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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 1.189 by root, Thu Jan 19 09:47:15 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	static char curlocale[128], savelocale[128];
		54
		55	bool
		56	rxvt_set_locale (const char *locale)
		57	{
		58	if (!locale || !strncmp (locale, curlocale, 128))
		59	return false;
		60
		61	strncpy (curlocale, locale, 128);
		62	setlocale (LC_CTYPE, curlocale);
		63	return true;
		64	}
		65
47	void *	66	void
48	rxvt_term::operator new (size_t s)	67	rxvt_push_locale (const char *locale)
49	{	68	{
50	void *p = malloc (s);	69	strcpy (savelocale, curlocale);
		70	rxvt_set_locale (locale);
		71	}
51		72
52	MEMSET (p, 0, s);	73	void
		74	rxvt_pop_locale ()
		75	{
		76	rxvt_set_locale (savelocale);
		77	}
		78
		79	#if ENABLE_COMBINING
		80	class rxvt_composite_vec rxvt_composite;
		81
		82	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		83	{
		84	compose_char *cc;
		85
		86	// break compose chains, as stupid readline really likes to duplicate
		87	// composing characters for some reason near the end of a line.
		88	cc = (*this)[c1];
		89	while (cc)
		90	{
		91	if (cc->c2 == c2) return c1;
		92	cc = (*this)[cc->c1];
		93	}
		94
		95	// check to see wether this combination already exists otherwise
		96	for (cc = v.end (); cc-- > v.begin (); )
		97	{
		98	if (cc->c1 == c1 && cc->c2 == c2)
		99	return COMPOSE_LO + (cc - v.begin ());
		100	}
		101
		102	// allocate a new combination
		103	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		104	{
		105	static int seen;
		106
		107	if (!seen++)
		108	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		109
		110	return REPLACEMENT_CHAR;
		111	}
		112
		113	v.push_back (compose_char (c1, c2));
		114
		115	return v.size () - 1 + COMPOSE_LO;
		116	}
		117
		118	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		119	{
		120	compose_char *cc = (*this)[c];
		121
		122	if (!cc)
		123	{
		124	if (r) *r = c;
		125	return 1;
		126	}
		127
		128	int len = expand (cc->c1, r);
		129
		130	if (r) r += len;
		131
		132	if (cc->c2 != NOCHAR)
		133	{
		134	len++;
		135	if (r) *r++ = cc->c2;
		136	}
		137
53	return p;	138	return len;
54	}
55		139
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	140	}
		141	#endif
61		142
62	rxvt_term::rxvt_term ()	143	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	144	:
		145	#if TRANSPARENT
		146	rootwin_ev (this, &rxvt_term::rootwin_cb),
		147	#endif
		148	#ifdef HAVE_SCROLLBARS
		149	scrollbar_ev (this, &rxvt_term::x_cb),
		150	#endif
64	#ifdef CURSOR_BLINK	151	#ifdef CURSOR_BLINK
		152	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		153	#endif
		154	#ifdef TEXT_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	155	text_blink_ev (this, &rxvt_term::text_blink_cb),
		156	#endif
		157	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		158	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		159	#endif
		160	#ifdef SELECTION_SCROLLING
		161	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		162	#endif
		163	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		164	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
66	#endif	165	#endif
67	#ifdef POINTER_BLANK	166	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	167	pointer_ev (this, &rxvt_term::pointer_cb),
69	#endif	168	#endif
		169	#ifdef USE_XIM
		170	im_ev (this, &rxvt_term::im_cb),
		171	#endif
		172	termwin_ev (this, &rxvt_term::x_cb),
70	x_ev (this, &rxvt_term::x_cb)	173	vt_ev (this, &rxvt_term::x_cb),
		174	child_ev (this, &rxvt_term::child_cb),
		175	check_ev (this, &rxvt_term::check_cb),
		176	flush_ev (this, &rxvt_term::flush_cb),
		177	destroy_ev (this, &rxvt_term::destroy_cb),
		178	pty_ev (this, &rxvt_term::pty_cb),
		179	incr_ev (this, &rxvt_term::incr_cb)
71	{	180	{
72	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	181	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		182
		183	termlist.push_back (this);
		184
		185	#ifdef KEYSYM_RESOURCE
		186	keyboard = new keyboard_manager;
		187
		188	if (!keyboard)
		189	rxvt_fatal ("out of memory, aborting.\n");
		190	#endif
		191	}
		192
		193	// clean up the most important stuff, do *not* call x or free mem etc.
		194	// for use before an emergency exit
		195	void rxvt_term::emergency_cleanup ()
		196	{
		197	if (cmd_pid)
		198	kill (-cmd_pid, SIGHUP);
		199
		200	delete pty; pty = 0;
73	}	201	}
74		202
75	rxvt_term::~rxvt_term ()	203	rxvt_term::~rxvt_term ()
76	{	204	{
77	delete PixColors;	205	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
78	}
79		206
80	/*----------------------------------------------------------------------*/	207	termlist.erase (find (termlist.begin (), termlist.end(), this));
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		208
89	if (!R->init_vars () || !R->init (argc, argv))	209	emergency_cleanup ();
90	{	210
91	delete R;	211	#if ENABLE_STYLES
92	return NULL;	212	for (int i = RS_styleCount; --i; )
		213	if (fontset[i] != fontset[0])
		214	delete fontset[i];
		215	#endif
		216	delete fontset[0];
		217
		218	if (display)
93	}	219	{
		220	dDisp;
94		221
		222	selection_clear ();
		223
		224	#ifdef USE_XIM
		225	im_destroy ();
		226	#endif
		227	#ifdef XTERM_SCROLLBAR
		228	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		229	if (ShadowGC) XFreeGC (disp, ShadowGC);
		230	#endif
		231	#ifdef PLAIN_SCROLLBAR
		232	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		233	#endif
		234	#ifdef NEXT_SCROLLBAR
		235	if (blackGC) XFreeGC (disp, blackGC);
		236	if (whiteGC) XFreeGC (disp, whiteGC);
		237	if (grayGC) XFreeGC (disp, grayGC);
		238	if (darkGC) XFreeGC (disp, darkGC);
		239	if (stippleGC) XFreeGC (disp, stippleGC);
		240	if (dimple) XFreePixmap (disp, dimple);
		241	if (upArrow) XFreePixmap (disp, upArrow);
		242	if (downArrow) XFreePixmap (disp, downArrow);
		243	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		244	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		245	#endif
		246	#ifdef RXVT_SCROLLBAR
		247	if (topShadowGC) XFreeGC (disp, topShadowGC);
		248	if (botShadowGC) XFreeGC (disp, botShadowGC);
		249	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		250	#endif
		251	if (gc) XFreeGC (disp, gc);
		252
		253	delete drawable;
		254	// destroy all windows
		255	if (parent[0])
		256	XDestroyWindow (disp, parent[0]);
		257	}
		258
		259	// TODO: free pixcolours, colours should become part of rxvt_display
		260	delete pix_colors_focused;
		261	#if OFF_FOCUS_FADING
		262	delete pix_colors_unfocused;
		263	#endif
		264
		265	displays.put (display);
		266
		267	scr_release ();
		268
		269	/* clear all resources */
		270	for (int i = 0; i < allocated.size (); i++)
		271	free (allocated [i]);
		272
		273	free (selection.text);
		274	// TODO: manage env vars in child only(!)
