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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.7 by pcg, Wed Nov 26 10:42:34 2003 UTC vs.
Revision 1.193 by root, Sat Jan 21 14:25:05 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.7 2003/11/26 10:42:34 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),
		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),
66	#endif	168	#endif
67	#ifdef POINTER_BLANK	169	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	170	pointer_ev (this, &rxvt_term::pointer_cb),
69	#endif	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),
70	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)
71	{	186	{
72	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;
73	}	204	}
74		205
75	rxvt_term::~rxvt_term ()	206	rxvt_term::~rxvt_term ()
76	{	207	{
77	delete PixColors;	208	termlist.erase (find (termlist.begin (), termlist.end(), this));
78	}
79		209
80	/*----------------------------------------------------------------------*/	210	emergency_cleanup ();
81	/* rxvt_init() */
82	/* LIBPROTO */
83	rxvt_t
84	rxvt_init(int argc, const char *const *argv)
85	{
86	SET_R(new rxvt_term);
87	dR;
88		211
89	if (!R->init_vars () || !R->init (argc, argv))	212	#if ENABLE_STYLES
90	{	213	for (int i = RS_styleCount; --i; )
91	delete R;	214	if (fontset[i] != fontset[0])
92	return NULL;	215	delete fontset[i];
		216	#endif
		217	delete fontset[0];
		218
		219	if (display)
93	}	220	{
		221	dDisp;
94		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)
95	return R;	308	return;
96	}
97		309
98	bool	310	if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)))
99	rxvt_term::init (int argc, const char *const *argv)	311	return;
100	{
101	dR;//TODO (scrollbar, setidle)
102		312
103	/*	313	#if ENABLE_OVERLAY
104	* Save and then give up any super-user privileges	314	scr_overlay_off ();
105	* If we need privileges in any area then we must specifically request it.
106	* We should only need to be root in these cases:
107	* 1. write utmp entries on some systems
108	* 2. chown tty on some systems
109	*/
110	rxvt_privileges (this, SAVE);
111	rxvt_privileges (this, IGNORE);
112
113	rxvt_init_secondary (this);
114
115	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
116
117	#if (MENUBAR_MAX)
118	rxvt_menubar_read (this, rs[Rs_menu]);
119	#endif	315	#endif
		316
		317	if (display)
		318	{
		319	#if USE_XIM
		320	im_ev.stop (display);
		321	#endif
120	#ifdef HAVE_SCROLLBARS	322	#if HAVE_SCROLLBARS
121	if (Options & Opt_scrollBar)	323	scrollbar_ev.stop (display);
122	scrollbar_setIdle (); /* set existence for size calculations */
123	#endif	324	#endif
124
125	rxvt_Create_Windows (this, argc, argv);
126
127	rxvt_init_xlocale (this);
128
129	rxvt_scr_reset (this); /* initialize screen */
130	#ifdef RXVT_GRAPHICS
131	rxvt_Gr_reset (this); /* reset graphics */
132	#endif
133
134	#if 0
135	#ifdef DEBUG_X
136	XSynchronize(Xdisplay, True);
137	XSetErrorHandler((XErrorHandler) abort);
138	#else
139	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
140	#endif
141	#endif
142
143	#ifdef HAVE_SCROLLBARS
144	if (Options & Opt_scrollBar)
145	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
146	#endif
147	#if (MENUBAR_MAX)
148	if (menubar_visible(r))
149	XMapWindow (Xdisplay, menuBar.win);
150	#endif
151	#ifdef TRANSPARENT	325	#if TRANSPARENT
152	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);
153	{	331	}
154	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
155	rxvt_check_our_parents (this);
156	}
157	#endif
158	XMapWindow (Xdisplay, TermWin.vt);
159	XMapWindow (Xdisplay, TermWin.parent[0]);
160		332
161	rxvt_init_env (this);	333	check_ev.stop ();
162	rxvt_init_command (this, cmd_argv);	334	pty_ev.stop ();
163		335	#ifdef CURSOR_BLINK
164	x_ev.start (Xfd, EVENT_READ);	336	cursor_blink_ev.stop ();
165	pty_ev.start (cmd_fd, EVENT_READ);
166
167	flush ();
168
169	return true;
170	}
171
172	/* ------------------------------------------------------------------------- *
173	* SIGNAL HANDLING & EXIT HANDLER *
174	* ------------------------------------------------------------------------- */
175	/*
176	* Catch a SIGCHLD signal and exit if the direct child has died
177	*/
178	/* ARGSUSED */
179	/* EXTPROTO */
180	RETSIGTYPE
181	rxvt_Child_signal(int sig __attribute__ ((unused)))
182	{
183	dR;
184	int pid, save_errno = errno;
185
186	do {
187	errno = 0;
188	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
189
190	if (pid == R->cmd_pid)
191	exit(EXIT_SUCCESS);
192
193	errno = save_errno;
194	signal(SIGCHLD, rxvt_Child_signal);
195	}
196
197	/*
198	* Catch a fatal signal and tidy up before quitting
199	*/
200	/* EXTPROTO */
201	RETSIGTYPE
202	rxvt_Exit_signal(int sig)
203	{
204	signal(sig, SIG_DFL);
205	#ifdef DEBUG_CMD
206	rxvt_print_error("signal %d", sig);
207	#endif	337	#endif
208	rxvt_clean_exit();	338	#ifdef TEXT_BLINK
209	kill(getpid(), sig);	339	text_blink_ev.stop ();
210	}	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
211		350
212	/* ARGSUSED */	351	destroy_ev.start (0);
213	/* INTPROTO */	352	}
214	int
215	rxvt_xerror_handler(const Display * display
216	__attribute__ ((unused)), const XErrorEvent * event)
217	{
218	dR;
219		353
220	if (R->allowedxerror == -1) {	354	void
221	R->allowedxerror = event->error_code;	355	rxvt_term::destroy_cb (time_watcher &w)
222	return 0; /* ignored anyway */	356	{
223	}	357	make_current ();
224	rxvt_print_error("XError: Request: %d . %d, Error: %d",	358
225	event->request_code, event->minor_code,	359	delete this;
226	event->error_code);
227	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
228	exit(EXIT_FAILURE);
229	/* NOTREACHED */
230	}	360	}
231		361
232	/*----------------------------------------------------------------------*/	362	/*----------------------------------------------------------------------*/
233	/*	363	/*
234	* Exit gracefully, clearing the utmp entry and restoring tty attributes	364	* Exit gracefully, clearing the utmp entry and restoring tty attributes
235	* 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
236	*/	366	*/
237	/* EXTPROTO */	367	static XErrorHandler old_xerror_handler;
238	void
239	rxvt_clean_exit(void)
240	{
241	dR;
242		368
243	#ifdef DEBUG_SCREEN	369	static void
244	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	}
245	#endif	423	#endif
246	#ifndef NO_SETOWNER_TTYDEV	424
247	rxvt_privileged_ttydev(aR_ RESTORE);	425	int
248	#endif	426	rxvt_xerror_handler (Display *display, XErrorEvent *event)
249	#ifdef UTMP_SUPPORT	427	{
250	rxvt_privileged_utmp(aR_ RESTORE);	428	if (GET_R->allowedxerror == -1)
251	#endif	429	GET_R->allowedxerror = event->error_code;
252	#ifdef USE_XIM	430	else
253	if (R->Input_Context != NULL) {
254	XDestroyIC(R->Input_Context);
255	R->Input_Context = NULL;
256	}	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);
257	#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)
		456	{
		457	SET_R (this);
		458	set_locale ("");
		459	set_environ (envv); // few things in X do not call setlocale :(
		460
		461	if (!init_vars ())
		462	return false;
		463
		464	init_secondary ();
		465
		466	const char **cmd_argv = init_resources (argc, argv);
		467
		468	#ifdef KEYSYM_RESOURCE
		469	keyboard->register_done ();
		470	#endif
		471
		472	#ifdef HAVE_SCROLLBARS
		473	if (OPTION (Opt_scrollBar))
		474	scrollBar.setIdle (); /* set existence for size calculations */
		475	#endif
		476
		477	pty = rxvt_new_ptytty ();
		478
		479	create_windows (argc, argv);
		480
		481	dDisp;
		482
		483	init_xlocale ();
		484
		485	scr_reset (); // initialize screen
		486
		487	#if 0
		488	XSynchronize (disp, True);
		489	#endif
		490
		491	#ifdef HAVE_SCROLLBARS
		492	if (OPTION (Opt_scrollBar))
		493	resize_scrollbar (); /* create and map scrollbar */
		494	#endif
		495	#ifdef TRANSPARENT
		496	if (OPTION (Opt_transparent))
		497	{
		498	XSelectInput (disp, display->root, PropertyChangeMask);
		499	check_our_parents ();
		500	rootwin_ev.start (display, display->root);
		501	}
		502	#endif
		503
		504	set_colorfgbg ();
		505
		506	init_command (cmd_argv);
