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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.19 by pcg, Wed Dec 24 09:22:29 2003 UTC vs.
Revision 1.198 by root, Tue Jan 24 16:57:42 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.19 2003/12/24 09:22:29 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
47	#include <cstring>	51	vector<rxvt_term *> rxvt_term::termlist;
48		52
		53	// used to tell global functions which terminal instance is "active"
		54	rxvt_t rxvt_current_term;
		55
49	static char curlocale[128];	56	static char curlocale[128], savelocale[128];
50		57
51	void	58	bool
52	rxvt_set_locale (const char *locale)	59	rxvt_set_locale (const char *locale) NOTHROW
53	{	60	{
54	if (locale && STRNCMP (locale, curlocale, 128))	61	if (!locale || !strncmp (locale, curlocale, 128))
55	{	62	return false;
		63
56	STRNCPY (curlocale, locale, 128);	64	strncpy (curlocale, locale, 128);
57	setlocale (LC_CTYPE, curlocale);	65	setlocale (LC_CTYPE, curlocale);
58	}	66	return true;
59	}	67	}
60		68
61	void *	69	void
62	rxvt_term::operator new (size_t s)	70	rxvt_push_locale (const char *locale) NOTHROW
63	{	71	{
64	void *p = malloc (s);	72	strcpy (savelocale, curlocale);
		73	rxvt_set_locale (locale);
		74	}
65		75
66	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
67	return p;	141	return len;
68	}
69		142
70	void
71	rxvt_term::operator delete (void *p, size_t s)
72	{
73	free (p);
74	}	143	}
		144	#endif
75		145
76	rxvt_term::rxvt_term ()	146	rxvt_term::rxvt_term ()
77	: destroy_ev (this, &rxvt_term::destroy_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
78	#ifdef CURSOR_BLINK	154	#ifdef CURSOR_BLINK
		155	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		156	#endif
		157	#ifdef TEXT_BLINK
79	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),
80	#endif	168	#endif
81	#ifdef POINTER_BLANK	169	#ifdef POINTER_BLANK
82	pointer_ev (this, &rxvt_term::pointer_cb),	170	pointer_ev (this, &rxvt_term::pointer_cb),
83	#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),
84	x_ev (this, &rxvt_term::x_cb),	179	vt_ev (this, &rxvt_term::x_cb),
		180	child_ev (this, &rxvt_term::child_cb),
85	check_ev (this, &rxvt_term::check_cb),	181	check_ev (this, &rxvt_term::check_cb),
		182	flush_ev (this, &rxvt_term::flush_cb),
		183	destroy_ev (this, &rxvt_term::destroy_cb),
		184	pty_ev (this, &rxvt_term::pty_cb),
86	incr_ev (this, &rxvt_term::incr_cb),	185	incr_ev (this, &rxvt_term::incr_cb)
87	pty_ev (this, &rxvt_term::pty_cb)
88	{	186	{
89	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;
90	}	204	}
91		205
92	rxvt_term::~rxvt_term ()	206	rxvt_term::~rxvt_term ()
93	{	207	{
		208	termlist.erase (find (termlist.begin (), termlist.end(), this));
		209
		210	emergency_cleanup ();
		211
		212	#if ENABLE_STYLES
		213	for (int i = RS_styleCount; --i; )
		214	if (fontset[i] != fontset[0])
		215	delete fontset[i];
		216	#endif
		217	delete fontset[0];
		218
		219	if (display)
		220	{
		221	dDisp;
		222
		223	selection_clear ();
		224
		225	#ifdef USE_XIM
		226	im_destroy ();
		227	#endif
		228	#ifdef XTERM_SCROLLBAR
		229	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		230	if (ShadowGC) XFreeGC (disp, ShadowGC);
		231	#endif
		232	#ifdef PLAIN_SCROLLBAR
		233	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		234	#endif
		235	#ifdef NEXT_SCROLLBAR
		236	if (blackGC) XFreeGC (disp, blackGC);
		237	if (whiteGC) XFreeGC (disp, whiteGC);
		238	if (grayGC) XFreeGC (disp, grayGC);
		239	if (darkGC) XFreeGC (disp, darkGC);
		240	if (stippleGC) XFreeGC (disp, stippleGC);
		241	if (dimple) XFreePixmap (disp, dimple);
		242	if (upArrow) XFreePixmap (disp, upArrow);
		243	if (downArrow) XFreePixmap (disp, downArrow);
		244	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		245	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		246	#endif
		247	#ifdef RXVT_SCROLLBAR
		248	if (topShadowGC) XFreeGC (disp, topShadowGC);
		249	if (botShadowGC) XFreeGC (disp, botShadowGC);
		250	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		251	#endif
		252	if (gc) XFreeGC (disp, gc);
		253
		254	delete drawable;
		255	// destroy all windows
		256	if (parent[0])
		257	XDestroyWindow (disp, parent[0]);
		258	}
		259
		260	// TODO: free pixcolours, colours should become part of rxvt_display
		261	delete pix_colors_focused;
		262	#if OFF_FOCUS_FADING
		263	delete pix_colors_unfocused;
		264	#endif
		265
		266	displays.put (display);
		267
94	scr_release ();	268	scr_release ();
95		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);
96	free (locale);	280	free (locale);
97	free (codeset);	281	free (v_buffer);
		282	free (incr_buf);
98		283
99	#ifndef NO_SETOWNER_TTYDEV	284	delete envv;
100	rxvt_privileged_ttydev (this, RESTORE);	285	delete argv;
101	#endif
102	#ifdef UTMP_SUPPORT
103	rxvt_privileged_utmp (this, RESTORE);
104	#endif
105	#ifdef USE_XIM
106	if (Input_Context != NULL)
107	{
108	XDestroyIC (Input_Context);
109	Input_Context = NULL;
110	}
111	#endif
112		286
113	if (cmd_fd >= 0)	287	#ifdef KEYSYM_RESOURCE
114	close (cmd_fd);	288	delete keyboard;
		289	#endif
		290	}
115		291
116	if (Xfd >= 0)	292	// child has exited, usually destroys
117	XCloseDisplay (Xdisplay);	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));
118		297
119	delete PixColors;	298	cmd_pid = 0;
		299
		300	if (!OPTION (Opt_hold))
		301	destroy ();
120	}	302	}
121		303
122	void	304	void
123	rxvt_term::destroy ()	305	rxvt_term::destroy ()
124	{	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
125	check_ev.stop ();	333	check_ev.stop ();
126	pty_ev.stop ();	334	pty_ev.stop ();
127	x_ev.stop ();
128	#ifdef CURSOR_BLINK	335	#ifdef CURSOR_BLINK
		336	cursor_blink_ev.stop ();
		337	#endif
		338	#ifdef TEXT_BLINK
129	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 ();
130	#endif	346	#endif
131	#ifdef POINTER_BLANK	347	#ifdef POINTER_BLANK
132	pointer_ev.stop ();	348	pointer_ev.stop ();
133	#endif	349	#endif
134		350
…		…
136	}	352	}
137		353
138	void	354	void
139	rxvt_term::destroy_cb (time_watcher &w)	355	rxvt_term::destroy_cb (time_watcher &w)
140	{	356	{
141	SET_R (this);	357	make_current ();
142		358
143	delete this;	359	delete this;
144	}
145
146	/*----------------------------------------------------------------------*/
147	/* rxvt_init() */
148	/* LIBPROTO */
149	rxvt_t
150	rxvt_init (int argc, const char *const *argv)
151	{
152	SET_R (new rxvt_term);
153	dR;
154
155	if (!R->init_vars () || !R->init (argc, argv))
156	{
157	delete R;
158	return NULL;
159	}
160
161	return R;
162	}
163
164	/* EXTPROTO */
165	void
166	rxvt_init_signals ()
167	{
168	/* install exit handler for cleanup */
169	#if 0
170	#ifdef HAVE_ATEXIT
171	atexit(rxvt_clean_exit);
172	#else
173	#endif
174	#endif
175
176	struct sigaction sa;
177
178	sigfillset (&sa.sa_mask);
179	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
180	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
181	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
182	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
183	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
184	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
185	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
186
187	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
188	/* signal (SIGURG, SIG_DFL); */
189
190	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
191	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
192	}
193
194	bool
195	rxvt_term::init (int argc, const char *const *argv)
196	{
197	/*
198	* Save and then give up any super-user privileges
199	* If we need privileges in any area then we must specifically request it.