		275	free (env_windowid);
		276	free (env_display);
		277	free (env_term);
		278	free (env_colorfgbg);
		279	free (locale);
		280	free (v_buffer);
		281	free (incr_buf);
		282
		283	delete envv;
		284	delete argv;
		285
		286	#ifdef KEYSYM_RESOURCE
		287	delete keyboard;
		288	#endif
		289	}
		290
		291	// child has exited, usually destroys
		292	void
		293	rxvt_term::child_cb (child_watcher &w, int status)
		294	{
		295	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		296
		297	cmd_pid = 0;
		298
		299	if (!OPTION (Opt_hold))
		300	destroy ();
		301	}
		302
		303	void
		304	rxvt_term::destroy ()
		305	{
		306	if (destroy_ev.active)
95	return R;	307	return;
96	}
97		308
98	bool	309	#if ENABLE_OVERLAY
99	rxvt_term::init (int argc, const char *const *argv)	310	scr_overlay_off ();
100	{
101	dR;//TODO (scrollbar, setidle)
102
103	/*
104	* Save and then give up any super-user privileges
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	311	#endif
		312
		313	if (display)
		314	{
		315	#if USE_XIM
		316	im_ev.stop (display);
		317	#endif
120	#ifdef HAVE_SCROLLBARS	318	#if HAVE_SCROLLBARS
121	if (Options & Opt_scrollBar)	319	scrollbar_ev.stop (display);
122	scrollbar_setIdle (); /* set existence for size calculations */
123	#endif	320	#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	321	#if TRANSPARENT
152	if (Options & Opt_transparent)	322	rootwin_ev.stop (display);
		323	#endif
		324	incr_ev.stop ();
		325	termwin_ev.stop (display);
		326	vt_ev.stop (display);
153	{	327	}
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		328
161	rxvt_init_env (this);	329	check_ev.stop ();
162	rxvt_init_command (this, cmd_argv);	330	pty_ev.stop ();
163		331	#ifdef CURSOR_BLINK
164	x_ev.start (Xfd, EVENT_READ);	332	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	333	#endif
208	rxvt_clean_exit();	334	#ifdef TEXT_BLINK
209	kill(getpid(), sig);	335	text_blink_ev.stop ();
210	}	336	#endif
		337	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		338	cont_scroll_ev.stop ();
		339	#endif
		340	#ifdef SELECTION_SCROLLING
		341	sel_scroll_ev.stop ();
		342	#endif
		343	#ifdef POINTER_BLANK
		344	pointer_ev.stop ();
		345	#endif
211		346
212	/* ARGSUSED */	347	destroy_ev.start (0);
213	/* INTPROTO */	348	}
214	int
215	rxvt_xerror_handler(const Display * display
216	__attribute__ ((unused)), const XErrorEvent * event)
217	{
218	dR;
219		349
220	if (R->allowedxerror == -1) {	350	void
221	R->allowedxerror = event->error_code;	351	rxvt_term::destroy_cb (time_watcher &w)
222	return 0; /* ignored anyway */	352	{
223	}	353	make_current ();
224	rxvt_print_error("XError: Request: %d . %d, Error: %d",	354
225	event->request_code, event->minor_code,	355	delete this;
226	event->error_code);
227	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
228	exit(EXIT_FAILURE);
229	/* NOTREACHED */
230	}	356	}
231		357
232	/*----------------------------------------------------------------------*/	358	/*----------------------------------------------------------------------*/
233	/*	359	/*
234	* Exit gracefully, clearing the utmp entry and restoring tty attributes	360	* Exit gracefully, clearing the utmp entry and restoring tty attributes
235	* TODO: if debugging, this should free up any known resources if we can	361	* TODO: if debugging, this should free up any known resources if we can
236	*/	362	*/
237	/* EXTPROTO */	363	static XErrorHandler old_xerror_handler;
238	void
239	rxvt_clean_exit(void)
240	{
241	dR;
242		364
243	#ifdef DEBUG_SCREEN	365	static void
244	rxvt_scr_release(aR);	366	rxvt_emergency_cleanup ()
		367	{
		368	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		369	(*t)->emergency_cleanup ();
		370	}
		371
		372	#if ENABLE_FRILLS
		373	static void
		374	print_x_error (Display *dpy, XErrorEvent *event)
		375	{
		376	char buffer[BUFSIZ];
		377	char mesg[BUFSIZ];
		378	char number[32];
		379	char *mtype = "XlibMessage";
		380	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		381	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		382	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		383	rxvt_warn ("%s: %s\n", mesg, buffer);
		384	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		385	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		386	sprintf(number, "%d", event->request_code);
		387	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		388	rxvt_warn ("(which is %s)\n", buffer);
		389	if (event->request_code >= 128) {
		390	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		391	mesg, BUFSIZ);
		392	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		393	}
		394	if ((event->error_code == BadWindow) ||
		395	(event->error_code == BadPixmap) ||
		396	(event->error_code == BadCursor) ||
		397	(event->error_code == BadFont) ||
		398	(event->error_code == BadDrawable) ||
		399	(event->error_code == BadColor) ||
		400	(event->error_code == BadGC) ||
		401	(event->error_code == BadIDChoice) ||
		402	(event->error_code == BadValue) ||
		403	(event->error_code == BadAtom)) {
		404	if (event->error_code == BadValue)
		405	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		406	mesg, BUFSIZ);
		407	else if (event->error_code == BadAtom)
		408	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		409	mesg, BUFSIZ);
		410	else
		411	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		412	mesg, BUFSIZ);
		413	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		414	}
		415	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		416	mesg, BUFSIZ);
		417	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		418	}
245	#endif	419	#endif
246	#ifndef NO_SETOWNER_TTYDEV	420
247	rxvt_privileged_ttydev(aR_ RESTORE);	421	int
248	#endif	422	rxvt_xerror_handler (Display *display, XErrorEvent *event)
249	#ifdef UTMP_SUPPORT	423	{
250	rxvt_privileged_utmp(aR_ RESTORE);	424	if (GET_R->allowedxerror == -1)
251	#endif	425	GET_R->allowedxerror = event->error_code;
252	#ifdef USE_XIM	426	else
253	if (R->Input_Context != NULL) {
254	XDestroyIC(R->Input_Context);
255	R->Input_Context = NULL;
256	}	427	{
		428	// GET_R is most likely not the terminal which caused the error,
		429	// so just output the error and continue
		430	#if ENABLE_FRILLS
		431	print_x_error (display, event);
		432	#else
		433	old_xerror_handler (display, event);
257	#endif	434	#endif
		435	}
		436
		437	return 0;
		438	}
		439
		440	int
		441	rxvt_xioerror_handler (Display *display)
		442	{
		443	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		444	DisplayString (display));
