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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.8 by pcg, Thu Nov 27 10:12:10 2003 UTC vs.
Revision 1.199 by root, Tue Jan 24 19:40:12 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.8 2003/11/27 10:12:10 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),
71	destroy_ev (this, &rxvt_term::destroy_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)
72	{	186	{
73	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;
74	}	204	}
75		205
76	rxvt_term::~rxvt_term ()	206	rxvt_term::~rxvt_term ()
77	{	207	{
78	rxvt_scr_release (this);	208	termlist.erase (find (termlist.begin (), termlist.end(), this));
79		209
80	#ifndef NO_SETOWNER_TTYDEV	210	emergency_cleanup ();
81	rxvt_privileged_ttydev (this, RESTORE);	211
		212	#if ENABLE_STYLES
		213	for (int i = RS_styleCount; --i; )
		214	if (fontset[i] != fontset[0])
		215	delete fontset[i];
82	#endif	216	#endif
83	#ifdef UTMP_SUPPORT	217	delete fontset[0];
84	rxvt_privileged_utmp (this, RESTORE);	218
85	#endif	219	if (display)
		220	{
		221	dDisp;
		222
		223	selection_clear ();
		224
86	#ifdef USE_XIM	225	#ifdef USE_XIM
87	if (Input_Context != NULL)	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]);
88	{	258	}
89	XDestroyIC (Input_Context);
90	Input_Context = NULL;
91	}
92	#endif
93		259
94	if (cmd_fd >= 0)	260	// TODO: free pixcolours, colours should become part of rxvt_display
95	close (cmd_fd);	261	delete pix_colors_focused;
		262	#if OFF_FOCUS_FADING
		263	delete pix_colors_unfocused;
		264	#endif
96		265
97	if (Xfd >= 0)	266	displays.put (display);
98	XCloseDisplay (Xdisplay);
99		267
100	delete PixColors;	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 ();
101	}	302	}
102		303
103	void	304	void
104	rxvt_term::destroy ()	305	rxvt_term::destroy ()
105	{	306	{
		307	if (destroy_ev.active)
		308	return;
		309
		310	if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)))
		311	return;
		312
		313	#if ENABLE_OVERLAY
		314	scr_overlay_off ();
		315	#endif
		316
		317	if (display)
		318	{
		319	#if USE_XIM
		320	im_ev.stop (display);
		321	#endif
		322	#if HAVE_SCROLLBARS
		323	scrollbar_ev.stop (display);
		324	#endif
		325	#if TRANSPARENT
		326	rootwin_ev.stop (display);
		327	#endif
		328	incr_ev.stop ();
		329	termwin_ev.stop (display);
		330	vt_ev.stop (display);
		331	}
		332
		333	check_ev.stop ();
106	pty_ev.stop ();	334	pty_ev.stop ();
107	x_ev.stop ();
108	#ifdef CURSOR_BLINK	335	#ifdef CURSOR_BLINK
		336	cursor_blink_ev.stop ();
		337	#endif
		338	#ifdef TEXT_BLINK
109	blink_ev.stop ();	339	text_blink_ev.stop ();
		340	#endif
		341	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		342	cont_scroll_ev.stop ();
		343	#endif
		344	#ifdef SELECTION_SCROLLING
		345	sel_scroll_ev.stop ();
110	#endif	346	#endif
111	#ifdef POINTER_BLANK	347	#ifdef POINTER_BLANK
112	pointer_ev.stop ();	348	pointer_ev.stop ();
113	#endif	349	#endif
114		350
…		…
116	}	352	}
117		353
118	void	354	void
119	rxvt_term::destroy_cb (time_watcher &w)	355	rxvt_term::destroy_cb (time_watcher &w)
120	{	356	{
121	SET_R (this);	357	make_current ();
122		358
123	delete this;	359	delete this;
124	}
125
126	/*----------------------------------------------------------------------*/
127	/* rxvt_init() */
128	/* LIBPROTO */
129	rxvt_t
130	rxvt_init(int argc, const char *const *argv)
131	{
132	SET_R(new rxvt_term);
133	dR;
134
135	if (!R->init_vars () || !R->init (argc, argv))
136	{
137	delete R;
138	return NULL;
139	}
140
141	return R;
142	}
143
144	/* EXTPROTO */
145	void
146	rxvt_init_signals ()
147	{
148	/* install exit handler for cleanup */
149	#if 0
150	#ifdef HAVE_ATEXIT
151	atexit(rxvt_clean_exit);
152	#else
153	# ifdef HAVE_ON_EXIT
154	on_exit(rxvt_clean_exit, NULL); /* non-ANSI exit handler */
155	# endif
156	#endif
157	#endif
158
159	struct sigaction sa;
160
161	sigfillset (&sa.sa_mask);
162	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
163	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGHUP , &sa, 0); //TODO, also: SIGPIPE
164	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
165	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
166	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
167	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
168
169	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
170	/* signal (SIGURG, SIG_DFL); */
171
172	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
173	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
174	}
175
176	bool
177	rxvt_term::init (int argc, const char *const *argv)
178	{
179	dR;//TODO (scrollbar, setidle)
180
181	/*
182	* Save and then give up any super-user privileges
183	* If we need privileges in any area then we must specifically request it.
184	* We should only need to be root in these cases:
185	* 1. write utmp entries on some systems
186	* 2. chown tty on some systems
187	*/
188	rxvt_privileges (this, SAVE);
189	rxvt_privileges (this, IGNORE);
190
191	rxvt_init_secondary (this);
192
193	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
194
195	#if (MENUBAR_MAX)
196	rxvt_menubar_read (this, rs[Rs_menu]);
197	#endif
198	#ifdef HAVE_SCROLLBARS
199	if (Options & Opt_scrollBar)
200	scrollbar_setIdle (); /* set existence for size calculations */
201	#endif
202
203	rxvt_Create_Windows (this, argc, argv);
204
205	rxvt_init_xlocale (this);
206
207	rxvt_scr_reset (this); /* initialize screen */
208	#ifdef RXVT_GRAPHICS
209	rxvt_Gr_reset (this); /* reset graphics */
210	#endif
211
212	#if 0
213	#ifdef DEBUG_X
214	XSynchronize(Xdisplay, True);
215	#endif
216	#endif
217
218	#ifdef HAVE_SCROLLBARS
219	if (Options & Opt_scrollBar)
220	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
221	#endif
222	#if (MENUBAR_MAX)
223	if (menubar_visible(r))
224	XMapWindow (Xdisplay, menuBar.win);
225	#endif
226	#ifdef TRANSPARENT
227	if (Options & Opt_transparent)
228	{
229	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
230	rxvt_check_our_parents (this);
231	}
232	#endif
233	XMapWindow (Xdisplay, TermWin.vt);
234	XMapWindow (Xdisplay, TermWin.parent[0]);
235
236	rxvt_init_env (this);
237	rxvt_init_command (this, cmd_argv);
238
239	x_ev.start (Xfd, EVENT_READ);
240	pty_ev.start (cmd_fd, EVENT_READ);
241
242	flush ();
243
244	return true;
245	}
246
247	/* ------------------------------------------------------------------------- *
248	* SIGNAL HANDLING & EXIT HANDLER *
249	* ------------------------------------------------------------------------- */
250	/*
251	* Catch a SIGCHLD signal and exit if the direct child has died
252	*/
253	/* ARGSUSED */
254	/* EXTPROTO */
255	RETSIGTYPE
256	rxvt_Child_signal(int sig __attribute__ ((unused)))
257	{
258	int pid, save_errno = errno;
259	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
260	;
261	errno = save_errno;
262
263	#if 0
264	if (pid == R->cmd_pid)
265	exit (EXIT_SUCCESS);
266	#endif
267	}
268
269	/*
270	* Catch a fatal signal and tidy up before quitting
271	*/
272	/* EXTPROTO */
273	RETSIGTYPE
274	rxvt_Exit_signal(int sig)
275	{
276	signal(sig, SIG_DFL);
277	#ifdef DEBUG_CMD
278	rxvt_print_error("signal %d", sig);
279	#endif
280	rxvt_clean_exit();
281	kill(getpid(), sig);
282	}
283
284	/* ARGSUSED */
285	/* INTPROTO */
286	int
287	rxvt_xerror_handler(const Display * display
288	__attribute__ ((unused)), const XErrorEvent * event)
289	{
290	dR;
291
292	if (R->allowedxerror == -1)
293	R->allowedxerror = event->error_code;
294	else
295	{
296	rxvt_print_error("XError: Request: %d . %d, Error: %d",
297	event->request_code, event->minor_code,
298	event->error_code);
299
300	R->destroy ();
301	}
302
303	return 0;
304	}	360	}
305		361
306	/*----------------------------------------------------------------------*/	362	/*----------------------------------------------------------------------*/
307	/*	363	/*
308	* Exit gracefully, clearing the utmp entry and restoring tty attributes	364	* Exit gracefully, clearing the utmp entry and restoring tty attributes
309	* 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
310	*/	366	*/
311	/* EXTPROTO */	367	static XErrorHandler old_xerror_handler;
		368
		369	static void
		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	}
		423	#endif
		424
		425	int
		426	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		427	{
		428	if (GET_R->allowedxerror == -1)
		429	GET_R->allowedxerror = event->error_code;
		430	else
		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);
		438	#endif
		439	}
		440
		441	return 0;
		442	}
		443
		444	int
		445	rxvt_xioerror_handler (Display *display)
		446	{
		447	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		448	DisplayString (display));
