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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.5 by pcg, Tue Nov 25 15:44:38 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 1.5 2003/11/25 15:44:38 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT	43	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	44	# include <grp.h>
41	#endif	45	#endif
42		46
43	#ifdef HAVE_TERMIOS_H	47	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	48	# include <termios.h>
45	#endif	49	#endif
46		50
		51	vector<rxvt_term *> rxvt_term::termlist;
		52
		53	// used to tell global functions which terminal instance is "active"
		54	rxvt_t rxvt_current_term;
		55
		56	static char curlocale[128], savelocale[128];
		57
		58	bool
		59	rxvt_set_locale (const char *locale) NOTHROW
		60	{
		61	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
47	void *	69	void
48	rxvt_term::operator new (size_t s)	70	rxvt_push_locale (const char *locale) NOTHROW
49	{	71	{
50	void *p = malloc (s);	72	strcpy (savelocale, curlocale);
		73	rxvt_set_locale (locale);
		74	}
51		75
52	MEMSET (p, 0, s);	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)
		93	{
		94	if (cc->c2 == c2) return c1;
		95	cc = (*this)[cc->c1];
		96	}
		97
		98	// check to see wether this combination already exists otherwise
		99	for (cc = v.end (); cc-- > v.begin (); )
		100	{
		101	if (cc->c1 == c1 && cc->c2 == c2)
		102	return COMPOSE_LO + (cc - v.begin ());
		103	}
		104
		105	// allocate a new combination
		106	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		107	{
		108	static int seen;
		109
		110	if (!seen++)
		111	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		112
		113	return REPLACEMENT_CHAR;
		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
53	return p;	141	return len;
54	}
55		142
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	143	}
		144	#endif
61		145
62	rxvt_term::rxvt_term ()	146	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	147	:
		148	#if TRANSPARENT
		149	rootwin_ev (this, &rxvt_term::rootwin_cb),
		150	#endif
		151	#ifdef HAVE_SCROLLBARS
		152	scrollbar_ev (this, &rxvt_term::x_cb),
		153	#endif
64	#ifdef CURSOR_BLINK	154	#ifdef CURSOR_BLINK
		155	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		156	#endif
		157	#ifdef TEXT_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	158	text_blink_ev (this, &rxvt_term::text_blink_cb),
66	#endif	159	#endif
		160	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		161	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		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),
67	x_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)
68	{	186	{
69	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	187	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		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;
70	}	204	}
71		205
72	rxvt_term::~rxvt_term ()	206	rxvt_term::~rxvt_term ()
73	{	207	{
74	delete PixColors;	208	termlist.erase (find (termlist.begin (), termlist.end(), this));
75	}
76		209
77	/*----------------------------------------------------------------------*/	210	emergency_cleanup ();
78	/* rxvt_init() */
79	/* LIBPROTO */
80	rxvt_t
81	rxvt_init(int argc, const char *const *argv)
82	{
83	SET_R(new rxvt_term);
84	dR;
85		211
86	if (!R->init_vars () || !R->init (argc, argv))	212	#if ENABLE_STYLES
87	{	213	for (int i = RS_styleCount; --i; )
88	delete R;	214	if (fontset[i] != fontset[0])
89	return NULL;	215	delete fontset[i];
		216	#endif
		217	delete fontset[0];
		218
		219	if (display)
90	}	220	{
		221	dDisp;
91		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)
92	return R;	308	return;
93	}
94		309
95	bool	310	if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)))
96	rxvt_term::init (int argc, const char *const *argv)	311	return;
97	{
98	dR;//TODO (scrollbar, setidle)
99		312
100	/*	313	#if ENABLE_OVERLAY
101	* Save and then give up any super-user privileges	314	scr_overlay_off ();
102	* If we need privileges in any area then we must specifically request it.
103	* We should only need to be root in these cases:
104	* 1. write utmp entries on some systems
105	* 2. chown tty on some systems
106	*/
107	rxvt_privileges (this, SAVE);
108	rxvt_privileges (this, IGNORE);
109
110	rxvt_init_secondary (this);
111
112	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
113
114	#if (MENUBAR_MAX)
115	rxvt_menubar_read (this, rs[Rs_menu]);
116	#endif	315	#endif
		316
		317	if (display)
		318	{
		319	#if USE_XIM
		320	im_ev.stop (display);
		321	#endif
117	#ifdef HAVE_SCROLLBARS	322	#if HAVE_SCROLLBARS
118	if (Options & Opt_scrollBar)	323	scrollbar_ev.stop (display);
119	scrollbar_setIdle (); /* set existence for size calculations */
120	#endif	324	#endif
121
122	rxvt_Create_Windows (this, argc, argv);
123
124	rxvt_init_xlocale (this);
125
126	rxvt_scr_reset (this); /* initialize screen */
127	#ifdef RXVT_GRAPHICS
128	rxvt_Gr_reset (this); /* reset graphics */
129	#endif
130
131	#if 0
132	#ifdef DEBUG_X
133	XSynchronize(Xdisplay, True);
134	XSetErrorHandler((XErrorHandler) abort);
135	#else
136	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
137	#endif
138	#endif
139
140	#ifdef HAVE_SCROLLBARS
141	if (Options & Opt_scrollBar)
142	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
143	#endif
144	#if (MENUBAR_MAX)
145	if (menubar_visible(r))
146	XMapWindow (Xdisplay, menuBar.win);
147	#endif
148	#ifdef TRANSPARENT	325	#if TRANSPARENT
149	if (Options & Opt_transparent)	326	rootwin_ev.stop (display);
		327	#endif
		328	incr_ev.stop ();
		329	termwin_ev.stop (display);
		330	vt_ev.stop (display);
150	{	331	}
151	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
152	rxvt_check_our_parents (this);
153	}
154	#endif
155	XMapWindow (Xdisplay, TermWin.vt);
156	XMapWindow (Xdisplay, TermWin.parent[0]);
157		332
158	rxvt_init_env (this);	333	check_ev.stop ();
159	rxvt_init_command (this, cmd_argv);	334	pty_ev.stop ();
160		335	#ifdef CURSOR_BLINK
161	x_ev.start (Xfd, EVENT_READ);	336	cursor_blink_ev.stop ();
162	pty_ev.start (cmd_fd, EVENT_READ);
163
164	return true;
165	}
166
167	/* ------------------------------------------------------------------------- *
168	* SIGNAL HANDLING & EXIT HANDLER *
169	* ------------------------------------------------------------------------- */
170	/*
171	* Catch a SIGCHLD signal and exit if the direct child has died
172	*/
173	/* ARGSUSED */
174	/* EXTPROTO */
175	RETSIGTYPE
176	rxvt_Child_signal(int sig __attribute__ ((unused)))
177	{
178	dR;
179	int pid, save_errno = errno;
180
181	do {
182	errno = 0;
183	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
184
185	if (pid == R->cmd_pid)
186	exit(EXIT_SUCCESS);
187
188	errno = save_errno;
189	signal(SIGCHLD, rxvt_Child_signal);
190	}
191
192	/*
193	* Catch a fatal signal and tidy up before quitting
194	*/
195	/* EXTPROTO */
196	RETSIGTYPE
197	rxvt_Exit_signal(int sig)
198	{
199	signal(sig, SIG_DFL);
200	#ifdef DEBUG_CMD
201	rxvt_print_error("signal %d", sig);
202	#endif	337	#endif
203	rxvt_clean_exit();	338	#ifdef TEXT_BLINK
204	kill(getpid(), sig);	339	text_blink_ev.stop ();
205	}	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
206		350
207	/* ARGSUSED */	351	destroy_ev.start (0);
208	/* INTPROTO */	352	}
209	int
210	rxvt_xerror_handler(const Display * display
211	__attribute__ ((unused)), const XErrorEvent * event)
212	{
213	dR;
214		353
215	if (R->allowedxerror == -1) {	354	void