		445	rxvt_emergency_cleanup ();
		446	_exit (EXIT_FAILURE);
		447	}
		448
		449	/*----------------------------------------------------------------------*/
		450	bool
		451	rxvt_term::init (int argc, const char *const *argv)
		452	{
		453	SET_R (this);
		454	set_locale ("");
		455	set_environ (envv); // few things in X do not call setlocale :(
		456
		457	if (!init_vars ())
		458	return false;
		459
		460	init_secondary ();
		461
		462	const char **cmd_argv = init_resources (argc, argv);
		463
		464	#ifdef KEYSYM_RESOURCE
		465	keyboard->register_done ();
		466	#endif
		467
		468	#ifdef HAVE_SCROLLBARS
		469	if (OPTION (Opt_scrollBar))
		470	scrollBar.setIdle (); /* set existence for size calculations */
		471	#endif
		472
		473	#if ENABLE_PERL
		474	if (!rs[Rs_perl_ext_1])
		475	rs[Rs_perl_ext_1] = "default";
		476
		477	if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
		478	|| (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
		479	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		480	{
		481	rxvt_perl.init (this);
		482	HOOK_INVOKE ((this, HOOK_INIT, DT_END));
		483	}
		484	#endif
		485
		486	pty = rxvt_new_ptytty ();
		487
		488	create_windows (argc, argv);
		489
		490	dDisp;
		491
		492	init_xlocale ();
		493
		494	scr_reset (); // initialize screen
		495
		496	#if 0
		497	XSynchronize (disp, True);
		498	#endif
		499
		500	#ifdef HAVE_SCROLLBARS
		501	if (OPTION (Opt_scrollBar))
		502	resize_scrollbar (); /* create and map scrollbar */
		503	#endif
		504	#ifdef TRANSPARENT
		505	if (OPTION (Opt_transparent))
		506	{
		507	XSelectInput (disp, display->root, PropertyChangeMask);
		508	check_our_parents ();
		509	rootwin_ev.start (display, display->root);
		510	}
		511	#endif
		512
		513	XMapWindow (disp, vt);
		514	XMapWindow (disp, parent[0]);
		515
		516	set_colorfgbg ();
		517
		518	init_command (cmd_argv);
		519
		520	free (cmd_argv);
		521
		522	if (pty->pty >= 0)
		523	pty_ev.start (pty->pty, EVENT_READ);
		524
		525	check_ev.start ();
		526
		527	HOOK_INVOKE ((this, HOOK_START, DT_END));
		528
		529	return true;
		530	}
		531
		532	static struct sig_handlers
		533	{
		534	sig_watcher sw_term, sw_int;
		535
		536	/*
		537	* Catch a fatal signal and tidy up before quitting
		538	*/
		539	void
		540	sig_term (sig_watcher &w)
		541	{
		542	#ifdef DEBUG_CMD
		543	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		544	#endif
		545	rxvt_emergency_cleanup ();
		546	signal (w.signum, SIG_DFL);
		547	kill (getpid (), w.signum);
		548	}
		549
		550	sig_handlers ()
		551	: sw_term (this, &sig_handlers::sig_term),
		552	sw_int (this, &sig_handlers::sig_term)
		553	{
		554	}
		555	} sig_handlers;
		556
		557	char **rxvt_environ; // startup environment
		558
		559	void
		560	rxvt_init ()
		561	{
		562	uid_t uid = getuid ();
		563	gid_t gid = getgid ();
		564
		565	// before doing anything else, check for setuid/setgid operation,
		566	// start the helper process and drop privileges
		567	if (uid != geteuid ()
		568	|| gid != getegid ())
		569	{
		570	#if PTYTTY_HELPER
		571	rxvt_ptytty_server ();
		572	#else
		573	rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
		574	#endif
		575
		576	// drop privileges
		577	#if HAVE_SETRESUID
		578	setresgid (gid, gid, gid);
		579	setresuid (uid, uid, uid);
		580	#elif HAVE_SETREUID
		581	setregid (gid, gid);
		582	setreuid (uid, uid);
		583	#elif HAVE_SETUID
		584	setgid (gid);
		585	setuid (uid);
		586	#endif
		587
		588	if (uid != geteuid ()
		589	|| gid != getegid ())
		590	rxvt_fatal ("unable to drop privileges, aborting.\n");
		591	}
		592
		593	rxvt_environ = environ;
		594
		595	signal (SIGHUP, SIG_IGN);
		596	signal (SIGPIPE, SIG_IGN);
		597
		598	sig_handlers.sw_term.start (SIGTERM);
		599	sig_handlers.sw_int.start (SIGINT);
		600
		601	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		602	/* signal (SIGURG, SIG_DFL); */
		603
		604	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		605	// TODO: handle this with exceptions and tolerate the memory loss
		606	XSetIOErrorHandler (rxvt_xioerror_handler);
		607
		608	XrmInitialize ();
258	}	609	}
259		610
260	/* ------------------------------------------------------------------------- *	611	/* ------------------------------------------------------------------------- *
261	* MEMORY ALLOCATION WRAPPERS *	612	* MEMORY ALLOCATION WRAPPERS *
262	* ------------------------------------------------------------------------- */	613	* ------------------------------------------------------------------------- */
263	/* EXTPROTO */	614	void *
		615	rxvt_malloc (size_t size)
		616	{
		617	void *p = malloc (size);
		618
		619	if (!p)
		620	rxvt_fatal ("memory allocation failure. aborting.\n");
		621
		622	return p;
		623	}
		624
		625	void *
		626	rxvt_calloc (size_t number, size_t size)
		627	{
		628	void *p = calloc (number, size);
		629
		630	if (!p)
		631	rxvt_fatal ("memory allocation failure. aborting.\n");
		632
		633	return p;
		634	}
		635
264	void *	636	void *
265	rxvt_malloc(size_t size)
266	{
267	void *p;
268
269	p = malloc(size);
270	if (p)
271	return p;
272
273	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
274	rxvt_clean_exit();
275	exit(EXIT_FAILURE);
276	/* NOTREACHED */
277	}
278
279	/* EXTPROTO */
280	void *
281	rxvt_calloc(size_t number, size_t size)
282	{
283	void *p;
284
285	p = calloc(number, size);
286	if (p)
287	return p;
288
289	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
290	rxvt_clean_exit();
291	exit(EXIT_FAILURE);
292	/* NOTREACHED */
293	}
294
295	/* EXTPROTO */
296	void *
297	rxvt_realloc(void *ptr, size_t size)	637	rxvt_realloc (void *ptr, size_t size)
298	{	638	{
299	void *p;
300
301	if (ptr)
302	p = realloc(ptr, size);	639	void *p = realloc (ptr, size);
303	else	640
304	p = malloc(size);
305	if (p)	641	if (!p)
		642	rxvt_fatal ("memory allocation failure. aborting.\n");
		643
306	return p;	644	return p;
307
308	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
309	rxvt_clean_exit();
310	exit(EXIT_FAILURE);
311	/* NOTREACHED */
312	}	645	}
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		646
441	/*----------------------------------------------------------------------*/	647	/*----------------------------------------------------------------------*/
442	/*	648	/*
443	* window size/position calculcations for XSizeHint and other storage.	649	* window size/position calculcations for XSizeHint and other storage.
