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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.13 by pcg, Wed Dec 17 09:00:35 2003 UTC vs.
Revision 1.263 by ayin, Thu Nov 22 15:07:10 2007 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.13 2003/12/17 09:00:35 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>
38		41	#include <cstring>
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>
41	#endif
42		42
43	#ifdef HAVE_TERMIOS_H	43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	44	# include <termios.h>
45	#endif	45	#endif
46		46
		47	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# ifdef HAVE_SETLOCALE
		52	# include <clocale>
		53	# endif
		54	#endif
		55
		56	vector<rxvt_term *> rxvt_term::termlist;
		57
		58	// used to tell global functions which terminal instance is "active"
		59	rxvt_t rxvt_current_term;
		60
		61	static char curlocale[128], savelocale[128];
		62
		63	bool
		64	rxvt_set_locale (const char *locale) NOTHROW
		65	{
		66	int size = strlen (locale) + 1;
		67
		68	if (size > sizeof (curlocale))
		69	rxvt_fatal ("locale string too long, aborting.\n");
		70
		71	if (!locale || !memcmp (locale, curlocale, size))
		72	return false;
		73
		74	memcpy (curlocale, locale, size);
		75	setlocale (LC_CTYPE, curlocale);
		76	return true;
		77	}
		78
47	void *	79	void
48	rxvt_term::operator new (size_t s)	80	rxvt_push_locale (const char *locale) NOTHROW
49	{	81	{
50	void *p = malloc (s);	82	strcpy (savelocale, curlocale);
		83	rxvt_set_locale (locale);
		84	}
51		85
52	MEMSET (p, 0, s);	86	void
		87	rxvt_pop_locale () NOTHROW
		88	{
		89	rxvt_set_locale (savelocale);
		90	}
		91
		92	#if ENABLE_COMBINING
		93	class rxvt_composite_vec rxvt_composite;
		94
		95	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		96	{
		97	compose_char *cc;
		98
		99	// break compose chains, as stupid readline really likes to duplicate
		100	// composing characters for some reason near the end of a line.
		101	cc = (*this)[c1];
		102	while (cc)
		103	{
		104	if (cc->c2 == c2) return c1;
		105	cc = (*this)[cc->c1];
		106	}
		107
		108	// check to see wether this combination already exists otherwise
		109	for (cc = v.end (); cc-- > v.begin (); )
		110	{
		111	if (cc->c1 == c1 && cc->c2 == c2)
		112	return COMPOSE_LO + (cc - v.begin ());
		113	}
		114
		115	// allocate a new combination
		116	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		117	{
		118	static int seen;
		119
		120	if (!seen++)
		121	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		122
		123	return REPLACEMENT_CHAR;
		124	}
		125
		126	v.push_back (compose_char (c1, c2));
		127
		128	return v.size () - 1 + COMPOSE_LO;
		129	}
		130
		131	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		132	{
		133	compose_char *cc = (*this)[c];
		134
		135	if (!cc)
		136	{
		137	if (r) *r = c;
		138	return 1;
		139	}
		140
		141	int len = expand (cc->c1, r);
		142
		143	if (r) r += len;
		144
		145	if (cc->c2 != NOCHAR)
		146	{
		147	len++;
		148	if (r) *r++ = cc->c2;
		149	}
		150
53	return p;	151	return len;
54	}
55		152
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	153	}
		154	#endif
61		155
62	rxvt_term::rxvt_term ()	156	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	157	:
		158	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		159	rootwin_ev (this, &rxvt_term::rootwin_cb),
		160	#endif
		161	#if HAVE_BG_PIXMAP
		162	update_background_ev(this, &rxvt_term::update_background_cb),
		163	#endif
		164	#ifdef HAVE_SCROLLBARS
		165	scrollbar_ev (this, &rxvt_term::x_cb),
		166	#endif
64	#ifdef CURSOR_BLINK	167	#ifdef CURSOR_BLINK
		168	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		169	#endif
		170	#ifdef TEXT_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	171	text_blink_ev (this, &rxvt_term::text_blink_cb),
		172	#endif
		173	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		174	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		175	#endif
		176	#ifdef SELECTION_SCROLLING
		177	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		178	#endif
		179	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		180	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
66	#endif	181	#endif
67	#ifdef POINTER_BLANK	182	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	183	pointer_ev (this, &rxvt_term::pointer_cb),
69	#endif	184	#endif
		185	#ifdef USE_XIM
		186	im_ev (this, &rxvt_term::im_cb),
		187	#endif
		188	#ifndef NO_BELL
		189	bell_ev (this, &rxvt_term::bell_cb),
		190	#endif
		191	termwin_ev (this, &rxvt_term::x_cb),
70	x_ev (this, &rxvt_term::x_cb),	192	vt_ev (this, &rxvt_term::x_cb),
		193	child_ev (this, &rxvt_term::child_cb),
		194	prepare_ev (this, &rxvt_term::prepare_cb),
		195	flush_ev (this, &rxvt_term::flush_cb),
71	destroy_ev (this, &rxvt_term::destroy_cb),	196	destroy_ev (this, &rxvt_term::destroy_cb),
72	check_ev (this, &rxvt_term::check_cb),	197	pty_ev (this, &rxvt_term::pty_cb),
73	incr_ev (this, &rxvt_term::incr_cb)	198	incr_ev (this, &rxvt_term::incr_cb)
74	{	199	{
75	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	200	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		201
		202	termlist.push_back (this);
		203
		204	#ifdef KEYSYM_RESOURCE
		205	keyboard = new keyboard_manager;
		206	#endif
		207	}
		208
		209	// clean up the most important stuff, do *not* call x or free mem etc.