200	* We should only need to be root in these cases:
201	* 1. write utmp entries on some systems
202	* 2. chown tty on some systems
203	*/
204	rxvt_privileges (this, SAVE);
205	rxvt_privileges (this, IGNORE);
206
207	init_secondary ();
208
209	const char **cmd_argv = init_resources (argc, argv);
210
211	set_locale ("");
212
213	#if (MENUBAR_MAX)
214	rxvt_menubar_read (this, rs[Rs_menu]);
215	#endif
216	#ifdef HAVE_SCROLLBARS
217	if (Options & Opt_scrollBar)
218	scrollBar.setIdle (); /* set existence for size calculations */
219	#endif
220
221	create_windows (argc, argv);
222
223	init_xlocale ();
224
225	scr_reset (); /* initialize screen */
226	#ifdef RXVT_GRAPHICS
227	rxvt_Gr_reset (this); /* reset graphics */
228	#endif
229
230	#if 0
231	#ifdef DEBUG_X
232	XSynchronize(Xdisplay, True);
233	#endif
234	#endif
235
236	#ifdef HAVE_SCROLLBARS
237	if (Options & Opt_scrollBar)
238	resize_scrollbar (); /* create and map scrollbar */
239	#endif
240	#if (MENUBAR_MAX)
241	if (menubar_visible(r))
242	XMapWindow (Xdisplay, menuBar.win);
243	#endif
244	#ifdef TRANSPARENT
245	if (Options & Opt_transparent)
246	{
247	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
248	rxvt_check_our_parents (this);
249	}
250	#endif
251	XMapWindow (Xdisplay, TermWin.vt);
252	XMapWindow (Xdisplay, TermWin.parent[0]);
253
254	init_env ();
255	init_command (cmd_argv);
256
257	x_ev.start (Xfd, EVENT_READ);
258	pty_ev.start (cmd_fd, EVENT_READ);
259
260	check_ev.start ();
261
262	process_x_events ();
263
264	return true;
265	}
266
267	/* ------------------------------------------------------------------------- *
268	* SIGNAL HANDLING & EXIT HANDLER *
269	* ------------------------------------------------------------------------- */
270	/*
271	* Catch a SIGCHLD signal and exit if the direct child has died
272	*/
273	/* ARGSUSED */
274	/* EXTPROTO */
275	RETSIGTYPE
276	rxvt_Child_signal(int sig __attribute__ ((unused)))
277	{
278	int pid, save_errno = errno;
279	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
280	;
281	errno = save_errno;
282
283	#if 0
284	if (pid == R->cmd_pid)
285	exit (EXIT_SUCCESS);
286	#endif
287	}
288
289	/*
290	* Catch a fatal signal and tidy up before quitting
291	*/
292	/* EXTPROTO */
293	RETSIGTYPE
294	rxvt_Exit_signal(int sig)
295	{
296	signal(sig, SIG_DFL);
297	#ifdef DEBUG_CMD
298	rxvt_print_error("signal %d", sig);
299	#endif
300	rxvt_clean_exit();
301	kill(getpid(), sig);
302	}
303
304	/* ARGSUSED */
305	/* INTPROTO */
306	int
307	rxvt_xerror_handler(const Display * display
308	__attribute__ ((unused)), const XErrorEvent * event)
309	{
310	dR;
311
312	if (R->allowedxerror == -1)
313	R->allowedxerror = event->error_code;
314	else
315	{
316	rxvt_print_error("XError: Request: %d . %d, Error: %d",
317	event->request_code, event->minor_code,
318	event->error_code);
319
320	R->destroy ();
321	}
322
323	return 0;
324	}	360	}
325		361
326	/*----------------------------------------------------------------------*/	362	/*----------------------------------------------------------------------*/
327	/*	363	/*
328	* Exit gracefully, clearing the utmp entry and restoring tty attributes	364	* Exit gracefully, clearing the utmp entry and restoring tty attributes
329	* 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
330	*/	366	*/
331	/* 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	*/
332	void	532	void
333	rxvt_clean_exit ()	533	sig_term (sig_watcher &w)
334	{	534	{
335	dR;	535	#ifdef DEBUG_CMD
		536	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		537	#endif
		538	rxvt_emergency_cleanup ();
		539	signal (w.signum, SIG_DFL);
		540	kill (getpid (), w.signum);
		541	}
336		542
337	R->destroy ();	543	sig_handlers ()
		544	: sw_term (this, &sig_handlers::sig_term),
		545	sw_int (this, &sig_handlers::sig_term)
		546	{
		547	}
		548	} sig_handlers;
		549
		550	char **rxvt_environ; // startup environment
		551
		552	void
		553	rxvt_init ()
		554	{
		555	ptytty::init ();
		556
		557	rxvt_environ = environ;
		558
		559	signal (SIGHUP, SIG_IGN);
		560	signal (SIGPIPE, SIG_IGN);
		561
		562	sig_handlers.sw_term.start (SIGTERM);
		563	sig_handlers.sw_int.start (SIGINT);
		564
		565	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		566	/* signal (SIGURG, SIG_DFL); */
		567
		568	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		569	// TODO: handle this with exceptions and tolerate the memory loss
		570	XSetIOErrorHandler (rxvt_xioerror_handler);
		571
		572	XrmInitialize ();
338	}	573	}
339		574
340	/* ------------------------------------------------------------------------- *	575	/* ------------------------------------------------------------------------- *
341	* MEMORY ALLOCATION WRAPPERS *	576	* MEMORY ALLOCATION WRAPPERS *
342	* ------------------------------------------------------------------------- */	577	* ------------------------------------------------------------------------- */
343	/* EXTPROTO */	578	void *
344	void *
345	rxvt_malloc(size_t size)	579	rxvt_malloc (size_t size)
346	{	580	{
347	void *p;
348
349	p = malloc(size);	581	void *p = malloc (size);
		582
350	if (p)	583	if (!p)
		584	rxvt_fatal ("memory allocation failure. aborting.\n");
		585
351	return p;	586	return p;
352
353	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
354	rxvt_clean_exit();
355	exit(EXIT_FAILURE);
356	/* NOTREACHED */
357	}	587	}
358		588
359	/* EXTPROTO */	589	void *
360	void *
361	rxvt_calloc(size_t number, size_t size)	590	rxvt_calloc (size_t number, size_t size)
362	{	591	{
363	void *p;
364
365	p = calloc(number, size);	592	void *p = calloc (number, size);
		593
366	if (p)	594	if (!p)
		595	rxvt_fatal ("memory allocation failure. aborting.\n");
		596
367	return p;	597	return p;
368
369	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
370	rxvt_clean_exit();
371	exit(EXIT_FAILURE);
372	/* NOTREACHED */
373	}	598	}
374		599
375	/* EXTPROTO */	600	void *
376	void *
377	rxvt_realloc(void *ptr, size_t size)	601	rxvt_realloc (void *ptr, size_t size)
378	{	602	{
379	void *p;
380
381	if (ptr)
382	p = realloc(ptr, size);	603	void *p = realloc (ptr, size);
383	else	604
384	p = malloc(size);
385	if (p)	605	if (!p)
		606	rxvt_fatal ("memory allocation failure. aborting.\n");
		607
386	return p;	608	return p;
387
388	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
389	rxvt_clean_exit();
390	exit(EXIT_FAILURE);
391	/* NOTREACHED */
392	}	609	}
393
394	/* ------------------------------------------------------------------------- *
395	* PRIVILEGED OPERATIONS *
396	* ------------------------------------------------------------------------- */
397	/* take care of suid/sgid super-user (root) privileges */
398	/* INTPROTO */
399	void
400	rxvt_privileges(pR_ int mode)
401	{
402	#if ! defined(__CYGWIN32__)
403	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
404	/* setreuid() is the poor man's setuid(), seteuid() */
405	# define seteuid(a) setreuid(-1, (a))
406	# define setegid(a) setregid(-1, (a))
407	# define HAVE_SETEUID
408	# endif
409	# ifdef HAVE_SETEUID
410	switch (mode) {
411	case IGNORE:
412	/*
413	* change effective uid/gid - not real uid/gid - so we can switch
414	* back to root later, as required
415	*/
416	seteuid(getuid());
417	setegid(getgid());
418	break;
419	case SAVE:
420	R->euid = geteuid();
421	R->egid = getegid();
422	break;
423	case RESTORE:
424	seteuid(R->euid);
425	setegid(R->egid);
426	break;
427	}
428	# else
429	switch (mode) {
430	case IGNORE:
431	setuid(getuid());
432	setgid(getgid());
433	/* FALLTHROUGH */
434	case SAVE:
435	/* FALLTHROUGH */
436	case RESTORE:
437	break;
438	}
439	# endif
440	#endif
441	}
442
443	#ifdef UTMP_SUPPORT
444	/* EXTPROTO */
445	void
446	rxvt_privileged_utmp(pR_ char action)
447	{
448	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
449	action, R->next_utmp_action, getpid()));
450	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
451	|| (R->Options & Opt_utmpInhibit)
452	|| R->ttydev == NULL || *R->ttydev == '\0')
453	return;
454
455	rxvt_privileges(aR_ RESTORE);
456	if (action == SAVE) {
457	R->next_utmp_action = RESTORE;
458	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
459	} else { /* action == RESTORE */
460	R->next_utmp_action = IGNORE;
461	rxvt_cleanutent(aR);
462	}
463	rxvt_privileges(aR_ IGNORE);
464	}
465	#endif
466
467	#ifndef NO_SETOWNER_TTYDEV
468	/* EXTPROTO */
469	void
470	rxvt_privileged_ttydev(pR_ char action)
471	{
472	D_MAIN((stderr,
473	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
474	action, R->next_tty_action, getpid()));
475	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
476	|| R->ttydev == NULL || *R->ttydev == '\0')
477	return;
478
479	rxvt_privileges(aR_ RESTORE);
480
481	if (action == SAVE) {
482	R->next_tty_action = RESTORE;
483	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
484	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
485	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
486	R->next_tty_action = IGNORE;
487	else
488	# endif
489	{
490	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
491	chmod(R->ttydev, R->ttymode);
492	# ifdef HAVE_REVOKE
493	revoke(R->ttydev);
494	# endif
495	}
496	} else { /* action == RESTORE */
497	R->next_tty_action = IGNORE;
498	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
499	chmod(R->ttydev, R->ttyfd_stat.st_mode);
500	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
501	# else
502	chmod(R->ttydev,
503	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
504	chown(R->ttydev, 0, 0);
505	# endif
506	}
507
508	rxvt_privileges(aR_ IGNORE);
509
510	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
511	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
512	action == RESTORE ? "Restoring" : (action ==
513	SAVE ? "Saving" :
514	"UNKNOWN ERROR for"), R->ttydev,
515	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
516	R->ttyfd_stat.st_gid));
517	# endif
518	}
519	#endif
520		610
521	/*----------------------------------------------------------------------*/	611	/*----------------------------------------------------------------------*/
522	/*	612	/*
523	* window size/position calculcations for XSizeHint and other storage.	613	* window size/position calculcations for XSizeHint and other storage.