444	* if width/height are non-zero then override calculated width/height	650	* if width/height are non-zero then override calculated width/height
445	*/	651	*/
446	/* EXTPROTO */
447	void	652	void
448	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	653	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
449	{	654	{
450	short recalc_x, recalc_y;	655	short recalc_x, recalc_y;
451	int x, y, sb_w, mb_h, flags;	656	int x, y, sb_w, flags;
452	unsigned int w, h;	657	unsigned int w, h;
453	unsigned int max_width, max_height;	658	unsigned int max_width, max_height;
		659	dDisp;
454		660
455	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	661	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
456	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	662	ncol, nrow, szHint.width, szHint.height));
457	R->szHint.height));	663
458	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	664	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
459	R->szHint.win_gravity = NorthWestGravity;	665	szHint.win_gravity = NorthWestGravity;
460	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	666	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
461		667
462	recalc_x = recalc_y = 0;	668	recalc_x = recalc_y = 0;
463	flags = 0;	669	flags = 0;
		670
464	if (!R->parsed_geometry) {	671	if (!parsed_geometry)
		672	{
465	R->parsed_geometry = 1;	673	parsed_geometry = 1;
		674
466	if (R->rs[Rs_geometry])	675	if (rs[Rs_geometry])
467	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	676	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		677
468	if (flags & WidthValue) {	678	if (flags & WidthValue)
469	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	679	{
		680	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
470	R->szHint.flags |= USSize;	681	szHint.flags |= USSize;
471	}	682	}
		683
472	if (flags & HeightValue) {	684	if (flags & HeightValue)
473	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	685	{
		686	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
474	R->szHint.flags |= USSize;	687	szHint.flags |= USSize;
475	}	688	}
		689
476	if (flags & XValue) {	690	if (flags & XValue)
		691	{
477	R->szHint.x = x;	692	szHint.x = x;
478	R->szHint.flags |= USPosition;	693	szHint.flags |= USPosition;
		694
479	if (flags & XNegative) {	695	if (flags & XNegative)
		696	{
480	recalc_x = 1;	697	recalc_x = 1;
481	R->szHint.win_gravity = NorthEastGravity;	698	szHint.win_gravity = NorthEastGravity;
482	}	699	}
483	}	700	}
		701
484	if (flags & YValue) {	702	if (flags & YValue)
		703	{
485	R->szHint.y = y;	704	szHint.y = y;
486	R->szHint.flags |= USPosition;	705	szHint.flags |= USPosition;
		706
487	if (flags & YNegative) {	707	if (flags & YNegative)
		708	{
488	recalc_y = 1;	709	recalc_y = 1;
		710
489	if (R->szHint.win_gravity == NorthEastGravity)	711	if (szHint.win_gravity == NorthEastGravity)
490	R->szHint.win_gravity = SouthEastGravity;	712	szHint.win_gravity = SouthEastGravity;
491	else	713	else
492	R->szHint.win_gravity = SouthWestGravity;	714	szHint.win_gravity = SouthWestGravity;
493	}	715	}
494	}	716	}
495	}	717	}
		718
496	/* TODO: BOUNDS */	719	/* TODO: BOUNDS */
497	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	720	width = ncol * fwidth;
498	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	721	height = nrow * fheight;
499	max_width = MAX_COLS * R->TermWin.fwidth;	722	max_width = MAX_COLS * fwidth;
500	max_height = MAX_ROWS * R->TermWin.fheight;	723	max_height = MAX_ROWS * fheight;
501		724
502	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	725	szHint.base_width = szHint.base_height = 2 * int_bwidth;
503		726
504	sb_w = mb_h = 0;	727	sb_w = 0;
505	R->window_vt_x = R->window_vt_y = 0;	728	window_vt_x = window_vt_y = int_bwidth;
506	if (scrollbar_visible(R)) {	729
		730	if (scrollBar.state)
		731	{
507	sb_w = scrollbar_TotalWidth();	732	sb_w = scrollbar_TotalWidth ();
508	R->szHint.base_width += sb_w;	733	szHint.base_width += sb_w;
509	if (!(R->Options & Opt_scrollBar_right))	734	if (!OPTION (Opt_scrollBar_right))
510	R->window_vt_x = sb_w;	735	window_vt_x += sb_w;
511	}	736	}
512	if (menubar_visible(R)) {	737
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;	738	szHint.width_inc = fwidth;
518	R->szHint.height_inc = R->TermWin.fheight;	739	szHint.height_inc = fheight;
519	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	740	szHint.min_width = szHint.base_width + szHint.width_inc;
520	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	741	szHint.min_height = szHint.base_height + szHint.height_inc;
521		742
522	if (width && width - R->szHint.base_width < max_width) {	743	if (newwidth && newwidth - szHint.base_width < max_width)
		744	{
523	R->szHint.width = width;	745	szHint.width = newwidth;
524	R->TermWin.width = width - R->szHint.base_width;	746	width = newwidth - szHint.base_width;
525	} else {	747	}
526	MIN_IT(R->TermWin.width, max_width);	748	else
		749	{
		750	min_it (width, max_width);
527	R->szHint.width = R->szHint.base_width + R->TermWin.width;	751	szHint.width = szHint.base_width + width;
528	}	752	}
		753
529	if (height && height - R->szHint.base_height < max_height) {	754	if (newheight && newheight - szHint.base_height < max_height)
		755	{
530	R->szHint.height = height;	756	szHint.height = newheight;
531	R->TermWin.height = height - R->szHint.base_height;	757	height = newheight - szHint.base_height;
532	} else {	758	}
533	MIN_IT(R->TermWin.height, max_height);	759	else
		760	{
		761	min_it (height, max_height);
534	R->szHint.height = R->szHint.base_height + R->TermWin.height;	762	szHint.height = szHint.base_height + height;
535	}	763	}
536	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	764
		765	if (scrollBar.state && OPTION (Opt_scrollBar_right))
537	R->window_sb_x = R->szHint.width - sb_w;	766	window_sb_x = szHint.width - sb_w;
538		767
539	if (recalc_x)	768	if (recalc_x)
540	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	769	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
541	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
542	if (recalc_y)	770	if (recalc_y)
543	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	771	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
544	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
545		772
546	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	773	ncol = width / fwidth;
547	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	774	nrow = height / fheight;
548	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	775	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
549	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	776	ncol, nrow, szHint.width,
550	R->szHint.height));	777	szHint.height));
551	return;	778	return;
552	}	779	}
553		780
554	/*----------------------------------------------------------------------*/	781	/*----------------------------------------------------------------------*/
555	/*	782	/*
556	* Tell the teletype handler what size the window is.	783	* Tell the teletype handler what size the window is.
557	* Called after a window size change.	784	* Called after a window size change.
558	*/	785	*/
559	/* EXTPROTO */
560	void	786	void
561	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	787	rxvt_term::tt_winch ()
562	{	788	{
		789	if (pty->pty < 0)
		790	return;
		791
563	struct winsize ws;	792	struct winsize ws;
564		793
565	if (fd < 0)
566	return;
567	ws.ws_col = col;	794	ws.ws_col = ncol;
568	ws.ws_row = row;	795	ws.ws_row = nrow;
569	ws.ws_xpixel = ws.ws_ypixel = 0;	796	ws.ws_xpixel = width;
570	#ifndef DEBUG_SIZE	797	ws.ws_ypixel = height;
571	(void)ioctl(fd, TIOCSWINSZ, &ws);	798	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
572	#else	799
573	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	800	#if 0
574	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	801	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
575	}
576	# ifdef SIGWINCH
577	else if (pid) /* force through to the command */	802	if (cmd_pid) /* force through to the command */
