_term;
1206		1586
1207	/*----------------------- end-of-file (C source) -----------------------*/	1587	/*----------------------- end-of-file (C source) -----------------------*/

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