		210	// for use before an emergency exit
		211	void
		212	rxvt_term::emergency_cleanup ()
		213	{
		214	if (cmd_pid)
		215	kill (-cmd_pid, SIGHUP);
		216
		217	pty_ev.stop ();
		218	delete pty; pty = 0;
76	}	219	}
77		220
78	rxvt_term::~rxvt_term ()	221	rxvt_term::~rxvt_term ()
79	{	222	{
		223	termlist.erase (find (termlist.begin (), termlist.end(), this));
		224
		225	emergency_cleanup ();
		226
		227	#if ENABLE_STYLES
		228	for (int i = RS_styleCount; --i; )
		229	if (fontset[i] != fontset[0])
		230	delete fontset[i];
		231	#endif
		232	delete fontset[0];
		233
		234	if (display)
		235	{
		236	selection_clear ();
		237
		238	#ifdef USE_XIM
		239	im_destroy ();
		240	#endif
		241	#ifdef XTERM_SCROLLBAR
		242	if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
		243	if (ShadowGC) XFreeGC (dpy, ShadowGC);
		244	#endif
		245	#ifdef PLAIN_SCROLLBAR
		246	if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
		247	#endif
		248	#ifdef NEXT_SCROLLBAR
		249	if (blackGC) XFreeGC (dpy, blackGC);
		250	if (whiteGC) XFreeGC (dpy, whiteGC);
		251	if (grayGC) XFreeGC (dpy, grayGC);
		252	if (darkGC) XFreeGC (dpy, darkGC);
		253	if (stippleGC) XFreeGC (dpy, stippleGC);
		254	if (dimple) XFreePixmap (dpy, dimple);
		255	if (upArrow) XFreePixmap (dpy, upArrow);
		256	if (downArrow) XFreePixmap (dpy, downArrow);
		257	if (upArrowHi) XFreePixmap (dpy, upArrowHi);
		258	if (downArrowHi) XFreePixmap (dpy, downArrowHi);
		259	#endif
		260	#ifdef RXVT_SCROLLBAR
		261	if (topShadowGC) XFreeGC (dpy, topShadowGC);
		262	if (botShadowGC) XFreeGC (dpy, botShadowGC);
		263	if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
		264	#endif
		265	if (gc) XFreeGC (dpy, gc);
		266
		267	delete drawable;
		268	// destroy all windows
		269	if (parent[0])
		270	XDestroyWindow (dpy, parent[0]);
		271
		272	for (int i = 0; i < TOTAL_COLORS; i++)
		273	if (ISSET_PIXCOLOR (i))
		274	{
		275	pix_colors_focused [i].free (this);
		276	#if OFF_FOCUS_FADING
		277	pix_colors_unfocused [i].free (this);
		278	#endif
		279	}
		280
		281	clear ();
		282	}
		283
		284	delete [] pix_colors_focused;
		285	#if OFF_FOCUS_FADING
		286	delete [] pix_colors_unfocused;
		287	#endif
		288
		289	#ifdef HAVE_BG_PIXMAP
		290	bgPixmap.destroy ();
		291	#endif
		292	displays.put (display);
		293
80	scr_release ();	294	scr_release ();
81		295
82	#ifndef NO_SETOWNER_TTYDEV	296	/* clear all resources */
83	rxvt_privileged_ttydev (this, RESTORE);	297	for (int i = 0; i < allocated.size (); i++)
84	#endif	298	free (allocated [i]);
85	#ifdef UTMP_SUPPORT
86	rxvt_privileged_utmp (this, RESTORE);
87	#endif
88	#ifdef USE_XIM
89	if (Input_Context != NULL)
90	{
91	XDestroyIC (Input_Context);
92	Input_Context = NULL;
93	}
94	#endif
95		299
96	if (cmd_fd >= 0)	300	free (selection.text);
97	close (cmd_fd);	301	// TODO: manage env vars in child only(!)