		449	rxvt_emergency_cleanup ();
		450	_exit (EXIT_FAILURE);
		451	}
		452
		453	/*----------------------------------------------------------------------*/
		454	bool
		455	rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
		456	{
		457	this->envv = envv;
		458
		459	SET_R (this);
		460	set_locale ("");
		461	set_environ (envv); // few things in X do not call setlocale :(
		462
		463	if (!init_vars ())
		464	return false;
		465
		466	init_secondary ();
		467
		468	const char **cmd_argv = init_resources (argc, argv);
		469
		470	#ifdef KEYSYM_RESOURCE
		471	keyboard->register_done ();
		472	#endif
		473
		474	#ifdef HAVE_SCROLLBARS
		475	if (OPTION (Opt_scrollBar))
		476	scrollBar.setIdle (); /* set existence for size calculations */
		477	#endif
		478
		479	pty = ptytty::create ();
		480
		481	create_windows (argc, argv);
		482
		483	dDisp;
		484
		485	init_xlocale ();
		486
		487	scr_reset (); // initialize screen
		488
		489	#if 0
		490	XSynchronize (disp, True);
		491	#endif
		492
		493	#ifdef HAVE_SCROLLBARS
		494	if (OPTION (Opt_scrollBar))
		495	resize_scrollbar (); /* create and map scrollbar */
		496	#endif
		497	#ifdef TRANSPARENT
		498	if (OPTION (Opt_transparent))
		499	{
		500	XSelectInput (disp, display->root, PropertyChangeMask);
		501	check_our_parents ();
		502	rootwin_ev.start (display, display->root);
		503	}
		504	#endif
		505
		506	set_colorfgbg ();
		507
		508	init_command (cmd_argv);
		509
		510	free (cmd_argv);
		511
		512	if (pty->pty >= 0)
		513	pty_ev.start (pty->pty, EVENT_READ);
		514
		515	check_ev.start ();
		516
		517	HOOK_INVOKE ((this, HOOK_START, DT_END));
		518
		519	XMapWindow (disp, vt);
		520	XMapWindow (disp, parent[0]);
		521
		522	return true;
		523	}
		524
		525	static struct sig_handlers
		526	{
		527	sig_watcher sw_term, sw_int;
		528
		529	/*
		530	* Catch a fatal signal and tidy up before quitting
		531	*/
312	void	532	void
313	rxvt_clean_exit ()	533	sig_term (sig_watcher &w)
314	{	534	{
315	dR;	535	rxvt_emergency_cleanup ();
		536	signal (w.signum, SIG_DFL);
		537	kill (getpid (), w.signum);
		538	}
316		539
317	R->destroy ();	540	sig_handlers ()
		541	: sw_term (this, &sig_handlers::sig_term),
		542	sw_int (this, &sig_handlers::sig_term)
		543	{
		544	}
		545	} sig_handlers;
		546
		547	char **rxvt_environ; // startup environment
		548
		549	void
		550	rxvt_init ()
		551	{
		552	ptytty::init ();
		553
		554	rxvt_environ = environ;
		555
		556	signal (SIGHUP, SIG_IGN);
		557	signal (SIGPIPE, SIG_IGN);
		558
		559	sig_handlers.sw_term.start (SIGTERM);
		560	sig_handlers.sw_int.start (SIGINT);
		561
		562	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		563	/* signal (SIGURG, SIG_DFL); */
		564
		565	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		566	// TODO: handle this with exceptions and tolerate the memory loss
		567	XSetIOErrorHandler (rxvt_xioerror_handler);
		568
		569	XrmInitialize ();
318	}	570	}
319		571
320	/* ------------------------------------------------------------------------- *	572	/* ------------------------------------------------------------------------- *
321	* MEMORY ALLOCATION WRAPPERS *	573	* MEMORY ALLOCATION WRAPPERS *
322	* ------------------------------------------------------------------------- */	574	* ------------------------------------------------------------------------- */
323	/* EXTPROTO */	575	void *
324	void *
325	rxvt_malloc(size_t size)	576	rxvt_malloc (size_t size)
326	{	577	{
327	void *p;
328
329	p = malloc(size);	578	void *p = malloc (size);
		579
330	if (p)	580	if (!p)
		581	rxvt_fatal ("memory allocation failure. aborting.\n");
		582
331	return p;	583	return p;
332
333	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
334	rxvt_clean_exit();
335	exit(EXIT_FAILURE);
336	/* NOTREACHED */
337	}	584	}
338		585
339	/* EXTPROTO */	586	void *
340	void *
341	rxvt_calloc(size_t number, size_t size)	587	rxvt_calloc (size_t number, size_t size)
342	{	588	{
343	void *p;
344
345	p = calloc(number, size);	589	void *p = calloc (number, size);
		590
346	if (p)	591	if (!p)
		592	rxvt_fatal ("memory allocation failure. aborting.\n");
		593
347	return p;	594	return p;
348
349	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
350	rxvt_clean_exit();
351	exit(EXIT_FAILURE);
352	/* NOTREACHED */
353	}	595	}
354		596
355	/* EXTPROTO */	597	void *
356	void *
357	rxvt_realloc(void *ptr, size_t size)	598	rxvt_realloc (void *ptr, size_t size)
358	{	599	{
359	void *p;
360
361	if (ptr)
362	p = realloc(ptr, size);	600	void *p = realloc (ptr, size);
363	else	601
364	p = malloc(size);
365	if (p)	602	if (!p)
		603	rxvt_fatal ("memory allocation failure. aborting.\n");
		604
366	return p;	605	return p;
367
368	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
369	rxvt_clean_exit();
370	exit(EXIT_FAILURE);
371	/* NOTREACHED */
372	}	606	}
373
374	/* ------------------------------------------------------------------------- *
375	* PRIVILEGED OPERATIONS *
376	* ------------------------------------------------------------------------- */
377	/* take care of suid/sgid super-user (root) privileges */
378	/* INTPROTO */
379	void
380	rxvt_privileges(pR_ int mode)
381	{
382	#if ! defined(__CYGWIN32__)
383	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
384	/* setreuid() is the poor man's setuid(), seteuid() */
385	# define seteuid(a) setreuid(-1, (a))
386	# define setegid(a) setregid(-1, (a))
387	# define HAVE_SETEUID
388	# endif
389	# ifdef HAVE_SETEUID
390	switch (mode) {
391	case IGNORE:
392	/*
393	* change effective uid/gid - not real uid/gid - so we can switch
394	* back to root later, as required
395	*/
396	seteuid(getuid());
397	setegid(getgid());
398	break;
399	case SAVE:
400	R->euid = geteuid();
401	R->egid = getegid();
402	break;
403	case RESTORE:
404	seteuid(R->euid);
405	setegid(R->egid);
406	break;
407	}
408	# else
409	switch (mode) {
410	case IGNORE:
411	setuid(getuid());
412	setgid(getgid());
413	/* FALLTHROUGH */
414	case SAVE:
415	/* FALLTHROUGH */
416	case RESTORE:
417	break;
418	}
419	# endif
420	#endif
421	}
422
423	#ifdef UTMP_SUPPORT
424	/* EXTPROTO */
425	void
426	rxvt_privileged_utmp(pR_ char action)
427	{
428	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
429	action, R->next_utmp_action, getpid()));
430	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
431	|| (R->Options & Opt_utmpInhibit)
432	|| R->ttydev == NULL || *R->ttydev == '\0')
433	return;
434
435	rxvt_privileges(aR_ RESTORE);
436	if (action == SAVE) {
437	R->next_utmp_action = RESTORE;
438	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
439	} else { /* action == RESTORE */
440	R->next_utmp_action = IGNORE;
441	rxvt_cleanutent(aR);
442	}
443	rxvt_privileges(aR_ IGNORE);
444	}
445	#endif
446
447	#ifndef NO_SETOWNER_TTYDEV
448	/* EXTPROTO */
449	void
450	rxvt_privileged_ttydev(pR_ char action)
451	{
452	D_MAIN((stderr,
453	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
454	action, R->next_tty_action, getpid()));
455	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
456	|| R->ttydev == NULL || *R->ttydev == '\0')
457	return;
458
459	rxvt_privileges(aR_ RESTORE);
460
461	if (action == SAVE) {
462	R->next_tty_action = RESTORE;
463	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
464	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
465	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
466	R->next_tty_action = IGNORE;
467	else
468	# endif
469	{
470	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
471	chmod(R->ttydev, R->ttymode);
472	# ifdef HAVE_REVOKE
473	revoke(R->ttydev);
474	# endif
475	}
476	} else { /* action == RESTORE */
477	R->next_tty_action = IGNORE;
478	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
479	chmod(R->ttydev, R->ttyfd_stat.st_mode);
480	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
481	# else
482	chmod(R->ttydev,
483	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
484	chown(R->ttydev, 0, 0);
485	# endif
486	}
487
488	rxvt_privileges(aR_ IGNORE);
489
490	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
491	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
492	action == RESTORE ? "Restoring" : (action ==
493	SAVE ? "Saving" :
494	"UNKNOWN ERROR for"), R->ttydev,
495	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
496	R->ttyfd_stat.st_gid));
497	# endif
498	}
499	#endif
500		607
501	/*----------------------------------------------------------------------*/	608	/*----------------------------------------------------------------------*/
502	/*	609	/*
503	* window size/position calculcations for XSizeHint and other storage.	610	* window size/position calculcations for XSizeHint and other storage.