578	kill(pid, SIGWINCH);	803	kill (-cmd_pid, SIGWINCH);
579	# endif
580	#endif	804	#endif
581	}	805	}
582		806
583	/*----------------------------------------------------------------------*/	807	/*----------------------------------------------------------------------*/
584	/* rxvt_change_font() - Switch to a new font */	808	/* set_fonts () - load and set the various fonts
585	/*	809	*
586	* init = 1 - initialize	810	* init = 1 - initialize
587	*	811	*
588	* fontname == FONT_UP - switch to bigger font	812	* fontname == FONT_UP - switch to bigger font
589	* fontname == FONT_DN - switch to smaller font	813	* fontname == FONT_DN - switch to smaller font
590	*/	814	*/
591	/* EXTPROTO */	815	bool
592	void	816	rxvt_term::set_fonts ()
593	rxvt_change_font(pR_ int init, const char *fontname)
594	{	817	{
595	}	818	rxvt_fontset *fs = new rxvt_fontset (this);
		819	rxvt_fontprop prop;
596		820
597	/* INTPROTO */	821	if (!fs
598	void	822	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
599	rxvt_font_up_down(pR_ int n, int direction)	823	|| !fs->realize_font (1))
		824	{
		825	delete fs;
		826	return false;
		827	}
		828
		829	#if ENABLE_STYLES
		830	for (int i = RS_styleCount; --i; )
		831	if (fontset[i] != fontset[0])
		832	delete fontset[i];
		833	#endif
		834
		835	delete fontset[0];
		836	fontset[0] = fs;
		837
		838	prop = (*fs)[1]->properties ();
		839	prop.height += lineSpace;
		840	fs->set_prop (prop);
		841
		842	fwidth = prop.width;
		843	fheight = prop.height;
		844	fbase = prop.ascent;
		845
		846	for (int style = 1; style < 4; style++)
		847	{
		848	#if ENABLE_STYLES
		849	const char *res = rs[Rs_font + style];
		850
		851	if (res && !*res)
		852	fontset[style] = fontset[0];
		853	else
		854	{
		855	fontset[style] = fs = new rxvt_fontset (this);
		856	rxvt_fontprop prop2 = prop;
		857
		858	if (res)
		859	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		860	else
		861	{
		862	res = fontset[0]->fontdesc;
		863
		864	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		865	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		866	}
		867
		868	fs->populate (res);
		869	fs->set_prop (prop2);
		870	}
		871	#else
		872	fontset[style] = fontset[0];
		873	#endif
		874	}
		875
		876	if (parent[0])
		877	{
		878	resize_all_windows (0, 0, 0);
		879	scr_remap_chars ();
		880	scr_touch (true);
		881	}
		882
		883	return true;
		884	}
		885
		886	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
600	{	887	{
		888	XChangeProperty (display->display, parent[0],
		889	prop, XA_STRING, 8, PropModeReplace,
		890	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		891	}
		892
		893	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		894	{
		895	wchar_t *ws = rxvt_mbstowcs (str, len);
		896	char *s = rxvt_wcstoutf8 (ws);
		897
		898	XChangeProperty (display->display, parent[0],
		899	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		900	(const unsigned char *)s, strlen (s));
		901
		902	free (s);
		903	free (ws);
601	}	904	}
602		905
603	/*----------------------------------------------------------------------*/	906	/*----------------------------------------------------------------------*/
604	/*----------------------------------------------------------------------*/	907	/*----------------------------------------------------------------------*/
605	/* xterm sequences - title, iconName, color (exptl) */	908	/* xterm sequences - title, iconName, color (exptl) */
606	/* EXTPROTO */
607	void	909	void
608	rxvt_set_title(pR_ const char *str)	910	rxvt_term::set_title (const char *str)
609	{	911	{
610	#ifndef SMART_WINDOW_TITLE	912	set_string_property (XA_WM_NAME, str);
611	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	913	#if ENABLE_EWMH
		914	set_utf8_property (xa[XA_NET_WM_NAME], str);
		915	#endif
		916	}
		917
		918	void
		919	rxvt_term::set_icon_name (const char *str)
		920	{
		921	set_string_property (XA_WM_ICON_NAME, str);
		922	#if ENABLE_EWMH
		923	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		924	#endif
		925	}
		926
		927	#ifdef XTERM_COLOR_CHANGE
		928	void
		929	rxvt_term::set_window_color (int idx, const char *color)
		930	{
		931	rxvt_color xcol;
		932	int i;
		933
		934	if (color == NULL || *color == '\0')
		935	return;
		936
		937	/* handle color aliases */
		938	if (isdigit (*color))
		939	{
		940	i = atoi (color);
		941
		942	if (i >= 8 && i <= 15)
		943	{ /* bright colors */
		944	i -= 8;
		945	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		946	SET_PIXCOLOR (idx);
		947	goto done;
		948	}
		949
		950	if (i >= 0 && i <= 7)
		951	{ /* normal colors */
		952	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		953	SET_PIXCOLOR (idx);
		954	goto done;
		955	}
		956	}
		957
		958	if (!rXParseAllocColor (&xcol, color))
		959	return;
		960
		961	/* XStoreColor (display->display, display->cmap, XColor*); */
		962
		963	/*
		964	* FIXME: should free colors here, but no idea how to do it so instead,
		965	* so just keep gobbling up the colormap
		966	*/
		967	# if 0
		968	for (i = Color_Black; i <= Color_White; i++)
		969	if (pix_colors[idx] == pix_colors[i])
		970	break;
		971	if (i > Color_White)
		972	{
		973	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		974	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		975	DisplayPlanes (display->display, display->screen));
		976	}
		977	# endif
		978
		979	pix_colors_focused[idx] = xcol;
		980	SET_PIXCOLOR (idx);
		981
		982	/* XSetWindowAttributes attr; */
		983	/* Cursor cursor; */
		984	done:
		985
		986	#if OFF_FOCUS_FADING
		987	if (rs[Rs_fade])
		988	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		989	#endif
		990
		991	/*TODO: handle Color_BD, scrollbar background, etc. */
		992
		993	recolour_cursor ();
		994	scr_recolour ();
		995	}
		996
612	#else	997	#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)	998	# define set_window_color (idx,color) ((void)0)
709	#endif /* XTERM_COLOR_CHANGE */	999	#endif /* XTERM_COLOR_CHANGE */
710		1000
711	/* EXTPROTO */
712	void	1001	void
713	rxvt_recolour_cursor(pR)	1002	rxvt_term::recolour_cursor ()
714	{	1003	{
715	rxvt_color xcol[2];	1004	XColor xcol[2];
716		1005
717	#if TODO	1006	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
718	xcol[0] = R->PixColors[Color_pointer];	1007	? pix_colors_focused[Color_pointer_fg]
719	xcol[1] = R->PixColors[Color_bg];	1008	: pix_colors_focused[Color_fg];
720	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1009	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1010	? pix_colors_focused[Color_pointer_bg]
		1011	: pix_colors_focused[Color_bg];
		1012
		1013	XQueryColors (display->display, display->cmap, xcol, 2);
721	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1014	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
722	#endif
723	}	1015	}
724		1016
725	/*----------------------------------------------------------------------*/	1017	/*----------------------------------------------------------------------*/
726	/*	1018	/*
727	* find if fg/bg matches any of the normal (low-intensity) colors	1019	* find if fg/bg matches any of the normal (low-intensity) colors
728	*/	1020	*/
729	/* INTPROTO */
730	void	1021	void
731	rxvt_set_colorfgbg(pR)	1022	rxvt_term::set_colorfgbg ()
732	{	1023	{
733	unsigned int i;	1024	unsigned int i;
734	const char *xpmb = "\0";	1025	const char *xpmb = "\0";
735	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1026	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
736		1027
737	R->env_colorfgbg =
738	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1028	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
739	STRCPY(fstr, "default");	1029	strcpy (fstr, "default");
740	STRCPY(bstr, "default");	1030	strcpy (bstr, "default");
741	for (i = Color_Black; i <= Color_White; i++)	1031	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1032	if (pix_colors[Color_fg] == pix_colors[i])
		1033	{
