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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.2 by pcg, Mon Nov 24 17:31:27 2003 UTC vs.
Revision 1.120 by root, Mon Dec 13 19:16:36 2004 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.2 2003/11/24 17:31:27 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) 2003-2004 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 "main.intpro" /* PROTOS for internal routines */
36		36
37	#include <signal.h>	37	#include <signal.h>
38		38
39	#ifdef TTY_GID_SUPPORT	39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	40	# include <grp.h>
…		…
42		42
43	#ifdef HAVE_TERMIOS_H	43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	44	# include <termios.h>
45	#endif	45	#endif
46		46
		47	#include <cstring>
		48
		49	vector<rxvt_term *> rxvt_term::termlist;
		50
		51	static char curlocale[128];
		52
		53	bool
		54	rxvt_set_locale (const char *locale)
		55	{
		56	if (!locale || !strncmp (locale, curlocale, 128))
		57	return false;
		58
		59	strncpy (curlocale, locale, 128);
		60	setlocale (LC_CTYPE, curlocale);
		61	return true;
		62	}
		63
		64	#if ENABLE_COMBINING
		65	class rxvt_composite_vec rxvt_composite;
		66
		67	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		68	{
		69	compose_char *cc;
		70
		71	// break compose chains, as stupid readline really likes to duplicate
		72	// composing characters for some reason near the end of a line.
		73	cc = (*this)[c1];
		74	while (cc)
		75	{
		76	if (cc->c2 == c2) return c1;
		77	cc = (*this)[cc->c1];
		78	}
		79
		80	// check to see wether this combination already exists otherwise
		81	for (cc = v.end (); cc-- > v.begin (); )
		82	{
		83	if (cc->c1 == c1 && cc->c2 == c2)
		84	return COMPOSE_LO + (cc - v.begin ());
		85	}
		86
		87	// allocate a new combination
		88	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		89	{
		90	static int seen;
		91
		92	if (!seen++)
		93	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		94
		95	return REPLACEMENT_CHAR;
		96	}
		97
		98	v.push_back (compose_char (c1, c2));
		99
		100	return v.size () - 1 + COMPOSE_LO;
		101	}
		102
		103	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		104	{
		105	compose_char *cc = (*this)[c];
		106
		107	if (!cc)
		108	{
		109	if (r) *r = c;
		110	return 1;
		111	}
		112
		113	int len = expand (cc->c1, r);
		114
		115	if (r) r += len;
		116
		117	if (cc->c2 != NOCHAR)
		118	{
		119	len++;
		120	if (r) *r++ = cc->c2;
		121	}
		122
		123	return len;
		124
		125	}
		126	#endif
		127
		128	rxvt_term::rxvt_term ()
		129	:
		130	#if TRANSPARENT
		131	rootwin_ev (this, &rxvt_term::rootwin_cb),
		132	#endif
		133	#ifdef HAVE_SCROLLBARS
		134	scrollbar_ev (this, &rxvt_term::x_cb),
		135	#endif
		136	#ifdef MENUBAR
		137	menubar_ev (this, &rxvt_term::x_cb),
		138	#endif
		139	#ifdef CURSOR_BLINK
		140	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		141	#endif
		142	#ifdef TEXT_BLINK
		143	text_blink_ev (this, &rxvt_term::text_blink_cb),
		144	#endif
		145	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		146	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		147	#endif
		148	#ifdef SELECTION_SCROLLING
		149	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		150	#endif
		151	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		152	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
		153	#endif
		154	#ifdef POINTER_BLANK
		155	pointer_ev (this, &rxvt_term::pointer_cb),
		156	#endif
		157	#ifdef USE_XIM
		158	im_ev (this, &rxvt_term::im_cb),
		159	#endif
		160	sw_term (this, &rxvt_term::sig_term),
		161	sw_chld (this, &rxvt_term::sig_chld),
		162	termwin_ev (this, &rxvt_term::x_cb),
		163	vt_ev (this, &rxvt_term::x_cb),
		164	check_ev (this, &rxvt_term::check_cb),
		165	flush_ev (this, &rxvt_term::flush_cb),
		166	destroy_ev (this, &rxvt_term::destroy_cb),
		167	pty_ev (this, &rxvt_term::pty_cb),
		168	incr_ev (this, &rxvt_term::incr_cb)
		169	{
		170	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		171
		172	termlist.push_back (this);
		173	}
		174
		175	rxvt_term::~rxvt_term ()
		176	{
		177	termlist.erase (find (termlist.begin (), termlist.end(), this));
		178
		179	if (cmd_pid)
		180	kill (-cmd_pid, SIGHUP);
		181
		182	pty.put ();
		183
		184	#ifdef UTMP_SUPPORT
		185	privileged_utmp (RESTORE);
		186	#endif
		187
		188	#if ENABLE_STYLES
		189	for (int i = RS_styleCount; --i; )
		190	if (TermWin.fontset[i] != TermWin.fontset[0])
		191	delete TermWin.fontset[i];
		192	#endif
		193	delete TermWin.fontset[0];
		194
		195	if (display)
		196	{
		197	selection_clear ();
		198
		199	#ifdef USE_XIM
		200	im_destroy ();
		201	#endif
		202	#ifdef MENUBAR
		203	if (menubarGC) XFreeGC (display->display, menubarGC);
		204	#endif
		205	#ifdef XTERM_SCROLLBAR
		206	if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);
		207	if (ShadowGC) XFreeGC (display->display, ShadowGC);
		208	#endif
		209	#ifdef PLAIN_SCROLLBAR
		210	if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);
		211	#endif
		212	#ifdef NEXT_SCROLLBAR
		213	if (blackGC) XFreeGC (display->display, blackGC);
		214	if (whiteGC) XFreeGC (display->display, whiteGC);
		215	if (grayGC) XFreeGC (display->display, grayGC);
		216	if (darkGC) XFreeGC (display->display, darkGC);
		217	if (stippleGC) XFreeGC (display->display, stippleGC);
		218	if (dimple) XFreePixmap (display->display, dimple);
		219	if (upArrow) XFreePixmap (display->display, upArrow);
		220	if (downArrow) XFreePixmap (display->display, downArrow);
		221	if (upArrowHi) XFreePixmap (display->display, upArrowHi);
		222	if (downArrowHi) XFreePixmap (display->display, downArrowHi);
		223	#endif
		224	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
		225	if (topShadowGC) XFreeGC (display->display, topShadowGC);
		226	if (botShadowGC) XFreeGC (display->display, botShadowGC);
		227	if (scrollbarGC) XFreeGC (display->display, scrollbarGC);
		228	#endif
		229	if (TermWin.gc) XFreeGC (display->display, TermWin.gc);
		230
		231	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
		232	delete menuBar.drawable;
		233	//if (menuBar.win)
		234	// XDestroyWindow (display->display, menuBar.win);
		235	#endif
		236	delete TermWin.drawable;
		237	// destroy all windows
		238	if (TermWin.parent[0])
		239	XDestroyWindow (display->display, TermWin.parent[0]);
		240	}
		241
		242	// TODO: free pixcolours, colours should become part of rxvt_display
		243
		244	delete pix_colors_focused;
		245	#ifdef OFF_FOCUS_FADING
		246	delete pix_colors_unfocused;
		247	#endif
		248
		249	displays.put (display);
		250
		251	scr_release ();
		252
		253	/* clear all resources */
		254	for (int i = 0; i < allocated.size (); i++)
		255	free (allocated[i]);
		256
		257	free (selection.text);
		258	// TODO: manage env vars in child only(!)