504	* if width/height are non-zero then override calculated width/height	611	* if width/height are non-zero then override calculated width/height
505	*/	612	*/
506	/* EXTPROTO */
507	void	613	void
508	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	614	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
509	{	615	{
510	short recalc_x, recalc_y;	616	short recalc_x, recalc_y;
511	int x, y, sb_w, mb_h, flags;	617	int x, y, sb_w, flags;
512	unsigned int w, h;	618	unsigned int w, h;
513	unsigned int max_width, max_height;	619	unsigned int max_width, max_height;
		620	dDisp;
514		621
515	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
516	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
517	R->szHint.height));
518	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	622	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
519	R->szHint.win_gravity = NorthWestGravity;	623	szHint.win_gravity = NorthWestGravity;
520	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	624	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
521		625
522	recalc_x = recalc_y = 0;	626	recalc_x = recalc_y = 0;
523	flags = 0;	627	flags = 0;
		628
524	if (!R->parsed_geometry) {	629	if (!parsed_geometry)
		630	{
525	R->parsed_geometry = 1;	631	parsed_geometry = 1;
		632
526	if (R->rs[Rs_geometry])	633	if (rs[Rs_geometry])
527	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	634	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		635
528	if (flags & WidthValue) {	636	if (flags & WidthValue)
529	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	637	{
		638	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
530	R->szHint.flags |= USSize;	639	szHint.flags |= USSize;
531	}	640	}
		641
532	if (flags & HeightValue) {	642	if (flags & HeightValue)
533	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	643	{
		644	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
534	R->szHint.flags |= USSize;	645	szHint.flags |= USSize;
535	}	646	}
		647
536	if (flags & XValue) {	648	if (flags & XValue)
		649	{
537	R->szHint.x = x;	650	szHint.x = x;
538	R->szHint.flags |= USPosition;	651	szHint.flags |= USPosition;
		652
539	if (flags & XNegative) {	653	if (flags & XNegative)
		654	{
540	recalc_x = 1;	655	recalc_x = 1;
541	R->szHint.win_gravity = NorthEastGravity;	656	szHint.win_gravity = NorthEastGravity;
542	}	657	}
543	}	658	}
		659
544	if (flags & YValue) {	660	if (flags & YValue)
		661	{
545	R->szHint.y = y;	662	szHint.y = y;
546	R->szHint.flags |= USPosition;	663	szHint.flags |= USPosition;
		664
547	if (flags & YNegative) {	665	if (flags & YNegative)
		666	{
548	recalc_y = 1;	667	recalc_y = 1;
		668
549	if (R->szHint.win_gravity == NorthEastGravity)	669	if (szHint.win_gravity == NorthEastGravity)
550	R->szHint.win_gravity = SouthEastGravity;	670	szHint.win_gravity = SouthEastGravity;
551	else	671	else
552	R->szHint.win_gravity = SouthWestGravity;	672	szHint.win_gravity = SouthWestGravity;
553	}	673	}
554	}	674	}
555	}	675	}
		676
556	/* TODO: BOUNDS */	677	/* TODO: BOUNDS */
557	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	678	width = ncol * fwidth;
558	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	679	height = nrow * fheight;
559	max_width = MAX_COLS * R->TermWin.fwidth;	680	max_width = MAX_COLS * fwidth;
560	max_height = MAX_ROWS * R->TermWin.fheight;	681	max_height = MAX_ROWS * fheight;
561		682
562	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	683	szHint.base_width = szHint.base_height = 2 * int_bwidth;
563		684
564	sb_w = mb_h = 0;	685	sb_w = 0;
565	R->window_vt_x = R->window_vt_y = 0;	686	window_vt_x = window_vt_y = int_bwidth;
566	if (scrollbar_visible(R)) {	687
		688	if (scrollBar.state)
		689	{
567	sb_w = scrollbar_TotalWidth();	690	sb_w = scrollbar_TotalWidth ();
568	R->szHint.base_width += sb_w;	691	szHint.base_width += sb_w;
569	if (!(R->Options & Opt_scrollBar_right))	692	if (!OPTION (Opt_scrollBar_right))
570	R->window_vt_x = sb_w;	693	window_vt_x += sb_w;
571	}	694	}
572	if (menubar_visible(R)) {	695
573	mb_h = menuBar_TotalHeight();
574	R->szHint.base_height += mb_h;
575	R->window_vt_y = mb_h;
576	}
577	R->szHint.width_inc = R->TermWin.fwidth;	696	szHint.width_inc = fwidth;
578	R->szHint.height_inc = R->TermWin.fheight;	697	szHint.height_inc = fheight;
579	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	698	szHint.min_width = szHint.base_width + szHint.width_inc;
580	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	699	szHint.min_height = szHint.base_height + szHint.height_inc;
581		700
582	if (width && width - R->szHint.base_width < max_width) {	701	if (newwidth && newwidth - szHint.base_width < max_width)
		702	{
583	R->szHint.width = width;	703	szHint.width = newwidth;
584	R->TermWin.width = width - R->szHint.base_width;	704	width = newwidth - szHint.base_width;
585	} else {	705	}
586	MIN_IT(R->TermWin.width, max_width);	706	else
		707	{
		708	min_it (width, max_width);
587	R->szHint.width = R->szHint.base_width + R->TermWin.width;	709	szHint.width = szHint.base_width + width;
588	}	710	}
		711
589	if (height && height - R->szHint.base_height < max_height) {	712	if (newheight && newheight - szHint.base_height < max_height)
		713	{
590	R->szHint.height = height;	714	szHint.height = newheight;
591	R->TermWin.height = height - R->szHint.base_height;	715	height = newheight - szHint.base_height;
592	} else {	716	}
593	MIN_IT(R->TermWin.height, max_height);	717	else
		718	{
		719	min_it (height, max_height);
594	R->szHint.height = R->szHint.base_height + R->TermWin.height;	720	szHint.height = szHint.base_height + height;
595	}	721	}
596	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	722
		723	if (scrollBar.state && OPTION (Opt_scrollBar_right))
597	R->window_sb_x = R->szHint.width - sb_w;	724	window_sb_x = szHint.width - sb_w;
598		725
599	if (recalc_x)	726	if (recalc_x)
600	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	727	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
601	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
602	if (recalc_y)	728	if (recalc_y)
603	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	729	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
604	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
605		730
606	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	731	ncol = width / fwidth;
607	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	732	nrow = height / fheight;
608	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
609	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
610	R->szHint.height));
611	return;
612	}	733	}
613		734
614	/*----------------------------------------------------------------------*/	735	/*----------------------------------------------------------------------*/
615	/*	736	/*
616	* Tell the teletype handler what size the window is.	737	* Tell the teletype handler what size the window is.