		507
		508	free (cmd_argv);
		509
		510	if (pty->pty >= 0)
		511	pty_ev.start (pty->pty, EVENT_READ);
		512
		513	check_ev.start ();
		514
		515	HOOK_INVOKE ((this, HOOK_START, DT_END));
		516
		517	XMapWindow (disp, vt);
		518	XMapWindow (disp, parent[0]);
		519
		520	return true;
		521	}
		522
		523	static struct sig_handlers
		524	{
		525	sig_watcher sw_term, sw_int;
		526
		527	/*
		528	* Catch a fatal signal and tidy up before quitting
		529	*/
		530	void
		531	sig_term (sig_watcher &w)
		532	{
		533	#ifdef DEBUG_CMD
		534	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		535	#endif
		536	rxvt_emergency_cleanup ();
		537	signal (w.signum, SIG_DFL);
		538	kill (getpid (), w.signum);
		539	}
		540
		541	sig_handlers ()
		542	: sw_term (this, &sig_handlers::sig_term),
		543	sw_int (this, &sig_handlers::sig_term)
		544	{
		545	}
		546	} sig_handlers;
		547
		548	char **rxvt_environ; // startup environment
		549
		550	void
		551	rxvt_init ()
		552	{
		553	uid_t uid = getuid ();
		554	gid_t gid = getgid ();
		555
		556	// before doing anything else, check for setuid/setgid operation,
		557	// start the helper process and drop privileges
		558	if (uid != geteuid ()
		559	|| gid != getegid ())
		560	{
		561	#if PTYTTY_HELPER
		562	rxvt_ptytty_server ();
		563	#else
		564	rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
		565	#endif
		566
		567	// drop privileges
		568	#if HAVE_SETRESUID
		569	setresgid (gid, gid, gid);
		570	setresuid (uid, uid, uid);
		571	#elif HAVE_SETREUID
		572	setregid (gid, gid);
		573	setreuid (uid, uid);
		574	#elif HAVE_SETUID
		575	setgid (gid);
		576	setuid (uid);
		577	#endif
		578
		579	if (uid != geteuid ()
		580	|| gid != getegid ())
		581	rxvt_fatal ("unable to drop privileges, aborting.\n");
		582	}
		583
		584	rxvt_environ = environ;
		585
		586	signal (SIGHUP, SIG_IGN);
		587	signal (SIGPIPE, SIG_IGN);
		588
		589	sig_handlers.sw_term.start (SIGTERM);
		590	sig_handlers.sw_int.start (SIGINT);
		591
		592	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		593	/* signal (SIGURG, SIG_DFL); */
		594
		595	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		596	// TODO: handle this with exceptions and tolerate the memory loss
		597	XSetIOErrorHandler (rxvt_xioerror_handler);
		598
		599	XrmInitialize ();
258	}	600	}
259		601
260	/* ------------------------------------------------------------------------- *	602	/* ------------------------------------------------------------------------- *
261	* MEMORY ALLOCATION WRAPPERS *	603	* MEMORY ALLOCATION WRAPPERS *
262	* ------------------------------------------------------------------------- */	604	* ------------------------------------------------------------------------- */
263	/* EXTPROTO */	605	void *
264	void *
265	rxvt_malloc(size_t size)	606	rxvt_malloc (size_t size)
266	{	607	{
267	void *p;
268
269	p = malloc(size);	608	void *p = malloc (size);
		609
270	if (p)	610	if (!p)
		611	rxvt_fatal ("memory allocation failure. aborting.\n");
		612
271	return p;	613	return p;
272
273	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
274	rxvt_clean_exit();
275	exit(EXIT_FAILURE);
276	/* NOTREACHED */
277	}	614	}
278		615
279	/* EXTPROTO */	616	void *
280	void *
281	rxvt_calloc(size_t number, size_t size)	617	rxvt_calloc (size_t number, size_t size)
282	{	618	{
283	void *p;
284
285	p = calloc(number, size);	619	void *p = calloc (number, size);
		620
286	if (p)	621	if (!p)
		622	rxvt_fatal ("memory allocation failure. aborting.\n");
		623
287	return p;	624	return p;
288
289	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
290	rxvt_clean_exit();
291	exit(EXIT_FAILURE);
292	/* NOTREACHED */
293	}	625	}
294		626
295	/* EXTPROTO */	627	void *
296	void *
297	rxvt_realloc(void *ptr, size_t size)	628	rxvt_realloc (void *ptr, size_t size)
298	{	629	{
299	void *p;
300
301	if (ptr)
302	p = realloc(ptr, size);	630	void *p = realloc (ptr, size);
303	else	631
304	p = malloc(size);
305	if (p)	632	if (!p)
		633	rxvt_fatal ("memory allocation failure. aborting.\n");
		634
306	return p;	635	return p;
307
308	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
309	rxvt_clean_exit();
310	exit(EXIT_FAILURE);
311	/* NOTREACHED */
312	}	636	}
313
314	/* ------------------------------------------------------------------------- *
315	* PRIVILEGED OPERATIONS *
316	* ------------------------------------------------------------------------- */
317	/* take care of suid/sgid super-user (root) privileges */
318	/* INTPROTO */
319	void
320	rxvt_privileges(pR_ int mode)
321	{
322	#if ! defined(__CYGWIN32__)
323	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
324	/* setreuid() is the poor man's setuid(), seteuid() */
325	# define seteuid(a) setreuid(-1, (a))
326	# define setegid(a) setregid(-1, (a))
327	# define HAVE_SETEUID
328	# endif
329	# ifdef HAVE_SETEUID
330	switch (mode) {
331	case IGNORE:
332	/*
333	* change effective uid/gid - not real uid/gid - so we can switch
334	* back to root later, as required
335	*/
336	seteuid(getuid());
337	setegid(getgid());
338	break;
339	case SAVE:
340	R->euid = geteuid();
341	R->egid = getegid();
342	break;
343	case RESTORE:
344	seteuid(R->euid);
345	setegid(R->egid);
346	break;
347	}
348	# else
349	switch (mode) {
350	case IGNORE:
351	setuid(getuid());
352	setgid(getgid());
353	/* FALLTHROUGH */
354	case SAVE:
355	/* FALLTHROUGH */
356	case RESTORE:
357	break;
358	}
359	# endif
360	#endif
361	}
362
363	#ifdef UTMP_SUPPORT
364	/* EXTPROTO */
365	void
366	rxvt_privileged_utmp(pR_ char action)
367	{
368	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
369	action, R->next_utmp_action, getpid()));
370	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
371	|| (R->Options & Opt_utmpInhibit)
372	|| R->ttydev == NULL || *R->ttydev == '\0')
373	return;
374
375	rxvt_privileges(aR_ RESTORE);
376	if (action == SAVE) {
377	R->next_utmp_action = RESTORE;
378	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
379	} else { /* action == RESTORE */
380	R->next_utmp_action = IGNORE;
381	rxvt_cleanutent(aR);
382	}
383	rxvt_privileges(aR_ IGNORE);
384	}
385	#endif
386
387	#ifndef NO_SETOWNER_TTYDEV
388	/* EXTPROTO */
389	void
390	rxvt_privileged_ttydev(pR_ char action)
391	{
392	D_MAIN((stderr,
393	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
394	action, R->next_tty_action, getpid()));
395	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
396	|| R->ttydev == NULL || *R->ttydev == '\0')
397	return;
398
399	rxvt_privileges(aR_ RESTORE);
400
401	if (action == SAVE) {
402	R->next_tty_action = RESTORE;
403	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
404	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
405	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
406	R->next_tty_action = IGNORE;
407	else
408	# endif
409	{
410	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
411	chmod(R->ttydev, R->ttymode);
412	# ifdef HAVE_REVOKE
413	revoke(R->ttydev);
414	# endif
415	}
416	} else { /* action == RESTORE */
417	R->next_tty_action = IGNORE;
418	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
419	chmod(R->ttydev, R->ttyfd_stat.st_mode);
420	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
421	# else
422	chmod(R->ttydev,
423	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
424	chown(R->ttydev, 0, 0);
425	# endif
426	}
427
428	rxvt_privileges(aR_ IGNORE);
429
430	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
431	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
432	action == RESTORE ? "Restoring" : (action ==
433	SAVE ? "Saving" :
434	"UNKNOWN ERROR for"), R->ttydev,
435	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
436	R->ttyfd_stat.st_gid));
437	# endif
438	}
439	#endif
440		637
441	/*----------------------------------------------------------------------*/	638	/*----------------------------------------------------------------------*/
442	/*	639	/*
443	* window size/position calculcations for XSizeHint and other storage.	640	* window size/position calculcations for XSizeHint and other storage.