216	R->allowedxerror = event->error_code;	355	rxvt_term::destroy_cb (time_watcher &w)
217	return 0; /* ignored anyway */	356	{
218	}	357	make_current ();
219	rxvt_print_error("XError: Request: %d . %d, Error: %d",	358
220	event->request_code, event->minor_code,	359	delete this;
221	event->error_code);
222	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
223	exit(EXIT_FAILURE);
224	/* NOTREACHED */
225	}	360	}
226		361
227	/*----------------------------------------------------------------------*/	362	/*----------------------------------------------------------------------*/
228	/*	363	/*
229	* Exit gracefully, clearing the utmp entry and restoring tty attributes	364	* Exit gracefully, clearing the utmp entry and restoring tty attributes
230	* 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
231	*/	366	*/
232	/* EXTPROTO */	367	static XErrorHandler old_xerror_handler;
233	void
234	rxvt_clean_exit(void)
235	{
236	dR;
237		368
238	#ifdef DEBUG_SCREEN	369	static void
239	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	}
240	#endif	423	#endif
241	#ifndef NO_SETOWNER_TTYDEV	424
242	rxvt_privileged_ttydev(aR_ RESTORE);	425	int
243	#endif	426	rxvt_xerror_handler (Display *display, XErrorEvent *event)
244	#ifdef UTMP_SUPPORT	427	{
245	rxvt_privileged_utmp(aR_ RESTORE);	428	if (GET_R->allowedxerror == -1)
246	#endif	429	GET_R->allowedxerror = event->error_code;
247	#ifdef USE_XIM	430	else
248	if (R->Input_Context != NULL) {
249	XDestroyIC(R->Input_Context);
250	R->Input_Context = NULL;
251	}	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);
252	#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 ();
253	}	602	}
254		603
255	/* ------------------------------------------------------------------------- *	604	/* ------------------------------------------------------------------------- *
256	* MEMORY ALLOCATION WRAPPERS *	605	* MEMORY ALLOCATION WRAPPERS *
257	* ------------------------------------------------------------------------- */	606	* ------------------------------------------------------------------------- */
258	/* EXTPROTO */	607	void *
259	void *
260	rxvt_malloc(size_t size)	608	rxvt_malloc (size_t size)
261	{	609	{
262	void *p;
263
264	p = malloc(size);	610	void *p = malloc (size);
		611
265	if (p)	612	if (!p)
		613	rxvt_fatal ("memory allocation failure. aborting.\n");
		614
266	return p;	615	return p;
267
268	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
269	rxvt_clean_exit();
270	exit(EXIT_FAILURE);
271	/* NOTREACHED */
272	}	616	}
273		617
274	/* EXTPROTO */	618	void *
275	void *
276	rxvt_calloc(size_t number, size_t size)	619	rxvt_calloc (size_t number, size_t size)
277	{	620	{
278	void *p;
279
280	p = calloc(number, size);	621	void *p = calloc (number, size);
		622
281	if (p)	623	if (!p)
		624	rxvt_fatal ("memory allocation failure. aborting.\n");
		625
282	return p;	626	return p;
283
284	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
285	rxvt_clean_exit();
286	exit(EXIT_FAILURE);
287	/* NOTREACHED */
288	}	627	}
289		628
290	/* EXTPROTO */	629	void *
291	void *
292	rxvt_realloc(void *ptr, size_t size)	630	rxvt_realloc (void *ptr, size_t size)
293	{	631	{
294	void *p;
295
296	if (ptr)
297	p = realloc(ptr, size);	632	void *p = realloc (ptr, size);
298	else	633
299	p = malloc(size);
300	if (p)	634	if (!p)
		635	rxvt_fatal ("memory allocation failure. aborting.\n");
		636
301	return p;	637	return p;
302
303	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
304	rxvt_clean_exit();
305	exit(EXIT_FAILURE);
306	/* NOTREACHED */
307	}	638	}
308
309	/* ------------------------------------------------------------------------- *
310	* PRIVILEGED OPERATIONS *
311	* ------------------------------------------------------------------------- */
312	/* take care of suid/sgid super-user (root) privileges */
313	/* INTPROTO */
314	void
315	rxvt_privileges(pR_ int mode)
316	{
317	#if ! defined(__CYGWIN32__)
318	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
319	/* setreuid() is the poor man's setuid(), seteuid() */
320	# define seteuid(a) setreuid(-1, (a))
321	# define setegid(a) setregid(-1, (a))
322	# define HAVE_SETEUID
323	# endif
324	# ifdef HAVE_SETEUID
325	switch (mode) {
326	case IGNORE:
327	/*
328	* change effective uid/gid - not real uid/gid - so we can switch
329	* back to root later, as required
330	*/
331	seteuid(getuid());
332	setegid(getgid());
333	break;
334	case SAVE:
335	R->euid = geteuid();
336	R->egid = getegid();
337	break;
338	case RESTORE:
339	seteuid(R->euid);
340	setegid(R->egid);
341	break;
342	}
343	# else
344	switch (mode) {
345	case IGNORE:
346	setuid(getuid());
347	setgid(getgid());
348	/* FALLTHROUGH */
349	case SAVE:
350	/* FALLTHROUGH */
351	case RESTORE:
352	break;
353	}
354	# endif
355	#endif
356	}
357
358	#ifdef UTMP_SUPPORT
359	/* EXTPROTO */
360	void
361	rxvt_privileged_utmp(pR_ char action)
362	{
363	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
364	action, R->next_utmp_action, getpid()));
365	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
366	|| (R->Options & Opt_utmpInhibit)
367	|| R->ttydev == NULL || *R->ttydev == '\0')
368	return;
369
370	rxvt_privileges(aR_ RESTORE);
371	if (action == SAVE) {
372	R->next_utmp_action = RESTORE;
373	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
374	} else { /* action == RESTORE */
375	R->next_utmp_action = IGNORE;
376	rxvt_cleanutent(aR);
377	}
378	rxvt_privileges(aR_ IGNORE);
379	}
380	#endif
381
382	#ifndef NO_SETOWNER_TTYDEV
383	/* EXTPROTO */
384	void
385	rxvt_privileged_ttydev(pR_ char action)
386	{
387	D_MAIN((stderr,
388	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
389	action, R->next_tty_action, getpid()));
390	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
391	|| R->ttydev == NULL || *R->ttydev == '\0')
392	return;
393
394	rxvt_privileges(aR_ RESTORE);
395
396	if (action == SAVE) {
397	R->next_tty_action = RESTORE;
398	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
399	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
400	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
401	R->next_tty_action = IGNORE;
402	else
403	# endif
404	{
405	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
406	chmod(R->ttydev, R->ttymode);
407	# ifdef HAVE_REVOKE
408	revoke(R->ttydev);
409	# endif
410	}
411	} else { /* action == RESTORE */
412	R->next_tty_action = IGNORE;
413	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
414	chmod(R->ttydev, R->ttyfd_stat.st_mode);
415	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
416	# else
417	chmod(R->ttydev,
418	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
419	chown(R->ttydev, 0, 0);
420	# endif
421	}
422
423	rxvt_privileges(aR_ IGNORE);
424
425	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
426	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
427	action == RESTORE ? "Restoring" : (action ==
428	SAVE ? "Saving" :
429	"UNKNOWN ERROR for"), R->ttydev,
430	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
431	R->ttyfd_stat.st_gid));
432	# endif
433	}
434	#endif
435		639
436	/*----------------------------------------------------------------------*/	640	/*----------------------------------------------------------------------*/
437	/*	641	/*
438	* window size/position calculcations for XSizeHint and other storage.	642	* window size/position calculcations for XSizeHint and other storage.