617	* Called after a window size change.	738	* Called after a window size change.
618	*/	739	*/
619	/* EXTPROTO */
620	void	740	void
621	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	741	rxvt_term::tt_winch ()
622	{	742	{
		743	if (pty->pty < 0)
		744	return;
		745
623	struct winsize ws;	746	struct winsize ws;
624		747
625	if (fd < 0)
626	return;
627	ws.ws_col = col;	748	ws.ws_col = ncol;
628	ws.ws_row = row;	749	ws.ws_row = nrow;
629	ws.ws_xpixel = ws.ws_ypixel = 0;	750	ws.ws_xpixel = width;
630	#ifndef DEBUG_SIZE	751	ws.ws_ypixel = height;
631	(void)ioctl(fd, TIOCSWINSZ, &ws);	752	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
632	#else	753
633	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	754	#if 0
634	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	755	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
635	}
636	# ifdef SIGWINCH
637	else if (pid) /* force through to the command */	756	if (cmd_pid) /* force through to the command */
638	kill(pid, SIGWINCH);	757	kill (-cmd_pid, SIGWINCH);
639	# endif
640	#endif	758	#endif
641	}	759	}
642		760
643	/*----------------------------------------------------------------------*/	761	/*----------------------------------------------------------------------*/
644	/* rxvt_change_font() - Switch to a new font */	762	/* set_fonts () - load and set the various fonts
645	/*	763	*
646	* init = 1 - initialize	764	* init = 1 - initialize
647	*	765	*
648	* fontname == FONT_UP - switch to bigger font	766	* fontname == FONT_UP - switch to bigger font
649	* fontname == FONT_DN - switch to smaller font	767	* fontname == FONT_DN - switch to smaller font
650	*/	768	*/
651	/* EXTPROTO */	769	bool
652	void	770	rxvt_term::set_fonts ()
653	rxvt_change_font(pR_ int init, const char *fontname)
654	{	771	{
655	}	772	rxvt_fontset *fs = new rxvt_fontset (this);
		773	rxvt_fontprop prop;
656		774
657	/* INTPROTO */	775	if (!fs
658	void	776	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
659	rxvt_font_up_down(pR_ int n, int direction)	777	|| !fs->realize_font (1))
		778	{
		779	delete fs;
		780	return false;
		781	}
		782
		783	#if ENABLE_STYLES
		784	for (int i = RS_styleCount; --i; )
		785	if (fontset[i] != fontset[0])
		786	delete fontset[i];
		787	#endif
		788
		789	delete fontset[0];
		790	fontset[0] = fs;
		791
		792	prop = (*fs)[1]->properties ();
		793	prop.height += lineSpace;
		794	fs->set_prop (prop);
		795
		796	fwidth = prop.width;
		797	fheight = prop.height;
		798	fbase = prop.ascent;
		799
		800	for (int style = 1; style < 4; style++)
		801	{
		802	#if ENABLE_STYLES
		803	const char *res = rs[Rs_font + style];
		804
		805	if (res && !*res)
		806	fontset[style] = fontset[0];
		807	else
		808	{
		809	fontset[style] = fs = new rxvt_fontset (this);
		810	rxvt_fontprop prop2 = prop;
		811
		812	if (res)
		813	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		814	else
		815	{
		816	res = fontset[0]->fontdesc;
		817
		818	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		819	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		820	}
		821
		822	fs->populate (res);
		823	fs->set_prop (prop2);
		824	}
		825	#else
		826	fontset[style] = fontset[0];
		827	#endif
		828	}
		829
		830	if (parent[0])
		831	{
		832	resize_all_windows (0, 0, 0);
		833	scr_remap_chars ();
		834	scr_touch (true);
		835	}
		836
		837	return true;
		838	}
		839
		840	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
660	{	841	{
		842	XChangeProperty (display->display, parent[0],
		843	prop, XA_STRING, 8, PropModeReplace,
		844	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		845	}
		846
		847	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		848	{
		849	wchar_t *ws = rxvt_mbstowcs (str, len);
		850	char *s = rxvt_wcstoutf8 (ws);
		851
		852	XChangeProperty (display->display, parent[0],
		853	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		854	(const unsigned char *)s, strlen (s));
		855
		856	free (s);
		857	free (ws);
661	}	858	}
662		859
663	/*----------------------------------------------------------------------*/	860	/*----------------------------------------------------------------------*/
664	/*----------------------------------------------------------------------*/	861	/*----------------------------------------------------------------------*/
665	/* xterm sequences - title, iconName, color (exptl) */	862	/* xterm sequences - title, iconName, color (exptl) */
666	/* EXTPROTO */
667	void	863	void
668	rxvt_set_title(pR_ const char *str)	864	rxvt_term::set_title (const char *str)
669	{	865	{
670	#ifndef SMART_WINDOW_TITLE	866	set_string_property (XA_WM_NAME, str);
671	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	867	#if ENABLE_EWMH
		868	set_utf8_property (xa[XA_NET_WM_NAME], str);
		869	#endif
		870	}
		871
		872	void
		873	rxvt_term::set_icon_name (const char *str)
		874	{
		875	set_string_property (XA_WM_ICON_NAME, str);
		876	#if ENABLE_EWMH
		877	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		878	#endif
		879	}
		880
		881	#ifdef XTERM_COLOR_CHANGE
		882	void
		883	rxvt_term::set_window_color (int idx, const char *color)
		884	{
		885	rxvt_color xcol;
		886	int i;
		887
		888	if (color == NULL || *color == '\0')
		889	return;
		890
		891	/* handle color aliases */
		892	if (isdigit (*color))
		893	{
		894	i = atoi (color);
		895
		896	if (i >= 8 && i <= 15)
		897	{ /* bright colors */
		898	i -= 8;
		899	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		900	SET_PIXCOLOR (idx);
		901	goto done;
		902	}
		903
		904	if (i >= 0 && i <= 7)
		905	{ /* normal colors */
		906	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		907	SET_PIXCOLOR (idx);
		908	goto done;
		909	}
		910	}
		911
		912	if (!rXParseAllocColor (&xcol, color))
		913	return;
		914
		915	/* XStoreColor (display->display, display->cmap, XColor*); */
		916
		917	/*
		918	* FIXME: should free colors here, but no idea how to do it so instead,
		919	* so just keep gobbling up the colormap
		920	*/
		921	# if 0
		922	for (i = Color_Black; i <= Color_White; i++)
		923	if (pix_colors[idx] == pix_colors[i])
		924	break;
		925	if (i > Color_White)
		926	{
		927	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		928	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		929	DisplayPlanes (display->display, display->screen));
		930	}
		931	# endif
		932
		933	pix_colors_focused[idx] = xcol;
		934	SET_PIXCOLOR (idx);
		935
		936	/* XSetWindowAttributes attr; */
		937	/* Cursor cursor; */
		938	done:
		939
		940	#if OFF_FOCUS_FADING
		941	if (rs[Rs_fade])
		942	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		943	#endif
		944
		945	/*TODO: handle Color_BD, scrollbar background, etc. */
		946
		947	recolour_cursor ();
		948	scr_recolour ();
		949	}
		950
672	#else	951	#else
673	char *name;
674
675	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
676	name = NULL;
677	if (name == NULL || STRCMP(name, str))
678	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
679	if (name)
680	XFree(name);
681	#endif
682	}
683
684	/* EXTPROTO */
685	void
686	rxvt_set_iconName(pR_ const char *str)
687	{
688	#ifndef SMART_WINDOW_TITLE
689	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
690	#else
691	char *name;
692
693	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
694	name = NULL;
695	if (name == NULL || STRCMP(name, str))
696	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
697	if (name)
698	XFree(name);
699	#endif
700	}
701
702	#ifdef XTERM_COLOR_CHANGE
703	/* EXTPROTO */
704	void
705	rxvt_set_window_color(pR_ int idx, const char *color)
706	{
707	rxvt_color xcol;
708	int i;
709
710	if (color == NULL || *color == '\0')
711	return;
712
713	/* handle color aliases */
714	if (isdigit(*color)) {
715	i = atoi(color);
716	if (i >= 8 && i <= 15) { /* bright colors */
717	i -= 8;
718	# ifndef NO_BRIGHTCOLOR
719	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
720	SET_PIXCOLOR(R, idx);
721	goto Done;
722	# endif
723	}
724	if (i >= 0 && i <= 7) { /* normal colors */
725	R->PixColors[idx] = R->PixColors[minCOLOR + i];
726	SET_PIXCOLOR(R, idx);
727	goto Done;
728	}
729	}
730	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
731	return;
732	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
733
734	/*
735	* FIXME: should free colors here, but no idea how to do it so instead,
736	* so just keep gobbling up the colormap
737	*/