444	* if width/height are non-zero then override calculated width/height	641	* if width/height are non-zero then override calculated width/height
445	*/	642	*/
446	/* EXTPROTO */
447	void	643	void
448	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	644	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
449	{	645	{
450	short recalc_x, recalc_y;	646	short recalc_x, recalc_y;
451	int x, y, sb_w, mb_h, flags;	647	int x, y, sb_w, flags;
452	unsigned int w, h;	648	unsigned int w, h;
453	unsigned int max_width, max_height;	649	unsigned int max_width, max_height;
		650	dDisp;
454		651
455	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	652	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
456	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	653	ncol, nrow, szHint.width, szHint.height));
457	R->szHint.height));	654
458	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	655	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
459	R->szHint.win_gravity = NorthWestGravity;	656	szHint.win_gravity = NorthWestGravity;
460	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	657	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
461		658
462	recalc_x = recalc_y = 0;	659	recalc_x = recalc_y = 0;
463	flags = 0;	660	flags = 0;
		661
464	if (!R->parsed_geometry) {	662	if (!parsed_geometry)
		663	{
465	R->parsed_geometry = 1;	664	parsed_geometry = 1;
		665
466	if (R->rs[Rs_geometry])	666	if (rs[Rs_geometry])
467	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	667	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		668
468	if (flags & WidthValue) {	669	if (flags & WidthValue)
469	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	670	{
		671	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
470	R->szHint.flags |= USSize;	672	szHint.flags |= USSize;
471	}	673	}
		674
472	if (flags & HeightValue) {	675	if (flags & HeightValue)
473	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	676	{
		677	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
474	R->szHint.flags |= USSize;	678	szHint.flags |= USSize;
475	}	679	}
		680
476	if (flags & XValue) {	681	if (flags & XValue)
		682	{
477	R->szHint.x = x;	683	szHint.x = x;
478	R->szHint.flags |= USPosition;	684	szHint.flags |= USPosition;
		685
479	if (flags & XNegative) {	686	if (flags & XNegative)
		687	{
480	recalc_x = 1;	688	recalc_x = 1;
481	R->szHint.win_gravity = NorthEastGravity;	689	szHint.win_gravity = NorthEastGravity;
482	}	690	}
483	}	691	}
		692
484	if (flags & YValue) {	693	if (flags & YValue)
		694	{
485	R->szHint.y = y;	695	szHint.y = y;
486	R->szHint.flags |= USPosition;	696	szHint.flags |= USPosition;
		697
487	if (flags & YNegative) {	698	if (flags & YNegative)
		699	{
488	recalc_y = 1;	700	recalc_y = 1;
		701
489	if (R->szHint.win_gravity == NorthEastGravity)	702	if (szHint.win_gravity == NorthEastGravity)
490	R->szHint.win_gravity = SouthEastGravity;	703	szHint.win_gravity = SouthEastGravity;
491	else	704	else
492	R->szHint.win_gravity = SouthWestGravity;	705	szHint.win_gravity = SouthWestGravity;
493	}	706	}
494	}	707	}
495	}	708	}
		709
496	/* TODO: BOUNDS */	710	/* TODO: BOUNDS */
497	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	711	width = ncol * fwidth;
498	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	712	height = nrow * fheight;
499	max_width = MAX_COLS * R->TermWin.fwidth;	713	max_width = MAX_COLS * fwidth;
500	max_height = MAX_ROWS * R->TermWin.fheight;	714	max_height = MAX_ROWS * fheight;
501		715
502	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	716	szHint.base_width = szHint.base_height = 2 * int_bwidth;
503		717
504	sb_w = mb_h = 0;	718	sb_w = 0;
505	R->window_vt_x = R->window_vt_y = 0;	719	window_vt_x = window_vt_y = int_bwidth;
506	if (scrollbar_visible(R)) {	720
		721	if (scrollBar.state)
		722	{
507	sb_w = scrollbar_TotalWidth();	723	sb_w = scrollbar_TotalWidth ();
508	R->szHint.base_width += sb_w;	724	szHint.base_width += sb_w;
509	if (!(R->Options & Opt_scrollBar_right))	725	if (!OPTION (Opt_scrollBar_right))
510	R->window_vt_x = sb_w;	726	window_vt_x += sb_w;
511	}	727	}
512	if (menubar_visible(R)) {	728
513	mb_h = menuBar_TotalHeight();
514	R->szHint.base_height += mb_h;
515	R->window_vt_y = mb_h;
516	}
517	R->szHint.width_inc = R->TermWin.fwidth;	729	szHint.width_inc = fwidth;
518	R->szHint.height_inc = R->TermWin.fheight;	730	szHint.height_inc = fheight;
519	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	731	szHint.min_width = szHint.base_width + szHint.width_inc;
520	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	732	szHint.min_height = szHint.base_height + szHint.height_inc;
521		733
522	if (width && width - R->szHint.base_width < max_width) {	734	if (newwidth && newwidth - szHint.base_width < max_width)
		735	{
523	R->szHint.width = width;	736	szHint.width = newwidth;
524	R->TermWin.width = width - R->szHint.base_width;	737	width = newwidth - szHint.base_width;
525	} else {	738	}
526	MIN_IT(R->TermWin.width, max_width);	739	else
		740	{
		741	min_it (width, max_width);
527	R->szHint.width = R->szHint.base_width + R->TermWin.width;	742	szHint.width = szHint.base_width + width;
528	}	743	}
		744
529	if (height && height - R->szHint.base_height < max_height) {	745	if (newheight && newheight - szHint.base_height < max_height)
		746	{
530	R->szHint.height = height;	747	szHint.height = newheight;
531	R->TermWin.height = height - R->szHint.base_height;	748	height = newheight - szHint.base_height;
532	} else {	749	}
533	MIN_IT(R->TermWin.height, max_height);	750	else
		751	{
		752	min_it (height, max_height);
534	R->szHint.height = R->szHint.base_height + R->TermWin.height;	753	szHint.height = szHint.base_height + height;
535	}	754	}
536	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	755
		756	if (scrollBar.state && OPTION (Opt_scrollBar_right))
537	R->window_sb_x = R->szHint.width - sb_w;	757	window_sb_x = szHint.width - sb_w;
538		758
539	if (recalc_x)	759	if (recalc_x)
540	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	760	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
541	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
542	if (recalc_y)	761	if (recalc_y)
543	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	762	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
544	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
545		763
546	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	764	ncol = width / fwidth;
547	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	765	nrow = height / fheight;
548	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	766	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
549	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	767	ncol, nrow, szHint.width,
550	R->szHint.height));	768	szHint.height));
551	return;	769	return;
552	}	770	}
553		771
554	/*----------------------------------------------------------------------*/	772	/*----------------------------------------------------------------------*/
555	/*	773	/*
556	* Tell the teletype handler what size the window is.	774	* Tell the teletype handler what size the window is.
557	* Called after a window size change.	775	* Called after a window size change.