439	* if width/height are non-zero then override calculated width/height	643	* if width/height are non-zero then override calculated width/height
440	*/	644	*/
441	/* EXTPROTO */
442	void	645	void
443	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	646	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
444	{	647	{
445	short recalc_x, recalc_y;	648	short recalc_x, recalc_y;
446	int x, y, sb_w, mb_h, flags;	649	int x, y, sb_w, flags;
447	unsigned int w, h;	650	unsigned int w, h;
448	unsigned int max_width, max_height;	651	unsigned int max_width, max_height;
		652	dDisp;
449		653
450	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	654	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
451	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	655	ncol, nrow, szHint.width, szHint.height));
452	R->szHint.height));	656
453	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	657	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
454	R->szHint.win_gravity = NorthWestGravity;	658	szHint.win_gravity = NorthWestGravity;
455	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	659	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
456		660
457	recalc_x = recalc_y = 0;	661	recalc_x = recalc_y = 0;
458	flags = 0;	662	flags = 0;
		663
459	if (!R->parsed_geometry) {	664	if (!parsed_geometry)
		665	{
460	R->parsed_geometry = 1;	666	parsed_geometry = 1;
		667
461	if (R->rs[Rs_geometry])	668	if (rs[Rs_geometry])
462	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	669	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		670
463	if (flags & WidthValue) {	671	if (flags & WidthValue)
464	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	672	{
		673	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
465	R->szHint.flags |= USSize;	674	szHint.flags |= USSize;
466	}	675	}
		676
467	if (flags & HeightValue) {	677	if (flags & HeightValue)
468	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	678	{
		679	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
469	R->szHint.flags |= USSize;	680	szHint.flags |= USSize;
470	}	681	}
		682
471	if (flags & XValue) {	683	if (flags & XValue)
		684	{
472	R->szHint.x = x;	685	szHint.x = x;
473	R->szHint.flags |= USPosition;	686	szHint.flags |= USPosition;
		687
474	if (flags & XNegative) {	688	if (flags & XNegative)
		689	{
475	recalc_x = 1;	690	recalc_x = 1;
476	R->szHint.win_gravity = NorthEastGravity;	691	szHint.win_gravity = NorthEastGravity;
477	}	692	}
478	}	693	}
		694
479	if (flags & YValue) {	695	if (flags & YValue)
		696	{
480	R->szHint.y = y;	697	szHint.y = y;
481	R->szHint.flags |= USPosition;	698	szHint.flags |= USPosition;
		699
482	if (flags & YNegative) {	700	if (flags & YNegative)
		701	{
483	recalc_y = 1;	702	recalc_y = 1;
		703
484	if (R->szHint.win_gravity == NorthEastGravity)	704	if (szHint.win_gravity == NorthEastGravity)
485	R->szHint.win_gravity = SouthEastGravity;	705	szHint.win_gravity = SouthEastGravity;
486	else	706	else
487	R->szHint.win_gravity = SouthWestGravity;	707	szHint.win_gravity = SouthWestGravity;
488	}	708	}
489	}	709	}
490	}	710	}
		711
491	/* TODO: BOUNDS */	712	/* TODO: BOUNDS */
492	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	713	width = ncol * fwidth;
493	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	714	height = nrow * fheight;
494	max_width = MAX_COLS * R->TermWin.fwidth;	715	max_width = MAX_COLS * fwidth;
495	max_height = MAX_ROWS * R->TermWin.fheight;	716	max_height = MAX_ROWS * fheight;
496		717
497	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	718	szHint.base_width = szHint.base_height = 2 * int_bwidth;
498		719
499	sb_w = mb_h = 0;	720	sb_w = 0;
500	R->window_vt_x = R->window_vt_y = 0;	721	window_vt_x = window_vt_y = int_bwidth;
501	if (scrollbar_visible(R)) {	722
		723	if (scrollBar.state)
		724	{
502	sb_w = scrollbar_TotalWidth();	725	sb_w = scrollbar_TotalWidth ();
503	R->szHint.base_width += sb_w;	726	szHint.base_width += sb_w;
504	if (!(R->Options & Opt_scrollBar_right))	727	if (!OPTION (Opt_scrollBar_right))
505	R->window_vt_x = sb_w;	728	window_vt_x += sb_w;
506	}	729	}
507	if (menubar_visible(R)) {	730
508	mb_h = menuBar_TotalHeight();
509	R->szHint.base_height += mb_h;
510	R->window_vt_y = mb_h;
511	}
512	R->szHint.width_inc = R->TermWin.fwidth;	731	szHint.width_inc = fwidth;
513	R->szHint.height_inc = R->TermWin.fheight;	732	szHint.height_inc = fheight;
514	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	733	szHint.min_width = szHint.base_width + szHint.width_inc;
515	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	734	szHint.min_height = szHint.base_height + szHint.height_inc;
516		735
517	if (width && width - R->szHint.base_width < max_width) {	736	if (newwidth && newwidth - szHint.base_width < max_width)
		737	{
518	R->szHint.width = width;	738	szHint.width = newwidth;
519	R->TermWin.width = width - R->szHint.base_width;	739	width = newwidth - szHint.base_width;
520	} else {	740	}
521	MIN_IT(R->TermWin.width, max_width);	741	else
		742	{
		743	min_it (width, max_width);
522	R->szHint.width = R->szHint.base_width + R->TermWin.width;	744	szHint.width = szHint.base_width + width;
523	}	745	}
		746
524	if (height && height - R->szHint.base_height < max_height) {	747	if (newheight && newheight - szHint.base_height < max_height)
		748	{
525	R->szHint.height = height;	749	szHint.height = newheight;
526	R->TermWin.height = height - R->szHint.base_height;	750	height = newheight - szHint.base_height;
527	} else {	751	}
528	MIN_IT(R->TermWin.height, max_height);	752	else
		753	{
		754	min_it (height, max_height);
529	R->szHint.height = R->szHint.base_height + R->TermWin.height;	755	szHint.height = szHint.base_height + height;
530	}	756	}
531	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	757
		758	if (scrollBar.state && OPTION (Opt_scrollBar_right))
532	R->window_sb_x = R->szHint.width - sb_w;	759	window_sb_x = szHint.width - sb_w;
533		760
534	if (recalc_x)	761	if (recalc_x)
535	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	762	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
536	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
537	if (recalc_y)	763	if (recalc_y)
538	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	764	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
539	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
540		765
541	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	766	ncol = width / fwidth;
542	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	767	nrow = height / fheight;
543	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	768	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
544	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	769	ncol, nrow, szHint.width,
545	R->szHint.height));	770	szHint.height));
546	return;	771	return;
547	}	772	}
548		773
549	/*----------------------------------------------------------------------*/	774	/*----------------------------------------------------------------------*/
550	/*	775	/*
551	* Tell the teletype handler what size the window is.	776	* Tell the teletype handler what size the window is.