		302	free (env_display);
		303	free (env_term);
		304	free (locale);
		305	free (v_buffer);
		306	free (incr_buf);
98		307
99	if (Xfd >= 0)	308	delete envv;
100	XCloseDisplay (Xdisplay);	309	delete argv;
101		310
102	delete PixColors;	311	#ifdef KEYSYM_RESOURCE
		312	delete keyboard;
		313	#endif
		314	#ifndef NO_RESOURCES
		315	XrmDestroyDatabase (option_db);
		316	#endif
		317	}
		318
		319	// child has exited, usually destroys
		320	void
		321	rxvt_term::child_cb (ev::child &w, int status)
		322	{
		323	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		324
		325	cmd_pid = 0;
		326
		327	if (!option (Opt_hold))
		328	destroy ();
103	}	329	}
104		330
105	void	331	void
106	rxvt_term::destroy ()	332	rxvt_term::destroy ()
107	{	333	{
		334	if (destroy_ev.active)
		335	return;
		336
		337	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		338
		339	#if ENABLE_OVERLAY
		340	scr_overlay_off ();
		341	#endif
		342
		343	if (display)
		344	{
		345	#if USE_XIM
		346	im_ev.stop (display);
		347	#endif
		348	#if HAVE_SCROLLBARS
		349	scrollbar_ev.stop (display);
		350	#endif
		351	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		352	rootwin_ev.stop (display);
		353	#endif
		354	incr_ev.stop ();
		355	termwin_ev.stop (display);
		356	vt_ev.stop (display);
		357	}
		358
108	check_ev.stop ();	359	prepare_ev.stop ();
109	pty_ev.stop ();	360	pty_ev.stop ();
110	x_ev.stop ();
111	#ifdef CURSOR_BLINK	361	#ifdef CURSOR_BLINK
		362	cursor_blink_ev.stop ();
		363	#endif
		364	#ifdef TEXT_BLINK
112	blink_ev.stop ();	365	text_blink_ev.stop ();
		366	#endif
		367	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		368	cont_scroll_ev.stop ();
		369	#endif
		370	#ifdef SELECTION_SCROLLING
		371	sel_scroll_ev.stop ();
113	#endif	372	#endif
114	#ifdef POINTER_BLANK	373	#ifdef POINTER_BLANK
115	pointer_ev.stop ();	374	pointer_ev.stop ();
116	#endif	375	#endif
117		376
118	destroy_ev.start (0);	377	destroy_ev.start ();
119	}	378	}
120		379
121	void	380	void
122	rxvt_term::destroy_cb (time_watcher &w)	381	rxvt_term::destroy_cb (ev::idle &w, int revents)
123	{	382	{
124	SET_R (this);	383	make_current ();
125		384
126	delete this;	385	delete this;
127	}
128
129	/*----------------------------------------------------------------------*/
130	/* rxvt_init() */
131	/* LIBPROTO */
132	rxvt_t
133	rxvt_init (int argc, const char *const *argv)
134	{
135	SET_R (new rxvt_term);
136	dR;
137
138	if (!R->init_vars () || !R->init (argc, argv))
139	{
140	delete R;
141	return NULL;
142	}
143
144	return R;
145	}
146
147	/* EXTPROTO */
148	void
149	rxvt_init_signals ()
150	{
151	/* install exit handler for cleanup */
152	#if 0
153	#ifdef HAVE_ATEXIT
154	atexit(rxvt_clean_exit);
155	#else
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 = SIG_IGN; sigaction (SIGHUP , &sa, 0);
164	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
165	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
166	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
167	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
168	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
169
170	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
171	/* signal (SIGURG, SIG_DFL); */
172
173	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
174	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
175	}
176
177	bool
178	rxvt_term::init (int argc, const char *const *argv)
179	{
180	dR;//TODO (scrollbar, setidle)
181
182	/*
183	* Save and then give up any super-user privileges
184	* If we need privileges in any area then we must specifically request it.