558	*/	776	*/
559	/* EXTPROTO */
560	void	777	void
561	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	778	rxvt_term::tt_winch ()
562	{	779	{
		780	if (pty->pty < 0)
		781	return;
		782
563	struct winsize ws;	783	struct winsize ws;
564		784
565	if (fd < 0)
566	return;
567	ws.ws_col = col;	785	ws.ws_col = ncol;
568	ws.ws_row = row;	786	ws.ws_row = nrow;
569	ws.ws_xpixel = ws.ws_ypixel = 0;	787	ws.ws_xpixel = width;
570	#ifndef DEBUG_SIZE	788	ws.ws_ypixel = height;
571	(void)ioctl(fd, TIOCSWINSZ, &ws);	789	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
572	#else	790
573	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	791	#if 0
574	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	792	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
575	}
576	# ifdef SIGWINCH
577	else if (pid) /* force through to the command */	793	if (cmd_pid) /* force through to the command */
578	kill(pid, SIGWINCH);	794	kill (-cmd_pid, SIGWINCH);
579	# endif
580	#endif	795	#endif
581	}	796	}
582		797
583	/*----------------------------------------------------------------------*/	798	/*----------------------------------------------------------------------*/
584	/* rxvt_change_font() - Switch to a new font */	799	/* set_fonts () - load and set the various fonts
585	/*	800	*
586	* init = 1 - initialize	801	* init = 1 - initialize
587	*	802	*
588	* fontname == FONT_UP - switch to bigger font	803	* fontname == FONT_UP - switch to bigger font
589	* fontname == FONT_DN - switch to smaller font	804	* fontname == FONT_DN - switch to smaller font
590	*/	805	*/
591	/* EXTPROTO */	806	bool
592	void	807	rxvt_term::set_fonts ()
593	rxvt_change_font(pR_ int init, const char *fontname)
594	{	808	{
595	}	809	rxvt_fontset *fs = new rxvt_fontset (this);
		810	rxvt_fontprop prop;
596		811
597	/* INTPROTO */	812	if (!fs
598	void	813	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
599	rxvt_font_up_down(pR_ int n, int direction)	814	|| !fs->realize_font (1))
		815	{
		816	delete fs;
		817	return false;
		818	}
		819
		820	#if ENABLE_STYLES
		821	for (int i = RS_styleCount; --i; )
		822	if (fontset[i] != fontset[0])
		823	delete fontset[i];
		824	#endif
		825
		826	delete fontset[0];
		827	fontset[0] = fs;
		828
		829	prop = (*fs)[1]->properties ();
		830	prop.height += lineSpace;
		831	fs->set_prop (prop);
		832
		833	fwidth = prop.width;
		834	fheight = prop.height;
		835	fbase = prop.ascent;
		836
		837	for (int style = 1; style < 4; style++)
		838	{
		839	#if ENABLE_STYLES
		840	const char *res = rs[Rs_font + style];
		841
		842	if (res && !*res)
		843	fontset[style] = fontset[0];
		844	else
		845	{
		846	fontset[style] = fs = new rxvt_fontset (this);
		847	rxvt_fontprop prop2 = prop;
		848
		849	if (res)
		850	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		851	else
		852	{
		853	res = fontset[0]->fontdesc;
		854
		855	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		856	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		857	}
		858
		859	fs->populate (res);
		860	fs->set_prop (prop2);
		861	}
		862	#else
		863	fontset[style] = fontset[0];
		864	#endif
		865	}
		866
		867	if (parent[0])
		868	{
		869	resize_all_windows (0, 0, 0);
		870	scr_remap_chars ();
		871	scr_touch (true);
		872	}
		873
		874	return true;
		875	}
		876
		877	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
600	{	878	{
		879	XChangeProperty (display->display, parent[0],
		880	prop, XA_STRING, 8, PropModeReplace,
		881	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		882	}
		883
		884	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		885	{
		886	wchar_t *ws = rxvt_mbstowcs (str, len);
		887	char *s = rxvt_wcstoutf8 (ws);
		888
		889	XChangeProperty (display->display, parent[0],
		890	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		891	(const unsigned char *)s, strlen (s));
		892
		893	free (s);
		894	free (ws);
601	}	895	}
602		896
603	/*----------------------------------------------------------------------*/	897	/*----------------------------------------------------------------------*/
604	/*----------------------------------------------------------------------*/	898	/*----------------------------------------------------------------------*/
605	/* xterm sequences - title, iconName, color (exptl) */	899	/* xterm sequences - title, iconName, color (exptl) */
606	/* EXTPROTO */
607	void	900	void
608	rxvt_set_title(pR_ const char *str)	901	rxvt_term::set_title (const char *str)
609	{	902	{
610	#ifndef SMART_WINDOW_TITLE	903	set_string_property (XA_WM_NAME, str);
611	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	904	#if ENABLE_EWMH
		905	set_utf8_property (xa[XA_NET_WM_NAME], str);
		906	#endif
		907	}
		908
		909	void
		910	rxvt_term::set_icon_name (const char *str)
		911	{
		912	set_string_property (XA_WM_ICON_NAME, str);
		913	#if ENABLE_EWMH
		914	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		915	#endif
		916	}
		917
		918	#ifdef XTERM_COLOR_CHANGE
		919	void
		920	rxvt_term::set_window_color (int idx, const char *color)
		921	{
		922	rxvt_color xcol;
		923	int i;
		924
		925	if (color == NULL || *color == '\0')
		926	return;
		927
		928	/* handle color aliases */
		929	if (isdigit (*color))
		930	{
		931	i = atoi (color);
		932
		933	if (i >= 8 && i <= 15)
		934	{ /* bright colors */
		935	i -= 8;
		936	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		937	SET_PIXCOLOR (idx);
		938	goto done;
		939	}
		940
		941	if (i >= 0 && i <= 7)
		942	{ /* normal colors */
		943	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		944	SET_PIXCOLOR (idx);
		945	goto done;
		946	}
		947	}
		948
		949	if (!rXParseAllocColor (&xcol, color))
		950	return;
		951
		952	/* XStoreColor (display->display, display->cmap, XColor*); */
		953
		954	/*
		955	* FIXME: should free colors here, but no idea how to do it so instead,
		956	* so just keep gobbling up the colormap
		957	*/
		958	# if 0
		959	for (i = Color_Black; i <= Color_White; i++)
		960	if (pix_colors[idx] == pix_colors[i])
		961	break;
		962	if (i > Color_White)
		963	{
		964	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		965	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		966	DisplayPlanes (display->display, display->screen));
		967	}
		968	# endif
		969
		970	pix_colors_focused[idx] = xcol;
		971	SET_PIXCOLOR (idx);
		972
		973	/* XSetWindowAttributes attr; */
		974	/* Cursor cursor; */
		975	done:
		976
		977	#if OFF_FOCUS_FADING
		978	if (rs[Rs_fade])
		979	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		980	#endif
		981
		982	/*TODO: handle Color_BD, scrollbar background, etc. */
		983
		984	recolour_cursor ();
		985	scr_recolour ();
		986	}
		987
612	#else	988	#else
613	char *name;
614
615	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
616	name = NULL;
617	if (name == NULL || STRCMP(name, str))
618	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
619	if (name)
620	XFree(name);
621	#endif
622	}
623
624	/* EXTPROTO */
625	void
626	rxvt_set_iconName(pR_ const char *str)
627	{
628	#ifndef SMART_WINDOW_TITLE
629	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
630	#else
631	char *name;
632
633	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
634	name = NULL;
635	if (name == NULL || STRCMP(name, str))
636	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
637	if (name)
638	XFree(name);
639	#endif
640	}
641
642	#ifdef XTERM_COLOR_CHANGE
643	/* EXTPROTO */
644	void
645	rxvt_set_window_color(pR_ int idx, const char *color)
646	{
647	rxvt_color xcol;
648	int i;
649
650	if (color == NULL || *color == '\0')
651	return;
652
653	/* handle color aliases */
654	if (isdigit(*color)) {
655	i = atoi(color);
656	if (i >= 8 && i <= 15) { /* bright colors */
657	i -= 8;
658	# ifndef NO_BRIGHTCOLOR
659	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
660	SET_PIXCOLOR(R, idx);
661	goto Done;
662	# endif
663	}
664	if (i >= 0 && i <= 7) { /* normal colors */
665	R->PixColors[idx] = R->PixColors[minCOLOR + i];
666	SET_PIXCOLOR(R, idx);
667	goto Done;
668	}
669	}
670	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
671	return;
672	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
673
674	/*
675	* FIXME: should free colors here, but no idea how to do it so instead,
676	* so just keep gobbling up the colormap
677	*/
678	# if 0
679	for (i = Color_Black; i <= Color_White; i++)
680	if (R->PixColors[idx] == R->PixColors[i])
681	break;
682	if (i > Color_White) {
683	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