552	* Called after a window size change.	777	* Called after a window size change.
553	*/	778	*/
554	/* EXTPROTO */
555	void	779	void
556	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	780	rxvt_term::tt_winch ()
557	{	781	{
		782	if (pty->pty < 0)
		783	return;
		784
558	struct winsize ws;	785	struct winsize ws;
559		786
560	if (fd < 0)
561	return;
562	ws.ws_col = col;	787	ws.ws_col = ncol;
563	ws.ws_row = row;	788	ws.ws_row = nrow;
564	ws.ws_xpixel = ws.ws_ypixel = 0;	789	ws.ws_xpixel = width;
565	#ifndef DEBUG_SIZE	790	ws.ws_ypixel = height;
566	(void)ioctl(fd, TIOCSWINSZ, &ws);	791	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
567	#else	792
568	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	793	#if 0
569	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	794	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
570	}
571	# ifdef SIGWINCH
572	else if (pid) /* force through to the command */	795	if (cmd_pid) /* force through to the command */
573	kill(pid, SIGWINCH);	796	kill (-cmd_pid, SIGWINCH);
574	# endif
575	#endif	797	#endif
576	}	798	}
577		799
578	/*----------------------------------------------------------------------*/	800	/*----------------------------------------------------------------------*/
579	/* rxvt_change_font() - Switch to a new font */	801	/* set_fonts () - load and set the various fonts
580	/*	802	*
581	* init = 1 - initialize	803	* init = 1 - initialize
582	*	804	*
583	* fontname == FONT_UP - switch to bigger font	805	* fontname == FONT_UP - switch to bigger font
584	* fontname == FONT_DN - switch to smaller font	806	* fontname == FONT_DN - switch to smaller font
585	*/	807	*/
586	/* EXTPROTO */	808	bool
587	void	809	rxvt_term::set_fonts ()
588	rxvt_change_font(pR_ int init, const char *fontname)
589	{	810	{
590	}	811	rxvt_fontset *fs = new rxvt_fontset (this);
		812	rxvt_fontprop prop;
591		813
592	/* INTPROTO */	814	if (!fs
593	void	815	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
594	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)
595	{	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);
596	}	897	}
597		898
598	/*----------------------------------------------------------------------*/	899	/*----------------------------------------------------------------------*/
599	/*----------------------------------------------------------------------*/	900	/*----------------------------------------------------------------------*/
600	/* xterm sequences - title, iconName, color (exptl) */	901	/* xterm sequences - title, iconName, color (exptl) */
601	/* EXTPROTO */
602	void	902	void
603	rxvt_set_title(pR_ const char *str)	903	rxvt_term::set_title (const char *str)
604	{	904	{
605	#ifndef SMART_WINDOW_TITLE	905	set_string_property (XA_WM_NAME, str);
606	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
607	#else	990	#else
608	char *name;
609
610	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
611	name = NULL;
612	if (name == NULL || STRCMP(name, str))
613	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
614	if (name)
615	XFree(name);
616	#endif
617	}
618
619	/* EXTPROTO */
620	void
621	rxvt_set_iconName(pR_ const char *str)
622	{
623	#ifndef SMART_WINDOW_TITLE
624	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
625	#else
626	char *name;
627
628	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
629	name = NULL;
630	if (name == NULL || STRCMP(name, str))
631	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
632	if (name)
633	XFree(name);
634	#endif
635	}
636
637	#ifdef XTERM_COLOR_CHANGE
638	/* EXTPROTO */
639	void
640	rxvt_set_window_color(pR_ int idx, const char *color)
641	{
642	rxvt_color xcol;
643	int i;
644
645	if (color == NULL || *color == '\0')
646	return;
647
648	/* handle color aliases */
649	if (isdigit(*color)) {
650	i = atoi(color);
651	if (i >= 8 && i <= 15) { /* bright colors */
652	i -= 8;
653	# ifndef NO_BRIGHTCOLOR
654	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
655	SET_PIXCOLOR(R, idx);
656	goto Done;
657	# endif
658	}
659	if (i >= 0 && i <= 7) { /* normal colors */
660	R->PixColors[idx] = R->PixColors[minCOLOR + i];
661	SET_PIXCOLOR(R, idx);
662	goto Done;
663	}
664	}
665	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
666	return;
667	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
668
669	/*
670	* FIXME: should free colors here, but no idea how to do it so instead,
671	* so just keep gobbling up the colormap
672	*/
673	# if 0
674	for (i = Color_Black; i <= Color_White; i++)
675	if (R->PixColors[idx] == R->PixColors[i])
676	break;
677	if (i > Color_White) {
678	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
679	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
680	DisplayPlanes(R->Xdisplay, Xscreen));
681	}
682	# endif
683
684	R->PixColors[idx] = xcol;
685	SET_PIXCOLOR(R, idx);
686
687	/* XSetWindowAttributes attr; */
688	/* Cursor cursor; */
689	Done:
690	if (idx == Color_bg && !(R->Options & Opt_transparent))
691	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
692	R->PixColors[Color_bg]);
693
694	/* handle Color_BD, scrollbar background, etc. */
695
696	rxvt_set_colorfgbg(aR);
697	rxvt_recolour_cursor(aR);
698	/* the only reasonable way to enforce a clean update */
699	rxvt_scr_poweron(aR);
700	}
701
702	#else
703	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	991	# define set_window_color (idx,color) ((void)0)
704	#endif /* XTERM_COLOR_CHANGE */	992	#endif /* XTERM_COLOR_CHANGE */
705		993
706	/* EXTPROTO */
707	void	994	void
708	rxvt_recolour_cursor(pR)	995	rxvt_term::recolour_cursor ()
709	{	996	{
710	rxvt_color xcol[2];	997	XColor xcol[2];
711		998
712	#if TODO	999	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
713	xcol[0] = R->PixColors[Color_pointer];	1000	? pix_colors_focused[Color_pointer_fg]
714	xcol[1] = R->PixColors[Color_bg];	1001	: pix_colors_focused[Color_fg];
715	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);
716	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1007	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
717	#endif
718	}	1008	}
719		1009
720	/*----------------------------------------------------------------------*/	1010	/*----------------------------------------------------------------------*/
721	/*	1011	/*
722	* 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
723	*/	1013	*/
724	/* INTPROTO */
725	void	1014	void
726	rxvt_set_colorfgbg(pR)	1015	rxvt_term::set_colorfgbg ()
727	{	1016	{
728	unsigned int i;	1017	unsigned int i;
729	const char *xpmb = "\0";	1018	const char *xpmb = "\0";
730	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1019	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
731		1020
732	R->env_colorfgbg =
733	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1021	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
734	STRCPY(fstr, "default");	1022	strcpy (fstr, "default");
735	STRCPY(bstr, "default");	1023	strcpy (bstr, "default");