524	* if width/height are non-zero then override calculated width/height	614	* if width/height are non-zero then override calculated width/height
525	*/	615	*/
526	void	616	void
527	rxvt_term::window_calc (unsigned int width, unsigned int height)	617	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
528	{	618	{
529	short recalc_x, recalc_y;	619	short recalc_x, recalc_y;
530	int x, y, sb_w, mb_h, flags;	620	int x, y, sb_w, flags;
531	unsigned int w, h;	621	unsigned int w, h;
532	unsigned int max_width, max_height;	622	unsigned int max_width, max_height;
		623	dDisp;
533		624
534	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	625	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
535	TermWin.ncol, TermWin.nrow, szHint.width,	626	ncol, nrow, szHint.width, szHint.height));
536	szHint.height));	627
537	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	628	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
538	szHint.win_gravity = NorthWestGravity;	629	szHint.win_gravity = NorthWestGravity;
539	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	630	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
540		631
541	recalc_x = recalc_y = 0;	632	recalc_x = recalc_y = 0;
542	flags = 0;	633	flags = 0;
		634
543	if (!parsed_geometry) {	635	if (!parsed_geometry)
		636	{
544	parsed_geometry = 1;	637	parsed_geometry = 1;
		638
545	if (rs[Rs_geometry])	639	if (rs[Rs_geometry])
546	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	640	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		641
547	if (flags & WidthValue) {	642	if (flags & WidthValue)
548	TermWin.ncol = BOUND_POSITIVE_INT16(w);	643	{
		644	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
549	szHint.flags |= USSize;	645	szHint.flags |= USSize;
550	}	646	}
		647
551	if (flags & HeightValue) {	648	if (flags & HeightValue)
552	TermWin.nrow = BOUND_POSITIVE_INT16(h);	649	{
		650	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
553	szHint.flags |= USSize;	651	szHint.flags |= USSize;
554	}	652	}
		653
555	if (flags & XValue) {	654	if (flags & XValue)
		655	{
556	szHint.x = x;	656	szHint.x = x;
557	szHint.flags |= USPosition;	657	szHint.flags |= USPosition;
		658
558	if (flags & XNegative) {	659	if (flags & XNegative)
		660	{
559	recalc_x = 1;	661	recalc_x = 1;
560	szHint.win_gravity = NorthEastGravity;	662	szHint.win_gravity = NorthEastGravity;
561	}	663	}
562	}	664	}
		665
563	if (flags & YValue) {	666	if (flags & YValue)
		667	{
564	szHint.y = y;	668	szHint.y = y;
565	szHint.flags |= USPosition;	669	szHint.flags |= USPosition;
		670
566	if (flags & YNegative) {	671	if (flags & YNegative)
		672	{
567	recalc_y = 1;	673	recalc_y = 1;
		674
568	if (szHint.win_gravity == NorthEastGravity)	675	if (szHint.win_gravity == NorthEastGravity)
569	szHint.win_gravity = SouthEastGravity;	676	szHint.win_gravity = SouthEastGravity;
570	else	677	else
571	szHint.win_gravity = SouthWestGravity;	678	szHint.win_gravity = SouthWestGravity;
572	}	679	}
573	}	680	}
574	}	681	}
		682
575	/* TODO: BOUNDS */	683	/* TODO: BOUNDS */
576	TermWin.width = TermWin.ncol * TermWin.fwidth;	684	width = ncol * fwidth;
577	TermWin.height = TermWin.nrow * TermWin.fheight;	685	height = nrow * fheight;
578	max_width = MAX_COLS * TermWin.fwidth;	686	max_width = MAX_COLS * fwidth;
579	max_height = MAX_ROWS * TermWin.fheight;	687	max_height = MAX_ROWS * fheight;
580		688
581	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	689	szHint.base_width = szHint.base_height = 2 * int_bwidth;
582		690
583	sb_w = mb_h = 0;	691	sb_w = 0;
584	window_vt_x = window_vt_y = 0;	692	window_vt_x = window_vt_y = int_bwidth;
585	if (scrollbar_visible (this)) {	693
		694	if (scrollBar.state)
		695	{
586	sb_w = scrollbar_TotalWidth();	696	sb_w = scrollbar_TotalWidth ();
587	szHint.base_width += sb_w;	697	szHint.base_width += sb_w;
588	if (!(Options & Opt_scrollBar_right))	698	if (!OPTION (Opt_scrollBar_right))
589	window_vt_x = sb_w;	699	window_vt_x += sb_w;
590	}	700	}
591	if (menubar_visible (this)) {	701
592	mb_h = menuBar_TotalHeight();
593	szHint.base_height += mb_h;
594	window_vt_y = mb_h;
595	}
596	szHint.width_inc = TermWin.fwidth;	702	szHint.width_inc = fwidth;
597	szHint.height_inc = TermWin.fheight;	703	szHint.height_inc = fheight;
598	szHint.min_width = szHint.base_width + szHint.width_inc;	704	szHint.min_width = szHint.base_width + szHint.width_inc;
599	szHint.min_height = szHint.base_height + szHint.height_inc;	705	szHint.min_height = szHint.base_height + szHint.height_inc;
600		706
601	if (width && width - szHint.base_width < max_width) {	707	if (newwidth && newwidth - szHint.base_width < max_width)
		708	{
602	szHint.width = width;	709	szHint.width = newwidth;
603	TermWin.width = width - szHint.base_width;	710	width = newwidth - szHint.base_width;
604	} else {	711	}
605	MIN_IT(TermWin.width, max_width);	712	else
		713	{
		714	min_it (width, max_width);
606	szHint.width = szHint.base_width + TermWin.width;	715	szHint.width = szHint.base_width + width;
607	}	716	}
		717
608	if (height && height - szHint.base_height < max_height) {	718	if (newheight && newheight - szHint.base_height < max_height)
		719	{
609	szHint.height = height;	720	szHint.height = newheight;
610	TermWin.height = height - szHint.base_height;	721	height = newheight - szHint.base_height;
611	} else {	722	}
		723	else
		724	{
612	MIN_IT(TermWin.height, max_height);	725	min_it (height, max_height);
613	szHint.height = szHint.base_height + TermWin.height;	726	szHint.height = szHint.base_height + height;
614	}	727	}
615	if (scrollbar_visible (this) && (Options & Opt_scrollBar_right))	728
		729	if (scrollBar.state && OPTION (Opt_scrollBar_right))
616	window_sb_x = szHint.width - sb_w;	730	window_sb_x = szHint.width - sb_w;
617		731
618	if (recalc_x)	732	if (recalc_x)
619	szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay))	733	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
620	- szHint.width - 2 * TermWin.ext_bwidth);
621	if (recalc_y)	734	if (recalc_y)
622	szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay))	735	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
623	- szHint.height - 2 * TermWin.ext_bwidth);
624		736
625	TermWin.ncol = TermWin.width / TermWin.fwidth;	737	ncol = width / fwidth;
626	TermWin.nrow = TermWin.height / TermWin.fheight;	738	nrow = height / fheight;
627	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	739	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
628	TermWin.ncol, TermWin.nrow, szHint.width,	740	ncol, nrow, szHint.width,
629	szHint.height));	741	szHint.height));
630	return;	742	return;
631	}	743	}
632		744
633	/*----------------------------------------------------------------------*/	745	/*----------------------------------------------------------------------*/
634	/*	746	/*
635	* Tell the teletype handler what size the window is.	747	* Tell the teletype handler what size the window is.