684	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
685	DisplayPlanes(R->Xdisplay, Xscreen));
686	}
687	# endif
688
689	R->PixColors[idx] = xcol;
690	SET_PIXCOLOR(R, idx);
691
692	/* XSetWindowAttributes attr; */
693	/* Cursor cursor; */
694	Done:
695	if (idx == Color_bg && !(R->Options & Opt_transparent))
696	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
697	R->PixColors[Color_bg]);
698
699	/* handle Color_BD, scrollbar background, etc. */
700
701	rxvt_set_colorfgbg(aR);
702	rxvt_recolour_cursor(aR);
703	/* the only reasonable way to enforce a clean update */
704	rxvt_scr_poweron(aR);
705	}
706
707	#else
708	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	989	# define set_window_color (idx,color) ((void)0)
709	#endif /* XTERM_COLOR_CHANGE */	990	#endif /* XTERM_COLOR_CHANGE */
710		991
711	/* EXTPROTO */
712	void	992	void
713	rxvt_recolour_cursor(pR)	993	rxvt_term::recolour_cursor ()
714	{	994	{
715	rxvt_color xcol[2];	995	XColor xcol[2];
716		996
717	#if TODO	997	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
718	xcol[0] = R->PixColors[Color_pointer];	998	? pix_colors_focused[Color_pointer_fg]
719	xcol[1] = R->PixColors[Color_bg];	999	: pix_colors_focused[Color_fg];
720	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1000	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1001	? pix_colors_focused[Color_pointer_bg]
		1002	: pix_colors_focused[Color_bg];
		1003
		1004	XQueryColors (display->display, display->cmap, xcol, 2);
721	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1005	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
722	#endif
723	}	1006	}
724		1007
725	/*----------------------------------------------------------------------*/	1008	/*----------------------------------------------------------------------*/
726	/*	1009	/*
727	* find if fg/bg matches any of the normal (low-intensity) colors	1010	* find if fg/bg matches any of the normal (low-intensity) colors
728	*/	1011	*/
729	/* INTPROTO */
730	void	1012	void
731	rxvt_set_colorfgbg(pR)	1013	rxvt_term::set_colorfgbg ()
732	{	1014	{
733	unsigned int i;	1015	unsigned int i;
734	const char *xpmb = "\0";	1016	const char *xpmb = "\0";
735	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1017	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
736		1018
737	R->env_colorfgbg =
738	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1019	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
739	STRCPY(fstr, "default");	1020	strcpy (fstr, "default");
740	STRCPY(bstr, "default");	1021	strcpy (bstr, "default");
741	for (i = Color_Black; i <= Color_White; i++)	1022	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1023	if (pix_colors[Color_fg] == pix_colors[i])
		1024	{
743	sprintf(fstr, "%d", (i - Color_Black));	1025	sprintf (fstr, "%d", (i - Color_Black));
744	break;	1026	break;
745	}	1027	}
		1028
746	for (i = Color_Black; i <= Color_White; i++)	1029	for (i = Color_Black; i <= Color_White; i++)
747	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1030	if (pix_colors[Color_bg] == pix_colors[i])
		1031	{
748	sprintf(bstr, "%d", (i - Color_Black));	1032	sprintf (bstr, "%d", (i - Color_Black));
749	#ifdef XPM_BACKGROUND	1033	#ifdef XPM_BACKGROUND
750	xpmb = "default;";	1034	xpmb = "default;";
751	#endif	1035	#endif
752	break;	1036	break;
753	}	1037	}
		1038
754	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1039	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
755	putenv(R->env_colorfgbg);
756
757	#ifndef NO_BRIGHTCOLOR
758	R->colorfgbg = DEFAULT_RSTYLE;
759	for (i = minCOLOR; i <= maxCOLOR; i++) {
760	if (R->PixColors[Color_fg] == R->PixColors[i])
761	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
762	if (R->PixColors[Color_bg] == R->PixColors[i])
763	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
764	}
765	#endif
766	}	1040	}
767		1041
768	/*----------------------------------------------------------------------*/	1042	/*----------------------------------------------------------------------*/
769	/*
770	* Colour determination for low colour displays, routine from
771	* Hans de Goede <hans@highrise.nl>
772	*/
773		1043
774	/* EXTPROTO */
775	int	1044	int
776	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1045	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
777	{	1046	{
778	screen_in_out->set(aR_ colour);
779
780	if (!screen_in_out->set(aR_ colour)) {	1047	if (!screen_in_out->set (display, colour))
781	rxvt_print_error("can't allocate colour: %s", colour);	1048	{
		1049	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
782	return false;	1050	return false;
783	}	1051	}
784		1052
785	return true;	1053	return true;
786	}	1054	}
787		1055
788	/* -------------------------------------------------------------------- *	1056	/* -------------------------------------------------------------------- *
789	* - WINDOW RESIZING - *	1057	* - WINDOW RESIZING - *
790	* -------------------------------------------------------------------- */	1058	* -------------------------------------------------------------------- */
791	/* EXTPROTO */
792	void	1059	void
793	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1060	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
794	int ignoreparent)
795	{	1061	{
796	int fix_screen;	1062	int fix_screen;
		1063	int old_width = szHint.width, old_height = szHint.height;
		1064	dDisp;
797		1065
		1066	window_calc (newwidth, newheight);
		1067	XSetWMNormalHints (disp, parent[0], &szHint);
		1068
		1069	if (!ignoreparent)
		1070	{
798	#ifdef SMART_RESIZE	1071	#ifdef SMART_RESIZE
799	int old_width = R->szHint.width, old_height = R->szHint.height;	1072	/*
800	#endif
801
802	rxvt_window_calc(aR_ width, height);
803	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
804	if (!ignoreparent) {
805	#ifdef SMART_RESIZE
806	/*
807	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1073	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
808	* reposition window on resize depending on placement on screen	1074	* reposition window on resize depending on placement on screen
809	*/	1075	*/
810	int x, y, x1, y1;	1076	int x, y, x1, y1;
811	int dx, dy;	1077	int dx, dy;
812	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1078	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
813	Window unused_cr;	1079	Window unused_cr;
814		1080
815	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1081	XTranslateCoordinates (disp, parent[0], display->root,
816	0, 0, &x, &y, &unused_cr);	1082	0, 0, &x, &y, &unused_cr);
817	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1083	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
818	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1084	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
819	/*	1085	/*
820	* if Xroot isn't the parent window, a WM will probably have offset	1086	* if display->root isn't the parent window, a WM will probably have offset
821	* our position for handles and decorations. Counter it	1087	* our position for handles and decorations. Counter it
822	*/	1088	*/
823	if (x1 != x || y1 != y) {	1089	if (x1 != x || y1 != y)
		1090	{
824	x -= x1;	1091	x -= x1;
825	y -= y1;	1092	y -= y1;
826	}	1093	}
827		1094
828	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1095	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
829	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1096	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
830	dx = old_width - R->szHint.width;	1097	dx = old_width - szHint.width;
831	dy = old_height - R->szHint.height;	1098	dy = old_height - szHint.height;
832		1099
833	/* Check position of the center of the window */	1100	/* Check position of the center of the window */
834	if (x < x1) /* left half */	1101	if (x < x1) /* left half */
835	dx = 0;	1102	dx = 0;
836	else if (x == x1) /* exact center */	1103	else if (x == x1) /* exact center */
837	dx /= 2;	1104	dx /= 2;
838	if (y < y1) /* top half */	1105	if (y < y1) /* top half */
839	dy = 0;	1106	dy = 0;
840	else if (y == y1) /* exact center */	1107	else if (y == y1) /* exact center */
841	dy /= 2;	1108	dy /= 2;
842		1109
843	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1110	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
844	R->szHint.width, R->szHint.height);	1111	szHint.width, szHint.height);
845	#else	1112	#else
846	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1113	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
847	R->szHint.height);
848	#endif	1114	#endif
849	}	1115	}
850		1116