736	for (i = Color_Black; i <= Color_White; i++)	1024	for (i = Color_Black; i <= Color_White; i++)
737	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1025	if (pix_colors[Color_fg] == pix_colors[i])
		1026	{
738	sprintf(fstr, "%d", (i - Color_Black));	1027	sprintf (fstr, "%d", (i - Color_Black));
739	break;	1028	break;
740	}	1029	}
		1030
741	for (i = Color_Black; i <= Color_White; i++)	1031	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1032	if (pix_colors[Color_bg] == pix_colors[i])
		1033	{
743	sprintf(bstr, "%d", (i - Color_Black));	1034	sprintf (bstr, "%d", (i - Color_Black));
744	#ifdef XPM_BACKGROUND	1035	#ifdef XPM_BACKGROUND
745	xpmb = "default;";	1036	xpmb = "default;";
746	#endif	1037	#endif
747	break;	1038	break;
748	}	1039	}
		1040
749	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1041	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
750	putenv(R->env_colorfgbg);
751
752	#ifndef NO_BRIGHTCOLOR
753	R->colorfgbg = DEFAULT_RSTYLE;
754	for (i = minCOLOR; i <= maxCOLOR; i++) {
755	if (R->PixColors[Color_fg] == R->PixColors[i])
756	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
757	if (R->PixColors[Color_bg] == R->PixColors[i])
758	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
759	}
760	#endif
761	}	1042	}
762		1043
763	/*----------------------------------------------------------------------*/	1044	/*----------------------------------------------------------------------*/
764	/*
765	* Colour determination for low colour displays, routine from
766	* Hans de Goede <hans@highrise.nl>
767	*/
768		1045
769	/* EXTPROTO */
770	int	1046	int
771	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1047	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
772	{	1048	{
773	screen_in_out->set(aR_ colour);
774
775	if (!screen_in_out->set(aR_ colour)) {	1049	if (!screen_in_out->set (display, colour))
776	rxvt_print_error("can't allocate colour: %s", colour);	1050	{
		1051	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
777	return false;	1052	return false;
778	}	1053	}
779		1054
780	return true;	1055	return true;
781	}	1056	}
782		1057
783	/* -------------------------------------------------------------------- *	1058	/* -------------------------------------------------------------------- *
784	* - WINDOW RESIZING - *	1059	* - WINDOW RESIZING - *
785	* -------------------------------------------------------------------- */	1060	* -------------------------------------------------------------------- */
786	/* EXTPROTO */
787	void	1061	void
788	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1062	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
789	int ignoreparent)
790	{	1063	{
791	int fix_screen;	1064	int fix_screen;
		1065	int old_width = szHint.width, old_height = szHint.height;
		1066	dDisp;
792		1067
		1068	window_calc (newwidth, newheight);
		1069	XSetWMNormalHints (disp, parent[0], &szHint);
		1070
		1071	if (!ignoreparent)
		1072	{
793	#ifdef SMART_RESIZE	1073	#ifdef SMART_RESIZE
794	int old_width = R->szHint.width, old_height = R->szHint.height;	1074	/*
795	#endif
796
797	rxvt_window_calc(aR_ width, height);
798	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
799	if (!ignoreparent) {
800	#ifdef SMART_RESIZE
801	/*
802	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1075	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
803	* reposition window on resize depending on placement on screen	1076	* reposition window on resize depending on placement on screen
804	*/	1077	*/
805	int x, y, x1, y1;	1078	int x, y, x1, y1;
806	int dx, dy;	1079	int dx, dy;
807	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1080	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
808	Window unused_cr;	1081	Window unused_cr;
809		1082
810	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1083	XTranslateCoordinates (disp, parent[0], display->root,
811	0, 0, &x, &y, &unused_cr);	1084	0, 0, &x, &y, &unused_cr);
812	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1085	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
813	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1086	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
814	/*	1087	/*
815	* 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
816	* our position for handles and decorations. Counter it	1089	* our position for handles and decorations. Counter it
817	*/	1090	*/
818	if (x1 != x || y1 != y) {	1091	if (x1 != x || y1 != y)
		1092	{
819	x -= x1;	1093	x -= x1;
820	y -= y1;	1094	y -= y1;
821	}	1095	}
822		1096
823	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1097	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
824	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1098	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
825	dx = old_width - R->szHint.width;	1099	dx = old_width - szHint.width;
826	dy = old_height - R->szHint.height;	1100	dy = old_height - szHint.height;
827		1101
828	/* Check position of the center of the window */	1102	/* Check position of the center of the window */
829	if (x < x1) /* left half */	1103	if (x < x1) /* left half */
830	dx = 0;	1104	dx = 0;
831	else if (x == x1) /* exact center */	1105	else if (x == x1) /* exact center */
832	dx /= 2;	1106	dx /= 2;
833	if (y < y1) /* top half */	1107	if (y < y1) /* top half */
834	dy = 0;	1108	dy = 0;
835	else if (y == y1) /* exact center */	1109	else if (y == y1) /* exact center */
836	dy /= 2;	1110	dy /= 2;
837		1111
838	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1112	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
839	R->szHint.width, R->szHint.height);	1113	szHint.width, szHint.height);
840	#else	1114	#else
841	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1115	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
842	R->szHint.height);
843	#endif	1116	#endif
844	}	1117	}
845		1118
846	fix_screen = (R->TermWin.ncol != R->prev_ncol	1119	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
847	|| R->TermWin.nrow != R->prev_nrow);	1120
848	if (fix_screen || width != R->old_width || height != R->old_height) {	1121	if (fix_screen || newwidth != old_width || newheight != old_height)
849	if (scrollbar_visible(R)) {	1122	{
		1123	if (scrollBar.state)
		1124	{
850	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1125	XMoveResizeWindow (disp, scrollBar.win,
		1126	window_sb_x, 0,
851	0, scrollbar_TotalWidth(), R->szHint.height);	1127	scrollbar_TotalWidth (), szHint.height);
852	rxvt_Resize_scrollBar(aR);	1128	resize_scrollbar ();
853	}	1129	}
854	if (menubar_visible(R))	1130
855	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1131	XMoveResizeWindow (disp, vt,
856	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1132	window_vt_x, window_vt_y,
857	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
858	R->window_vt_y, TermWin_TotalWidth(),
859	TermWin_TotalHeight());	1133	width, height);
860	#ifdef RXVT_GRAPHICS	1134
861	if (R->old_height)