743	sprintf(fstr, "%d", (i - Color_Black));	1034	sprintf (fstr, "%d", (i - Color_Black));
744	break;	1035	break;
745	}	1036	}
		1037
746	for (i = Color_Black; i <= Color_White; i++)	1038	for (i = Color_Black; i <= Color_White; i++)
747	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1039	if (pix_colors[Color_bg] == pix_colors[i])
		1040	{
748	sprintf(bstr, "%d", (i - Color_Black));	1041	sprintf (bstr, "%d", (i - Color_Black));
749	#ifdef XPM_BACKGROUND	1042	#ifdef XPM_BACKGROUND
750	xpmb = "default;";	1043	xpmb = "default;";
751	#endif	1044	#endif
752	break;	1045	break;
753	}	1046	}
		1047
754	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1048	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	}	1049	}
767		1050
768	/*----------------------------------------------------------------------*/	1051	/*----------------------------------------------------------------------*/
769	/*
770	* Colour determination for low colour displays, routine from
771	* Hans de Goede <hans@highrise.nl>
772	*/
773		1052
774	/* EXTPROTO */
775	int	1053	int
776	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1054	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
777	{	1055	{
778	screen_in_out->set(aR_ colour);
779
780	if (!screen_in_out->set(aR_ colour)) {	1056	if (!screen_in_out->set (display, colour))
781	rxvt_print_error("can't allocate colour: %s", colour);	1057	{
		1058	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
782	return false;	1059	return false;
783	}	1060	}
784		1061
785	return true;	1062	return true;
786	}	1063	}
787		1064
788	/* -------------------------------------------------------------------- *	1065	/* -------------------------------------------------------------------- *
789	* - WINDOW RESIZING - *	1066	* - WINDOW RESIZING - *
790	* -------------------------------------------------------------------- */	1067	* -------------------------------------------------------------------- */
791	/* EXTPROTO */
792	void	1068	void
793	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1069	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
794	int ignoreparent)
795	{	1070	{
796	int fix_screen;	1071	int fix_screen;
		1072	int old_width = szHint.width, old_height = szHint.height;
		1073	dDisp;
797		1074
		1075	window_calc (newwidth, newheight);
		1076	XSetWMNormalHints (disp, parent[0], &szHint);
		1077
		1078	if (!ignoreparent)
		1079	{
798	#ifdef SMART_RESIZE	1080	#ifdef SMART_RESIZE
799	int old_width = R->szHint.width, old_height = R->szHint.height;	1081	/*
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>	1082	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
808	* reposition window on resize depending on placement on screen	1083	* reposition window on resize depending on placement on screen
809	*/	1084	*/
810	int x, y, x1, y1;	1085	int x, y, x1, y1;
811	int dx, dy;	1086	int dx, dy;
812	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1087	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
813	Window unused_cr;	1088	Window unused_cr;
814		1089
815	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1090	XTranslateCoordinates (disp, parent[0], display->root,
816	0, 0, &x, &y, &unused_cr);	1091	0, 0, &x, &y, &unused_cr);
817	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1092	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
818	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1093	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
819	/*	1094	/*
820	* if Xroot isn't the parent window, a WM will probably have offset	1095	* if display->root isn't the parent window, a WM will probably have offset
821	* our position for handles and decorations. Counter it	1096	* our position for handles and decorations. Counter it
822	*/	1097	*/
823	if (x1 != x || y1 != y) {	1098	if (x1 != x || y1 != y)
		1099	{
824	x -= x1;	1100	x -= x1;
825	y -= y1;	1101	y -= y1;
826	}	1102	}
827		1103
828	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1104	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
829	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1105	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
830	dx = old_width - R->szHint.width;	1106	dx = old_width - szHint.width;
831	dy = old_height - R->szHint.height;	1107	dy = old_height - szHint.height;
832		1108
833	/* Check position of the center of the window */	1109	/* Check position of the center of the window */
834	if (x < x1) /* left half */	1110	if (x < x1) /* left half */
835	dx = 0;	1111	dx = 0;
836	else if (x == x1) /* exact center */	1112	else if (x == x1) /* exact center */
837	dx /= 2;	1113	dx /= 2;
838	if (y < y1) /* top half */	1114	if (y < y1) /* top half */
839	dy = 0;	1115	dy = 0;
840	else if (y == y1) /* exact center */	1116	else if (y == y1) /* exact center */
841	dy /= 2;	1117	dy /= 2;
842		1118
843	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1119	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
844	R->szHint.width, R->szHint.height);	1120	szHint.width, szHint.height);
845	#else	1121	#else
846	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1122	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
847	R->szHint.height);
848	#endif	1123	#endif
849	}	1124	}
850		1125
851	fix_screen = (R->TermWin.ncol != R->prev_ncol	1126	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
852	|| R->TermWin.nrow != R->prev_nrow);	1127
853	if (fix_screen || width != R->old_width || height != R->old_height) {	1128	if (fix_screen || newwidth != old_width || newheight != old_height)
854	if (scrollbar_visible(R)) {	1129	{
		1130	if (scrollBar.state)
		1131	{
855	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1132	XMoveResizeWindow (disp, scrollBar.win,
		1133	window_sb_x, 0,
856	0, scrollbar_TotalWidth(), R->szHint.height);	1134	scrollbar_TotalWidth (), szHint.height);
857	rxvt_Resize_scrollBar(aR);	1135	resize_scrollbar ();
858	}	1136	}
859	if (menubar_visible(R))	1137
860	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1138	XMoveResizeWindow (disp, vt,
861	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1139	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());	1140	width, height);
865	#ifdef RXVT_GRAPHICS	1141
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);	1142	scr_clear ();
871	#ifdef XPM_BACKGROUND	1143	#ifdef XPM_BACKGROUND
872	rxvt_resize_pixmap(aR);	1144	resize_pixmap ();
873	#endif	1145	#endif
874	}	1146	}
875		1147
876	if (fix_screen || R->old_height == 0) {	1148	if (fix_screen || old_height == 0)
		1149	{
877	int curr_screen = -1;	1150	int curr_screen = -1;
878	uint16_t old_ncol = R->prev_ncol;	1151	int old_ncol = prev_ncol;
879		1152
880	/* scr_reset only works on the primary screen */	1153	/* scr_reset only works on the primary screen */
881	if (R->old_height) /* this is not the first time through */	1154	if (old_height) /* this is not the first time through */
		1155	{
		1156	unsigned int ocol = ncol;
		1157	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
882	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1158	curr_screen = scr_change_screen (PRIMARY);
883	rxvt_scr_reset(aR);	1159	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	}	1160	}
888	}
889		1161
		1162	scr_reset ();
		1163
		1164	if (curr_screen >= 0) /* this is not the first time through */
		1165	{
		1166	scr_change_screen (curr_screen);
		1167	selection_check (old_ncol != ncol ? 4 : 0);
		1168	}
		1169	}
		1170
890	R->old_width = R->szHint.width;	1171	old_width = szHint.width;
891	R->old_height = R->szHint.height;	1172	old_height = szHint.height;
		1173
		1174	#ifdef XPM_BACKGROUND
		1175	if (pixmap)
		1176	scr_touch (false);
		1177	#endif
892		1178
893	#ifdef USE_XIM	1179	#ifdef USE_XIM
894	rxvt_IMSetStatusPosition(aR);	1180	IMSetStatusPosition ();
895	#endif	1181	#endif
896	}	1182	}
897		1183
898	/*	1184	/*
899	* Set the width/height of the vt window in characters. Units are pixels.	1185	* Set the width/height of the vt window in characters. Units are pixels.