851	fix_screen = (R->TermWin.ncol != R->prev_ncol	1117	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
852	|| R->TermWin.nrow != R->prev_nrow);	1118
853	if (fix_screen || width != R->old_width || height != R->old_height) {	1119	if (fix_screen || newwidth != old_width || newheight != old_height)
854	if (scrollbar_visible(R)) {	1120	{
		1121	if (scrollBar.state)
		1122	{
855	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1123	XMoveResizeWindow (disp, scrollBar.win,
		1124	window_sb_x, 0,
856	0, scrollbar_TotalWidth(), R->szHint.height);	1125	scrollbar_TotalWidth (), szHint.height);
857	rxvt_Resize_scrollBar(aR);	1126	resize_scrollbar ();
858	}	1127	}
859	if (menubar_visible(R))	1128
860	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1129	XMoveResizeWindow (disp, vt,
861	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1130	window_vt_x, window_vt_y,
862	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
863	R->window_vt_y, TermWin_TotalWidth(),
864	TermWin_TotalHeight());	1131	width, height);
865	#ifdef RXVT_GRAPHICS	1132
866	if (R->old_height)
867	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
868	R->old_height - R->szHint.base_height);
869	#endif
870	rxvt_scr_clear(aR);	1133	scr_clear ();
871	#ifdef XPM_BACKGROUND	1134	#ifdef XPM_BACKGROUND
872	rxvt_resize_pixmap(aR);	1135	resize_pixmap ();
873	#endif	1136	#endif
874	}	1137	}
875		1138
876	if (fix_screen || R->old_height == 0) {	1139	if (fix_screen || old_height == 0)
		1140	{
877	int curr_screen = -1;	1141	int curr_screen = -1;
878	uint16_t old_ncol = R->prev_ncol;	1142	int old_ncol = prev_ncol;
879		1143
880	/* scr_reset only works on the primary screen */	1144	/* scr_reset only works on the primary screen */
881	if (R->old_height) /* this is not the first time through */	1145	if (old_height) /* this is not the first time through */
		1146	{
		1147	unsigned int ocol = ncol;
		1148	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
882	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1149	curr_screen = scr_change_screen (PRIMARY);
883	rxvt_scr_reset(aR);	1150	ncol = ocol;
884	if (curr_screen >= 0) { /* this is not the first time through */
885	rxvt_scr_change_screen(aR_ curr_screen);
886	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
887	}	1151	}
888	}
889		1152
		1153	scr_reset ();
		1154
		1155	if (curr_screen >= 0) /* this is not the first time through */
		1156	{
		1157	scr_change_screen (curr_screen);
		1158	selection_check (old_ncol != ncol ? 4 : 0);
		1159	}
		1160	}
		1161
890	R->old_width = R->szHint.width;	1162	old_width = szHint.width;
891	R->old_height = R->szHint.height;	1163	old_height = szHint.height;
		1164
		1165	#ifdef XPM_BACKGROUND
		1166	if (pixmap)
		1167	scr_touch (false);
		1168	#endif
892		1169
893	#ifdef USE_XIM	1170	#ifdef USE_XIM
894	rxvt_IMSetStatusPosition(aR);	1171	IMSetStatusPosition ();
895	#endif	1172	#endif
896	}	1173	}
897		1174
898	/*	1175	/*
899	* Set the width/height of the vt window in characters. Units are pixels.	1176	* Set the width/height of the vt window in characters. Units are pixels.
900	* good for toggling 80/132 columns	1177	* good for toggling 80/132 columns
901	*/	1178	*/
902	/* EXTPROTO */
903	void	1179	void
904	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1180	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
905	{	1181	{
906	XWindowAttributes wattr;	1182	XWindowAttributes wattr;
907		1183
908	if (width == 0 || height == 0) {	1184	if (newwidth == 0 || newheight == 0)
		1185	{
909	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1186	XGetWindowAttributes (display->display, display->root, &wattr);
		1187
910	if (width == 0)	1188	if (newwidth == 0)
911	width = wattr.width - R->szHint.base_width;	1189	newwidth = wattr.width - szHint.base_width;
912	if (height == 0)	1190	if (newheight == 0)
913	height = wattr.height - R->szHint.base_height;	1191	newheight = wattr.height - szHint.base_height;
		1192	}
		1193
		1194	if (newwidth != width || newheight != height)
914	}	1195	{
915	if (width != R->TermWin.width || height != R->TermWin.height) {
916	width += R->szHint.base_width;	1196	newwidth += szHint.base_width;
917	height += R->szHint.base_height;	1197	newheight += szHint.base_height;
918	rxvt_resize_all_windows(aR_ width, height, 0);	1198	resize_all_windows (newwidth, newheight, 0);
919	}	1199	}
920	}	1200	}
921		1201
922	/* -------------------------------------------------------------------- *	1202	/* -------------------------------------------------------------------- *
923	* - X INPUT METHOD ROUTINES - *	1203	* - X INPUT METHOD ROUTINES - *
924	* -------------------------------------------------------------------- */	1204	* -------------------------------------------------------------------- */
925	#ifdef USE_XIM	1205	#ifdef USE_XIM
926	/* INTPROTO */
927	void
928	rxvt_setSize(pR_ XRectangle * size)
929	{
930	size->x = R->TermWin.int_bwidth;
931	size->y = R->TermWin.int_bwidth;
932	size->width = Width2Pixel(R->TermWin.ncol);
933	size->height = Height2Pixel(R->TermWin.nrow);
934	}
935		1206
936	/* INTPROTO */
937	void	1207	void
938	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1208	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
939	{	1209	{
940	*fg = R->PixColors[Color_fg];	1210	fg = pix_colors[Color_fg];
941	*bg = R->PixColors[Color_bg];	1211	bg = pix_colors[Color_bg];
		1212	}
		1213
		1214	void
		1215	rxvt_term::im_set_size (XRectangle &size)
		1216	{
		1217	// the int_bwidth terms make no sense to me
		1218	size.x = int_bwidth;
		1219	size.y = int_bwidth;
		1220	size.width = Width2Pixel (ncol) + int_bwidth;
		1221	size.height = Height2Pixel (nrow) + int_bwidth;
		1222	}
		1223
		1224	void
		1225	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1226	XRectangle &status_rect,
		1227	const XRectangle &needed_rect)
		1228	{
		1229	preedit_rect.x = needed_rect.width;
		1230	preedit_rect.y = 0;
		1231	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1232	preedit_rect.height = fheight;
		1233
		1234	status_rect.x = 0;
		1235	status_rect.y = 0;
		1236	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1237	status_rect.height = fheight;
942	}	1238	}
943		1239
944	/* Checking whether input method is running. */	1240	/* Checking whether input method is running. */
945	/* INTPROTO */
946	Bool	1241	bool
947	rxvt_IMisRunning(pR)	1242	rxvt_term::IMisRunning ()
948	{	1243	{
949	char *p;	1244	char *p;
950	Atom atom;	1245	Atom atom;
951	Window win;	1246	Window win;
952	char server[IMBUFSIZ];	1247	char server[IMBUFSIZ];
953		1248
954	/* get current locale modifier */	1249	/* get current locale modifier */
955	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1250	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1251	{
956	STRCPY(server, "@server=");	1252	strcpy (server, "@server=");
957	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1253	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1254
958	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1255	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
959	*p = '\0';	1256	*p = '\0';
960		1257
961	atom = XInternAtom(R->Xdisplay, server, False);	1258	atom = XInternAtom (display->display, server, False);
962	win = XGetSelectionOwner(R->Xdisplay, atom);	1259	win = XGetSelectionOwner (display->display, atom);
		1260
963	if (win != None)	1261	if (win != None)
964	return True;	1262	return True;
965	}	1263	}
		1264
966	return False;	1265	return False;
967	}	1266	}
968		1267
969	/* EXTPROTO */
970	void	1268	void
971	rxvt_IMSendSpot(pR)	1269	rxvt_term::IMSendSpot ()
972	{	1270	{
973	XPoint spot;	1271	XPoint nspot;
974	XVaNestedList preedit_attr;	1272	XVaNestedList preedit_attr;
975		1273
976	if (R->Input_Context == NULL	1274	if (!Input_Context
		1275	|| !focus
977	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1276	|| !(input_style & XIMPreeditPosition))
978	|| !(R->event_type == KeyPress
979	|| R->event_type == Expose
980	|| R->event_type == NoExpose
981	|| R->event_type == SelectionNotify
982	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
983	|| !rxvt_IMisRunning(aR))
984	return;	1277	return;
985		1278
986	rxvt_setPosition(aR_ & spot);	1279	im_set_position (nspot);
987		1280
		1281	if (nspot.x == spot.x && nspot.y == spot.y)
		1282	return;
		1283
		1284	spot = nspot;
		1285
988	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1286	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
989	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1287	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