636	* Called after a window size change.	748	* Called after a window size change.
637	*/	749	*/
638	void	750	void
639	rxvt_term::tt_winch ()	751	rxvt_term::tt_winch ()
640	{	752	{
641	struct winsize ws;	753	if (pty->pty < 0)
642
643	if (cmd_fd < 0)
644	return;	754	return;
645		755
		756	struct winsize ws;
		757
646	ws.ws_col = TermWin.ncol;	758	ws.ws_col = ncol;
647	ws.ws_row = TermWin.nrow;	759	ws.ws_row = nrow;
648	ws.ws_xpixel = ws.ws_ypixel = 0;	760	ws.ws_xpixel = width;
649	#ifndef DEBUG_SIZE	761	ws.ws_ypixel = height;
650	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	762	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
651	#else	763
652	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	764	#if 0
653	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	765	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
654	# ifdef SIGWINCH
655	else if (cmd_pid) /* force through to the command */	766	if (cmd_pid) /* force through to the command */
656	kill (cmd_pid, SIGWINCH);	767	kill (-cmd_pid, SIGWINCH);
657	# endif
658	#endif	768	#endif
659	}	769	}
660		770
661	/*----------------------------------------------------------------------*/	771	/*----------------------------------------------------------------------*/
662	/* rxvt_change_font() - Switch to a new font */	772	/* set_fonts () - load and set the various fonts
663	/*	773	*
664	* init = 1 - initialize	774	* init = 1 - initialize
665	*	775	*
666	* fontname == FONT_UP - switch to bigger font	776	* fontname == FONT_UP - switch to bigger font
667	* fontname == FONT_DN - switch to smaller font	777	* fontname == FONT_DN - switch to smaller font
668	*/	778	*/
669	/* EXTPROTO */	779	bool
670	void	780	rxvt_term::set_fonts ()
671	rxvt_change_font(pR_ int init, const char *fontname)
672	{	781	{
673	}	782	rxvt_fontset *fs = new rxvt_fontset (this);
		783	rxvt_fontprop prop;
674		784
675	/* INTPROTO */	785	if (!fs
676	void	786	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
677	rxvt_font_up_down(pR_ int n, int direction)	787	|| !fs->realize_font (1))
		788	{
		789	delete fs;
		790	return false;
		791	}
		792
		793	#if ENABLE_STYLES
		794	for (int i = RS_styleCount; --i; )
		795	if (fontset[i] != fontset[0])
		796	delete fontset[i];
		797	#endif
		798
		799	delete fontset[0];
		800	fontset[0] = fs;
		801
		802	prop = (*fs)[1]->properties ();
		803	prop.height += lineSpace;
		804	fs->set_prop (prop);
		805
		806	fwidth = prop.width;
		807	fheight = prop.height;
		808	fbase = prop.ascent;
		809
		810	for (int style = 1; style < 4; style++)
		811	{
		812	#if ENABLE_STYLES
		813	const char *res = rs[Rs_font + style];
		814
		815	if (res && !*res)
		816	fontset[style] = fontset[0];
		817	else
		818	{
		819	fontset[style] = fs = new rxvt_fontset (this);
		820	rxvt_fontprop prop2 = prop;
		821
		822	if (res)
		823	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		824	else
		825	{
		826	res = fontset[0]->fontdesc;
		827
		828	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		829	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		830	}
		831
		832	fs->populate (res);
		833	fs->set_prop (prop2);
		834	}
		835	#else
		836	fontset[style] = fontset[0];
		837	#endif
		838	}
		839
		840	if (parent[0])
		841	{
		842	resize_all_windows (0, 0, 0);
		843	scr_remap_chars ();
		844	scr_touch (true);
		845	}
		846
		847	return true;
		848	}
		849
		850	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
678	{	851	{
		852	XChangeProperty (display->display, parent[0],
		853	prop, XA_STRING, 8, PropModeReplace,
		854	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		855	}
		856
		857	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		858	{
		859	wchar_t *ws = rxvt_mbstowcs (str, len);
		860	char *s = rxvt_wcstoutf8 (ws);
		861
		862	XChangeProperty (display->display, parent[0],
		863	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		864	(const unsigned char *)s, strlen (s));
		865
		866	free (s);
		867	free (ws);
679	}	868	}
680		869
681	/*----------------------------------------------------------------------*/	870	/*----------------------------------------------------------------------*/
682	/*----------------------------------------------------------------------*/	871	/*----------------------------------------------------------------------*/
683	/* xterm sequences - title, iconName, color (exptl) */	872	/* xterm sequences - title, iconName, color (exptl) */
684	/* EXTPROTO */
685	void	873	void
686	rxvt_set_title(pR_ const char *str)	874	rxvt_term::set_title (const char *str)
687	{	875	{
688	#ifndef SMART_WINDOW_TITLE	876	set_string_property (XA_WM_NAME, str);
689	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	877	#if ENABLE_EWMH
		878	set_utf8_property (xa[XA_NET_WM_NAME], str);
		879	#endif
		880	}
		881
		882	void
		883	rxvt_term::set_icon_name (const char *str)
		884	{
		885	set_string_property (XA_WM_ICON_NAME, str);
		886	#if ENABLE_EWMH
		887	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		888	#endif
		889	}
		890
		891	#ifdef XTERM_COLOR_CHANGE
		892	void
		893	rxvt_term::set_window_color (int idx, const char *color)
		894	{
		895	rxvt_color xcol;
		896	int i;
		897
		898	if (color == NULL || *color == '\0')
		899	return;
		900
		901	/* handle color aliases */
		902	if (isdigit (*color))
		903	{
		904	i = atoi (color);
		905
		906	if (i >= 8 && i <= 15)
		907	{ /* bright colors */
		908	i -= 8;
		909	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		910	SET_PIXCOLOR (idx);
		911	goto done;
		912	}
		913
		914	if (i >= 0 && i <= 7)
		915	{ /* normal colors */
		916	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		917	SET_PIXCOLOR (idx);
		918	goto done;
		919	}
		920	}
		921
		922	if (!rXParseAllocColor (&xcol, color))
		923	return;
		924
		925	/* XStoreColor (display->display, display->cmap, XColor*); */
		926
		927	/*
		928	* FIXME: should free colors here, but no idea how to do it so instead,
		929	* so just keep gobbling up the colormap
		930	*/
		931	# if 0
		932	for (i = Color_Black; i <= Color_White; i++)
		933	if (pix_colors[idx] == pix_colors[i])
		934	break;
		935	if (i > Color_White)
		936	{
		937	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		938	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		939	DisplayPlanes (display->display, display->screen));
		940	}
		941	# endif
		942
		943	pix_colors_focused[idx] = xcol;
		944	SET_PIXCOLOR (idx);
		945
		946	/* XSetWindowAttributes attr; */
		947	/* Cursor cursor; */
		948	done:
		949
		950	#if OFF_FOCUS_FADING
		951	if (rs[Rs_fade])
		952	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		953	#endif
		954
		955	/*TODO: handle Color_BD, scrollbar background, etc. */
		956
		957	recolour_cursor ();
		958	scr_recolour ();
		959	}
		960
690	#else	961	#else
691	char *name;
692
693	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
694	name = NULL;
695	if (name == NULL || STRCMP(name, str))
696	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
697	if (name)
698	XFree(name);
699	#endif
700	}
701
702	/* EXTPROTO */
703	void
704	rxvt_set_iconName(pR_ const char *str)
705	{
706	#ifndef SMART_WINDOW_TITLE
707	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
708	#else
709	char *name;
710
711	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
712	name = NULL;
713	if (name == NULL || STRCMP(name, str))
714	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
715	if (name)
716	XFree(name);
717	#endif
718	}
719
720	#ifdef XTERM_COLOR_CHANGE
721	/* EXTPROTO */
722	void
723	rxvt_set_window_color(pR_ int idx, const char *color)
724	{
725	rxvt_color xcol;
726	int i;
727
728	if (color == NULL || *color == '\0')
729	return;
730
731	/* handle color aliases */
732	if (isdigit(*color)) {
733	i = atoi(color);
734	if (i >= 8 && i <= 15) { /* bright colors */
735	i -= 8;
736	# ifndef NO_BRIGHTCOLOR
737	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
738	SET_PIXCOLOR(R, idx);
739	goto Done;
740	# endif
741	}
742	if (i >= 0 && i <= 7) { /* normal colors */
743	R->PixColors[idx] = R->PixColors[minCOLOR + i];