185	* We should only need to be root in these cases:
186	* 1. write utmp entries on some systems
187	* 2. chown tty on some systems
188	*/
189	rxvt_privileges (this, SAVE);
190	rxvt_privileges (this, IGNORE);
191
192	rxvt_init_secondary (this);
193
194	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
195
196	#if (MENUBAR_MAX)
197	rxvt_menubar_read (this, rs[Rs_menu]);
198	#endif
199	#ifdef HAVE_SCROLLBARS
200	if (Options & Opt_scrollBar)
201	scrollbar_setIdle (); /* set existence for size calculations */
202	#endif
203
204	rxvt_Create_Windows (this, argc, argv);
205
206	rxvt_init_xlocale (this);
207
208	scr_reset (); /* initialize screen */
209	#ifdef RXVT_GRAPHICS
210	rxvt_Gr_reset (this); /* reset graphics */
211	#endif
212
213	#if 0
214	#ifdef DEBUG_X
215	XSynchronize(Xdisplay, True);
216	#endif
217	#endif
218
219	#ifdef HAVE_SCROLLBARS
220	if (Options & Opt_scrollBar)
221	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
222	#endif
223	#if (MENUBAR_MAX)
224	if (menubar_visible(r))
225	XMapWindow (Xdisplay, menuBar.win);
226	#endif
227	#ifdef TRANSPARENT
228	if (Options & Opt_transparent)
229	{
230	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
231	rxvt_check_our_parents (this);
232	}
233	#endif
234	XMapWindow (Xdisplay, TermWin.vt);
235	XMapWindow (Xdisplay, TermWin.parent[0]);
236
237	rxvt_init_env (this);
238	rxvt_init_command (this, cmd_argv);
239
240	x_ev.start (Xfd, EVENT_READ);
241	pty_ev.start (cmd_fd, EVENT_READ);
242
243	check_ev.start ();
244
245	process_x_events ();
246
247	return true;
248	}
249
250	/* ------------------------------------------------------------------------- *
251	* SIGNAL HANDLING & EXIT HANDLER *
252	* ------------------------------------------------------------------------- */
253	/*
254	* Catch a SIGCHLD signal and exit if the direct child has died
255	*/
256	/* ARGSUSED */
257	/* EXTPROTO */
258	RETSIGTYPE
259	rxvt_Child_signal(int sig __attribute__ ((unused)))
260	{
261	int pid, save_errno = errno;
262	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
263	;
264	errno = save_errno;
265
266	#if 0
267	if (pid == R->cmd_pid)
268	exit (EXIT_SUCCESS);
269	#endif
270	}
271
272	/*
273	* Catch a fatal signal and tidy up before quitting
274	*/
275	/* EXTPROTO */
276	RETSIGTYPE
277	rxvt_Exit_signal(int sig)
278	{
279	signal(sig, SIG_DFL);
280	#ifdef DEBUG_CMD
281	rxvt_print_error("signal %d", sig);
282	#endif
283	rxvt_clean_exit();
284	kill(getpid(), sig);
285	}
286
287	/* ARGSUSED */
288	/* INTPROTO */
289	int
290	rxvt_xerror_handler(const Display * display
291	__attribute__ ((unused)), const XErrorEvent * event)
292	{
293	dR;
294
295	if (R->allowedxerror == -1)
296	R->allowedxerror = event->error_code;
297	else
298	{
299	rxvt_print_error("XError: Request: %d . %d, Error: %d",
300	event->request_code, event->minor_code,
301	event->error_code);
302
303	R->destroy ();
304	}
305
306	return 0;
307	}	386	}
308		387
309	/*----------------------------------------------------------------------*/	388	/*----------------------------------------------------------------------*/
310	/*	389	/*
311	* Exit gracefully, clearing the utmp entry and restoring tty attributes	390	* Exit gracefully, clearing the utmp entry and restoring tty attributes
312	* TODO: if debugging, this should free up any known resources if we can	391	* TODO: if debugging, this should free up any known resources if we can
313	*/	392	*/
314	/* EXTPROTO */	393	static XErrorHandler old_xerror_handler;
		394
		395	static void
		396	rxvt_emergency_cleanup ()
		397	{
		398	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		399	(*t)->emergency_cleanup ();
		400	}
		401
		402	#if !ENABLE_MINIMAL
		403	static void
		404	print_x_error (Display *dpy, XErrorEvent *event)
		405	{
		406	char buffer[BUFSIZ];
		407	char mesg[BUFSIZ];
		408	char number[32];
		409	char *mtype = "XlibMessage";
		410	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		411	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		412	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		413	rxvt_warn ("%s: %s\n", mesg, buffer);