900	* good for toggling 80/132 columns	1186	* good for toggling 80/132 columns
901	*/	1187	*/
902	/* EXTPROTO */
903	void	1188	void
904	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1189	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
905	{	1190	{
906	XWindowAttributes wattr;	1191	XWindowAttributes wattr;
907		1192
908	if (width == 0 || height == 0) {	1193	if (newwidth == 0 || newheight == 0)
		1194	{
909	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1195	XGetWindowAttributes (display->display, display->root, &wattr);
		1196
910	if (width == 0)	1197	if (newwidth == 0)
911	width = wattr.width - R->szHint.base_width;	1198	newwidth = wattr.width - szHint.base_width;
912	if (height == 0)	1199	if (newheight == 0)
913	height = wattr.height - R->szHint.base_height;	1200	newheight = wattr.height - szHint.base_height;
		1201	}
		1202
		1203	if (newwidth != width || newheight != height)
914	}	1204	{
915	if (width != R->TermWin.width || height != R->TermWin.height) {
916	width += R->szHint.base_width;	1205	newwidth += szHint.base_width;
917	height += R->szHint.base_height;	1206	newheight += szHint.base_height;
918	rxvt_resize_all_windows(aR_ width, height, 0);	1207	resize_all_windows (newwidth, newheight, 0);
919	}	1208	}
920	}	1209	}
921		1210
922	/* -------------------------------------------------------------------- *	1211	/* -------------------------------------------------------------------- *
923	* - X INPUT METHOD ROUTINES - *	1212	* - X INPUT METHOD ROUTINES - *
924	* -------------------------------------------------------------------- */	1213	* -------------------------------------------------------------------- */
925	#ifdef USE_XIM	1214	#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		1215
936	/* INTPROTO */
937	void	1216	void
938	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1217	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
939	{	1218	{
940	*fg = R->PixColors[Color_fg];	1219	fg = pix_colors[Color_fg];
941	*bg = R->PixColors[Color_bg];	1220	bg = pix_colors[Color_bg];
		1221	}
		1222
		1223	void
		1224	rxvt_term::im_set_size (XRectangle &size)
		1225	{
		1226	// the int_bwidth terms make no sense to me
		1227	size.x = int_bwidth;
		1228	size.y = int_bwidth;
		1229	size.width = Width2Pixel (ncol) + int_bwidth;
		1230	size.height = Height2Pixel (nrow) + int_bwidth;
		1231	}
		1232
		1233	void
		1234	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1235	XRectangle &status_rect,
		1236	const XRectangle &needed_rect)
		1237	{
		1238	preedit_rect.x = needed_rect.width;
		1239	preedit_rect.y = 0;
		1240	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1241	preedit_rect.height = fheight;
		1242
		1243	status_rect.x = 0;
		1244	status_rect.y = 0;
		1245	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1246	status_rect.height = fheight;
942	}	1247	}
943		1248
944	/* Checking whether input method is running. */	1249	/* Checking whether input method is running. */
945	/* INTPROTO */
946	Bool	1250	bool
947	rxvt_IMisRunning(pR)	1251	rxvt_term::IMisRunning ()
948	{	1252	{
949	char *p;	1253	char *p;
950	Atom atom;	1254	Atom atom;
951	Window win;	1255	Window win;
952	char server[IMBUFSIZ];	1256	char server[IMBUFSIZ];
953		1257
954	/* get current locale modifier */	1258	/* get current locale modifier */
955	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1259	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1260	{
956	STRCPY(server, "@server=");	1261	strcpy (server, "@server=");
957	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1262	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1263
958	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1264	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
959	*p = '\0';	1265	*p = '\0';
960		1266
961	atom = XInternAtom(R->Xdisplay, server, False);	1267	atom = XInternAtom (display->display, server, False);
962	win = XGetSelectionOwner(R->Xdisplay, atom);	1268	win = XGetSelectionOwner (display->display, atom);
		1269
963	if (win != None)	1270	if (win != None)
964	return True;	1271	return True;
965	}	1272	}
		1273
966	return False;	1274	return False;
967	}	1275	}
968		1276
969	/* EXTPROTO */
970	void	1277	void
971	rxvt_IMSendSpot(pR)	1278	rxvt_term::IMSendSpot ()
972	{	1279	{
973	XPoint spot;	1280	XPoint nspot;
974	XVaNestedList preedit_attr;	1281	XVaNestedList preedit_attr;
975		1282
976	if (R->Input_Context == NULL	1283	if (!Input_Context
		1284	|| !focus
977	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1285	|| !(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;	1286	return;
985		1287
986	rxvt_setPosition(aR_ & spot);	1288	im_set_position (nspot);
987		1289
		1290	if (nspot.x == spot.x && nspot.y == spot.y)
		1291	return;
		1292
		1293	spot = nspot;
		1294
988	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1295	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
989	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1296	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
990	XFree(preedit_attr);	1297	XFree (preedit_attr);
991	}	1298	}
992		1299
993	/* EXTPROTO */
994	void	1300	void
995	rxvt_setTermFontSet(pR_ int idx)	1301	rxvt_term::im_destroy ()
996	{	1302	{
997	char *string;	1303	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	}	1304	{
1092	if (found)	1305	if (Input_Context && input_method->xim)
1093	return;	1306	XDestroyIC (Input_Context);
1094		1307
1095	/* try with XMODIFIERS env. var. */	1308	display->put_xim (input_method);
1096	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1309	input_method = 0;
1097	rxvt_IM_get_IC(aR);
1098	return;
1099	}	1310	}
1100		1311
1101	/* try with no modifiers base IF the user didn't specify an IM */	1312	Input_Context = 0;
1102	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1103	&& rxvt_IM_get_IC(aR) == True)
1104	return;
1105	}	1313	}
1106		1314
1107	/*	1315	/*
1108	* Try to open a XIM with the current modifiers, then see if we can	1316	* Try to open a XIM with the current modifiers, then see if we can
1109	* open a suitable preedit type	1317	* open a suitable preedit type
1110	*/	1318	*/
1111	/* INTPROTO */
1112	Bool	1319	bool
1113	rxvt_IM_get_IC(pR)	1320	rxvt_term::IM_get_IC (const char *modifiers)
1114	{	1321	{
1115	int i, j, found;	1322	int i, j, found;
1116	XIM xim;	1323	XIM xim;
1117	XPoint spot;	1324	XPoint spot;
1118	XRectangle rect, status_rect, needed_rect;	1325	XRectangle rect, status_rect, needed_rect;
1119	unsigned long fg, bg;	1326	unsigned long fg, bg;
1120	const char *p;	1327	const char *p;
1121	char **s;	1328	char **s;
1122	XIMStyles *xim_styles;	1329	XIMStyles *xim_styles;
1123	XVaNestedList preedit_attr, status_attr;
1124	XIMCallback ximcallback;
1125		1330
		1331	set_environ (envv);
		1332
		1333	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1334	return false;
		1335
1126	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1336	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1127	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1337	input_method = display->get_xim (locale, modifiers);
1128	if (xim == NULL)	1338	if (input_method == NULL)
1129	return False;	1339	return false;
1130		1340
		1341	xim = input_method->xim;
		1342	spot.x = spot.y = -1;
		1343
1131	xim_styles = NULL;	1344	xim_styles = NULL;
1132	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1345	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1133	|| !xim_styles || !xim_styles->count_styles) {	1346	|| !xim_styles || !xim_styles->count_styles)
1134	XCloseIM(xim);	1347	{
		1348	im_destroy ();
1135	return False;	1349	return false;
		1350	}
		1351
		1352	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1353
		1354	for (int pi = 0; pi < 2; pi++)
1136	}	1355	{
		1356	p = pet[pi];
1137		1357
1138	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1358	if (!p)
1139	: "OverTheSpot,OffTheSpot,Root";	1359	continue;
		1360
1140	s = rxvt_splitcommastring(p);	1361	s = rxvt_splitcommastring (p);
		1362
1141	for (i = found = 0; !found && s[i]; i++) {	1363	for (i = found = 0; !found && s[i]; i++)
		1364	{
1142	if (!STRCMP(s[i], "OverTheSpot"))	1365	if (!strcmp (s[i], "OverTheSpot"))
1143	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1366	input_style = (XIMPreeditPosition | XIMStatusNothing);
1144	else if (!STRCMP(s[i], "OffTheSpot"))	1367	else if (!strcmp (s[i], "OffTheSpot"))
1145	R->input_style = (XIMPreeditArea | XIMStatusArea);	1368	input_style = (XIMPreeditArea | XIMStatusArea);
1146	else if (!STRCMP(s[i], "Root"))	1369	else if (!strcmp (s[i], "Root"))
1147	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1370	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1371	else if (!strcmp (s[i], "None"))
		1372	input_style = (XIMPreeditNone | XIMStatusNone);
1148		1373
1149	for (j = 0; j < xim_styles->count_styles; j++)	1374	for (j = 0; j < xim_styles->count_styles; j++)
1150	if (R->input_style == xim_styles->supported_styles[j]) {	1375	if (input_style == xim_styles->supported_styles[j])
		1376	{
		1377	rxvt_freecommastring (s);
		1378
1151	found = 1;	1379	found = 1;
		1380	goto foundpet;
		1381	}
		1382
		1383	}
		1384
		1385	rxvt_freecommastring (s);
		1386	}
		1387
		1388	foundpet:
		1389
		1390	XFree (xim_styles);
		1391
		1392	if (!found)
		1393	{
		1394	im_destroy ();
		1395	return false;
		1396	}
		1397
		1398	XFontSet fs = 0;
		1399	XVaNestedList preedit_attr = 0, status_attr = 0;
		1400
		1401	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1402	{
		1403	// fake us a font-set, please
		1404	char **missing_charset_list;
		1405	int missing_charset_count;
		1406	char *def_string;
		1407	char pat[512];
		1408
		1409	sprintf (pat,
		1410	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1411	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1412	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1413	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1414	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1415	"*",
		1416	fheight,
		1417	fheight + 1, fheight - 1,
		1418	fheight - 2, fheight + 2);
		1419
		1420	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1421	&missing_charset_list, &missing_charset_count, &def_string);
		1422
		1423	if (missing_charset_list)
		1424	XFreeStringList (missing_charset_list);
		1425
		1426	if (!fs)
		1427	{
		1428	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1429	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1430	}
		1431	}
		1432
		1433	if (input_style & XIMPreeditPosition)
		1434	{
		1435	im_set_size (rect);
		1436	im_set_position (spot);
		1437	im_set_color (fg, bg);
		1438
		1439	preedit_attr = XVaCreateNestedList (0,
		1440	XNForeground, fg,
		1441	XNBackground, bg,
		1442	XNArea, &rect,
		1443	XNSpotLocation, &spot,
		1444	XNFontSet, fs,
		1445	NULL);
		1446	}
		1447	else if (input_style & XIMPreeditArea)
		1448	{
		1449	im_set_color (fg, bg);
		1450
		1451	/*
		1452	* The necessary width of preedit area is unknown
		1453	* until create input context.