744	SET_PIXCOLOR(R, idx);
745	goto Done;
746	}
747	}
748	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
749	return;
750	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
751
752	/*
753	* FIXME: should free colors here, but no idea how to do it so instead,
754	* so just keep gobbling up the colormap
755	*/
756	# if 0
757	for (i = Color_Black; i <= Color_White; i++)
758	if (R->PixColors[idx] == R->PixColors[i])
759	break;
760	if (i > Color_White) {
761	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
762	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
763	DisplayPlanes(R->Xdisplay, Xscreen));
764	}
765	# endif
766
767	R->PixColors[idx] = xcol;
768	SET_PIXCOLOR(R, idx);
769
770	/* XSetWindowAttributes attr; */
771	/* Cursor cursor; */
772	Done:
773	if (idx == Color_bg && !(R->Options & Opt_transparent))
774	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
775	R->PixColors[Color_bg]);
776
777	/* handle Color_BD, scrollbar background, etc. */
778
779	rxvt_set_colorfgbg (aR);
780	R->recolour_cursor ();
781	/* the only reasonable way to enforce a clean update */
782	rxvt_scr_poweron (aR);
783	}
784
785	#else
786	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	962	# define set_window_color (idx,color) ((void)0)
787	#endif /* XTERM_COLOR_CHANGE */	963	#endif /* XTERM_COLOR_CHANGE */
788		964
789	void	965	void
790	rxvt_term::recolour_cursor ()	966	rxvt_term::recolour_cursor ()
791	{	967	{
792	#if TODO
793	rxvt_color xcol[2];	968	XColor xcol[2];
794		969
795	xcol[0] = PixColors[Color_pointer];	970	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
796	xcol[1] = PixColors[Color_bg];	971	? pix_colors_focused[Color_pointer_fg]
797	XQueryColors (Xdisplay, XCMAP, xcol, 2);	972	: pix_colors_focused[Color_fg];
		973	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		974	? pix_colors_focused[Color_pointer_bg]
		975	: pix_colors_focused[Color_bg];
		976
		977	XQueryColors (display->display, display->cmap, xcol, 2);
798	XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1]));	978	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
799	#endif
800	}	979	}
801		980
802	/*----------------------------------------------------------------------*/	981	/*----------------------------------------------------------------------*/
803	/*	982	/*
804	* find if fg/bg matches any of the normal (low-intensity) colors	983	* find if fg/bg matches any of the normal (low-intensity) colors
805	*/	984	*/
806	/* INTPROTO */
807	void	985	void
808	rxvt_set_colorfgbg(pR)	986	rxvt_term::set_colorfgbg ()
809	{	987	{
810	unsigned int i;	988	unsigned int i;
811	const char *xpmb = "\0";	989	const char *xpmb = "\0";
812	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	990	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
813		991
814	R->env_colorfgbg =
815	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	992	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
816	STRCPY(fstr, "default");	993	strcpy (fstr, "default");
817	STRCPY(bstr, "default");	994	strcpy (bstr, "default");
818	for (i = Color_Black; i <= Color_White; i++)	995	for (i = Color_Black; i <= Color_White; i++)
819	if (R->PixColors[Color_fg] == R->PixColors[i]) {	996	if (pix_colors[Color_fg] == pix_colors[i])
		997	{
820	sprintf(fstr, "%d", (i - Color_Black));	998	sprintf (fstr, "%d", (i - Color_Black));
821	break;	999	break;
822	}	1000	}
		1001
823	for (i = Color_Black; i <= Color_White; i++)	1002	for (i = Color_Black; i <= Color_White; i++)
824	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1003	if (pix_colors[Color_bg] == pix_colors[i])
		1004	{
825	sprintf(bstr, "%d", (i - Color_Black));	1005	sprintf (bstr, "%d", (i - Color_Black));
826	#ifdef XPM_BACKGROUND	1006	#ifdef XPM_BACKGROUND
827	xpmb = "default;";	1007	xpmb = "default;";
828	#endif	1008	#endif
829	break;	1009	break;
830	}	1010	}
		1011
831	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1012	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
832	putenv(R->env_colorfgbg);
833
834	#ifndef NO_BRIGHTCOLOR
835	R->colorfgbg = DEFAULT_RSTYLE;
836	for (i = minCOLOR; i <= maxCOLOR; i++) {
837	if (R->PixColors[Color_fg] == R->PixColors[i])
838	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
839	if (R->PixColors[Color_bg] == R->PixColors[i])
840	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
841	}
842	#endif
843	}	1013	}
844		1014
845	/*----------------------------------------------------------------------*/	1015	/*----------------------------------------------------------------------*/
846	/*
847	* Colour determination for low colour displays, routine from
848	* Hans de Goede <hans@highrise.nl>
849	*/
850		1016
851	/* EXTPROTO */
852	int	1017	int
853	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1018	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
854	{	1019	{
855	screen_in_out->set(aR_ colour);
856
857	if (!screen_in_out->set(aR_ colour)) {	1020	if (!screen_in_out->set (display, colour))
858	rxvt_print_error("can't allocate colour: %s", colour);	1021	{
		1022	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
859	return false;	1023	return false;
860	}	1024	}
861		1025
862	return true;	1026	return true;
863	}	1027	}
864		1028
865	/* -------------------------------------------------------------------- *	1029	/* -------------------------------------------------------------------- *
866	* - WINDOW RESIZING - *	1030	* - WINDOW RESIZING - *
867	* -------------------------------------------------------------------- */	1031	* -------------------------------------------------------------------- */
868	void	1032	void
869	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1033	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
870	{	1034	{
871	int fix_screen;	1035	int fix_screen;
		1036	int old_width = szHint.width;
		1037	int old_height = szHint.height;
		1038	dDisp;
872		1039
873	#ifdef SMART_RESIZE
874	int old_width = szHint.width, old_height = szHint.height;
875	#endif
876
877	window_calc (width, height);	1040	window_calc (newwidth, newheight);
878	XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint);	1041	XSetWMNormalHints (disp, parent[0], &szHint);
		1042
879	if (!ignoreparent)	1043	if (!ignoreparent)
880	{	1044	{
881	#ifdef SMART_RESIZE	1045	#ifdef SMART_RESIZE
882	/*	1046	/*
883	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1047	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
886	int x, y, x1, y1;	1050	int x, y, x1, y1;
887	int dx, dy;	1051	int dx, dy;
888	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1052	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
889	Window unused_cr;	1053	Window unused_cr;
890		1054
891	XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot,	1055	XTranslateCoordinates (disp, parent[0], display->root,
892	0, 0, &x, &y, &unused_cr);	1056	0, 0, &x, &y, &unused_cr);
893	XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1,	1057	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
894	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1058	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
895	/*	1059	/*
896	* if Xroot isn't the parent window, a WM will probably have offset	1060	* if display->root isn't the parent window, a WM will probably have offset
897	* our position for handles and decorations. Counter it	1061	* our position for handles and decorations. Counter it
898	*/	1062	*/
899	if (x1 != x || y1 != y) {	1063	if (x1 != x || y1 != y)
		1064	{
900	x -= x1;	1065	x -= x1;
901	y -= y1;	1066	y -= y1;
902	}	1067	}
903		1068
904	x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2;	1069	x1 = (DisplayWidth (disp, display->screen) - old_width ) / 2;
905	y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2;	1070	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
906	dx = old_width - szHint.width;	1071	dx = old_width - szHint.width;
907	dy = old_height - szHint.height;	1072	dy = old_height - szHint.height;
908		1073
909	/* Check position of the center of the window */	1074	/* Check position of the center of the window */
910	if (x < x1) /* left half */	1075	if (x < x1) /* left half */