		259	free (env_windowid);
		260	free (env_display);
		261	free (env_term);
		262	free (env_colorfgbg);
		263	free (locale);
		264	free (v_buffer);
		265	free (incr_buf);
		266
		267	delete envv;
		268	delete argv;
		269	}
		270
		271	void
		272	rxvt_term::destroy ()
		273	{
		274	if (destroy_ev.active)
		275	return;
		276
		277	#if ENABLE_OVERLAY
		278	scr_overlay_off ();
		279	#endif
		280
		281	if (display)
		282	{
		283	#if USE_XIM
		284	im_ev.stop (display);
		285	#endif
		286	#if HAVE_SCROLLBARS
		287	scrollbar_ev.stop (display);
		288	#endif
		289	#if MENUBAR
		290	menubar_ev.stop (display);
		291	#endif
		292	#if TRANSPARENT
		293	rootwin_ev.stop (display);
		294	#endif
		295	incr_ev.stop ();
		296	termwin_ev.stop (display);
		297	vt_ev.stop (display);
		298	}
		299
		300	check_ev.stop ();
		301	pty_ev.stop ();
		302	#ifdef CURSOR_BLINK
		303	cursor_blink_ev.stop ();
		304	#endif
		305	#ifdef TEXT_BLINK
		306	text_blink_ev.stop ();
		307	#endif
		308	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		309	cont_scroll_ev.stop ();
		310	#endif
		311	#ifdef SELECTION_SCROLLING
		312	sel_scroll_ev.stop ();
		313	#endif
		314	#ifdef POINTER_BLANK
		315	pointer_ev.stop ();
		316	#endif
		317
		318	destroy_ev.start (0);
		319	}
		320
		321	void
		322	rxvt_term::destroy_cb (time_watcher &w)
		323	{
		324	SET_R (this);
		325
		326	delete this;
		327	}
		328
47	/*----------------------------------------------------------------------*/	329	/*----------------------------------------------------------------------*/
48	/* rxvt_init() */	330	/* rxvt_init () */
49	/* LIBPROTO */	331	bool
50	rxvt_t *
51	rxvt_init(int argc, const char *const *argv)	332	rxvt_term::init (int argc, const char *const *argv)
52	{	333	{
53	const char **cmd_argv;	334	SET_R (this);
54		335
55	SET_R ((rxvt_t *)rxvt_calloc(1, sizeof(rxvt_t)));	336	if (!init_vars ())
		337	return false;
56		338
57	dR;
58	if (rxvt_init_vars(aR) < 0) {
59	free(R);
60	return NULL;
61	}
62
63	/*
64	* Save and then give up any super-user privileges
65	* If we need privileges in any area then we must specifically request it.
66	* We should only need to be root in these cases:
67	* 1. write utmp entries on some systems
68	* 2. chown tty on some systems
69	*/
70	rxvt_privileges(aR_ SAVE);
71	rxvt_privileges(aR_ IGNORE);
72
73	rxvt_init_secondary(aR);	339	init_secondary ();
74		340
75	cmd_argv = rxvt_init_resources(aR_ argc, argv);	341	const char **cmd_argv = init_resources (argc, argv);
76		342
		343	set_locale ("");
		344
		345	#if MENUBAR_MAX
		346	menubar_read (rs[Rs_menu]);
		347	#endif
		348	#ifdef HAVE_SCROLLBARS
		349	if (options & Opt_scrollBar)
		350	scrollBar.setIdle (); /* set existence for size calculations */
		351	#endif
		352
		353	create_windows (argc, argv);
		354
		355	init_xlocale ();
		356
		357	scr_reset (); /* initialize screen */
		358
		359	#if 0
		360	XSynchronize (display->display, True);
		361	#endif
		362
		363	#ifdef HAVE_SCROLLBARS
		364	if (options & Opt_scrollBar)
		365	resize_scrollbar (); /* create and map scrollbar */
		366	#endif
77	#if (MENUBAR_MAX)	367	#if (MENUBAR_MAX)
78	rxvt_menubar_read(aR_ R->h->rs[Rs_menu]);
79	#endif
80	#ifdef HAVE_SCROLLBARS
81	if (R->Options & Opt_scrollBar)
82	scrollbar_setIdle(); /* set existence for size calculations */
83	#endif
84
85	rxvt_Create_Windows(aR_ argc, argv);
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
93
94	#if 0
95	#ifdef DEBUG_X
96	XSynchronize(R->Xdisplay, True);
97	XSetErrorHandler((XErrorHandler) abort);
98	#else
99	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
100	#endif
101	#endif
102
103	#ifdef HAVE_SCROLLBARS
104	if (R->Options & Opt_scrollBar)
105	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
106	#endif
107	#if (MENUBAR_MAX)
108	if (menubar_visible(r))	368	if (menubar_visible ())
109	XMapWindow(R->Xdisplay, R->menuBar.win);	369	XMapWindow (display->display, menuBar.win);
110	#endif	370	#endif
111	#ifdef TRANSPARENT	371	#ifdef TRANSPARENT
112	if (R->Options & Opt_transparent) {	372	if (options & Opt_transparent)
113	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);
114	rxvt_check_our_parents(aR);
115	}	373	{
		374	XSelectInput (display->display, display->root, PropertyChangeMask);
		375	check_our_parents ();
		376	rootwin_ev.start (display, display->root);
		377	}
116	#endif	378	#endif
		379
117	XMapWindow(R->Xdisplay, R->TermWin.vt);	380	XMapWindow (display->display, TermWin.vt);
118	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);	381	XMapWindow (display->display, TermWin.parent[0]);
119		382
120	rxvt_init_env(aR);	383	set_colorfgbg ();
		384
121	rxvt_init_command(aR_ cmd_argv);	385	init_command (cmd_argv);
122		386
123	return R;	387	pty_ev.start (pty.pty, EVENT_READ);
		388
		389	check_ev.start ();
		390
		391	return true;
		392	}
		393
		394	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
		395
		396	void
		397	rxvt_init ()
		398	{
		399	/*
		400	* Save and then give up any super-user privileges
		401	* If we need privileges in any area then we must specifically request it.
		402	* We should only need to be root in these cases:
		403	* 1. write utmp entries on some systems
		404	* 2. chown tty on some systems
		405	*/
		406	rxvt_privileges (SAVE);
		407	rxvt_privileges (IGNORE);
		408
		409	signal (SIGHUP, SIG_IGN);
		410	signal (SIGPIPE, SIG_IGN);
		411
		412	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		413	/* signal (SIGURG, SIG_DFL); */
		414
		415	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		416	// TODO: handle this with exceptions and tolerate the memory loss
		417	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
124	}	418	}
125		419
126	/* ------------------------------------------------------------------------- *	420	/* ------------------------------------------------------------------------- *
127	* SIGNAL HANDLING & EXIT HANDLER *	421	* SIGNAL HANDLING & EXIT HANDLER *
128	* ------------------------------------------------------------------------- */	422	* ------------------------------------------------------------------------- */
129	/*	423	/*
130	* Catch a SIGCHLD signal and exit if the direct child has died	424	* Catch a SIGCHLD signal and exit if the direct child has died
131	*/	425	*/
132	/* ARGSUSED */
133	/* EXTPROTO */
134	RETSIGTYPE
135	rxvt_Child_signal(int sig __attribute__((unused)))
136	{
137	dR;
138	int pid, save_errno = errno;
139		426
140	do {	427	void
141	errno = 0;	428	rxvt_term::sig_chld (sig_watcher &w)
142	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);	429	{
		430	// we are being called for every SIGCHLD, not just ours
		431	int pid;
143		432
		433	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
		434	for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
144	if (pid == R->h->cmd_pid)	435	if (pid == (*t)->cmd_pid)
145	exit(EXIT_SUCCESS);	436	{
146		437	(*t)->destroy ();
147	errno = save_errno;	438	break;
148	signal(SIGCHLD, rxvt_Child_signal);	439	}
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	}
177	rxvt_print_error("XError: Request: %d . %d, Error: %d",
178	event->request_code, event->minor_code,
179	event->error_code);
180	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
181	exit(EXIT_FAILURE);
182	/* NOTREACHED */
183	}	440	}
184		441
185	/*----------------------------------------------------------------------*/	442	/*----------------------------------------------------------------------*/