862	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
863	R->old_height - R->szHint.base_height);
864	#endif
865	rxvt_scr_clear(aR);	1135	scr_clear ();
866	#ifdef XPM_BACKGROUND	1136	#ifdef XPM_BACKGROUND
867	rxvt_resize_pixmap(aR);	1137	resize_pixmap ();
868	#endif	1138	#endif
869	}	1139	}
870		1140
871	if (fix_screen || R->old_height == 0) {	1141	if (fix_screen || old_height == 0)
		1142	{
872	int curr_screen = -1;	1143	int curr_screen = -1;
873	uint16_t old_ncol = R->prev_ncol;	1144	int old_ncol = prev_ncol;
874		1145
875	/* scr_reset only works on the primary screen */	1146	/* scr_reset only works on the primary screen */
876	if (R->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
877	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1151	curr_screen = scr_change_screen (PRIMARY);
878	rxvt_scr_reset(aR);	1152	ncol = ocol;
879	if (curr_screen >= 0) { /* this is not the first time through */
880	rxvt_scr_change_screen(aR_ curr_screen);
881	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
882	}	1153	}
883	}
884		1154
		1155	scr_reset ();
		1156
		1157	if (curr_screen >= 0) /* this is not the first time through */
		1158	{
		1159	scr_change_screen (curr_screen);
		1160	selection_check (old_ncol != ncol ? 4 : 0);
		1161	}
		1162	}
		1163
885	R->old_width = R->szHint.width;	1164	old_width = szHint.width;
886	R->old_height = R->szHint.height;	1165	old_height = szHint.height;
		1166
		1167	#ifdef XPM_BACKGROUND
		1168	if (pixmap)
		1169	scr_touch (false);
		1170	#endif
887		1171
888	#ifdef USE_XIM	1172	#ifdef USE_XIM
889	rxvt_IMSetStatusPosition(aR);	1173	IMSetStatusPosition ();
890	#endif	1174	#endif
891	}	1175	}
892		1176
893	/*	1177	/*
894	* 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.
895	* good for toggling 80/132 columns	1179	* good for toggling 80/132 columns
896	*/	1180	*/
897	/* EXTPROTO */
898	void	1181	void
899	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1182	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
900	{	1183	{
901	XWindowAttributes wattr;	1184	XWindowAttributes wattr;
902		1185
903	if (width == 0 || height == 0) {	1186	if (newwidth == 0 || newheight == 0)
		1187	{
904	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1188	XGetWindowAttributes (display->display, display->root, &wattr);
		1189
905	if (width == 0)	1190	if (newwidth == 0)
906	width = wattr.width - R->szHint.base_width;	1191	newwidth = wattr.width - szHint.base_width;
907	if (height == 0)	1192	if (newheight == 0)
908	height = wattr.height - R->szHint.base_height;	1193	newheight = wattr.height - szHint.base_height;
		1194	}
		1195
		1196	if (newwidth != width || newheight != height)
909	}	1197	{
910	if (width != R->TermWin.width || height != R->TermWin.height) {
911	width += R->szHint.base_width;	1198	newwidth += szHint.base_width;
912	height += R->szHint.base_height;	1199	newheight += szHint.base_height;
913	rxvt_resize_all_windows(aR_ width, height, 0);	1200	resize_all_windows (newwidth, newheight, 0);
914	}	1201	}
915	}	1202	}
916		1203
917	/* -------------------------------------------------------------------- *	1204	/* -------------------------------------------------------------------- *
918	* - X INPUT METHOD ROUTINES - *	1205	* - X INPUT METHOD ROUTINES - *
919	* -------------------------------------------------------------------- */	1206	* -------------------------------------------------------------------- */
920	#ifdef USE_XIM	1207	#ifdef USE_XIM
921	/* INTPROTO */
922	void
923	rxvt_setSize(pR_ XRectangle * size)
924	{
925	size->x = R->TermWin.int_bwidth;
926	size->y = R->TermWin.int_bwidth;
927	size->width = Width2Pixel(R->TermWin.ncol);
928	size->height = Height2Pixel(R->TermWin.nrow);
929	}
930		1208
931	/* INTPROTO */
932	void	1209	void
933	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1210	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
934	{	1211	{
935	*fg = R->PixColors[Color_fg];	1212	fg = pix_colors[Color_fg];
936	*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;
937	}	1240	}
938		1241
939	/* Checking whether input method is running. */	1242	/* Checking whether input method is running. */
940	/* INTPROTO */
941	Bool	1243	bool
942	rxvt_IMisRunning(pR)	1244	rxvt_term::IMisRunning ()
943	{	1245	{
944	char *p;	1246	char *p;
945	Atom atom;	1247	Atom atom;
946	Window win;	1248	Window win;
947	char server[IMBUFSIZ];	1249	char server[IMBUFSIZ];
948		1250
949	/* get current locale modifier */	1251	/* get current locale modifier */
950	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1252	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1253	{
951	STRCPY(server, "@server=");	1254	strcpy (server, "@server=");
952	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1255	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1256
953	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1257	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
954	*p = '\0';	1258	*p = '\0';
955		1259
956	atom = XInternAtom(R->Xdisplay, server, False);	1260	atom = XInternAtom (display->display, server, False);
957	win = XGetSelectionOwner(R->Xdisplay, atom);	1261	win = XGetSelectionOwner (display->display, atom);
		1262
958	if (win != None)	1263	if (win != None)
959	return True;	1264	return True;
960	}	1265	}
		1266
961	return False;	1267	return False;
962	}	1268	}
963		1269
964	/* EXTPROTO */
965	void	1270	void
966	rxvt_IMSendSpot(pR)	1271	rxvt_term::IMSendSpot ()
967	{	1272	{
968	XPoint spot;	1273	XPoint nspot;
969	XVaNestedList preedit_attr;	1274	XVaNestedList preedit_attr;
970		1275
971	if (R->Input_Context == NULL	1276	if (!Input_Context
		1277	|| !focus
972	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1278	|| !(input_style & XIMPreeditPosition))
973	|| !(R->event_type == KeyPress
974	|| R->event_type == Expose
975	|| R->event_type == NoExpose
976	|| R->event_type == SelectionNotify
977	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
978	|| !rxvt_IMisRunning(aR))
979	return;	1279	return;
980		1280
981	rxvt_setPosition(aR_ & spot);	1281	im_set_position (nspot);
982		1282
		1283	if (nspot.x == spot.x && nspot.y == spot.y)
		1284	return;
		1285
		1286	spot = nspot;
		1287
983	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1288	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
984	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1289	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
985	XFree(preedit_attr);	1290	XFree (preedit_attr);
986	}	1291	}
987		1292
988	/* EXTPROTO */
989	void	1293	void
990	rxvt_setTermFontSet(pR_ int idx)	1294	rxvt_term::im_destroy ()
991	{	1295	{
992	char *string;	1296	if (input_method)
993	long length;
994	int success = 0;
995
996	if (idx < 0 || idx >= MAX_NFONTS)
997	return;
998	}
999
1000	/* INTPROTO */
1001	void
1002	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1003	XRectangle * needed_rect)
1004	{
1005	int mbh, vtx = 0;
1006