911	dx = 0;	1076	dx = 0;
912	else if (x == x1) /* exact center */	1077	else if (x == x1) /* exact center */
913	dx /= 2;	1078	dx /= 2;
914	if (y < y1) /* top half */	1079	if (y < y1) /* top half */
915	dy = 0;	1080	dy = 0;
916	else if (y == y1) /* exact center */	1081	else if (y == y1) /* exact center */
917	dy /= 2;	1082	dy /= 2;
918		1083
919	XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy,	1084	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
920	szHint.width, szHint.height);	1085	szHint.width, szHint.height);
921	#else	1086	#else
922	XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width,	1087	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
923	szHint.height);
924	#endif	1088	#endif
925	}	1089	}
926		1090
927	fix_screen = (TermWin.ncol != prev_ncol	1091	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
928	|| TermWin.nrow != prev_nrow);
929		1092
930	if (fix_screen || width != old_width || height != old_height)	1093	if (fix_screen || newwidth != old_width || newheight != old_height)
931	{	1094	{
932	if (scrollbar_visible (this))	1095	if (scrollBar.state)
933	{	1096	{
934	XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x,	1097	XMoveResizeWindow (disp, scrollBar.win,
		1098	window_sb_x, 0,
935	0, scrollbar_TotalWidth (), szHint.height);	1099	scrollbar_TotalWidth (), szHint.height);
936	resize_scrollbar ();	1100	resize_scrollbar ();
937	}	1101	}
938		1102
939	if (menubar_visible (this))	1103	XMoveResizeWindow (disp, vt,
940	XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x,	1104	window_vt_x, window_vt_y,
941	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
942
943	XMoveResizeWindow (Xdisplay, TermWin.vt, window_vt_x,
944	window_vt_y, TermWin_TotalWidth (),
945	TermWin_TotalHeight ());	1105	width, height);
946	#ifdef RXVT_GRAPHICS	1106
947	if (old_height)
948	rxvt_Gr_Resize (this, old_width - szHint.base_width,
949	old_height - szHint.base_height);
950	#endif
951	scr_clear ();	1107	scr_clear ();
952	#ifdef XPM_BACKGROUND	1108	#ifdef XPM_BACKGROUND
953	rxvt_resize_pixmap (this);	1109	resize_pixmap ();
954	#endif	1110	#endif
955	}	1111	}
956		1112
957	if (fix_screen || old_height == 0)	1113	if (fix_screen || old_height == 0)
958	{
959	int curr_screen = -1;
960	int old_ncol = prev_ncol;
961
962	/* scr_reset only works on the primary screen */
963	if (old_height) /* this is not the first time through */
964	{
965	unsigned int ncol = TermWin.ncol;
966	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
967	curr_screen = rxvt_scr_change_screen (this, PRIMARY);
968	TermWin.ncol = ncol;
969	}
970
971	scr_reset();	1114	scr_reset ();
972		1115
973	if (curr_screen >= 0) /* this is not the first time through */	1116	#ifdef XPM_BACKGROUND
974	{	1117	if (pixmap)
975	rxvt_scr_change_screen (this, curr_screen);	1118	scr_touch (false);
976	rxvt_selection_check (this, old_ncol != TermWin.ncol ? 4 : 0);	1119	#endif
977	}
978	}
979
980	old_width = szHint.width;
981	old_height = szHint.height;
982		1120
983	#ifdef USE_XIM	1121	#ifdef USE_XIM
984	rxvt_IMSetStatusPosition (this);	1122	IMSetStatusPosition ();
985	#endif	1123	#endif
986	}	1124	}
987		1125
988	/*	1126	/*
989	* Set the width/height of the vt window in characters. Units are pixels.	1127	* Set the width/height of the vt window in characters. Units are pixels.
990	* good for toggling 80/132 columns	1128	* good for toggling 80/132 columns
991	*/	1129	*/
992	/* EXTPROTO */
993	void	1130	void
994	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1131	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
995	{	1132	{
996	XWindowAttributes wattr;	1133	XWindowAttributes wattr;
997		1134
998	if (width == 0 || height == 0) {	1135	if (newwidth == 0 || newheight == 0)
		1136	{
999	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1137	XGetWindowAttributes (display->display, display->root, &wattr);
		1138
1000	if (width == 0)	1139	if (newwidth == 0)
1001	width = wattr.width - R->szHint.base_width;	1140	newwidth = wattr.width - szHint.base_width;
1002	if (height == 0)	1141	if (newheight == 0)
1003	height = wattr.height - R->szHint.base_height;	1142	newheight = wattr.height - szHint.base_height;
		1143	}
		1144
		1145	if (newwidth != width || newheight != height)
1004	}	1146	{
1005	if (width != R->TermWin.width || height != R->TermWin.height) {
1006	width += R->szHint.base_width;	1147	newwidth += szHint.base_width;
1007	height += R->szHint.base_height;	1148	newheight += szHint.base_height;
1008	R->resize_all_windows (width, height, 0);	1149	resize_all_windows (newwidth, newheight, 0);
1009	}	1150	}
1010	}	1151	}
1011		1152
1012	/* -------------------------------------------------------------------- *	1153	/* -------------------------------------------------------------------- *
1013	* - X INPUT METHOD ROUTINES - *	1154	* - X INPUT METHOD ROUTINES - *
1014	* -------------------------------------------------------------------- */	1155	* -------------------------------------------------------------------- */
1015	#ifdef USE_XIM	1156	#ifdef USE_XIM
1016	void
1017	rxvt_term::set_size (XRectangle *size)
1018	{
1019	size->x = TermWin.int_bwidth;
1020	size->y = TermWin.int_bwidth;
1021	size->width = Width2Pixel(TermWin.ncol);
1022	size->height = Height2Pixel(TermWin.nrow);
1023	}
1024		1157
1025	void	1158	void
1026	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1159	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1027	{	1160	{
1028	*fg = PixColors[Color_fg];	1161	fg = pix_colors[Color_fg];
1029	*bg = PixColors[Color_bg];	1162	bg = pix_colors[Color_bg];
		1163	}
		1164
		1165	void
		1166	rxvt_term::im_set_size (XRectangle &size)
		1167	{
		1168	// the int_bwidth terms make no sense to me
		1169	size.x = int_bwidth;
		1170	size.y = int_bwidth;
		1171	size.width = Width2Pixel (ncol) + int_bwidth;
		1172	size.height = Height2Pixel (nrow) + int_bwidth;
		1173	}
		1174
		1175	void
		1176	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1177	XRectangle &status_rect,
		1178	const XRectangle &needed_rect)
		1179	{
		1180	preedit_rect.x = needed_rect.width;
		1181	preedit_rect.y = 0;
		1182	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1183	preedit_rect.height = fheight;
		1184
		1185	status_rect.x = 0;
		1186	status_rect.y = 0;
		1187	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1188	status_rect.height = fheight;
1030	}	1189	}
1031		1190
1032	/* Checking whether input method is running. */	1191	/* Checking whether input method is running. */
1033	/* INTPROTO */
1034	Bool	1192	bool
1035	rxvt_IMisRunning(pR)	1193	rxvt_term::IMisRunning ()
1036	{	1194	{
1037	char *p;	1195	char *p;
1038	Atom atom;	1196	Atom atom;
1039	Window win;	1197	Window win;
1040	char server[IMBUFSIZ];	1198	char server[IMBUFSIZ];
1041		1199
1042	/* get current locale modifier */	1200	/* get current locale modifier */
1043	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1201	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1202	{
1044	STRCPY(server, "@server=");	1203	strcpy (server, "@server=");
1045	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1204	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1205
1046	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1206	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1047	*p = '\0';	1207	*p = '\0';
1048		1208
1049	atom = XInternAtom(R->Xdisplay, server, False);	1209	atom = XInternAtom (display->display, server, False);
1050	win = XGetSelectionOwner(R->Xdisplay, atom);	1210	win = XGetSelectionOwner (display->display, atom);
		1211
1051	if (win != None)	1212	if (win != None)
1052	return True;	1213	return True;
1053	}	1214	}
		1215
1054	return False;	1216	return False;
1055	}	1217	}
1056		1218
1057	/* EXTPROTO */
1058	void	1219	void
1059	rxvt_IMSendSpot(pR)	1220	rxvt_term::IMSendSpot ()
1060	{	1221	{
1061	XPoint spot;	1222	XPoint nspot;
1062	XVaNestedList preedit_attr;	1223	XVaNestedList preedit_attr;
1063		1224
1064	if (R->Input_Context == NULL	1225	if (!Input_Context
		1226	|| !focus
1065	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1227	|| !(input_style & XIMPreeditPosition))