186	/*	443	/*
187	* Exit gracefully, clearing the utmp entry and restoring tty attributes	444	* Exit gracefully, clearing the utmp entry and restoring tty attributes
188	* TODO: if debugging, this should free up any known resources if we can	445	* TODO: if debugging, this should free up any known resources if we can
189	*/	446	*/
		447	void
		448	rxvt_destroy_all ()
		449	{
		450	// TODO: rxvtd should clean up all ressources
		451	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		452	(*t)->destroy ();
		453	}
		454
		455	/*
		456	* Catch a fatal signal and tidy up before quitting
		457	*/
		458	void
		459	rxvt_term::sig_term (sig_watcher &w)
		460	{
		461	#ifdef DEBUG_CMD
		462	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		463	#endif
		464	rxvt_destroy_all ();
		465	signal (w.signum, SIG_DFL);
		466	kill (getpid (), w.signum);
		467	}
		468
190	/* EXTPROTO */	469	/* INTPROTO */
191	void	470	int
192	rxvt_clean_exit(void)	471	rxvt_xerror_handler (Display *display, XErrorEvent *event)
193	{	472	{
194	dR;	473	if (GET_R->allowedxerror == -1)
195		474	GET_R->allowedxerror = event->error_code;
196	#ifdef DEBUG_SCREEN	475	else
197	rxvt_scr_release(aR);
198	#endif
199	#ifndef NO_SETOWNER_TTYDEV
200	rxvt_privileged_ttydev(aR_ RESTORE);
201	#endif
202	#ifdef UTMP_SUPPORT
203	rxvt_privileged_utmp(aR_ RESTORE);
204	#endif
205	#ifdef USE_XIM
206	if (R->h->Input_Context != NULL) {
207	XDestroyIC(R->h->Input_Context);
208	R->h->Input_Context = NULL;
209	}	476	{
210	#endif	477	old_xerror_handler (display, event);
		478	GET_R->destroy ();
		479	}
		480
		481	return 0;
211	}	482	}
212		483
213	/* ------------------------------------------------------------------------- *	484	/* ------------------------------------------------------------------------- *
214	* MEMORY ALLOCATION WRAPPERS *	485	* MEMORY ALLOCATION WRAPPERS *
215	* ------------------------------------------------------------------------- */	486	* ------------------------------------------------------------------------- */
		487	void *
		488	rxvt_malloc (size_t size)
		489	{
		490	void *p = malloc (size);
		491
		492	if (!p)
		493	rxvt_fatal ("memory allocation failure. aborting.\n");
		494
		495	return p;
		496	}
		497
216	/* EXTPROTO */	498	/* INTPROTO */
217	void *	499	void *
218	rxvt_malloc(size_t size)	500	rxvt_calloc (size_t number, size_t size)
219	{	501	{
220	void *p;	502	void *p = calloc (number, size);
221		503
222	p = malloc(size);
223	if (p)	504	if (!p)
		505	rxvt_fatal ("memory allocation failure. aborting.\n");
		506
224	return p;	507	return p;
225
226	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
227	rxvt_clean_exit();
228	exit(EXIT_FAILURE);
229	/* NOTREACHED */
230	}	508	}
231		509
232	/* EXTPROTO */	510	/* INTPROTO */
233	void *	511	void *
234	rxvt_calloc(size_t number, size_t size)
235	{
236	void *p;
237
238	p = calloc(number, size);
239	if (p)
240	return p;
241
242	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
243	rxvt_clean_exit();
244	exit(EXIT_FAILURE);
245	/* NOTREACHED */
246	}
247
248	/* EXTPROTO */
249	void *
250	rxvt_realloc(void *ptr, size_t size)	512	rxvt_realloc (void *ptr, size_t size)
251	{	513	{
252	void *p;
253
254	if (ptr)
255	p = realloc(ptr, size);	514	void *p = realloc (ptr, size);
256	else	515
257	p = malloc(size);
258	if (p)	516	if (!p)
		517	rxvt_fatal ("memory allocation failure. aborting.\n");
		518
259	return p;	519	return p;
260
261	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
262	rxvt_clean_exit();
263	exit(EXIT_FAILURE);
264	/* NOTREACHED */
265	}	520	}
		521
266	/* ------------------------------------------------------------------------- *	522	/* ------------------------------------------------------------------------- *
267	* PRIVILEGED OPERATIONS *	523	* PRIVILEGED OPERATIONS *
268	* ------------------------------------------------------------------------- */	524	* ------------------------------------------------------------------------- */
269	/* take care of suid/sgid super-user (root) privileges */	525	/* take care of suid/sgid super-user (root) privileges */
270	/* INTPROTO */
271	void	526	void
272	rxvt_privileges(pR_ int mode)	527	rxvt_privileges (rxvt_privaction action)
273	{	528	{
		529	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		530	static uid_t euid;
		531	static gid_t egid;
		532	#endif
		533
274	#if ! defined(__CYGWIN32__)	534	#if ! defined(__CYGWIN32__)
275	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	535	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
276	/* setreuid() is the poor man's setuid(), seteuid() */	536	/* setreuid () is the poor man's setuid (), seteuid () */
277	# define seteuid(a) setreuid(-1, (a))	537	# define seteuid(a) setreuid(-1, (a))
278	# define setegid(a) setregid(-1, (a))	538	# define setegid(a) setregid(-1, (a))
279	# define HAVE_SETEUID	539	# define HAVE_SETEUID
280	# endif	540	# endif
281	# ifdef HAVE_SETEUID	541	# ifdef HAVE_SETEUID
282	switch (mode) {	542	switch (action)
		543	{
283	case IGNORE:	544	case IGNORE:
284	/*	545	/*
285	* change effective uid/gid - not real uid/gid - so we can switch	546	* change effective uid/gid - not real uid/gid - so we can switch
286	* back to root later, as required	547	* back to root later, as required
287	*/	548	*/
288	seteuid(getuid());	549	seteuid (getuid ());
289	setegid(getgid());	550	setegid (getgid ());
290	break;	551	break;
291	case SAVE:	552	case SAVE:
292	R->h->euid = geteuid();	553	euid = geteuid ();
293	R->h->egid = getegid();	554	egid = getegid ();
294	break;	555	break;
295	case RESTORE:	556	case RESTORE:
296	seteuid(R->h->euid);	557	seteuid (euid);
297	setegid(R->h->egid);	558	setegid (egid);
298	break;	559	break;
299	}	560	}
300	# else	561	# else
301	switch (mode) {	562	switch (action)
		563	{
302	case IGNORE:	564	case IGNORE:
303	setuid(getuid());	565	setuid (getuid ());
304	setgid(getgid());	566	setgid (getgid ());
305	/* FALLTHROUGH */	567	/* FALLTHROUGH */
306	case SAVE:	568	case SAVE:
307	/* FALLTHROUGH */	569	/* FALLTHROUGH */
308	case RESTORE:	570	case RESTORE:
309	break;	571	break;
310	}	572	}
311	# endif	573	# endif
312	#endif	574	#endif
313	}	575	}
314		576
315	#ifdef UTMP_SUPPORT	577	#ifdef UTMP_SUPPORT
316	/* EXTPROTO */
317	void	578	void
318	rxvt_privileged_utmp(pR_ char action)	579	rxvt_term::privileged_utmp (rxvt_privaction action)
319	{	580	{
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)	581	if ((options & Opt_utmpInhibit)
326	|| h->ttydev == NULL	582	|| !pty.name || !*pty.name)
327	|| *h->ttydev == '\0')	583	return;
328	return;
329		584
330	rxvt_privileges(aR_ RESTORE);	585	rxvt_privileges (RESTORE);
		586
331	if (action == SAVE) {	587	if (action == SAVE)
332	h->next_utmp_action = RESTORE;	588	makeutent (pty.name, rs[Rs_display_name]);
333	rxvt_makeutent(aR_ h->ttydev, h->rs[Rs_display_name]);	589	else
334	} else { /* action == RESTORE */	590	cleanutent ();
335	h->next_utmp_action = IGNORE;	591
336	rxvt_cleanutent(aR);
337	}
338	rxvt_privileges(aR_ IGNORE);	592	rxvt_privileges (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	}	593	}
391	#endif	594	#endif
392		595
393	/*----------------------------------------------------------------------*/	596	/*----------------------------------------------------------------------*/
394	/*	597	/*
395	* window size/position calculcations for XSizeHint and other storage.	598	* window size/position calculcations for XSizeHint and other storage.