		414	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		415	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		416	sprintf(number, "%d", event->request_code);
		417	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		418	rxvt_warn ("(which is %s)\n", buffer);
		419	if (event->request_code >= 128) {
		420	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		421	mesg, BUFSIZ);
		422	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		423	}
		424	if ((event->error_code == BadWindow) ||
		425	(event->error_code == BadPixmap) ||
		426	(event->error_code == BadCursor) ||
		427	(event->error_code == BadFont) ||
		428	(event->error_code == BadDrawable) ||
		429	(event->error_code == BadColor) ||
		430	(event->error_code == BadGC) ||
		431	(event->error_code == BadIDChoice) ||
		432	(event->error_code == BadValue) ||
		433	(event->error_code == BadAtom)) {
		434	if (event->error_code == BadValue)
		435	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		436	mesg, BUFSIZ);
		437	else if (event->error_code == BadAtom)
		438	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		439	mesg, BUFSIZ);
		440	else
		441	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		442	mesg, BUFSIZ);
		443	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		444	}
		445	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		446	mesg, BUFSIZ);
		447	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		448	}
		449	#endif
		450
		451	int
		452	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		453	{
		454	if (GET_R->allowedxerror == -1)
		455	GET_R->allowedxerror = event->error_code;
		456	else
		457	{
		458	// GET_R is most likely not the terminal which caused the error,
		459	// so just output the error and continue
		460	#if ENABLE_MINIMAL
		461	old_xerror_handler (display, event);
		462	#else
		463	print_x_error (display, event);
		464	#endif
		465	}
		466
		467	return 0;
		468	}
		469
		470	int
		471	rxvt_xioerror_handler (Display *display)
		472	{
		473	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		474	DisplayString (display));
		475	rxvt_emergency_cleanup ();
		476	_exit (EXIT_FAILURE);
		477	}
		478
		479	/*----------------------------------------------------------------------*/
		480	bool
		481	rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
		482	{
		483	this->envv = envv;
		484
		485	SET_R (this);
		486	set_locale ("");
		487	set_environ (envv); // few things in X do not call setlocale :(
		488
		489	if (!init_vars ())
		490	return false;
		491
		492	init_secondary ();
		493
		494	const char **cmd_argv = init_resources (argc, argv);
		495
		496	#ifdef KEYSYM_RESOURCE
		497	keyboard->register_done ();
		498	#endif
		499
		500	#ifdef HAVE_SCROLLBARS
		501	if (option (Opt_scrollBar))
		502	scrollBar.setIdle (); /* set existence for size calculations */
		503	#endif
		504
		505	pty = ptytty::create ();
		506
		507	create_windows (argc, argv);
		508
		509	init_xlocale ();
		510
		511	scr_reset (); // initialize screen
		512
		513	#if 0
		514	XSynchronize (dpy, True);
		515	#endif
		516
		517	#ifdef HAVE_SCROLLBARS
		518	if (option (Opt_scrollBar))
		519	resize_scrollbar (); /* create and map scrollbar */
		520	#endif
		521	#ifdef HAVE_BG_PIXMAP
		522	{
		523	bgPixmap.set_target (this);
		524
		525	#ifdef ENABLE_TRANSPARENCY
		526	if (option (Opt_transparent))
		527	{
		528	bgPixmap.set_transparent ();
		529	#ifdef HAVE_AFTERIMAGE
		530	if (rs [Rs_blurradius])
		531	bgPixmap.set_blur_radius (rs [Rs_blurradius]);
		532	#endif
		533	if (ISSET_PIXCOLOR (Color_tint))
		534	bgPixmap.set_tint (pix_colors_focused [Color_tint]);
		535	if (rs [Rs_shade])
		536	bgPixmap.set_shade (rs [Rs_shade]);
		537
		538	bgPixmap.set_root_pixmap ();
		539	XSelectInput (dpy, display->root, PropertyChangeMask);
		540	rootwin_ev.start (display, display->root);
		541	}
		542	#endif
		543
		544	#ifdef BG_IMAGE_FROM_FILE
		545	if (rs[Rs_backgroundPixmap] != NULL)
		546	{
		547	const char *p = rs[Rs_backgroundPixmap];