1066	|| !(R->event_type == KeyPress
1067	|| R->event_type == Expose
1068	|| R->event_type == NoExpose
1069	|| R->event_type == SelectionNotify
1070	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1071	|| !rxvt_IMisRunning(aR))
1072	return;	1228	return;
1073		1229
1074	R->set_position (&spot);	1230	im_set_position (nspot);
1075		1231
		1232	if (nspot.x == spot.x && nspot.y == spot.y)
		1233	return;
		1234
		1235	spot = nspot;
		1236
1076	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1237	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1077	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1238	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1078	XFree(preedit_attr);	1239	XFree (preedit_attr);
1079	}	1240	}
1080		1241
1081	void	1242	void
1082	rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,	1243	rxvt_term::im_destroy ()
1083	XRectangle * needed_rect)
1084	{	1244	{
1085	int mbh, vtx = 0;	1245	if (input_method)
		1246	{
		1247	if (Input_Context && input_method->xim)
		1248	XDestroyIC (Input_Context);
1086		1249
1087	if (scrollbar_visible (this) && !(Options & Opt_scrollBar_right))	1250	display->put_xim (input_method);
1088	vtx = scrollbar_TotalWidth();	1251	input_method = 0;
		1252	}
1089		1253
1090	mbh = menubar_visible (this) ? menuBar_TotalHeight() : 0;
1091	mbh -= TermWin.lineSpace;
1092
1093	preedit_rect->x = needed_rect->width + vtx;
1094	preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1095
1096	preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1097	preedit_rect->height = Height2Pixel(1);
1098
1099	status_rect->x = vtx;
1100	status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1101
1102	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1103	status_rect->height = Height2Pixel(1);
1104	}
1105
1106	/* ARGSUSED */
1107	/* INTPROTO */
1108	void
1109	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1110	__attribute__ ((unused)), XPointer call_data
1111	__attribute__ ((unused)))
1112	{
1113	dR;
1114
1115	R->Input_Context = NULL;	1254	Input_Context = 0;
1116	/* To avoid Segmentation Fault in C locale: Solaris only? */
1117	if (STRCMP(R->locale, "C"))
1118	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1119	rxvt_IMInstantiateCallback, NULL);
1120	}	1255	}
1121		1256
1122	/*	1257	/*
1123	* Try to open a XIM with the current modifiers, then see if we can	1258	* Try to open a XIM with the current modifiers, then see if we can
1124	* open a suitable preedit type	1259	* open a suitable preedit type
1125	*/	1260	*/
1126	static Bool	1261	bool
1127	rxvt_IM_get_IC (pR)	1262	rxvt_term::IM_get_IC (const char *modifiers)
1128	{	1263	{
1129	int i, j, found;	1264	int i, j, found;
1130	XIM xim;	1265	XIM xim;
1131	XPoint spot;	1266	XPoint spot;
1132	XRectangle rect, status_rect, needed_rect;	1267	XRectangle rect, status_rect, needed_rect;
1133	unsigned long fg, bg;	1268	unsigned long fg, bg;
1134	const char *p;	1269	const char *p;
1135	char **s;	1270	char **s;
1136	XIMStyles *xim_styles;	1271	XIMStyles *xim_styles;
1137	XVaNestedList preedit_attr, status_attr;
1138	XIMCallback ximcallback;
1139		1272
		1273	set_environ (envv);
		1274
		1275	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1276	return false;
		1277
1140	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1278	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1141	xim = XOpenIM (R->Xdisplay, NULL, NULL, NULL);	1279	input_method = display->get_xim (locale, modifiers);
1142	if (xim == NULL)	1280	if (input_method == NULL)
1143	return False;	1281	return false;
1144		1282
		1283	xim = input_method->xim;
		1284	spot.x = spot.y = -1;
		1285
1145	xim_styles = NULL;	1286	xim_styles = NULL;
1146	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1287	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1147	|| !xim_styles || !xim_styles->count_styles) {	1288	|| !xim_styles || !xim_styles->count_styles)
1148	XCloseIM(xim);	1289	{
		1290	im_destroy ();
1149	return False;	1291	return false;
		1292	}
		1293
		1294	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1295
		1296	for (int pi = 0; pi < 2; pi++)
1150	}	1297	{
		1298	p = pet[pi];
1151		1299
1152	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1300	if (!p)
1153	: "OverTheSpot,OffTheSpot,Root";	1301	continue;
		1302
1154	s = rxvt_splitcommastring(p);	1303	s = rxvt_splitcommastring (p);
		1304
1155	for (i = found = 0; !found && s[i]; i++) {	1305	for (i = found = 0; !found && s[i]; i++)
		1306	{
1156	if (!STRCMP(s[i], "OverTheSpot"))	1307	if (!strcmp (s[i], "OverTheSpot"))
1157	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1308	input_style = (XIMPreeditPosition | XIMStatusNothing);
1158	else if (!STRCMP(s[i], "OffTheSpot"))	1309	else if (!strcmp (s[i], "OffTheSpot"))
1159	R->input_style = (XIMPreeditArea | XIMStatusArea);	1310	input_style = (XIMPreeditArea | XIMStatusArea);
1160	else if (!STRCMP(s[i], "Root"))	1311	else if (!strcmp (s[i], "Root"))
1161	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1312	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1313	else if (!strcmp (s[i], "None"))
		1314	input_style = (XIMPreeditNone | XIMStatusNone);
1162		1315
1163	for (j = 0; j < xim_styles->count_styles; j++)	1316	for (j = 0; j < xim_styles->count_styles; j++)
1164	if (R->input_style == xim_styles->supported_styles[j]) {	1317	if (input_style == xim_styles->supported_styles[j])
		1318	{
		1319	rxvt_freecommastring (s);
		1320
1165	found = 1;	1321	found = 1;
1166	break;	1322	goto foundpet;
1167	}	1323	}
		1324
		1325	}
		1326
		1327	rxvt_freecommastring (s);
1168	}	1328	}
1169	for (i = 0; s[i]; i++)	1329
1170	free(s[i]);	1330	foundpet:
1171	free(s);	1331
1172	XFree(xim_styles);	1332	XFree (xim_styles);
1173		1333
1174	if (!found) {	1334	if (!found)
1175	XCloseIM(xim);	1335	{
		1336	im_destroy ();
1176	return False;	1337	return false;
		1338	}
		1339
		1340	XFontSet fs = 0;
		1341	XVaNestedList preedit_attr = 0, status_attr = 0;
		1342
		1343	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1177	}	1344	{
		1345	// fake us a font-set, please
		1346	char **missing_charset_list;
		1347	int missing_charset_count;
		1348	char *def_string;
		1349	char pat[512];
1178		1350
1179	ximcallback.callback = rxvt_IMDestroyCallback;	1351	sprintf (pat,
		1352	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1353	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1354	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1355	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1356	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1357	"*",
		1358	fheight,
		1359	fheight + 1, fheight - 1,
		1360	fheight - 2, fheight + 2);
1180		1361
1181	/* XXX: not sure why we need this (as well as IC one below) */	1362	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1182	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1363	&missing_charset_list, &missing_charset_count, &def_string);
1183		1364
1184	preedit_attr = status_attr = NULL;	1365	if (missing_charset_list)
		1366	XFreeStringList (missing_charset_list);
1185		1367
		1368	if (!fs)
		1369	{
		1370	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1371	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1372	}
		1373	}
		1374
1186	if (R->input_style & XIMPreeditPosition) {	1375	if (input_style & XIMPreeditPosition)
		1376	{
1187	R->set_size (&rect);	1377	im_set_size (rect);
1188	R->set_position (&spot);	1378	im_set_position (spot);
1189	R->set_color (&fg, &bg);	1379	im_set_color (fg, bg);
1190		1380
1191	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1381	preedit_attr = XVaCreateNestedList (0,
		1382	XNForeground, fg,
		1383	XNBackground, bg,
		1384	XNArea, &rect,
1192	XNSpotLocation, &spot,	1385	XNSpotLocation, &spot,
1193	XNForeground, fg, XNBackground, bg,
1194	//XNFontSet, R->TermWin.fontset,	1386	XNFontSet, fs,
1195	NULL);
1196	} else if (R->input_style & XIMPreeditArea) {
1197	R->set_color (&fg, &bg);
1198
1199	/*
1200	* The necessary width of preedit area is unknown
1201	* until create input context.