396	* if width/height are non-zero then override calculated width/height	599	* if width/height are non-zero then override calculated width/height
397	*/	600	*/
398	/* EXTPROTO */
399	void	601	void
400	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	602	rxvt_term::window_calc (unsigned int width, unsigned int height)
401	{	603	{
402	short recalc_x, recalc_y;	604	short recalc_x, recalc_y;
403	int x, y, sb_w, mb_h, flags;	605	int x, y, sb_w, mb_h, flags;
404	unsigned int w, h;	606	unsigned int w, h;
405	unsigned int max_width, max_height;	607	unsigned int max_width, max_height;
406		608
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));	609	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
		610	TermWin.ncol, TermWin.nrow, szHint.width,
		611	szHint.height));
408	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	612	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
409	R->szHint.win_gravity = NorthWestGravity;	613	szHint.win_gravity = NorthWestGravity;
410	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	614	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
411		615
412	recalc_x = recalc_y = 0;	616	recalc_x = recalc_y = 0;
413	flags = 0;	617	flags = 0;
414	if (!R->h->parsed_geometry) {	618	if (!parsed_geometry)
		619	{
415	R->h->parsed_geometry = 1;	620	parsed_geometry = 1;
416	if (R->h->rs[Rs_geometry])	621	if (rs[Rs_geometry])
417	flags = XParseGeometry(R->h->rs[Rs_geometry], &x, &y, &w, &h);	622	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
418	if (flags & WidthValue) {	623	if (flags & WidthValue)
		624	{
419	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	625	TermWin.ncol = BOUND_POSITIVE_INT16 (w);
420	R->szHint.flags |= USSize;	626	szHint.flags |= USSize;
421	}	627	}
422	if (flags & HeightValue) {	628	if (flags & HeightValue)
		629	{
423	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	630	TermWin.nrow = BOUND_POSITIVE_INT16 (h);
424	R->szHint.flags |= USSize;	631	szHint.flags |= USSize;
425	}	632	}
426	if (flags & XValue) {	633	if (flags & XValue)
427	R->szHint.x = x;	634	{
		635	szHint.x = x;
428	R->szHint.flags |= USPosition;	636	szHint.flags |= USPosition;
429	if (flags & XNegative) {	637	if (flags & XNegative)
430	recalc_x = 1;	638	{
		639	recalc_x = 1;
431	R->szHint.win_gravity = NorthEastGravity;	640	szHint.win_gravity = NorthEastGravity;
		641	}
		642	}
		643	if (flags & YValue)
		644	{
		645	szHint.y = y;
		646	szHint.flags |= USPosition;
		647	if (flags & YNegative)
		648	{
		649	recalc_y = 1;
		650	if (szHint.win_gravity == NorthEastGravity)
		651	szHint.win_gravity = SouthEastGravity;
		652	else
		653	szHint.win_gravity = SouthWestGravity;
		654	}
		655	}
432	}	656	}
433	}	657
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 */	658	/* TODO: BOUNDS */
447	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	659	TermWin.width = TermWin.ncol * TermWin.fwidth;
448	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	660	TermWin.height = TermWin.nrow * TermWin.fheight;
449	max_width = MAX_COLS * R->TermWin.fwidth;	661	max_width = MAX_COLS * TermWin.fwidth;
450	max_height = MAX_ROWS * R->TermWin.fheight;	662	max_height = MAX_ROWS * TermWin.fheight;
451		663
452	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	664	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;
453		665
454	sb_w = mb_h = 0;	666	sb_w = mb_h = 0;
455	R->h->window_vt_x = R->h->window_vt_y = 0;	667	window_vt_x = window_vt_y = TermWin.int_bwidth;
		668
456	if (scrollbar_visible(R)) {	669	if (scrollbar_visible ())
		670	{
457	sb_w = scrollbar_TotalWidth();	671	sb_w = scrollbar_TotalWidth ();
458	R->szHint.base_width += sb_w;	672	szHint.base_width += sb_w;
459	if (!(R->Options & Opt_scrollBar_right))	673	if (!(options & Opt_scrollBar_right))
460	R->h->window_vt_x = sb_w;	674	window_vt_x += sb_w;
461	}	675	}
		676
462	if (menubar_visible(R)) {	677	if (menubar_visible ())
		678	{
463	mb_h = menuBar_TotalHeight();	679	mb_h = menuBar_TotalHeight ();
464	R->szHint.base_height += mb_h;	680	szHint.base_height += mb_h;
465	R->h->window_vt_y = mb_h;	681	window_vt_y += mb_h;
466	}	682	}
		683
467	R->szHint.width_inc = R->TermWin.fwidth;	684	szHint.width_inc = TermWin.fwidth;
468	R->szHint.height_inc = R->TermWin.fheight;	685	szHint.height_inc = TermWin.fheight;
469	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	686	szHint.min_width = szHint.base_width + szHint.width_inc;
470	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	687	szHint.min_height = szHint.base_height + szHint.height_inc;
471		688
472	if (width && width - R->szHint.base_width < max_width) {	689	if (width && width - szHint.base_width < max_width)
		690	{
473	R->szHint.width = width;	691	szHint.width = width;
474	R->TermWin.width = width - R->szHint.base_width;	692	TermWin.width = width - szHint.base_width;
475	} else {	693	}
		694	else
		695	{
476	MIN_IT(R->TermWin.width, max_width);	696	MIN_IT (TermWin.width, max_width);
477	R->szHint.width = R->szHint.base_width + R->TermWin.width;	697	szHint.width = szHint.base_width + TermWin.width;
478	}	698	}
		699
479	if (height && height - R->szHint.base_height < max_height) {	700	if (height && height - szHint.base_height < max_height)
		701	{
480	R->szHint.height = height;	702	szHint.height = height;
481	R->TermWin.height = height - R->szHint.base_height;	703	TermWin.height = height - szHint.base_height;
482	} else {	704	}
		705	else
		706	{
483	MIN_IT(R->TermWin.height, max_height);	707	MIN_IT (TermWin.height, max_height);
484	R->szHint.height = R->szHint.base_height + R->TermWin.height;	708	szHint.height = szHint.base_height + TermWin.height;
485	}	709	}
		710
486	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	711	if (scrollbar_visible () && (options & Opt_scrollBar_right))
487	R->h->window_sb_x = R->szHint.width - sb_w;	712	window_sb_x = szHint.width - sb_w;
488		713
489	if (recalc_x)	714	if (recalc_x)
490	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	715	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))
491	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	716	- szHint.width - 2 * TermWin.ext_bwidth);
492	if (recalc_y)	717	if (recalc_y)
493	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	718	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))
494	- R->szHint.height - 2 * R->TermWin.ext_bwidth);	719	- szHint.height - 2 * TermWin.ext_bwidth);
495		720
496	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	721	TermWin.ncol = TermWin.width / TermWin.fwidth;
497	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	722	TermWin.nrow = TermWin.height / TermWin.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));	723	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
		724	TermWin.ncol, TermWin.nrow, szHint.width,
		725	szHint.height));
499	return;	726	return;
500	}	727	}
501		728
502	/*----------------------------------------------------------------------*/	729	/*----------------------------------------------------------------------*/
503	/*	730	/*
504	* Tell the teletype handler what size the window is.	731	* Tell the teletype handler what size the window is.
505	* Called after a window size change.	732	* Called after a window size change.
506	*/	733	*/
507	/* EXTPROTO */
508	void	734	void
509	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	735	rxvt_term::tt_winch ()
510	{	736	{
		737	if (pty.pty < 0)
		738	return;
		739
511	struct winsize ws;	740	struct winsize ws;
512		741
513	if (fd < 0)
514	return;
515	ws.ws_col = col;	742	ws.ws_col = TermWin.ncol;
516	ws.ws_row = row;	743	ws.ws_row = TermWin.nrow;
517	ws.ws_xpixel = ws.ws_ypixel = 0;	744	ws.ws_xpixel = TermWin.width;
518	#ifndef DEBUG_SIZE	745	ws.ws_ypixel = TermWin.height;
519	(void)ioctl(fd, TIOCSWINSZ, &ws);	746	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);
520	#else	747
521	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	748	#if 0
522	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	749	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
523	}
524	# ifdef SIGWINCH
525	else if (pid) /* force through to the command */	750	if (cmd_pid) /* force through to the command */
526	kill(pid, SIGWINCH);	751	kill (cmd_pid, SIGWINCH);
527	# endif
528	#endif	752	#endif
529	}	753	}
530		754
531	/*----------------------------------------------------------------------*/	755	/*----------------------------------------------------------------------*/