990	XFree(preedit_attr);	1288	XFree (preedit_attr);
991	}	1289	}
992		1290
993	/* EXTPROTO */
994	void	1291	void
995	rxvt_setTermFontSet(pR_ int idx)	1292	rxvt_term::im_destroy ()
996	{	1293	{
997	char *string;	1294	if (input_method)
998	long length;
999	int success = 0;
1000
1001	if (idx < 0 || idx >= MAX_NFONTS)
1002	return;
1003	}
1004
1005	/* INTPROTO */
1006	void
1007	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1008	XRectangle * needed_rect)
1009	{
1010	int mbh, vtx = 0;
1011
1012	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1013	vtx = scrollbar_TotalWidth();
1014	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1015	mbh -= R->TermWin.lineSpace;
1016
1017	preedit_rect->x = needed_rect->width + vtx;
1018	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1019
1020	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1021	+ vtx;
1022	preedit_rect->height = Height2Pixel(1);
1023
1024	status_rect->x = vtx;
1025	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1026
1027	status_rect->width = needed_rect->width ? needed_rect->width
1028	: Width2Pixel(R->TermWin.ncol + 1);
1029	status_rect->height = Height2Pixel(1);
1030	}
1031
1032	/* ARGSUSED */
1033	/* INTPROTO */
1034	void
1035	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1036	__attribute__ ((unused)), XPointer call_data
1037	__attribute__ ((unused)))
1038	{
1039	dR;
1040
1041	R->Input_Context = NULL;
1042	/* To avoid Segmentation Fault in C locale: Solaris only? */
1043	if (STRCMP(R->locale, "C"))
1044	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1045	rxvt_IMInstantiateCallback, NULL);
1046	}
1047
1048	/*
1049	* X manual pages and include files don't match on some systems:
1050	* some think this is an XIDProc and others an XIMProc so we can't
1051	* use the first argument - need to update this to be nice for
1052	* both types via some sort of configure detection
1053	*/
1054	/* ARGSUSED */
1055	/* EXTPROTO */
1056	void
1057	rxvt_IMInstantiateCallback(Display * unused
1058	__attribute__ ((unused)), XPointer client_data
1059	__attribute__ ((unused)), XPointer call_data
1060	__attribute__ ((unused)))
1061	{
1062	dR;
1063	int i, found, had_im;
1064	const char *p;
1065	char **s;
1066	char buf[IMBUFSIZ];
1067
1068	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1069	if (R->Input_Context)
1070	return;
1071
1072	found = had_im = 0;
1073	p = R->rs[Rs_inputMethod];
1074	if (p && *p) {
1075	had_im = 1;
1076	s = rxvt_splitcommastring(p);
1077	for (i = 0; s[i]; i++) {
1078	if (*s[i]) {
1079	STRCPY(buf, "@im=");
1080	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1081	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1082	&& (rxvt_IM_get_IC(aR) == True)) {
1083	found = 1;
1084	break;
1085	}
1086	}
1087	}
1088	for (i = 0; s[i]; i++)
1089	free(s[i]);
1090	free(s);
1091	}	1295	{
1092	if (found)	1296	if (Input_Context && input_method->xim)
1093	return;	1297	XDestroyIC (Input_Context);
1094		1298
1095	/* try with XMODIFIERS env. var. */	1299	display->put_xim (input_method);
1096	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1300	input_method = 0;
1097	rxvt_IM_get_IC(aR);
1098	return;
1099	}	1301	}
1100		1302
1101	/* try with no modifiers base IF the user didn't specify an IM */	1303	Input_Context = 0;
1102	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1103	&& rxvt_IM_get_IC(aR) == True)
1104	return;
1105	}	1304	}
1106		1305
1107	/*	1306	/*
1108	* Try to open a XIM with the current modifiers, then see if we can	1307	* Try to open a XIM with the current modifiers, then see if we can
1109	* open a suitable preedit type	1308	* open a suitable preedit type
1110	*/	1309	*/
1111	/* INTPROTO */
1112	Bool	1310	bool
1113	rxvt_IM_get_IC(pR)	1311	rxvt_term::IM_get_IC (const char *modifiers)
1114	{	1312	{
1115	int i, j, found;	1313	int i, j, found;
1116	XIM xim;	1314	XIM xim;
1117	XPoint spot;	1315	XPoint spot;
1118	XRectangle rect, status_rect, needed_rect;	1316	XRectangle rect, status_rect, needed_rect;
1119	unsigned long fg, bg;	1317	unsigned long fg, bg;
1120	const char *p;	1318	const char *p;
1121	char **s;	1319	char **s;
1122	XIMStyles *xim_styles;	1320	XIMStyles *xim_styles;
1123	XVaNestedList preedit_attr, status_attr;
1124	XIMCallback ximcallback;
1125		1321
		1322	set_environ (envv);
		1323
		1324	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1325	return false;
		1326
1126	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1327	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1127	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1328	input_method = display->get_xim (locale, modifiers);
1128	if (xim == NULL)	1329	if (input_method == NULL)
1129	return False;	1330	return false;
1130		1331
		1332	xim = input_method->xim;
		1333	spot.x = spot.y = -1;
		1334
1131	xim_styles = NULL;	1335	xim_styles = NULL;
1132	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1336	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1133	|| !xim_styles || !xim_styles->count_styles) {	1337	|| !xim_styles || !xim_styles->count_styles)
1134	XCloseIM(xim);	1338	{
		1339	im_destroy ();
1135	return False;	1340	return false;
		1341	}
		1342
		1343	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1344
		1345	for (int pi = 0; pi < 2; pi++)
1136	}	1346	{
		1347	p = pet[pi];
1137		1348
1138	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1349	if (!p)
1139	: "OverTheSpot,OffTheSpot,Root";	1350	continue;
		1351
1140	s = rxvt_splitcommastring(p);	1352	s = rxvt_splitcommastring (p);
		1353
1141	for (i = found = 0; !found && s[i]; i++) {	1354	for (i = found = 0; !found && s[i]; i++)
		1355	{
1142	if (!STRCMP(s[i], "OverTheSpot"))	1356	if (!strcmp (s[i], "OverTheSpot"))
1143	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1357	input_style = (XIMPreeditPosition | XIMStatusNothing);
1144	else if (!STRCMP(s[i], "OffTheSpot"))	1358	else if (!strcmp (s[i], "OffTheSpot"))
1145	R->input_style = (XIMPreeditArea | XIMStatusArea);	1359	input_style = (XIMPreeditArea | XIMStatusArea);
1146	else if (!STRCMP(s[i], "Root"))	1360	else if (!strcmp (s[i], "Root"))
1147	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1361	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1362	else if (!strcmp (s[i], "None"))
		1363	input_style = (XIMPreeditNone | XIMStatusNone);
1148		1364
1149	for (j = 0; j < xim_styles->count_styles; j++)	1365	for (j = 0; j < xim_styles->count_styles; j++)
1150	if (R->input_style == xim_styles->supported_styles[j]) {	1366	if (input_style == xim_styles->supported_styles[j])
		1367	{
		1368	rxvt_freecommastring (s);
		1369
1151	found = 1;	1370	found = 1;
		1371	goto foundpet;
		1372	}
		1373
		1374	}
		1375
		1376	rxvt_freecommastring (s);
		1377	}
		1378
		1379	foundpet:
		1380
		1381	XFree (xim_styles);
		1382
		1383	if (!found)
		1384	{
		1385	im_destroy ();
		1386	return false;
		1387	}
		1388
		1389	XFontSet fs = 0;
		1390	XVaNestedList preedit_attr = 0, status_attr = 0;
		1391
		1392	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1393	{
		1394	// fake us a font-set, please
		1395	char **missing_charset_list;
		1396	int missing_charset_count;
		1397	char *def_string;
		1398	char pat[512];
		1399
		1400	sprintf (pat,
		1401	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1402	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1403	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1404	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1405	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1406	"*",
		1407	fheight,
		1408	fheight + 1, fheight - 1,
		1409	fheight - 2, fheight + 2);
		1410
		1411	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1412	&missing_charset_list, &missing_charset_count, &def_string);
		1413
		1414	if (missing_charset_list)
		1415	XFreeStringList (missing_charset_list);
		1416
		1417	if (!fs)
		1418	{
		1419	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1420	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1421	}
		1422	}
		1423
		1424	if (input_style & XIMPreeditPosition)
		1425	{
		1426	im_set_size (rect);
		1427	im_set_position (spot);
		1428	im_set_color (fg, bg);
		1429
		1430	preedit_attr = XVaCreateNestedList (0,
		1431	XNForeground, fg,
		1432	XNBackground, bg,
		1433	XNArea, &rect,
		1434	XNSpotLocation, &spot,
		1435	XNFontSet, fs,
		1436	NULL);
		1437	}
		1438	else if (input_style & XIMPreeditArea)
		1439	{
		1440	im_set_color (fg, bg);
		1441
		1442	/*
		1443	* The necessary width of preedit area is unknown
		1444	* until create input context.