1202	*/
1203	needed_rect.width = 0;
1204
1205	R->set_preedit_area(&rect, &status_rect, &needed_rect);
1206
1207	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1208	XNForeground, fg, XNBackground, bg,
1209	//XNFontSet, R->TermWin.fontset,
1210	NULL);
1211	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1212	XNForeground, fg, XNBackground, bg,
1213	//XNFontSet, R->TermWin.fontset,
1214	NULL);	1387	NULL);
1215	}	1388	}
1216	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,	1389	else if (input_style & XIMPreeditArea)
		1390	{
		1391	im_set_color (fg, bg);
		1392
		1393	/*
		1394	* The necessary width of preedit area is unknown
		1395	* until create input context.
		1396	*/
		1397	needed_rect.width = 0;
		1398	im_set_preedit_area (rect, status_rect, needed_rect);
		1399
		1400	preedit_attr = XVaCreateNestedList (0,
		1401	XNForeground, fg,
		1402	XNBackground, bg,
		1403	XNArea, &rect,
		1404	XNFontSet, fs,
		1405	NULL);
		1406	status_attr = XVaCreateNestedList (0,
		1407	XNForeground, fg,
		1408	XNBackground, bg,
		1409	XNArea, &status_rect,
		1410	XNFontSet, fs,
		1411	NULL);
		1412	}
		1413
		1414	Input_Context = XCreateIC (xim,
		1415	XNInputStyle, input_style,
1217	XNClientWindow, R->TermWin.parent[0],	1416	XNClientWindow, vt,
1218	XNFocusWindow, R->TermWin.parent[0],	1417	XNFocusWindow, parent[0],
1219	XNDestroyCallback, &ximcallback,
1220	preedit_attr ? XNPreeditAttributes : NULL,	1418	preedit_attr ? XNPreeditAttributes : NULL,
1221	preedit_attr,	1419	preedit_attr,
1222	status_attr ? XNStatusAttributes : NULL,	1420	status_attr ? XNStatusAttributes : NULL,
1223	status_attr, NULL);	1421	status_attr, NULL);
1224	if (preedit_attr)	1422
1225	XFree(preedit_attr);	1423	if (preedit_attr) XFree (preedit_attr);
1226	if (status_attr)	1424	if (status_attr) XFree (status_attr);
1227	XFree(status_attr);	1425	if (fs) XFreeFontSet (display->display, fs);
		1426
1228	if (R->Input_Context == NULL) {	1427	if (Input_Context == NULL)
1229	rxvt_print_error("failed to create input context");	1428	{
1230	XCloseIM(xim);	1429	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1430	im_destroy ();
1231	return False;	1431	return false;
1232	}	1432	}
		1433
		1434	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1435	vt_select_input ();
		1436
1233	if (R->input_style & XIMPreeditArea)	1437	if (input_style & XIMPreeditArea)
1234	rxvt_IMSetStatusPosition(aR);	1438	IMSetStatusPosition ();
		1439
1235	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1440	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1236	return True;	1441	return true;
1237	}	1442	}
1238		1443
1239	/*
1240	* X manual pages and include files don't match on some systems:
1241	* some think this is an XIDProc and others an XIMProc so we can't
1242	* use the first argument - need to update this to be nice for
1243	* both types via some sort of configure detection
1244	*/
1245	/* ARGSUSED */
1246	/* EXTPROTO */
1247	void	1444	void
1248	rxvt_IMInstantiateCallback(Display * unused	1445	rxvt_term::im_cb ()
1249	__attribute__ ((unused)), XPointer client_data
1250	__attribute__ ((unused)), XPointer call_data
1251	__attribute__ ((unused)))
1252	{	1446	{
1253	dR;	1447	int i;
1254	int i, found, had_im;
1255	const char *p;	1448	const char *p;
1256	char **s;	1449	char **s;
1257	char buf[IMBUFSIZ];	1450	char buf[IMBUFSIZ];
1258		1451
		1452	make_current ();
		1453
		1454	im_destroy ();
		1455
1259	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1456	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1260	if (R->Input_Context)	1457	if (Input_Context)
1261	return;	1458	return;
1262		1459
1263	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1460	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1264	if (R->rs[Rs_imLocale])	1461	if (rs[Rs_imLocale])
1265	setlocale (LC_CTYPE, R->rs[Rs_imLocale]);	1462	SET_LOCALE (rs[Rs_imLocale]);
1266	#endif	1463	#endif
1267		1464
1268	p = R->rs[Rs_inputMethod];	1465	p = rs[Rs_inputMethod];
1269	if (p && *p)	1466	if (p && *p)
1270	{	1467	{
1271	bool found = false;	1468	bool found = false;
1272		1469
1273	s = rxvt_splitcommastring (p);	1470	s = rxvt_splitcommastring (p);
		1471
1274	for (i = 0; s[i]; i++)	1472	for (i = 0; s[i]; i++)
1275	{	1473	{
1276	if (*s[i])	1474	if (*s[i])
1277	{	1475	{
1278	STRCPY (buf, "@im=");	1476	strcpy (buf, "@im=");
1279	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1477	strncat (buf, s[i], IMBUFSIZ - 5);
1280	if ((p = XSetLocaleModifiers (buf)) && *p	1478	if (IM_get_IC (buf))
1281	&& rxvt_IM_get_IC (aR))
1282	{	1479	{
1283	found = true;	1480	found = true;
1284	break;	1481	break;
1285	}	1482	}
1286	}	1483	}
1287	}	1484	}
1288	for (i = 0; s[i]; i++)	1485
1289	free(s[i]);	1486	rxvt_freecommastring (s);
1290	free(s);
1291		1487
1292	if (found)	1488	if (found)
1293	goto done;	1489	goto done;
1294	}	1490	}
1295		1491
1296	/* try with XMODIFIERS env. var. */	1492	/* try with XMODIFIERS env. var. */
1297	if ((p = XSetLocaleModifiers ("")) && *p	1493	if (IM_get_IC (""))
1298	&& rxvt_IM_get_IC (aR))
1299	goto done;	1494	goto done;
1300		1495
1301	/* try with no modifiers base IF the user didn't specify an IM */	1496	/* try with no modifiers base IF the user didn't specify an IM */
1302	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1497	if (IM_get_IC ("@im=none"))
1303	&& rxvt_IM_get_IC (aR) == True)
1304	goto done;	1498	goto done;
1305		1499
1306	done:	1500	done:
1307	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1501	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1308	if (R->rs[Rs_imLocale])	1502	if (rs[Rs_imLocale])
1309	setlocale (LC_CTYPE, R->locale);	1503	SET_LOCALE (locale);
1310	#endif	1504	#endif
1311	}	1505	}
1312		1506
1313	/* EXTPROTO */
1314	void	1507	void
1315	rxvt_IMSetStatusPosition(pR)	1508	rxvt_term::IMSetStatusPosition ()
1316	{	1509	{
1317	XRectangle preedit_rect, status_rect, *needed_rect;	1510	XRectangle preedit_rect, status_rect, *needed_rect;
1318	XVaNestedList preedit_attr, status_attr;	1511	XVaNestedList preedit_attr, status_attr;
1319		1512
1320	if (R->Input_Context == NULL	1513	if (!Input_Context
		1514	|| !focus
1321	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1515	|| !(input_style & XIMPreeditArea)
1322	|| !rxvt_IMisRunning(aR))	1516	|| !IMisRunning ())
1323	return;	1517	return;
1324		1518
1325	/* Getting the necessary width of preedit area */	1519	/* Getting the necessary width of preedit area */
1326	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1520	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1327	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1521	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1328	XFree(status_attr);	1522	XFree (status_attr);
1329		1523
1330	R->set_preedit_area(&preedit_rect, &status_rect, needed_rect);	1524	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1525	XFree (needed_rect);
1331		1526
1332	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1527	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1333	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1528	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1334		1529
1335	XSetICValues(R->Input_Context,	1530	XSetICValues (Input_Context,
1336	XNPreeditAttributes, preedit_attr,	1531	XNPreeditAttributes, preedit_attr,
1337	XNStatusAttributes, status_attr, NULL);	1532	XNStatusAttributes, status_attr, NULL);
1338		1533
1339	XFree(preedit_attr);	1534	XFree (preedit_attr);
1340	XFree(status_attr);	1535	XFree (status_attr);
1341	}	1536	}
1342	#endif /* USE_XIM */	1537	#endif /* USE_XIM */
1343		1538
1344	/*----------------------------------------------------------------------*/
1345	rxvt_t rxvt_current_term;
1346
1347	/*----------------------- end-of-file (C source) -----------------------*/	1539	/*----------------------- end-of-file (C source) -----------------------*/

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