532	/* rxvt_change_font() - Switch to a new font */	756	/* set_fonts () - load and set the various fonts
533	/*	757	/*
534	* init = 1 - initialize	758	* init = 1 - initialize
535	*	759	*
536	* fontname == FONT_UP - switch to bigger font	760	* fontname == FONT_UP - switch to bigger font
537	* fontname == FONT_DN - switch to smaller font	761	* fontname == FONT_DN - switch to smaller font
538	*/	762	*/
539	/* EXTPROTO */	763	bool
540	void	764	rxvt_term::set_fonts ()
541	rxvt_change_font(pR_ int init, const char *fontname)
542	{	765	{
543	}	766	rxvt_fontset *fs = new rxvt_fontset (this);
		767	rxvt_fontprop prop;
544		768
545	/* INTPROTO */	769	if (!fs
546	void	770	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
547	rxvt_font_up_down(pR_ int n, int direction)	771	|| !fs->realize_font (1))
		772	{
		773	delete fs;
		774	return false;
		775	}
		776
		777	#if ENABLE_STYLES
		778	for (int i = RS_styleCount; --i; )
		779	if (TermWin.fontset[i] != TermWin.fontset[0])
		780	delete TermWin.fontset[i];
		781	#endif
		782
		783	delete TermWin.fontset[0];
		784	TermWin.fontset[0] = fs;
		785
		786	prop = (*fs)[1]->properties ();
		787	fs->set_prop (prop);
		788
		789	TermWin.fwidth = prop.width;
		790	TermWin.fheight = prop.height;
		791	TermWin.fweight = prop.weight;
		792	TermWin.fslant = prop.slant;
		793	TermWin.fbase = (*fs)[1]->ascent;
		794
		795	for (int style = 1; style < 4; style++)
		796	{
		797	#if ENABLE_STYLES
		798	const char *res = rs[Rs_font + style];
		799
		800	if (res && !*res)
		801	TermWin.fontset[style] = TermWin.fontset[0];
		802	else
		803	{
		804	TermWin.fontset[style] = fs = new rxvt_fontset (this);
		805	rxvt_fontprop prop2 = prop;
		806
		807	if (res)
		808	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		809	else
		810	{
		811	res = TermWin.fontset[0]->fontdesc;
		812
		813	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		814	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		815	}
		816
		817	fs->populate (res);
		818	fs->set_prop (prop2);
		819	}
		820	#else
		821	TermWin.fontset[style] = TermWin.fontset[0];
		822	#endif
		823	}
		824
		825	if (TermWin.parent[0])
		826	{
		827	resize_all_windows (0, 0, 0);
		828	scr_remap_chars ();
		829	scr_touch (true);
		830	}
		831
		832	return true;
		833	}
		834
		835	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
548	{	836	{
		837	// TODO: SMART_WINDOW_TITLE
		838	XChangeProperty (display->display, TermWin.parent[0],
		839	prop, XA_STRING, 8, PropModeReplace,
		840	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		841	}
		842
		843	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		844	{
		845	// TODO: SMART_WINDOW_TITLE
		846	wchar_t *ws = rxvt_mbstowcs (str, len);
		847	char *s = rxvt_wcstoutf8 (ws);
		848
		849	XChangeProperty (display->display, TermWin.parent[0],
		850	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		851	(const unsigned char *)s, strlen (s));
		852
		853	free (s);
		854	free (ws);
549	}	855	}
550		856
551	/*----------------------------------------------------------------------*/	857	/*----------------------------------------------------------------------*/
552	/*----------------------------------------------------------------------*/	858	/*----------------------------------------------------------------------*/
553	/* xterm sequences - title, iconName, color (exptl) */	859	/* xterm sequences - title, iconName, color (exptl) */
554	/* EXTPROTO */
555	void	860	void
556	rxvt_set_title(pR_ const char *str)	861	rxvt_term::set_title (const char *str)
557	{	862	{
558	#ifndef SMART_WINDOW_TITLE	863	set_string_property (XA_WM_NAME, str);
559	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	864	#if ENABLE_FRILLS
		865	set_utf8_property (display->atom ("_NET_WM_NAME"), str);
		866	#endif
		867	}
		868
		869	void
		870	rxvt_term::set_icon_name (const char *str)
		871	{
		872	set_string_property (XA_WM_ICON_NAME, str);
		873	#if ENABLE_FRILLS
		874	set_utf8_property (display->atom ("_NET_WM_ICON_NAME"), str);
		875	#endif
		876	}
		877
		878	#ifdef XTERM_COLOR_CHANGE
		879	void
		880	rxvt_term::set_window_color (int idx, const char *color)
		881	{
		882	rxvt_color xcol;
		883	int i;
		884
		885	if (color == NULL || *color == '\0')
		886	return;
		887
		888	/* handle color aliases */
		889	if (isdigit (*color))
		890	{
		891	i = atoi (color);
		892	if (i >= 8 && i <= 15)
		893	{ /* bright colors */
		894	i -= 8;
		895	# ifndef NO_BRIGHTCOLOR
		896	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		897	SET_PIXCOLOR (idx);
		898	goto Done;
		899	# endif
		900
		901	}
		902	if (i >= 0 && i <= 7)
		903	{ /* normal colors */
		904	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		905	SET_PIXCOLOR (idx);
		906	goto Done;
		907	}
		908	}
		909
		910	if (!rXParseAllocColor (& xcol, color))
		911	return;
		912
		913	/* XStoreColor (display->display, display->cmap, XColor*); */
		914
		915	/*
		916	* FIXME: should free colors here, but no idea how to do it so instead,
		917	* so just keep gobbling up the colormap
		918	*/
		919	# if 0
		920	for (i = Color_Black; i <= Color_White; i++)
		921	if (pix_colors[idx] == pix_colors[i])
		922	break;
		923	if (i > Color_White)
		924	{
		925	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		926	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		927	DisplayPlanes (display->display, display->screen));
		928	}
		929	# endif
		930
		931	pix_colors_focused[idx] = xcol;
		932	SET_PIXCOLOR (idx);
		933
		934	/* XSetWindowAttributes attr; */
		935	/* Cursor cursor; */
		936	Done:
		937	#ifdef OFF_FOCUS_FADING
		938	if (rs[Rs_fade])
		939	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]));
		940	#endif
		941
		942	/*TODO: handle Color_BD, scrollbar background, etc. */
		943
		944	recolour_cursor ();
		945	scr_recolour ();
		946	}
		947
560	#else	948	#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)	949	# define set_window_color (idx,color) ((void)0)
657	#endif /* XTERM_COLOR_CHANGE */	950	#endif /* XTERM_COLOR_CHANGE */
658		951
659	/* EXTPROTO */
660	void	952	void
661	rxvt_recolour_cursor(pR)	953	rxvt_term::recolour_cursor ()
662	{	954	{
663	rxvt_color xcol[2];	955	XColor xcol[2];
664		956
665	#if TODO	957	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
666	xcol[0] = R->PixColors[Color_pointer];	958	? pix_colors_focused[Color_pointer_fg]
667	xcol[1] = R->PixColors[Color_bg];	959	: pix_colors_focused[Color_fg];
668	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	960	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		961	? pix_colors_focused[Color_pointer_bg]
		962	: pix_colors_focused[Color_bg];
		963
		964	XQueryColors (display->display, display->cmap, xcol, 2);
669	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	965	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
670	#endif
671	}	966	}
672		967
673	/*----------------------------------------------------------------------*/	968	/*----------------------------------------------------------------------*/
674	/*	969	/*
675	* find if fg/bg matches any of the normal (low-intensity) colors	970	* find if fg/bg matches any of the normal (low-intensity) colors
676	*/	971	*/
677	/* INTPROTO */
678	void	972	void
679	rxvt_set_colorfgbg(pR)	973	rxvt_term::set_colorfgbg ()
680	{	974	{
681	unsigned int i;	975	unsigned int i;
682	const char *xpmb = "\0";	976	const char *xpmb = "\0";
683	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	977	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
684		978
685	R->h->env_colorfgbg = (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	979	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
686	STRCPY(fstr, "default");	980	strcpy (fstr, "default");
687	STRCPY(bstr, "default");	981	strcpy (bstr, "default");
688	for (i = Color_Black; i <= Color_White; i++)	982	for (i = Color_Black; i <= Color_White; i++)
689	if (R->PixColors[Color_fg] == R->PixColors[i]) {	983	if (pix_colors[Color_fg] == pix_colors[i])
		984	{
690	sprintf(fstr, "%d", (i - Color_Black));	985	sprintf (fstr, "%d", (i - Color_Black));
691	break;	986	break;
692	}	987	}
		988
693	for (i = Color_Black; i <= Color_White; i++)	989	for (i = Color_Black; i <= Color_White; i++)
694	if (R->PixColors[Color_bg] == R->PixColors[i]) {	990	if (pix_colors[Color_bg] == pix_colors[i])
		991	{
695	sprintf(bstr, "%d", (i - Color_Black));	992	sprintf (bstr, "%d", (i - Color_Black));
696	#ifdef XPM_BACKGROUND	993	#ifdef XPM_BACKGROUND