738	# if 0
739	for (i = Color_Black; i <= Color_White; i++)
740	if (R->PixColors[idx] == R->PixColors[i])
741	break;
742	if (i > Color_White) {
743	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
744	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
745	DisplayPlanes(R->Xdisplay, Xscreen));
746	}
747	# endif
748
749	R->PixColors[idx] = xcol;
750	SET_PIXCOLOR(R, idx);
751
752	/* XSetWindowAttributes attr; */
753	/* Cursor cursor; */
754	Done:
755	if (idx == Color_bg && !(R->Options & Opt_transparent))
756	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
757	R->PixColors[Color_bg]);
758
759	/* handle Color_BD, scrollbar background, etc. */
760
761	rxvt_set_colorfgbg(aR);
762	rxvt_recolour_cursor(aR);
763	/* the only reasonable way to enforce a clean update */
764	rxvt_scr_poweron(aR);
765	}
766
767	#else
768	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	952	# define set_window_color (idx,color) ((void)0)
769	#endif /* XTERM_COLOR_CHANGE */	953	#endif /* XTERM_COLOR_CHANGE */
770		954
771	/* EXTPROTO */
772	void	955	void
773	rxvt_recolour_cursor(pR)	956	rxvt_term::recolour_cursor ()
774	{	957	{
775	rxvt_color xcol[2];	958	XColor xcol[2];
776		959
777	#if TODO	960	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
778	xcol[0] = R->PixColors[Color_pointer];	961	? pix_colors_focused[Color_pointer_fg]
779	xcol[1] = R->PixColors[Color_bg];	962	: pix_colors_focused[Color_fg];
780	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	963	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		964	? pix_colors_focused[Color_pointer_bg]
		965	: pix_colors_focused[Color_bg];
		966
		967	XQueryColors (display->display, display->cmap, xcol, 2);
781	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	968	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
782	#endif
783	}	969	}
784		970
785	/*----------------------------------------------------------------------*/	971	/*----------------------------------------------------------------------*/
786	/*	972	/*
787	* find if fg/bg matches any of the normal (low-intensity) colors	973	* find if fg/bg matches any of the normal (low-intensity) colors
788	*/	974	*/
789	/* INTPROTO */
790	void	975	void
791	rxvt_set_colorfgbg(pR)	976	rxvt_term::set_colorfgbg ()
792	{	977	{
793	unsigned int i;	978	unsigned int i;
794	const char *xpmb = "\0";	979	const char *xpmb = "\0";
795	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	980	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
796		981
797	R->env_colorfgbg =
798	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	982	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
799	STRCPY(fstr, "default");	983	strcpy (fstr, "default");
800	STRCPY(bstr, "default");	984	strcpy (bstr, "default");
801	for (i = Color_Black; i <= Color_White; i++)	985	for (i = Color_Black; i <= Color_White; i++)
802	if (R->PixColors[Color_fg] == R->PixColors[i]) {	986	if (pix_colors[Color_fg] == pix_colors[i])
		987	{
803	sprintf(fstr, "%d", (i - Color_Black));	988	sprintf (fstr, "%d", (i - Color_Black));
804	break;	989	break;
805	}	990	}
		991
806	for (i = Color_Black; i <= Color_White; i++)	992	for (i = Color_Black; i <= Color_White; i++)
807	if (R->PixColors[Color_bg] == R->PixColors[i]) {	993	if (pix_colors[Color_bg] == pix_colors[i])
		994	{
808	sprintf(bstr, "%d", (i - Color_Black));	995	sprintf (bstr, "%d", (i - Color_Black));
809	#ifdef XPM_BACKGROUND	996	#ifdef XPM_BACKGROUND
810	xpmb = "default;";	997	xpmb = "default;";
811	#endif	998	#endif
812	break;	999	break;
813	}	1000	}
		1001
814	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1002	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
815	putenv(R->env_colorfgbg);
816
817	#ifndef NO_BRIGHTCOLOR
818	R->colorfgbg = DEFAULT_RSTYLE;
819	for (i = minCOLOR; i <= maxCOLOR; i++) {
820	if (R->PixColors[Color_fg] == R->PixColors[i])
821	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
822	if (R->PixColors[Color_bg] == R->PixColors[i])
823	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
824	}
825	#endif
826	}	1003	}
827		1004
828	/*----------------------------------------------------------------------*/	1005	/*----------------------------------------------------------------------*/
829	/*
830	* Colour determination for low colour displays, routine from
831	* Hans de Goede <hans@highrise.nl>
832	*/
833		1006
834	/* EXTPROTO */
835	int	1007	int
836	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1008	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
837	{	1009	{
838	screen_in_out->set(aR_ colour);
839
840	if (!screen_in_out->set(aR_ colour)) {	1010	if (!screen_in_out->set (display, colour))
841	rxvt_print_error("can't allocate colour: %s", colour);	1011	{
		1012	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
842	return false;	1013	return false;
843	}	1014	}
844		1015
845	return true;	1016	return true;
846	}	1017	}
847		1018
848	/* -------------------------------------------------------------------- *	1019	/* -------------------------------------------------------------------- *
849	* - WINDOW RESIZING - *	1020	* - WINDOW RESIZING - *
850	* -------------------------------------------------------------------- */	1021	* -------------------------------------------------------------------- */
851	/* EXTPROTO */
852	void	1022	void
853	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1023	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
854	int ignoreparent)
855	{	1024	{
856	int fix_screen;	1025	int fix_screen;
		1026	int old_width = szHint.width;
		1027	int old_height = szHint.height;
		1028	dDisp;
857		1029
		1030	window_calc (newwidth, newheight);
		1031	XSetWMNormalHints (disp, parent[0], &szHint);
		1032
		1033	if (!ignoreparent)
		1034	{
858	#ifdef SMART_RESIZE	1035	#ifdef SMART_RESIZE
859	int old_width = R->szHint.width, old_height = R->szHint.height;	1036	/*
860	#endif
861
862	rxvt_window_calc(aR_ width, height);
863	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
864	if (!ignoreparent) {
865	#ifdef SMART_RESIZE
866	/*
867	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1037	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
868	* reposition window on resize depending on placement on screen	1038	* reposition window on resize depending on placement on screen
869	*/	1039	*/
870	int x, y, x1, y1;	1040	int x, y, x1, y1;
871	int dx, dy;	1041	int dx, dy;
872	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1042	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
873	Window unused_cr;	1043	Window unused_cr;
874		1044
875	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1045	XTranslateCoordinates (disp, parent[0], display->root,
876	0, 0, &x, &y, &unused_cr);	1046	0, 0, &x, &y, &unused_cr);
877	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1047	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
878	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1048	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
879	/*	1049	/*
880	* if Xroot isn't the parent window, a WM will probably have offset	1050	* if display->root isn't the parent window, a WM will probably have offset
881	* our position for handles and decorations. Counter it	1051	* our position for handles and decorations. Counter it
882	*/	1052	*/
883	if (x1 != x || y1 != y) {	1053	if (x1 != x || y1 != y)
		1054	{
884	x -= x1;	1055	x -= x1;
885	y -= y1;	1056	y -= y1;
886	}	1057	}
887		1058
888	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1059	x1 = (DisplayWidth (disp, display->screen) - old_width ) / 2;
889	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1060	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
890	dx = old_width - R->szHint.width;	1061	dx = old_width - szHint.width;
891	dy = old_height - R->szHint.height;	1062	dy = old_height - szHint.height;
892		1063
893	/* Check position of the center of the window */	1064	/* Check position of the center of the window */
894	if (x < x1) /* left half */	1065	if (x < x1) /* left half */
895	dx = 0;	1066	dx = 0;
896	else if (x == x1) /* exact center */	1067	else if (x == x1) /* exact center */
897	dx /= 2;	1068	dx /= 2;
898	if (y < y1) /* top half */	1069	if (y < y1) /* top half */
899	dy = 0;	1070	dy = 0;
900	else if (y == y1) /* exact center */	1071	else if (y == y1) /* exact center */
901	dy /= 2;	1072	dy /= 2;
902		1073