		548
		549	if ((p = strchr (p, ';')) != NULL)
		550	{
		551	p++;
		552	bgPixmap.set_geometry (p);
		553	}
		554	else
		555	bgPixmap.set_defaultGeometry ();
		556
		557	if (bgPixmap.set_file (rs[Rs_backgroundPixmap]))
		558	if (!bgPixmap.window_position_sensitive ())
		559	update_background ();
		560	}
		561	#endif
		562	}
		563	#endif
		564
		565	#if ENABLE_PERL
		566	rootwin_ev.start (display, display->root);
		567	#endif
		568
		569	set_colorfgbg ();
		570
		571	init_command (cmd_argv);
		572
		573	free (cmd_argv);
		574
		575	if (pty->pty >= 0)
		576	pty_ev.start (pty->pty, ev::READ);
		577
		578	prepare_ev.start ();
		579
		580	HOOK_INVOKE ((this, HOOK_START, DT_END));
		581
		582	#if ENABLE_XEMBED
		583	if (rs[Rs_embed])
		584	{
		585	long info[2] = { 0, XEMBED_MAPPED };
		586
		587	XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
		588	32, PropModeReplace, (unsigned char *)&info, 2);
		589	}
		590	#endif
		591
		592	XMapWindow (dpy, vt);
		593	XMapWindow (dpy, parent[0]);
		594
		595	return true;
		596	}
		597
		598	static struct sig_handlers
		599	{
		600	ev::sig sw_term, sw_int;
		601
		602	/*
		603	* Catch a fatal signal and tidy up before quitting
		604	*/
315	void	605	void
316	rxvt_clean_exit ()	606	sig_term (ev::sig &w, int revents)
317	{	607	{
318	dR;	608	rxvt_emergency_cleanup ();
		609	w.stop ();
		610	kill (getpid (), w.signum);
		611	}
319		612
320	R->destroy ();	613	sig_handlers ()
		614	: sw_term (this, &sig_handlers::sig_term),
		615	sw_int (this, &sig_handlers::sig_term)
		616	{
		617	}
		618	} sig_handlers;
		619
		620	char **rxvt_environ; // startup environment
		621
		622	void
		623	rxvt_init ()
		624	{
		625	ptytty::init ();
		626
		627	if (!ev::ev_default_loop (0))
		628	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		629
		630	rxvt_environ = environ;
		631
		632	signal (SIGHUP, SIG_IGN);
		633	signal (SIGPIPE, SIG_IGN);
		634
		635	sig_handlers.sw_term.start (SIGTERM); ev::ev_unref ();
		636	sig_handlers.sw_int.start (SIGINT); ev::ev_unref ();
		637
		638	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		639	/* signal (SIGURG, SIG_DFL); */
		640
		641	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		642	// TODO: handle this with exceptions and tolerate the memory loss
		643	XSetIOErrorHandler (rxvt_xioerror_handler);
		644
		645	XrmInitialize ();
321	}	646	}
322		647
323	/* ------------------------------------------------------------------------- *	648	/* ------------------------------------------------------------------------- *
324	* MEMORY ALLOCATION WRAPPERS *	649	* MEMORY ALLOCATION WRAPPERS *
325	* ------------------------------------------------------------------------- */	650	* ------------------------------------------------------------------------- */
326	/* EXTPROTO */	651	void *
327	void *
328	rxvt_malloc(size_t size)	652	rxvt_malloc (size_t size)
329	{	653	{
330	void *p;
331
332	p = malloc(size);	654	void *p = malloc (size);
		655
333	if (p)	656	if (!p)
		657	rxvt_fatal ("memory allocation failure. aborting.\n");
		658
334	return p;	659	return p;
335
336	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
337	rxvt_clean_exit();
338	exit(EXIT_FAILURE);
339	/* NOTREACHED */
340	}	660	}
341		661
342	/* EXTPROTO */	662	void *
343	void *
344	rxvt_calloc(size_t number, size_t size)	663	rxvt_calloc (size_t number, size_t size)
345	{	664	{
346	void *p;
347
348	p = calloc(number, size);	665	void *p = calloc (number, size);
		666
349	if (p)	667	if (!p)
		668	rxvt_fatal ("memory allocation failure. aborting.\n");
		669
350	return p;	670	return p;
351
352	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
353	rxvt_clean_exit();
354	exit(EXIT_FAILURE);
355	/* NOTREACHED */
356	}	671	}
357		672
358	/* EXTPROTO */	673	void *
359	void *
360	rxvt_realloc(void *ptr, size_t size)	674	rxvt_realloc (void *ptr, size_t size)
361	{	675	{
362	void *p;
363
364	if (ptr)
365	p = realloc(ptr, size);	676	void *p = realloc (ptr, size);
366	else	677
367	p = malloc(size);
368	if (p)	678	if (!p)