697	xpmb = "default;";	994	xpmb = "default;";
698	#endif	995	#endif
699	break;	996	break;
700	}	997	}
		998
701	sprintf(R->h->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	999	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	}	1000	}
714		1001
715	/*----------------------------------------------------------------------*/	1002	/*----------------------------------------------------------------------*/
716	/*	1003	/*
717	* Colour determination for low colour displays, routine from	1004	* Colour determination for low colour displays, routine from
718	* Hans de Goede <hans@highrise.nl>	1005	* Hans de Goede <hans@highrise.nl>
719	*/	1006	*/
720		1007
721	/* EXTPROTO */
722	int	1008	int
723	rxvt_rXParseAllocColor(pR_ rxvt_color *screen_in_out, const char *colour)	1009	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
724	{	1010	{
725	screen_in_out->set (aR_ colour);
726
727	if (!screen_in_out->set (aR_ colour))	1011	if (!screen_in_out->set (display, colour))
728	{	1012	{
729	rxvt_print_error("can't allocate colour: %s", colour);	1013	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
730	return false;	1014	return false;
731	}	1015	}
732		1016
733	return true;	1017	return true;
734	}	1018	}
735		1019
736	/* -------------------------------------------------------------------- *	1020	/* -------------------------------------------------------------------- *
737	* - WINDOW RESIZING - *	1021	* - WINDOW RESIZING - *
738	* -------------------------------------------------------------------- */	1022	* -------------------------------------------------------------------- */
739	/* EXTPROTO */
740	void	1023	void
741	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, int ignoreparent)	1024	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)
742	{	1025	{
743	int fix_screen;	1026	int fix_screen;
		1027
744	#ifdef SMART_RESIZE	1028	#ifdef SMART_RESIZE
745	int old_width = R->szHint.width,	1029	int old_width = szHint.width, old_height = szHint.height;
746	old_height = R->szHint.height;
747	#endif	1030	#endif
748		1031
749	rxvt_window_calc(aR_ width, height);	1032	window_calc (width, height);
750	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);	1033	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);
		1034
751	if (!ignoreparent) {	1035	if (!ignoreparent)
		1036	{
752	#ifdef SMART_RESIZE	1037	#ifdef SMART_RESIZE
753	/*	1038	/*
754	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1039	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
755	* reposition window on resize depending on placement on screen	1040	* reposition window on resize depending on placement on screen
756	*/	1041	*/
757	int x, y, x1, y1;	1042	int x, y, x1, y1;
758	int dx, dy;	1043	int dx, dy;
759	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1044	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
760	Window unused_cr;	1045	Window unused_cr;
761		1046
762	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1047	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,
763	0, 0, &x, &y, &unused_cr);	1048	0, 0, &x, &y, &unused_cr);
764	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1049	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,
765	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1050	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
766	/*	1051	/*
767	* if Xroot isn't the parent window, a WM will probably have offset	1052	* if display->root isn't the parent window, a WM will probably have offset
768	* our position for handles and decorations. Counter it	1053	* our position for handles and decorations. Counter it
769	*/	1054	*/
770	if (x1 != x || y1 != y) {	1055	if (x1 != x || y1 != y)
		1056	{
771	x -= x1;	1057	x -= x1;
772	y -= y1;	1058	y -= y1;
773	}	1059	}
774		1060
775	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1061	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;
776	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1062	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;
777	dx = old_width - R->szHint.width;	1063	dx = old_width - szHint.width;
778	dy = old_height - R->szHint.height;	1064	dy = old_height - szHint.height;
779		1065
780	/* Check position of the center of the window */	1066	/* Check position of the center of the window */
781	if (x < x1) /* left half */	1067	if (x < x1) /* left half */
782	dx = 0;	1068	dx = 0;
783	else if (x == x1) /* exact center */	1069	else if (x == x1) /* exact center */
784	dx /= 2;	1070	dx /= 2;
785	if (y < y1) /* top half */	1071	if (y < y1) /* top half */
786	dy = 0;	1072	dy = 0;
787	else if (y == y1) /* exact center */	1073	else if (y == y1) /* exact center */
788	dy /= 2;	1074	dy /= 2;
789		1075
790	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1076	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,
791	R->szHint.width, R->szHint.height);	1077	szHint.width, szHint.height);
792	#else	1078	#else
793	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1079	XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height);
794	R->szHint.height);
795	#endif	1080	#endif
796	}	1081	}
797		1082
798	fix_screen = (R->TermWin.ncol != R->h->prev_ncol	1083	fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow;
799	|| R->TermWin.nrow != R->h->prev_nrow);	1084
800	if (fix_screen || width != R->h->old_width || height != R->h->old_height) {	1085	if (fix_screen || width != old_width || height != old_height)
		1086	{
801	if (scrollbar_visible(R)) {	1087	if (scrollbar_visible ())
802	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->h->window_sb_x,	1088	{
803	0, scrollbar_TotalWidth(), R->szHint.height);	1089	XMoveResizeWindow (display->display, scrollBar.win,
804	rxvt_Resize_scrollBar(aR);	1090	window_sb_x, 0,
805	}	1091	scrollbar_TotalWidth (), szHint.height);
		1092	resize_scrollbar ();
		1093	}
		1094
806	if (menubar_visible(R))	1095	if (menubar_visible ())
807	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->h->window_vt_x,	1096	XMoveResizeWindow (display->display, menuBar.win,
808	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1097	window_vt_x, 0,
809	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->h->window_vt_x,	1098	TermWin_TotalWidth (), menuBar_TotalHeight ());
810	R->h->window_vt_y, TermWin_TotalWidth(),	1099
811	TermWin_TotalHeight());	1100	XMoveResizeWindow (display->display, TermWin.vt,
812	#ifdef RXVT_GRAPHICS	1101	window_vt_x, window_vt_y,
813	if (R->h->old_height)	1102	TermWin_TotalWidth (), TermWin_TotalHeight ());
814	rxvt_Gr_Resize(aR_ R->h->old_width - R->szHint.base_width,	1103	scr_clear ();
815	R->h->old_height - R->szHint.base_height);
816	#endif
817	rxvt_scr_clear(aR);
818	#ifdef XPM_BACKGROUND	1104	#ifdef XPM_BACKGROUND
819	rxvt_resize_pixmap(aR);	1105	resize_pixmap ();
820	#endif	1106	#endif
821	}	1107	}
822		1108
823	if (fix_screen || R->h->old_height == 0) {	1109	if (fix_screen || old_height == 0)
824	int curr_screen = -1;	1110	{
825	uint16_t old_ncol = R->h->prev_ncol;	1111	int curr_screen = -1;
		1112	int old_ncol = prev_ncol;
826		1113
827	/* scr_reset only works on the primary screen */	1114	/* scr_reset only works on the primary screen */
828	if (R->h->old_height) /* this is not the first time through */	1115	if (old_height) /* this is not the first time through */
		1116	{
		1117	unsigned int ncol = TermWin.ncol;
		1118	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
829	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1119	curr_screen = scr_change_screen (PRIMARY);
830	rxvt_scr_reset(aR);	1120	TermWin.ncol = ncol;
		1121	}
		1122
		1123	scr_reset ();
		1124
831	if (curr_screen >= 0) { /* this is not the first time through */	1125	if (curr_screen >= 0) /* this is not the first time through */
832	rxvt_scr_change_screen(aR_ curr_screen);	1126	{
		1127	scr_change_screen (curr_screen);
833	rxvt_selection_check(aR_ (old_ncol != R->TermWin.ncol ? 4 : 0));	1128	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
834	}	1129	}
835	}	1130	}
836		1131
837	R->h->old_width = R->szHint.width;	1132	old_width = szHint.width;
838	R->h->old_height = R->szHint.height;	1133	old_height = szHint.height;
839		1134
840	#ifdef USE_XIM	1135	#ifdef USE_XIM
841	rxvt_IMSetStatusPosition(aR);	1136	IMSetStatusPosition ();
842	#endif	1137	#endif
843	}	1138	}
844		1139
845	/*	1140	/*
846	* Set the width/height of the vt window in characters. Units are pixels.	1141	* Set the width/height of the vt window in characters. Units are pixels.