903	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1074	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
904	R->szHint.width, R->szHint.height);	1075	szHint.width, szHint.height);
905	#else	1076	#else
906	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1077	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
907	R->szHint.height);
908	#endif	1078	#endif
909	}	1079	}
910		1080
911	fix_screen = (R->TermWin.ncol != R->prev_ncol	1081	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
912	|| R->TermWin.nrow != R->prev_nrow);	1082
913	if (fix_screen || width != R->old_width || height != R->old_height) {	1083	if (fix_screen || newwidth != old_width || newheight != old_height)
914	if (scrollbar_visible(R)) {	1084	{
		1085	if (scrollBar.state)
		1086	{
915	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1087	XMoveResizeWindow (disp, scrollBar.win,
		1088	window_sb_x, 0,
916	0, scrollbar_TotalWidth(), R->szHint.height);	1089	scrollbar_TotalWidth (), szHint.height);
917	rxvt_Resize_scrollBar(aR);	1090	resize_scrollbar ();
918	}	1091	}
919	if (menubar_visible(R))	1092
920	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1093	XMoveResizeWindow (disp, vt,
921	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1094	window_vt_x, window_vt_y,
922	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
923	R->window_vt_y, TermWin_TotalWidth(),
924	TermWin_TotalHeight());	1095	width, height);
925	#ifdef RXVT_GRAPHICS	1096
926	if (R->old_height)
927	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
928	R->old_height - R->szHint.base_height);
929	#endif
930	rxvt_scr_clear(aR);	1097	scr_clear ();
931	#ifdef XPM_BACKGROUND	1098	#ifdef XPM_BACKGROUND
932	rxvt_resize_pixmap(aR);	1099	resize_pixmap ();
933	#endif	1100	#endif
934	}	1101	}
935		1102
936	if (fix_screen || R->old_height == 0) {	1103	if (fix_screen || old_height == 0)
937	int curr_screen = -1;	1104	scr_reset ();
938	uint16_t old_ncol = R->prev_ncol;
939		1105
940	/* scr_reset only works on the primary screen */	1106	#ifdef XPM_BACKGROUND
941	if (R->old_height) /* this is not the first time through */	1107	if (pixmap)
942	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1108	scr_touch (false);
943	rxvt_scr_reset(aR);	1109	#endif
944	if (curr_screen >= 0) { /* this is not the first time through */
945	rxvt_scr_change_screen(aR_ curr_screen);
946	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
947	}
948	}
949
950	R->old_width = R->szHint.width;
951	R->old_height = R->szHint.height;
952		1110
953	#ifdef USE_XIM	1111	#ifdef USE_XIM
954	rxvt_IMSetStatusPosition(aR);	1112	IMSetStatusPosition ();
955	#endif	1113	#endif
956	}	1114	}
957		1115
958	/*	1116	/*
959	* Set the width/height of the vt window in characters. Units are pixels.	1117	* Set the width/height of the vt window in characters. Units are pixels.
960	* good for toggling 80/132 columns	1118	* good for toggling 80/132 columns
961	*/	1119	*/
962	/* EXTPROTO */
963	void	1120	void
964	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1121	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
965	{	1122	{
966	XWindowAttributes wattr;	1123	XWindowAttributes wattr;
967		1124
968	if (width == 0 || height == 0) {	1125	if (newwidth == 0 || newheight == 0)
		1126	{
969	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1127	XGetWindowAttributes (display->display, display->root, &wattr);
		1128
970	if (width == 0)	1129	if (newwidth == 0)
971	width = wattr.width - R->szHint.base_width;	1130	newwidth = wattr.width - szHint.base_width;
972	if (height == 0)	1131	if (newheight == 0)
973	height = wattr.height - R->szHint.base_height;	1132	newheight = wattr.height - szHint.base_height;
		1133	}
		1134
		1135	if (newwidth != width || newheight != height)
974	}	1136	{
975	if (width != R->TermWin.width || height != R->TermWin.height) {
976	width += R->szHint.base_width;	1137	newwidth += szHint.base_width;
977	height += R->szHint.base_height;	1138	newheight += szHint.base_height;
978	rxvt_resize_all_windows(aR_ width, height, 0);	1139	resize_all_windows (newwidth, newheight, 0);
979	}	1140	}
980	}	1141	}
981		1142
982	/* -------------------------------------------------------------------- *	1143	/* -------------------------------------------------------------------- *
983	* - X INPUT METHOD ROUTINES - *	1144	* - X INPUT METHOD ROUTINES - *
984	* -------------------------------------------------------------------- */	1145	* -------------------------------------------------------------------- */
985	#ifdef USE_XIM	1146	#ifdef USE_XIM
986	/* INTPROTO */
987	void
988	rxvt_setSize(pR_ XRectangle * size)
989	{
990	size->x = R->TermWin.int_bwidth;
991	size->y = R->TermWin.int_bwidth;
992	size->width = Width2Pixel(R->TermWin.ncol);
993	size->height = Height2Pixel(R->TermWin.nrow);
994	}
995		1147
996	/* INTPROTO */
997	void	1148	void
998	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1149	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
999	{	1150	{
1000	*fg = R->PixColors[Color_fg];	1151	fg = pix_colors[Color_fg];
1001	*bg = R->PixColors[Color_bg];	1152	bg = pix_colors[Color_bg];
		1153	}
		1154
		1155	void
		1156	rxvt_term::im_set_size (XRectangle &size)
		1157	{
		1158	// the int_bwidth terms make no sense to me
		1159	size.x = int_bwidth;
		1160	size.y = int_bwidth;
		1161	size.width = Width2Pixel (ncol) + int_bwidth;
		1162	size.height = Height2Pixel (nrow) + int_bwidth;
		1163	}
		1164
		1165	void
		1166	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1167	XRectangle &status_rect,
		1168	const XRectangle &needed_rect)
		1169	{
		1170	preedit_rect.x = needed_rect.width;
		1171	preedit_rect.y = 0;
		1172	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1173	preedit_rect.height = fheight;
		1174
		1175	status_rect.x = 0;
		1176	status_rect.y = 0;
		1177	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1178	status_rect.height = fheight;
1002	}	1179	}
1003		1180
1004	/* Checking whether input method is running. */	1181	/* Checking whether input method is running. */
1005	/* INTPROTO */
1006	Bool	1182	bool
1007	rxvt_IMisRunning(pR)	1183	rxvt_term::IMisRunning ()
1008	{	1184	{
1009	char *p;	1185	char *p;
1010	Atom atom;	1186	Atom atom;
1011	Window win;	1187	Window win;
1012	char server[IMBUFSIZ];	1188	char server[IMBUFSIZ];
1013		1189
1014	/* get current locale modifier */	1190	/* get current locale modifier */
1015	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1191	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1192	{
1016	STRCPY(server, "@server=");	1193	strcpy (server, "@server=");
1017	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1194	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1195
1018	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1196	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1019	*p = '\0';	1197	*p = '\0';
1020		1198
1021	atom = XInternAtom(R->Xdisplay, server, False);	1199	atom = XInternAtom (display->display, server, False);
1022	win = XGetSelectionOwner(R->Xdisplay, atom);	1200	win = XGetSelectionOwner (display->display, atom);
		1201
1023	if (win != None)	1202	if (win != None)
1024	return True;	1203	return True;
1025	}	1204	}
		1205
1026	return False;	1206	return False;
1027	}	1207	}
1028		1208
1029	/* EXTPROTO */
1030	void	1209	void
1031	rxvt_IMSendSpot(pR)	1210	rxvt_term::IMSendSpot ()
1032	{	1211	{
1033	XPoint spot;	1212	XPoint nspot;
1034	XVaNestedList preedit_attr;	1213	XVaNestedList preedit_attr;
1035		1214
1036	if (R->Input_Context == NULL	1215	if (!Input_Context
		1216	|| !focus
1037	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1217	|| !(input_style & XIMPreeditPosition))
1038	|| !(R->event_type == KeyPress
1039	|| R->event_type == Expose
1040	|| R->event_type == NoExpose
1041	|| R->event_type == SelectionNotify
1042	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1043	|| !rxvt_IMisRunning(aR))
1044	return;	1218	return;
1045		1219
1046	rxvt_setPosition(aR_ & spot);	1220	im_set_position (nspot);
1047		1221
		1222	if (nspot.x == spot.x && nspot.y == spot.y)
		1223	return;
		1224
		1225	spot = nspot;
		1226
1048	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1227	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1049	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1228	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1050	XFree(preedit_attr);	1229	XFree (preedit_attr);
1051	}	1230	}
1052		1231