		679	rxvt_fatal ("memory allocation failure. aborting.\n");
		680
369	return p;	681	return p;
370
371	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
372	rxvt_clean_exit();
373	exit(EXIT_FAILURE);
374	/* NOTREACHED */
375	}	682	}
376
377	/* ------------------------------------------------------------------------- *
378	* PRIVILEGED OPERATIONS *
379	* ------------------------------------------------------------------------- */
380	/* take care of suid/sgid super-user (root) privileges */
381	/* INTPROTO */
382	void
383	rxvt_privileges(pR_ int mode)
384	{
385	#if ! defined(__CYGWIN32__)
386	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
387	/* setreuid() is the poor man's setuid(), seteuid() */
388	# define seteuid(a) setreuid(-1, (a))
389	# define setegid(a) setregid(-1, (a))
390	# define HAVE_SETEUID
391	# endif
392	# ifdef HAVE_SETEUID
393	switch (mode) {
394	case IGNORE:
395	/*
396	* change effective uid/gid - not real uid/gid - so we can switch
397	* back to root later, as required
398	*/
399	seteuid(getuid());
400	setegid(getgid());
401	break;
402	case SAVE:
403	R->euid = geteuid();
404	R->egid = getegid();
405	break;
406	case RESTORE:
407	seteuid(R->euid);
408	setegid(R->egid);
409	break;
410	}
411	# else
412	switch (mode) {
413	case IGNORE:
414	setuid(getuid());
415	setgid(getgid());
416	/* FALLTHROUGH */
417	case SAVE:
418	/* FALLTHROUGH */
419	case RESTORE:
420	break;
421	}
422	# endif
423	#endif
424	}
425
426	#ifdef UTMP_SUPPORT
427	/* EXTPROTO */
428	void
429	rxvt_privileged_utmp(pR_ char action)
430	{
431	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
432	action, R->next_utmp_action, getpid()));
433	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
434	|| (R->Options & Opt_utmpInhibit)
435	|| R->ttydev == NULL || *R->ttydev == '\0')
436	return;
437
438	rxvt_privileges(aR_ RESTORE);
439	if (action == SAVE) {
440	R->next_utmp_action = RESTORE;
441	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
442	} else { /* action == RESTORE */
443	R->next_utmp_action = IGNORE;
444	rxvt_cleanutent(aR);
445	}
446	rxvt_privileges(aR_ IGNORE);
447	}
448	#endif
449
450	#ifndef NO_SETOWNER_TTYDEV
451	/* EXTPROTO */
452	void
453	rxvt_privileged_ttydev(pR_ char action)
454	{
455	D_MAIN((stderr,
456	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
457	action, R->next_tty_action, getpid()));
458	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
459	|| R->ttydev == NULL || *R->ttydev == '\0')
460	return;
461
462	rxvt_privileges(aR_ RESTORE);
463
464	if (action == SAVE) {
465	R->next_tty_action = RESTORE;
466	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
467	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
468	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
469	R->next_tty_action = IGNORE;
470	else
471	# endif
472	{
473	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
474	chmod(R->ttydev, R->ttymode);
475	# ifdef HAVE_REVOKE
476	revoke(R->ttydev);
477	# endif
478	}
479	} else { /* action == RESTORE */
480	R->next_tty_action = IGNORE;
481	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
482	chmod(R->ttydev, R->ttyfd_stat.st_mode);
483	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
484	# else
485	chmod(R->ttydev,
486	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
487	chown(R->ttydev, 0, 0);
488	# endif
489	}
490
491	rxvt_privileges(aR_ IGNORE);
492
493	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
494	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
495	action == RESTORE ? "Restoring" : (action ==
496	SAVE ? "Saving" :
497	"UNKNOWN ERROR for"), R->ttydev,
498	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
499	R->ttyfd_stat.st_gid));
500	# endif
501	}
502	#endif
503		683
504	/*----------------------------------------------------------------------*/	684	/*----------------------------------------------------------------------*/
505	/*	685	/*
506	* window size/position calculcations for XSizeHint and other storage.	686	* window size/position calculations for XSizeHint and other storage.