847	* good for toggling 80/132 columns	1142	* good for toggling 80/132 columns
848	*/	1143	*/
849	/* EXTPROTO */
850	void	1144	void
851	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1145	rxvt_term::set_widthheight (unsigned int width, unsigned int height)
852	{	1146	{
853	XWindowAttributes wattr;	1147	XWindowAttributes wattr;
854		1148
855	if (width == 0 || height == 0) {	1149	if (width == 0 || height == 0)
		1150	{
856	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1151	XGetWindowAttributes (display->display, display->root, &wattr);
857	if (width == 0)	1152	if (width == 0)
858	width = wattr.width - R->szHint.base_width;	1153	width = wattr.width - szHint.base_width;
859	if (height == 0)	1154	if (height == 0)
860	height = wattr.height - R->szHint.base_height;	1155	height = wattr.height - szHint.base_height;
861	}	1156	}
		1157
862	if (width != R->TermWin.width || height != R->TermWin.height) {	1158	if (width != TermWin.width || height != TermWin.height)
		1159	{
863	width += R->szHint.base_width;	1160	width += szHint.base_width;
864	height += R->szHint.base_height;	1161	height += szHint.base_height;
865	rxvt_resize_all_windows(aR_ width, height, 0);	1162	resize_all_windows (width, height, 0);
866	}	1163	}
867	}	1164	}
868		1165
869	/* -------------------------------------------------------------------- *	1166	/* -------------------------------------------------------------------- *
870	* - X INPUT METHOD ROUTINES - *	1167	* - X INPUT METHOD ROUTINES - *
871	* -------------------------------------------------------------------- */	1168	* -------------------------------------------------------------------- */
872	#ifdef USE_XIM	1169	#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		1170
883	/* INTPROTO */
884	void	1171	void
885	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1172	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
886	{	1173	{
887	*fg = R->PixColors[Color_fg];	1174	fg = pix_colors[Color_fg];
888	*bg = R->PixColors[Color_bg];	1175	bg = pix_colors[Color_bg];
		1176	}
		1177
		1178	void
		1179	rxvt_term::im_set_size (XRectangle &size)
		1180	{
		1181	// the int_bwidth terms make no sense to me
		1182	size.x = TermWin.int_bwidth;
		1183	size.y = TermWin.int_bwidth;
		1184	size.width = Width2Pixel (TermWin.ncol) + TermWin.int_bwidth;
		1185	size.height = Height2Pixel (TermWin.nrow) + TermWin.int_bwidth;
		1186	}
		1187
		1188	void
		1189	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1190	XRectangle &status_rect,
		1191	const XRectangle &needed_rect)
		1192	{
		1193	preedit_rect.x = needed_rect.width;
		1194	preedit_rect.y = 0;
		1195	preedit_rect.width = Width2Pixel (TermWin.ncol) - needed_rect.width + 1;
		1196	preedit_rect.height = TermWin.fheight;
		1197
		1198	status_rect.x = 0;
		1199	status_rect.y = 0;
		1200	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (TermWin.ncol) + 1;
		1201	status_rect.height = TermWin.fheight;
889	}	1202	}
890		1203
891	/* Checking whether input method is running. */	1204	/* Checking whether input method is running. */
892	/* INTPROTO */
893	Bool	1205	bool
894	rxvt_IMisRunning(pR)	1206	rxvt_term::IMisRunning ()
895	{	1207	{
896	char *p;	1208	char *p;
897	Atom atom;	1209	Atom atom;
898	Window win;	1210	Window win;
899	char server[IMBUFSIZ];	1211	char server[IMBUFSIZ];
900		1212
901	/* get current locale modifier */	1213	/* get current locale modifier */
902	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1214	if ((p = XSetLocaleModifiers (NULL)) != NULL)
903	STRCPY(server, "@server=");	1215	{
		1216	strcpy (server, "@server=");
904	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1217	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1218
905	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1219	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
906	*p = '\0';	1220	*p = '\0';
907		1221
908	atom = XInternAtom(R->Xdisplay, server, False);	1222	atom = XInternAtom (display->display, server, False);
909	win = XGetSelectionOwner(R->Xdisplay, atom);	1223	win = XGetSelectionOwner (display->display, atom);
		1224
910	if (win != None)	1225	if (win != None)
911	return True;	1226	return True;
912	}	1227	}
		1228
913	return False;	1229	return False;
914	}	1230	}
915		1231
916	/* EXTPROTO */
917	void	1232	void
918	rxvt_IMSendSpot(pR)	1233	rxvt_term::IMSendSpot ()
919	{	1234	{
920	XPoint spot;	1235	XPoint nspot;
921	XVaNestedList preedit_attr;	1236	XVaNestedList preedit_attr;
922		1237
923	if (R->h->Input_Context == NULL	1238	if (!Input_Context
924	|| !R->TermWin.focus	1239	|| !TermWin.focus
925	|| !(R->h->input_style & XIMPreeditPosition)	1240	|| !(input_style & XIMPreeditPosition))
926	|| !(R->h->event_type == KeyPress	1241	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		1242
935	rxvt_setPosition(aR_ &spot);	1243	im_set_position (nspot);
936		1244
		1245	if (nspot.x == spot.x && nspot.y == spot.y)
		1246	return;
		1247
		1248	spot = nspot;
		1249
937	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1250	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
938	XSetICValues(R->h->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1251	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
939	XFree(preedit_attr);	1252	XFree (preedit_attr);
940	}	1253	}
941		1254
942	/* EXTPROTO */
943	void	1255	void
944	rxvt_setTermFontSet(pR_ int idx)	1256	rxvt_term::im_destroy ()
945	{	1257	{
946	char *string;	1258	if (input_method)
947	long length;	1259	{
948	int success = 0;	1260	if (Input_Context && input_method->xim)
		1261	XDestroyIC (Input_Context);
949		1262
950	if (idx < 0 || idx >= MAX_NFONTS)	1263	display->put_xim (input_method);
951	return;	1264	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	}	1265	}
1030	}
1031	for (i = 0; s[i]; i++)
1032	free(s[i]);
1033	free(s);
1034	}
1035	if (found)
1036	return;
1037		1266
1038	/* try with XMODIFIERS env. var. */	1267	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	}	1268	}
1049		1269
1050	/*	1270	/*
1051	* Try to open a XIM with the current modifiers, then see if we can	1271	* Try to open a XIM with the current modifiers, then see if we can
1052	* open a suitable preedit type	1272	* open a suitable preedit type
1053	*/	1273	*/
1054	/* INTPROTO */
1055	Bool	1274	bool
1056	rxvt_IM_get_IC(pR)	1275	rxvt_term::IM_get_IC (const char *modifiers)
1057	{	1276	{
1058	int i, j, found;	1277	int i, j, found;
1059	XIM xim;	1278	XIM xim;
1060	XPoint spot;	1279	XPoint spot;
1061	XRectangle rect, status_rect, needed_rect;	1280	XRectangle rect, status_rect, needed_rect;
1062	unsigned long fg, bg;	1281	unsigned long fg, bg;
1063	const char *p;	1282	const char *p;
1064	char **s;	1283	char **s;
1065	XIMStyles *xim_styles;	1284	XIMStyles *xim_styles;
1066	XVaNestedList preedit_attr, status_attr;
1067	XIMCallback ximcallback;
1068	struct rxvt_hidden *h = R->h;
1069		1285
		1286	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1287	return false;
		1288
1070	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1289	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1071	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1290	input_method = display->get_xim (locale, modifiers);
1072	if (xim == NULL)	1291	if (input_method == NULL)
1073	return False;	1292	return false;
1074		1293
		1294	xim = input_method->xim;
		1295	spot.x = spot.y = -1;
		1296
1075	xim_styles = NULL;	1297	xim_styles = NULL;
1076	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1298	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1077	|| !xim_styles || !xim_styles->count_styles) {	1299	|| !xim_styles || !xim_styles->count_styles)
1078	XCloseIM(xim);
1079	return False;
1080	}	1300	{
		1301	im_destroy ();
		1302	return false;
		1303	}
1081		1304
1082	p = h->rs[Rs_preeditType] ? h->rs[Rs_preeditType]	1305	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1083	: "OverTheSpot,OffTheSpot,Root";	1306
		1307	for (int pi = 0; pi < 2; pi++)
		1308	{
		1309	p = pet[pi];
		1310
		1311	if (!p)
		1312	continue;
		1313
1084	s = rxvt_splitcommastring(p);	1314	s = rxvt_splitcommastring (p);
		1315
1085	for (i = found = 0; !found && s[i]; i++) {	1316	for (i = found = 0; !found && s[i]; i++)
1086	if (!STRCMP(s[i], "OverTheSpot"))	1317	{
		1318	if (!strcmp (s[i], "OverTheSpot"))
1087	h->input_style = (XIMPreeditPosition | XIMStatusNothing);	1319	input_style = (XIMPreeditPosition | XIMStatusNothing);
1088	else if (!STRCMP(s[i], "OffTheSpot"))	1320	else if (!strcmp (s[i], "OffTheSpot"))
1089	h->input_style = (XIMPreeditArea | XIMStatusArea);	1321	input_style = (XIMPreeditArea | XIMStatusArea);
1090	else if (!STRCMP(s[i], "Root"))	1322	else if (!strcmp (s[i], "Root"))