1053	/* EXTPROTO */
1054	void	1232	void
1055	rxvt_setTermFontSet(pR_ int idx)	1233	rxvt_term::im_destroy ()
1056	{	1234	{
1057	char *string;	1235	if (input_method)
1058	long length;
1059	int success = 0;
1060
1061	if (idx < 0 || idx >= MAX_NFONTS)
1062	return;
1063	}
1064
1065	/* INTPROTO */
1066	void
1067	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1068	XRectangle * needed_rect)
1069	{
1070	int mbh, vtx = 0;
1071
1072	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1073	vtx = scrollbar_TotalWidth();
1074	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1075	mbh -= R->TermWin.lineSpace;
1076
1077	preedit_rect->x = needed_rect->width + vtx;
1078	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1079
1080	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1081	+ vtx;
1082	preedit_rect->height = Height2Pixel(1);
1083
1084	status_rect->x = vtx;
1085	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1086
1087	status_rect->width = needed_rect->width ? needed_rect->width
1088	: Width2Pixel(R->TermWin.ncol + 1);
1089	status_rect->height = Height2Pixel(1);
1090	}
1091
1092	/* ARGSUSED */
1093	/* INTPROTO */
1094	void
1095	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1096	__attribute__ ((unused)), XPointer call_data
1097	__attribute__ ((unused)))
1098	{
1099	dR;
1100
1101	R->Input_Context = NULL;
1102	/* To avoid Segmentation Fault in C locale: Solaris only? */
1103	if (STRCMP(R->locale, "C"))
1104	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1105	rxvt_IMInstantiateCallback, NULL);
1106	}
1107
1108	/*
1109	* X manual pages and include files don't match on some systems:
1110	* some think this is an XIDProc and others an XIMProc so we can't
1111	* use the first argument - need to update this to be nice for
1112	* both types via some sort of configure detection
1113	*/
1114	/* ARGSUSED */
1115	/* EXTPROTO */
1116	void
1117	rxvt_IMInstantiateCallback(Display * unused
1118	__attribute__ ((unused)), XPointer client_data
1119	__attribute__ ((unused)), XPointer call_data
1120	__attribute__ ((unused)))
1121	{
1122	dR;
1123	int i, found, had_im;
1124	const char *p;
1125	char **s;
1126	char buf[IMBUFSIZ];
1127
1128	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1129	if (R->Input_Context)
1130	return;
1131
1132	found = had_im = 0;
1133	p = R->rs[Rs_inputMethod];
1134	if (p && *p) {
1135	had_im = 1;
1136	s = rxvt_splitcommastring(p);
1137	for (i = 0; s[i]; i++) {
1138	if (*s[i]) {
1139	STRCPY(buf, "@im=");
1140	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1141	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1142	&& (rxvt_IM_get_IC(aR) == True)) {
1143	found = 1;
1144	break;
1145	}
1146	}
1147	}
1148	for (i = 0; s[i]; i++)
1149	free(s[i]);
1150	free(s);
1151	}	1236	{
1152	if (found)	1237	if (Input_Context && input_method->xim)
1153	return;	1238	XDestroyIC (Input_Context);
1154		1239
1155	/* try with XMODIFIERS env. var. */	1240	display->put_xim (input_method);
1156	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1241	input_method = 0;
1157	rxvt_IM_get_IC(aR);
1158	return;
1159	}	1242	}
1160		1243
1161	/* try with no modifiers base IF the user didn't specify an IM */	1244	Input_Context = 0;
1162	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1163	&& rxvt_IM_get_IC(aR) == True)
1164	return;
1165	}	1245	}
1166		1246
1167	/*	1247	/*
1168	* Try to open a XIM with the current modifiers, then see if we can	1248	* Try to open a XIM with the current modifiers, then see if we can
1169	* open a suitable preedit type	1249	* open a suitable preedit type
1170	*/	1250	*/
1171	/* INTPROTO */
1172	Bool	1251	bool
1173	rxvt_IM_get_IC(pR)	1252	rxvt_term::IM_get_IC (const char *modifiers)
1174	{	1253	{
1175	int i, j, found;	1254	int i, j, found;
1176	XIM xim;	1255	XIM xim;
1177	XPoint spot;	1256	XPoint spot;
1178	XRectangle rect, status_rect, needed_rect;	1257	XRectangle rect, status_rect, needed_rect;
1179	unsigned long fg, bg;	1258	unsigned long fg, bg;
1180	const char *p;	1259	const char *p;
1181	char **s;	1260	char **s;
1182	XIMStyles *xim_styles;	1261	XIMStyles *xim_styles;
1183	XVaNestedList preedit_attr, status_attr;
1184	XIMCallback ximcallback;
1185		1262
1186	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1263	set_environ (envv);
1187	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1264
1188	if (xim == NULL)	1265	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1189	return False;	1266	return false;
1190		1267
		1268	input_method = display->get_xim (locale, modifiers);
		1269	if (input_method == NULL)
		1270	return false;
		1271
		1272	xim = input_method->xim;
		1273	spot.x = spot.y = -1;
		1274
1191	xim_styles = NULL;	1275	xim_styles = NULL;
1192	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1276	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1193	|| !xim_styles || !xim_styles->count_styles) {	1277	|| !xim_styles || !xim_styles->count_styles)
1194	XCloseIM(xim);	1278	{
		1279	im_destroy ();
1195	return False;	1280	return false;
		1281	}
		1282
		1283	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1284
		1285	for (int pi = 0; pi < 2; pi++)
1196	}	1286	{
		1287	p = pet[pi];
1197		1288
1198	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1289	if (!p)
1199	: "OverTheSpot,OffTheSpot,Root";	1290	continue;
		1291
1200	s = rxvt_splitcommastring(p);	1292	s = rxvt_splitcommastring (p);
		1293
1201	for (i = found = 0; !found && s[i]; i++) {	1294	for (i = found = 0; !found && s[i]; i++)
		1295	{
1202	if (!STRCMP(s[i], "OverTheSpot"))	1296	if (!strcmp (s[i], "OverTheSpot"))
1203	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1297	input_style = (XIMPreeditPosition | XIMStatusNothing);
1204	else if (!STRCMP(s[i], "OffTheSpot"))	1298	else if (!strcmp (s[i], "OffTheSpot"))
1205	R->input_style = (XIMPreeditArea | XIMStatusArea);	1299	input_style = (XIMPreeditArea | XIMStatusArea);
1206	else if (!STRCMP(s[i], "Root"))	1300	else if (!strcmp (s[i], "Root"))
1207	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1301	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1302	else if (!strcmp (s[i], "None"))
		1303	input_style = (XIMPreeditNone | XIMStatusNone);
1208		1304
1209	for (j = 0; j < xim_styles->count_styles; j++)	1305	for (j = 0; j < xim_styles->count_styles; j++)
1210	if (R->input_style == xim_styles->supported_styles[j]) {	1306	if (input_style == xim_styles->supported_styles[j])
		1307	{
		1308	rxvt_freecommastring (s);
		1309
1211	found = 1;	1310	found = 1;
		1311	goto foundpet;
		1312	}
		1313
		1314	}
		1315
		1316	rxvt_freecommastring (s);
		1317	}
		1318
		1319	foundpet:
		1320
		1321	XFree (xim_styles);
		1322
		1323	if (!found)
		1324	{
		1325	im_destroy ();
		1326	return false;
		1327	}
		1328
		1329	XFontSet fs = 0;
		1330	XVaNestedList preedit_attr = 0, status_attr = 0;
		1331
		1332	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1333	{
		1334	// fake us a font-set, please
		1335	char **missing_charset_list;
		1336	int missing_charset_count;
		1337	char *def_string;
		1338	char pat[512];
		1339
		1340	sprintf (pat,
		1341	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1342	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1343	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1344	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1345	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1346	"*",
		1347	fheight,
		1348	fheight + 1, fheight - 1,
		1349	fheight - 2, fheight + 2);
		1350
		1351	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1352	&missing_charset_list, &missing_charset_count, &def_string);
		1353
		1354	if (missing_charset_list)
		1355	XFreeStringList (missing_charset_list);
		1356
		1357	if (!fs)
		1358	{
		1359	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1360	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1361	}
		1362	}
		1363
		1364	if (input_style & XIMPreeditPosition)
		1365	{
		1366	im_set_size (rect);
		1367	im_set_position (spot);
		1368	im_set_color (fg, bg);
		1369
		1370	preedit_attr = XVaCreateNestedList (0,
		1371	XNForeground, fg,
		1372	XNBackground, bg,
		1373	XNArea, &rect,
		1374	XNSpotLocation, &spot,
		1375	XNFontSet, fs,
		1376	NULL);
		1377	}
		1378	else if (input_style & XIMPreeditArea)
		1379	{
		1380	im_set_color (fg, bg);
		1381
		1382	/*
		1383	* The necessary width of preedit area is unknown
		1384	* until create input context.