		1445	*/
		1446	needed_rect.width = 0;
		1447	im_set_preedit_area (rect, status_rect, needed_rect);
		1448
		1449	preedit_attr = XVaCreateNestedList (0,
		1450	XNForeground, fg,
		1451	XNBackground, bg,
		1452	XNArea, &rect,
		1453	XNFontSet, fs,
		1454	NULL);
		1455	status_attr = XVaCreateNestedList (0,
		1456	XNForeground, fg,
		1457	XNBackground, bg,
		1458	XNArea, &status_rect,
		1459	XNFontSet, fs,
		1460	NULL);
		1461	}
		1462
		1463	Input_Context = XCreateIC (xim,
		1464	XNInputStyle, input_style,
		1465	XNClientWindow, vt,
		1466	XNFocusWindow, parent[0],
		1467	preedit_attr ? XNPreeditAttributes : NULL,
		1468	preedit_attr,
		1469	status_attr ? XNStatusAttributes : NULL,
		1470	status_attr, NULL);
		1471
		1472	if (preedit_attr) XFree (preedit_attr);
		1473	if (status_attr) XFree (status_attr);
		1474	if (fs) XFreeFontSet (display->display, fs);
		1475
		1476	if (Input_Context == NULL)
		1477	{
		1478	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1479	im_destroy ();
		1480	return false;
		1481	}
		1482
		1483	if (input_style & XIMPreeditArea)
		1484	IMSetStatusPosition ();
		1485
		1486	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1487	return true;
		1488	}
		1489
		1490	void
		1491	rxvt_term::im_cb ()
		1492	{
		1493	int i;
		1494	const char *p;
		1495	char **s;
		1496	char buf[IMBUFSIZ];
		1497
		1498	make_current ();
		1499
		1500	im_destroy ();
		1501
		1502	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1503	if (Input_Context)
		1504	return;
		1505
		1506	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1507	if (rs[Rs_imLocale])
		1508	SET_LOCALE (rs[Rs_imLocale]);
		1509	#endif
		1510
		1511	p = rs[Rs_inputMethod];
		1512	if (p && *p)
		1513	{
		1514	bool found = false;
		1515
		1516	s = rxvt_splitcommastring (p);
		1517
		1518	for (i = 0; s[i]; i++)
		1519	{
		1520	if (*s[i])
		1521	{
		1522	strcpy (buf, "@im=");
		1523	strncat (buf, s[i], IMBUFSIZ - 5);
		1524	if (IM_get_IC (buf))
		1525	{
		1526	found = true;
1152	break;	1527	break;
		1528	}
1153	}	1529	}
1154	}	1530	}
1155	for (i = 0; s[i]; i++)
1156	free(s[i]);
1157	free(s);
1158	XFree(xim_styles);
1159		1531
		1532	rxvt_freecommastring (s);
		1533
1160	if (!found) {	1534	if (found)
1161	XCloseIM(xim);	1535	goto done;
1162	return False;
1163	}	1536	}
1164		1537
1165	ximcallback.callback = rxvt_IMDestroyCallback;	1538	/* try with XMODIFIERS env. var. */
		1539	if (IM_get_IC (""))
		1540	goto done;
1166		1541
1167	/* XXX: not sure why we need this (as well as IC one below) */	1542	/* try with no modifiers base IF the user didn't specify an IM */
1168	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1543	if (IM_get_IC ("@im=none"))
		1544	goto done;
1169		1545
1170	preedit_attr = status_attr = NULL;	1546	done:
1171		1547	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1172	if (R->input_style & XIMPreeditPosition) {	1548	if (rs[Rs_imLocale])
1173	rxvt_setSize(aR_ & rect);	1549	SET_LOCALE (locale);
1174	rxvt_setPosition(aR_ & spot);	1550	#endif
1175	rxvt_setColor(aR_ & fg, &bg);
1176
1177	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1178	XNSpotLocation, &spot,
1179	XNForeground, fg, XNBackground, bg,
1180	//XNFontSet, R->TermWin.fontset,
1181	NULL);
1182	} else if (R->input_style & XIMPreeditArea) {
1183	rxvt_setColor(aR_ & fg, &bg);
1184
1185	/*
1186	* The necessary width of preedit area is unknown
1187	* until create input context.
1188	*/
1189	needed_rect.width = 0;
1190
1191	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1192
1193	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1194	XNForeground, fg, XNBackground, bg,
1195	//XNFontSet, R->TermWin.fontset,
1196	NULL);
1197	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1198	XNForeground, fg, XNBackground, bg,
1199	//XNFontSet, R->TermWin.fontset,
1200	NULL);
1201	}
1202	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1203	XNClientWindow, R->TermWin.parent[0],
1204	XNFocusWindow, R->TermWin.parent[0],
1205	XNDestroyCallback, &ximcallback,
1206	preedit_attr ? XNPreeditAttributes : NULL,
1207	preedit_attr,
1208	status_attr ? XNStatusAttributes : NULL,
1209	status_attr, NULL);
1210	if (preedit_attr)
1211	XFree(preedit_attr);
1212	if (status_attr)
1213	XFree(status_attr);
1214	if (R->Input_Context == NULL) {
1215	rxvt_print_error("failed to create input context");
1216	XCloseIM(xim);
1217	return False;
1218	}
1219	if (R->input_style & XIMPreeditArea)
1220	rxvt_IMSetStatusPosition(aR);
1221	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1222	return True;
1223	}	1551	}
1224		1552
1225	/* EXTPROTO */
1226	void	1553	void
1227	rxvt_IMSetStatusPosition(pR)	1554	rxvt_term::IMSetStatusPosition ()
1228	{	1555	{
1229	XRectangle preedit_rect, status_rect, *needed_rect;	1556	XRectangle preedit_rect, status_rect, *needed_rect;
1230	XVaNestedList preedit_attr, status_attr;	1557	XVaNestedList preedit_attr, status_attr;
1231		1558
1232	if (R->Input_Context == NULL	1559	if (!Input_Context
		1560	|| !focus
1233	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1561	|| !(input_style & XIMPreeditArea)
1234	|| !rxvt_IMisRunning(aR))	1562	|| !IMisRunning ())
1235	return;	1563	return;
1236		1564
1237	/* Getting the necessary width of preedit area */	1565	/* Getting the necessary width of preedit area */
1238	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1566	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1239	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1567	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1240	XFree(status_attr);	1568	XFree (status_attr);
1241		1569
1242	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1570	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1571	XFree (needed_rect);
1243		1572
1244	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1573	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1245	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1574	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1246		1575
1247	XSetICValues(R->Input_Context,	1576	XSetICValues (Input_Context,
1248	XNPreeditAttributes, preedit_attr,	1577	XNPreeditAttributes, preedit_attr,
1249	XNStatusAttributes, status_attr, NULL);	1578	XNStatusAttributes, status_attr, NULL);
1250		1579
1251	XFree(preedit_attr);	1580	XFree (preedit_attr);
1252	XFree(status_attr);	1581	XFree (status_attr);
1253	}	1582	}
1254	#endif /* USE_XIM */	1583	#endif /* USE_XIM */
1255		1584
1256	/*----------------------------------------------------------------------*/
1257	rxvt_t rxvt_current_term;
1258
1259	/*----------------------- end-of-file (C source) -----------------------*/	1585	/*----------------------- end-of-file (C source) -----------------------*/

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