1091	h->input_style = (XIMPreeditNothing | XIMStatusNothing);	1323	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1324	else if (!strcmp (s[i], "None"))
		1325	input_style = (XIMPreeditNone | XIMStatusNone);
1092		1326
1093	for (j = 0; j < xim_styles->count_styles; j++)	1327	for (j = 0; j < xim_styles->count_styles; j++)
1094	if (h->input_style == xim_styles->supported_styles[j]) {	1328	if (input_style == xim_styles->supported_styles[j])
1095	found = 1;	1329	{
1096	break;	1330	rxvt_freecommastring (s);
		1331
		1332	found = 1;
		1333	goto foundpet;
		1334	}
		1335
		1336	}
		1337
		1338	rxvt_freecommastring (s);
1097	}	1339	}
1098	}	1340
1099	for (i = 0; s[i]; i++)	1341	foundpet:
1100	free(s[i]);	1342
1101	free(s);
1102	XFree(xim_styles);	1343	XFree (xim_styles);
1103		1344
1104	if (!found) {	1345	if (!found)
1105	XCloseIM(xim);
1106	return False;
1107	}	1346	{
		1347	im_destroy ();
		1348	return false;
		1349	}
1108		1350
1109	ximcallback.callback = rxvt_IMDestroyCallback;	1351	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;	1352	XVaNestedList preedit_attr = 0, status_attr = 0;
1115		1353
		1354	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1355	{
		1356	// fake us a font-set, please
		1357	char **missing_charset_list;
		1358	int missing_charset_count;
		1359	char *def_string;
		1360	char pat[512];
		1361
		1362	sprintf (pat,
		1363	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1364	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1365	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1366	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1367	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1368	"*",
		1369	TermWin.fheight,
		1370	TermWin.fheight + 1, TermWin.fheight - 1,
		1371	TermWin.fheight - 2, TermWin.fheight + 2);
		1372
		1373	fs = XCreateFontSet (display->display, pat,
		1374	&missing_charset_list, &missing_charset_count, &def_string);
		1375
		1376	if (missing_charset_list)
		1377	XFreeStringList (missing_charset_list);
		1378
		1379	if (!fs)
		1380	{
		1381	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1382	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1383	}
		1384	}
		1385
1116	if (h->input_style & XIMPreeditPosition) {	1386	if (input_style & XIMPreeditPosition)
1117	rxvt_setSize(aR_ &rect);	1387	{
1118	rxvt_setPosition(aR_ &spot);	1388	im_set_size (rect);
1119	rxvt_setColor(aR_ &fg, &bg);	1389	im_set_position (spot);
		1390	im_set_color (fg, bg);
1120		1391
1121	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1392	preedit_attr = XVaCreateNestedList (0,
1122	XNSpotLocation, &spot,	1393	XNForeground, fg,
1123	XNForeground, fg,	1394	XNBackground, bg,
1124	XNBackground, bg,	1395	XNArea, &rect,
1125	//XNFontSet, R->TermWin.fontset,	1396	XNSpotLocation, &spot,
1126	NULL);	1397	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);	1398	NULL);
1148	}	1399	}
1149	h->Input_Context = XCreateIC(xim, XNInputStyle, h->input_style,	1400	else if (input_style & XIMPreeditArea)
1150	XNClientWindow, R->TermWin.parent[0],	1401	{
1151	XNFocusWindow, R->TermWin.parent[0],	1402	im_set_color (fg, bg);
1152	XNDestroyCallback, &ximcallback,	1403
1153	preedit_attr ? XNPreeditAttributes : NULL,	1404	/*
1154	preedit_attr,	1405	* The necessary width of preedit area is unknown
1155	status_attr ? XNStatusAttributes : NULL,	1406	* until create input context.
1156	status_attr, NULL);	1407	*/
1157	if (preedit_attr)	1408	needed_rect.width = 0;
1158	XFree(preedit_attr);	1409	im_set_preedit_area (rect, status_rect, needed_rect);
1159	if (status_attr)	1410
1160	XFree(status_attr);	1411	preedit_attr = XVaCreateNestedList (0,
		1412	XNForeground, fg,
		1413	XNBackground, bg,
		1414	XNArea, &rect,
		1415	XNFontSet, fs,
		1416	NULL);
		1417	status_attr = XVaCreateNestedList (0,
		1418	XNForeground, fg,
		1419	XNBackground, bg,
		1420	XNArea, &status_rect,
		1421	XNFontSet, fs,
		1422	NULL);
		1423	}
		1424
		1425	Input_Context = XCreateIC (xim,
		1426	XNInputStyle, input_style,
		1427	XNClientWindow, TermWin.vt,
		1428	XNFocusWindow, TermWin.parent[0],
		1429	preedit_attr ? XNPreeditAttributes : NULL,
		1430	preedit_attr,
		1431	status_attr ? XNStatusAttributes : NULL,
		1432	status_attr, NULL);
		1433
		1434	if (preedit_attr) XFree (preedit_attr);
		1435	if (status_attr) XFree (status_attr);
		1436	if (fs) XFreeFontSet (display->display, fs);
		1437
1161	if (h->Input_Context == NULL) {	1438	if (Input_Context == NULL)
1162	rxvt_print_error("failed to create input context");
1163	XCloseIM(xim);
1164	return False;
1165	}	1439	{
		1440	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1441	im_destroy ();
		1442	return false;
		1443	}
		1444
1166	if (h->input_style & XIMPreeditArea)	1445	if (input_style & XIMPreeditArea)
1167	rxvt_IMSetStatusPosition(aR);	1446	IMSetStatusPosition ();
		1447
1168	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1448	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1169	return True;	1449	return true;
1170	}	1450	}
1171		1451
1172	/* EXTPROTO */
1173	void	1452	void
		1453	rxvt_term::im_cb ()
		1454	{
		1455	int i, found, had_im;
		1456	const char *p;
		1457	char **s;
		1458	char buf[IMBUFSIZ];
		1459
		1460	im_destroy ();
		1461
		1462	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1463	if (Input_Context)
		1464	return;
		1465
		1466	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1467	if (rs[Rs_imLocale])
		1468	SET_LOCALE (rs[Rs_imLocale]);
		1469	#endif
		1470
		1471	p = rs[Rs_inputMethod];
		1472	if (p && *p)
		1473	{
		1474	bool found = false;
		1475
		1476	s = rxvt_splitcommastring (p);
		1477
		1478	for (i = 0; s[i]; i++)
		1479	{
		1480	if (*s[i])
		1481	{
		1482	strcpy (buf, "@im=");
		1483	strncat (buf, s[i], IMBUFSIZ - 5);
		1484	if (IM_get_IC (buf))
		1485	{
		1486	found = true;
		1487	break;
		1488	}
		1489	}
		1490	}
		1491
		1492	rxvt_freecommastring (s);
		1493
		1494	if (found)
		1495	goto done;
		1496	}
		1497
		1498	/* try with XMODIFIERS env. var. */
		1499	if (IM_get_IC (""))
		1500	goto done;
		1501
		1502	/* try with no modifiers base IF the user didn't specify an IM */
		1503	if (IM_get_IC ("@im=none"))
		1504	goto done;
		1505
		1506	done:
		1507	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1508	if (rs[Rs_imLocale])
		1509	SET_LOCALE (locale);
		1510	#endif
		1511	}
		1512
		1513	void
1174	rxvt_IMSetStatusPosition(pR)	1514	rxvt_term::IMSetStatusPosition ()
1175	{	1515	{
1176	XRectangle preedit_rect, status_rect, *needed_rect;	1516	XRectangle preedit_rect, status_rect, *needed_rect;
1177	XVaNestedList preedit_attr, status_attr;	1517	XVaNestedList preedit_attr, status_attr;
1178		1518
1179	if (R->h->Input_Context == NULL	1519	if (!Input_Context
1180	|| !R->TermWin.focus	1520	|| !TermWin.focus
1181	|| !(R->h->input_style & XIMPreeditArea)	1521	|| !(input_style & XIMPreeditArea)
1182	|| !rxvt_IMisRunning(aR))	1522	|| !IMisRunning ())
1183	return;	1523	return;
1184		1524
1185	/* Getting the necessary width of preedit area */	1525	/* Getting the necessary width of preedit area */
1186	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1526	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1187	XGetICValues(R->h->Input_Context, XNStatusAttributes, status_attr, NULL);	1527	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1188	XFree(status_attr);	1528	XFree (status_attr);
1189		1529
1190	rxvt_setPreeditArea(aR_ &preedit_rect, &status_rect, needed_rect);	1530	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1531	XFree (needed_rect);
1191		1532
1192	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1533	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1193	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1534	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1194		1535
1195	XSetICValues(R->h->Input_Context,	1536	XSetICValues (Input_Context,
1196	XNPreeditAttributes, preedit_attr,	1537	XNPreeditAttributes, preedit_attr,
1197	XNStatusAttributes, status_attr, NULL);	1538	XNStatusAttributes, status_attr, NULL);
1198		1539
1199	XFree(preedit_attr);	1540	XFree (preedit_attr);
1200	XFree(status_attr);	1541	XFree (status_attr);
1201	}	1542	}
1202	#endif /* USE_XIM */	1543	#endif /* USE_XIM */
1203		1544
1204	/*----------------------------------------------------------------------*/	1545	/*----------------------------------------------------------------------*/
1205	rxvt_t *rxvt_current_term;	1546	rxvt_t rxvt_current_term;
1206		1547
1207	/*----------------------- end-of-file (C source) -----------------------*/	1548	/*----------------------- end-of-file (C source) -----------------------*/

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