		1454	*/
		1455	needed_rect.width = 0;
		1456	im_set_preedit_area (rect, status_rect, needed_rect);
		1457
		1458	preedit_attr = XVaCreateNestedList (0,
		1459	XNForeground, fg,
		1460	XNBackground, bg,
		1461	XNArea, &rect,
		1462	XNFontSet, fs,
		1463	NULL);
		1464	status_attr = XVaCreateNestedList (0,
		1465	XNForeground, fg,
		1466	XNBackground, bg,
		1467	XNArea, &status_rect,
		1468	XNFontSet, fs,
		1469	NULL);
		1470	}
		1471
		1472	Input_Context = XCreateIC (xim,
		1473	XNInputStyle, input_style,
		1474	XNClientWindow, vt,
		1475	XNFocusWindow, parent[0],
		1476	preedit_attr ? XNPreeditAttributes : NULL,
		1477	preedit_attr,
		1478	status_attr ? XNStatusAttributes : NULL,
		1479	status_attr, NULL);
		1480
		1481	if (preedit_attr) XFree (preedit_attr);
		1482	if (status_attr) XFree (status_attr);
		1483	if (fs) XFreeFontSet (display->display, fs);
		1484
		1485	if (Input_Context == NULL)
		1486	{
		1487	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1488	im_destroy ();
		1489	return false;
		1490	}
		1491
		1492	if (input_style & XIMPreeditArea)
		1493	IMSetStatusPosition ();
		1494
		1495	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1496	return true;
		1497	}
		1498
		1499	void
		1500	rxvt_term::im_cb ()
		1501	{
		1502	int i;
		1503	const char *p;
		1504	char **s;
		1505	char buf[IMBUFSIZ];
		1506
		1507	make_current ();
		1508
		1509	im_destroy ();
		1510
		1511	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1512	if (Input_Context)
		1513	return;
		1514
		1515	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1516	if (rs[Rs_imLocale])
		1517	SET_LOCALE (rs[Rs_imLocale]);
		1518	#endif
		1519
		1520	p = rs[Rs_inputMethod];
		1521	if (p && *p)
		1522	{
		1523	bool found = false;
		1524
		1525	s = rxvt_splitcommastring (p);
		1526
		1527	for (i = 0; s[i]; i++)
		1528	{
		1529	if (*s[i])
		1530	{
		1531	strcpy (buf, "@im=");
		1532	strncat (buf, s[i], IMBUFSIZ - 5);
		1533	if (IM_get_IC (buf))
		1534	{
		1535	found = true;
1152	break;	1536	break;
		1537	}
1153	}	1538	}
1154	}	1539	}
1155	for (i = 0; s[i]; i++)
1156	free(s[i]);
1157	free(s);
1158	XFree(xim_styles);
1159		1540
		1541	rxvt_freecommastring (s);
		1542
1160	if (!found) {	1543	if (found)
1161	XCloseIM(xim);	1544	goto done;
1162	return False;
1163	}	1545	}
1164		1546
1165	ximcallback.callback = rxvt_IMDestroyCallback;	1547	/* try with XMODIFIERS env. var. */
		1548	if (IM_get_IC (""))
		1549	goto done;
1166		1550
1167	/* XXX: not sure why we need this (as well as IC one below) */	1551	/* try with no modifiers base IF the user didn't specify an IM */
1168	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1552	if (IM_get_IC ("@im=none"))
		1553	goto done;
1169		1554
1170	preedit_attr = status_attr = NULL;	1555	done:
1171		1556	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1172	if (R->input_style & XIMPreeditPosition) {	1557	if (rs[Rs_imLocale])
1173	rxvt_setSize(aR_ & rect);	1558	SET_LOCALE (locale);
1174	rxvt_setPosition(aR_ & spot);	1559	#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	}	1560	}
1224		1561
1225	/* EXTPROTO */
1226	void	1562	void
1227	rxvt_IMSetStatusPosition(pR)	1563	rxvt_term::IMSetStatusPosition ()
1228	{	1564	{
1229	XRectangle preedit_rect, status_rect, *needed_rect;	1565	XRectangle preedit_rect, status_rect, *needed_rect;
1230	XVaNestedList preedit_attr, status_attr;	1566	XVaNestedList preedit_attr, status_attr;
1231		1567
1232	if (R->Input_Context == NULL	1568	if (!Input_Context
		1569	|| !focus
1233	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1570	|| !(input_style & XIMPreeditArea)
1234	|| !rxvt_IMisRunning(aR))	1571	|| !IMisRunning ())
1235	return;	1572	return;
1236		1573
1237	/* Getting the necessary width of preedit area */	1574	/* Getting the necessary width of preedit area */
1238	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1575	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1239	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1576	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1240	XFree(status_attr);	1577	XFree (status_attr);
1241		1578
1242	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1579	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1580	XFree (needed_rect);
1243		1581
1244	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1582	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1245	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1583	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1246		1584
1247	XSetICValues(R->Input_Context,	1585	XSetICValues (Input_Context,
1248	XNPreeditAttributes, preedit_attr,	1586	XNPreeditAttributes, preedit_attr,
1249	XNStatusAttributes, status_attr, NULL);	1587	XNStatusAttributes, status_attr, NULL);
1250		1588
1251	XFree(preedit_attr);	1589	XFree (preedit_attr);
1252	XFree(status_attr);	1590	XFree (status_attr);
1253	}	1591	}
1254	#endif /* USE_XIM */	1592	#endif /* USE_XIM */
1255		1593
1256	/*----------------------------------------------------------------------*/	1594	/*----------------------------------------------------------------------*/
1257	rxvt_t rxvt_current_term;	1595	rxvt_t rxvt_current_term;

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