1007	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1008	vtx = scrollbar_TotalWidth();
1009	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1010	mbh -= R->TermWin.lineSpace;
1011
1012	preedit_rect->x = needed_rect->width + vtx;
1013	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1014
1015	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1016	+ vtx;
1017	preedit_rect->height = Height2Pixel(1);
1018
1019	status_rect->x = vtx;
1020	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1021
1022	status_rect->width = needed_rect->width ? needed_rect->width
1023	: Width2Pixel(R->TermWin.ncol + 1);
1024	status_rect->height = Height2Pixel(1);
1025	}
1026
1027	/* ARGSUSED */
1028	/* INTPROTO */
1029	void
1030	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1031	__attribute__ ((unused)), XPointer call_data
1032	__attribute__ ((unused)))
1033	{
1034	dR;
1035
1036	R->Input_Context = NULL;
1037	/* To avoid Segmentation Fault in C locale: Solaris only? */
1038	if (STRCMP(R->locale, "C"))
1039	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1040	rxvt_IMInstantiateCallback, NULL);
1041	}
1042
1043	/*
1044	* X manual pages and include files don't match on some systems:
1045	* some think this is an XIDProc and others an XIMProc so we can't
1046	* use the first argument - need to update this to be nice for
1047	* both types via some sort of configure detection
1048	*/
1049	/* ARGSUSED */
1050	/* EXTPROTO */
1051	void
1052	rxvt_IMInstantiateCallback(Display * unused
1053	__attribute__ ((unused)), XPointer client_data
1054	__attribute__ ((unused)), XPointer call_data
1055	__attribute__ ((unused)))
1056	{
1057	dR;
1058	int i, found, had_im;
1059	const char *p;
1060	char **s;
1061	char buf[IMBUFSIZ];
1062
1063	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1064	if (R->Input_Context)
1065	return;
1066
1067	found = had_im = 0;
1068	p = R->rs[Rs_inputMethod];
1069	if (p && *p) {
1070	had_im = 1;
1071	s = rxvt_splitcommastring(p);
1072	for (i = 0; s[i]; i++) {
1073	if (*s[i]) {
1074	STRCPY(buf, "@im=");
1075	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1076	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1077	&& (rxvt_IM_get_IC(aR) == True)) {
1078	found = 1;
1079	break;
1080	}
1081	}
1082	}
1083	for (i = 0; s[i]; i++)
1084	free(s[i]);
1085	free(s);
1086	}	1297	{
1087	if (found)	1298	if (Input_Context && input_method->xim)
1088	return;	1299	XDestroyIC (Input_Context);
1089		1300
1090	/* try with XMODIFIERS env. var. */	1301	display->put_xim (input_method);
1091	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1302	input_method = 0;
1092	rxvt_IM_get_IC(aR);
1093	return;
1094	}	1303	}
1095		1304
1096	/* try with no modifiers base IF the user didn't specify an IM */	1305	Input_Context = 0;
1097	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1098	&& rxvt_IM_get_IC(aR) == True)
1099	return;
1100	}	1306	}
1101		1307
1102	/*	1308	/*
1103	* 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
1104	* open a suitable preedit type	1310	* open a suitable preedit type
1105	*/	1311	*/
1106	/* INTPROTO */
1107	Bool	1312	bool
1108	rxvt_IM_get_IC(pR)	1313	rxvt_term::IM_get_IC (const char *modifiers)
1109	{	1314	{
1110	int i, j, found;	1315	int i, j, found;
1111	XIM xim;	1316	XIM xim;
1112	XPoint spot;	1317	XPoint spot;
1113	XRectangle rect, status_rect, needed_rect;	1318	XRectangle rect, status_rect, needed_rect;
1114	unsigned long fg, bg;	1319	unsigned long fg, bg;
1115	const char *p;	1320	const char *p;
1116	char **s;	1321	char **s;
1117	XIMStyles *xim_styles;	1322	XIMStyles *xim_styles;
1118	XVaNestedList preedit_attr, status_attr;
1119	XIMCallback ximcallback;
1120		1323
		1324	set_environ (envv);
		1325
		1326	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1327	return false;
		1328
1121	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1329	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1122	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1330	input_method = display->get_xim (locale, modifiers);
1123	if (xim == NULL)	1331	if (input_method == NULL)
1124	return False;	1332	return false;
1125		1333
		1334	xim = input_method->xim;
		1335	spot.x = spot.y = -1;
		1336
1126	xim_styles = NULL;	1337	xim_styles = NULL;
1127	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1338	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1128	|| !xim_styles || !xim_styles->count_styles) {	1339	|| !xim_styles || !xim_styles->count_styles)
1129	XCloseIM(xim);	1340	{
		1341	im_destroy ();
1130	return False;	1342	return false;
		1343	}
		1344
		1345	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1346
		1347	for (int pi = 0; pi < 2; pi++)
1131	}	1348	{
		1349	p = pet[pi];
1132		1350
1133	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1351	if (!p)
1134	: "OverTheSpot,OffTheSpot,Root";	1352	continue;
		1353
1135	s = rxvt_splitcommastring(p);	1354	s = rxvt_splitcommastring (p);
		1355
1136	for (i = found = 0; !found && s[i]; i++) {	1356	for (i = found = 0; !found && s[i]; i++)
		1357	{
1137	if (!STRCMP(s[i], "OverTheSpot"))	1358	if (!strcmp (s[i], "OverTheSpot"))
1138	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1359	input_style = (XIMPreeditPosition | XIMStatusNothing);
1139	else if (!STRCMP(s[i], "OffTheSpot"))	1360	else if (!strcmp (s[i], "OffTheSpot"))
1140	R->input_style = (XIMPreeditArea | XIMStatusArea);	1361	input_style = (XIMPreeditArea | XIMStatusArea);
1141	else if (!STRCMP(s[i], "Root"))	1362	else if (!strcmp (s[i], "Root"))
1142	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1363	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1364	else if (!strcmp (s[i], "None"))
		1365	input_style = (XIMPreeditNone | XIMStatusNone);
1143		1366
1144	for (j = 0; j < xim_styles->count_styles; j++)	1367	for (j = 0; j < xim_styles->count_styles; j++)
1145	if (R->input_style == xim_styles->supported_styles[j]) {	1368	if (input_style == xim_styles->supported_styles[j])
		1369	{
		1370	rxvt_freecommastring (s);
		1371
1146	found = 1;	1372	found = 1;
		1373	goto foundpet;
		1374	}
		1375
		1376	}
		1377
		1378	rxvt_freecommastring (s);
		1379	}
		1380
		1381	foundpet:
		1382
		1383	XFree (xim_styles);
		1384
		1385	if (!found)
		1386	{
		1387	im_destroy ();
		1388	return false;
		1389	}
		1390
		1391	XFontSet fs = 0;
		1392	XVaNestedList preedit_attr = 0, status_attr = 0;
		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
		1426	if (input_style & XIMPreeditPosition)
		1427	{
		1428	im_set_size (rect);
		1429	im_set_position (spot);
		1430	im_set_color (fg, bg);
		1431
		1432	preedit_attr = XVaCreateNestedList (0,
		1433	XNForeground, fg,
		1434	XNBackground, bg,
		1435	XNArea, &rect,
		1436	XNSpotLocation, &spot,
		1437	XNFontSet, fs,
		1438	NULL);
		1439	}
		1440	else if (input_style & XIMPreeditArea)
		1441	{
		1442	im_set_color (fg, bg);
		1443
		1444	/*
		1445	* The necessary width of preedit area is unknown
		1446	* until create input context.