		1385	*/
		1386	needed_rect.width = 0;
		1387	im_set_preedit_area (rect, status_rect, needed_rect);
		1388
		1389	preedit_attr = XVaCreateNestedList (0,
		1390	XNForeground, fg,
		1391	XNBackground, bg,
		1392	XNArea, &rect,
		1393	XNFontSet, fs,
		1394	NULL);
		1395	status_attr = XVaCreateNestedList (0,
		1396	XNForeground, fg,
		1397	XNBackground, bg,
		1398	XNArea, &status_rect,
		1399	XNFontSet, fs,
		1400	NULL);
		1401	}
		1402
		1403	Input_Context = XCreateIC (xim,
		1404	XNInputStyle, input_style,
		1405	XNClientWindow, vt,
		1406	XNFocusWindow, parent[0],
		1407	preedit_attr ? XNPreeditAttributes : NULL,
		1408	preedit_attr,
		1409	status_attr ? XNStatusAttributes : NULL,
		1410	status_attr, NULL);
		1411
		1412	if (preedit_attr) XFree (preedit_attr);
		1413	if (status_attr) XFree (status_attr);
		1414	if (fs) XFreeFontSet (display->display, fs);
		1415
		1416	if (Input_Context == NULL)
		1417	{
		1418	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1419	im_destroy ();
		1420	return false;
		1421	}
		1422
		1423	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1424	vt_select_input ();
		1425
		1426	if (input_style & XIMPreeditArea)
		1427	IMSetStatusPosition ();
		1428
		1429	return true;
		1430	}
		1431
		1432	void
		1433	rxvt_term::im_cb ()
		1434	{
		1435	int i;
		1436	const char *p;
		1437	char **s;
		1438	char buf[IMBUFSIZ];
		1439
		1440	make_current ();
		1441
		1442	im_destroy ();
		1443
		1444	if (Input_Context)
		1445	return;
		1446
		1447	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1448	if (rs[Rs_imLocale])
		1449	SET_LOCALE (rs[Rs_imLocale]);
		1450	#endif
		1451
		1452	p = rs[Rs_inputMethod];
		1453	if (p && *p)
		1454	{
		1455	bool found = false;
		1456
		1457	s = rxvt_splitcommastring (p);
		1458
		1459	for (i = 0; s[i]; i++)
		1460	{
		1461	if (*s[i])
		1462	{
		1463	strcpy (buf, "@im=");
		1464	strncat (buf, s[i], IMBUFSIZ - 5);
		1465	if (IM_get_IC (buf))
		1466	{
		1467	found = true;
1212	break;	1468	break;
		1469	}
1213	}	1470	}
1214	}	1471	}
1215	for (i = 0; s[i]; i++)
1216	free(s[i]);
1217	free(s);
1218	XFree(xim_styles);
1219		1472
		1473	rxvt_freecommastring (s);
		1474
1220	if (!found) {	1475	if (found)
1221	XCloseIM(xim);	1476	goto done;
1222	return False;
1223	}	1477	}
1224		1478
1225	ximcallback.callback = rxvt_IMDestroyCallback;	1479	/* try with XMODIFIERS env. var. */
		1480	if (IM_get_IC (""))
		1481	goto done;
1226		1482
1227	/* XXX: not sure why we need this (as well as IC one below) */	1483	/* try with no modifiers base IF the user didn't specify an IM */
1228	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1484	if (IM_get_IC ("@im=none"))
		1485	goto done;
1229		1486
1230	preedit_attr = status_attr = NULL;	1487	done:
1231		1488	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1232	if (R->input_style & XIMPreeditPosition) {	1489	if (rs[Rs_imLocale])
1233	rxvt_setSize(aR_ & rect);	1490	SET_LOCALE (locale);
1234	rxvt_setPosition(aR_ & spot);	1491	#endif
1235	rxvt_setColor(aR_ & fg, &bg);
1236
1237	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1238	XNSpotLocation, &spot,
1239	XNForeground, fg, XNBackground, bg,
1240	//XNFontSet, R->TermWin.fontset,
1241	NULL);
1242	} else if (R->input_style & XIMPreeditArea) {
1243	rxvt_setColor(aR_ & fg, &bg);
1244
1245	/*
1246	* The necessary width of preedit area is unknown
1247	* until create input context.
1248	*/
1249	needed_rect.width = 0;
1250
1251	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1252
1253	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1254	XNForeground, fg, XNBackground, bg,
1255	//XNFontSet, R->TermWin.fontset,
1256	NULL);
1257	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1258	XNForeground, fg, XNBackground, bg,
1259	//XNFontSet, R->TermWin.fontset,
1260	NULL);
1261	}
1262	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1263	XNClientWindow, R->TermWin.parent[0],
1264	XNFocusWindow, R->TermWin.parent[0],
1265	XNDestroyCallback, &ximcallback,
1266	preedit_attr ? XNPreeditAttributes : NULL,
1267	preedit_attr,
1268	status_attr ? XNStatusAttributes : NULL,
1269	status_attr, NULL);
1270	if (preedit_attr)
1271	XFree(preedit_attr);
1272	if (status_attr)
1273	XFree(status_attr);
1274	if (R->Input_Context == NULL) {
1275	rxvt_print_error("failed to create input context");
1276	XCloseIM(xim);
1277	return False;
1278	}
1279	if (R->input_style & XIMPreeditArea)
1280	rxvt_IMSetStatusPosition(aR);
1281	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1282	return True;
1283	}	1492	}
1284		1493
1285	/* EXTPROTO */
1286	void	1494	void
1287	rxvt_IMSetStatusPosition(pR)	1495	rxvt_term::IMSetStatusPosition ()
1288	{	1496	{
1289	XRectangle preedit_rect, status_rect, *needed_rect;	1497	XRectangle preedit_rect, status_rect, *needed_rect;
1290	XVaNestedList preedit_attr, status_attr;	1498	XVaNestedList preedit_attr, status_attr;
1291		1499
1292	if (R->Input_Context == NULL	1500	if (!Input_Context
		1501	|| !focus
1293	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1502	|| !(input_style & XIMPreeditArea)
1294	|| !rxvt_IMisRunning(aR))	1503	|| !IMisRunning ())
1295	return;	1504	return;
1296		1505
1297	/* Getting the necessary width of preedit area */	1506	/* Getting the necessary width of preedit area */
1298	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1507	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1299	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1508	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1300	XFree(status_attr);	1509	XFree (status_attr);
1301		1510
1302	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1511	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1512	XFree (needed_rect);
1303		1513
1304	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1514	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1305	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1515	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1306		1516
1307	XSetICValues(R->Input_Context,	1517	XSetICValues (Input_Context,
1308	XNPreeditAttributes, preedit_attr,	1518	XNPreeditAttributes, preedit_attr,
1309	XNStatusAttributes, status_attr, NULL);	1519	XNStatusAttributes, status_attr, NULL);
1310		1520
1311	XFree(preedit_attr);	1521	XFree (preedit_attr);
1312	XFree(status_attr);	1522	XFree (status_attr);
1313	}	1523	}
1314	#endif /* USE_XIM */	1524	#endif /* USE_XIM */
1315		1525
1316	/*----------------------------------------------------------------------*/
1317	rxvt_t rxvt_current_term;
1318
1319	/*----------------------- end-of-file (C source) -----------------------*/	1526	/*----------------------- end-of-file (C source) -----------------------*/

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