		1447	*/
		1448	needed_rect.width = 0;
		1449	im_set_preedit_area (rect, status_rect, needed_rect);
		1450
		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
		1478	if (Input_Context == NULL)
		1479	{
		1480	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1481	im_destroy ();
		1482	return false;
		1483	}
		1484
		1485	if (input_style & XIMPreeditArea)
		1486	IMSetStatusPosition ();
		1487
		1488	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1489	return true;
		1490	}
		1491
		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;
1147	break;	1529	break;
		1530	}
1148	}	1531	}
1149	}	1532	}
1150	for (i = 0; s[i]; i++)
1151	free(s[i]);
1152	free(s);
1153	XFree(xim_styles);
1154		1533
		1534	rxvt_freecommastring (s);
		1535
1155	if (!found) {	1536	if (found)
1156	XCloseIM(xim);	1537	goto done;
1157	return False;
1158	}	1538	}
1159		1539
1160	ximcallback.callback = rxvt_IMDestroyCallback;	1540	/* try with XMODIFIERS env. var. */
		1541	if (IM_get_IC (""))
		1542	goto done;
1161		1543
1162	/* XXX: not sure why we need this (as well as IC one below) */	1544	/* try with no modifiers base IF the user didn't specify an IM */
1163	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1545	if (IM_get_IC ("@im=none"))
		1546	goto done;
1164		1547
1165	preedit_attr = status_attr = NULL;	1548	done:
1166		1549	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1167	if (R->input_style & XIMPreeditPosition) {	1550	if (rs[Rs_imLocale])
1168	rxvt_setSize(aR_ & rect);	1551	SET_LOCALE (locale);
1169	rxvt_setPosition(aR_ & spot);	1552	#endif
1170	rxvt_setColor(aR_ & fg, &bg);
1171
1172	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1173	XNSpotLocation, &spot,
1174	XNForeground, fg, XNBackground, bg,
1175	//XNFontSet, R->TermWin.fontset,
1176	NULL);
1177	} else if (R->input_style & XIMPreeditArea) {
1178	rxvt_setColor(aR_ & fg, &bg);
1179
1180	/*
1181	* The necessary width of preedit area is unknown
1182	* until create input context.
1183	*/
1184	needed_rect.width = 0;
1185
1186	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1187
1188	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1189	XNForeground, fg, XNBackground, bg,
1190	//XNFontSet, R->TermWin.fontset,
1191	NULL);
1192	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1193	XNForeground, fg, XNBackground, bg,
1194	//XNFontSet, R->TermWin.fontset,
1195	NULL);
1196	}
1197	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1198	XNClientWindow, R->TermWin.parent[0],
1199	XNFocusWindow, R->TermWin.parent[0],
1200	XNDestroyCallback, &ximcallback,
1201	preedit_attr ? XNPreeditAttributes : NULL,
1202	preedit_attr,
1203	status_attr ? XNStatusAttributes : NULL,
1204	status_attr, NULL);
1205	if (preedit_attr)
1206	XFree(preedit_attr);
1207	if (status_attr)
1208	XFree(status_attr);
1209	if (R->Input_Context == NULL) {
1210	rxvt_print_error("failed to create input context");
1211	XCloseIM(xim);
1212	return False;
1213	}
1214	if (R->input_style & XIMPreeditArea)
1215	rxvt_IMSetStatusPosition(aR);
1216	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1217	return True;
1218	}	1553	}
1219		1554
1220	/* EXTPROTO */
1221	void	1555	void
1222	rxvt_IMSetStatusPosition(pR)	1556	rxvt_term::IMSetStatusPosition ()
1223	{	1557	{
1224	XRectangle preedit_rect, status_rect, *needed_rect;	1558	XRectangle preedit_rect, status_rect, *needed_rect;
1225	XVaNestedList preedit_attr, status_attr;	1559	XVaNestedList preedit_attr, status_attr;
1226		1560
1227	if (R->Input_Context == NULL	1561	if (!Input_Context
		1562	|| !focus
1228	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1563	|| !(input_style & XIMPreeditArea)
1229	|| !rxvt_IMisRunning(aR))	1564	|| !IMisRunning ())
1230	return;	1565	return;
1231		1566
1232	/* Getting the necessary width of preedit area */	1567	/* Getting the necessary width of preedit area */
1233	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1568	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1234	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1569	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1235	XFree(status_attr);	1570	XFree (status_attr);
1236		1571
1237	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1572	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1573	XFree (needed_rect);
1238		1574
1239	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1575	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1240	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1576	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1241		1577
1242	XSetICValues(R->Input_Context,	1578	XSetICValues (Input_Context,
1243	XNPreeditAttributes, preedit_attr,	1579	XNPreeditAttributes, preedit_attr,
1244	XNStatusAttributes, status_attr, NULL);	1580	XNStatusAttributes, status_attr, NULL);
1245		1581
1246	XFree(preedit_attr);	1582	XFree (preedit_attr);
1247	XFree(status_attr);	1583	XFree (status_attr);
1248	}	1584	}
1249	#endif /* USE_XIM */	1585	#endif /* USE_XIM */
1250		1586
1251	/*----------------------------------------------------------------------*/
1252	rxvt_t rxvt_current_term;
1253
1254	/*----------------------- end-of-file (C source) -----------------------*/	1587	/*----------------------- end-of-file (C source) -----------------------*/

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