507	* if width/height are non-zero then override calculated width/height	687	* if width/height are non-zero then override calculated width/height
508	*/	688	*/
509	/* EXTPROTO */
510	void	689	void
511	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	690	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
512	{	691	{
513	short recalc_x, recalc_y;	692	short recalc_x, recalc_y;
514	int x, y, sb_w, mb_h, flags;	693	int x, y, sb_w, flags;
515	unsigned int w, h;	694	unsigned int w, h;
516	unsigned int max_width, max_height;	695	unsigned int max_width, max_height;
517		696
518	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
519	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
520	R->szHint.height));
521	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	697	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
522	R->szHint.win_gravity = NorthWestGravity;	698	szHint.win_gravity = NorthWestGravity;
523	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	699	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
524		700
525	recalc_x = recalc_y = 0;	701	recalc_x = recalc_y = 0;
526	flags = 0;	702	flags = 0;
		703
527	if (!R->parsed_geometry) {	704	if (!parsed_geometry)
		705	{
528	R->parsed_geometry = 1;	706	parsed_geometry = 1;
		707
529	if (R->rs[Rs_geometry])	708	if (rs[Rs_geometry])
530	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	709	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		710
531	if (flags & WidthValue) {	711	if (flags & WidthValue)
532	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	712	{
		713	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
533	R->szHint.flags |= USSize;	714	szHint.flags |= USSize;
534	}	715	}
		716
535	if (flags & HeightValue) {	717	if (flags & HeightValue)
536	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	718	{
		719	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
537	R->szHint.flags |= USSize;	720	szHint.flags |= USSize;
538	}	721	}
		722
539	if (flags & XValue) {	723	if (flags & XValue)
		724	{
540	R->szHint.x = x;	725	szHint.x = x;
541	R->szHint.flags |= USPosition;	726	szHint.flags |= USPosition;
		727
542	if (flags & XNegative) {	728	if (flags & XNegative)
		729	{
543	recalc_x = 1;	730	recalc_x = 1;
544	R->szHint.win_gravity = NorthEastGravity;	731	szHint.win_gravity = NorthEastGravity;
545	}	732	}
546	}	733	}
		734
547	if (flags & YValue) {	735	if (flags & YValue)
		736	{
548	R->szHint.y = y;	737	szHint.y = y;
549	R->szHint.flags |= USPosition;	738	szHint.flags |= USPosition;
		739
550	if (flags & YNegative) {	740	if (flags & YNegative)
		741	{
551	recalc_y = 1;	742	recalc_y = 1;
		743
552	if (R->szHint.win_gravity == NorthEastGravity)	744	if (szHint.win_gravity == NorthEastGravity)
553	R->szHint.win_gravity = SouthEastGravity;	745	szHint.win_gravity = SouthEastGravity;
554	else	746	else
555	R->szHint.win_gravity = SouthWestGravity;	747	szHint.win_gravity = SouthWestGravity;
556	}	748	}
557	}	749	}
558	}	750	}
		751
559	/* TODO: BOUNDS */	752	/* TODO: BOUNDS */
560	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	753	width = ncol * fwidth;
561	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	754	height = nrow * fheight;
562	max_width = MAX_COLS * R->TermWin.fwidth;	755	max_width = MAX_COLS * fwidth;
563	max_height = MAX_ROWS * R->TermWin.fheight;	756	max_height = MAX_ROWS * fheight;
564		757
565	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	758	szHint.base_width = szHint.base_height = 2 * int_bwidth;
566		759
567	sb_w = mb_h = 0;	760	sb_w = 0;
568	R->window_vt_x = R->window_vt_y = 0;	761	window_vt_x = window_vt_y = int_bwidth;
569	if (scrollbar_visible(R)) {	762
		763	if (scrollBar.state)
		764	{
570	sb_w = scrollbar_TotalWidth();	765	sb_w = scrollbar_TotalWidth ();
571	R->szHint.base_width += sb_w;	766	szHint.base_width += sb_w;
		767
572	if (!(R->Options & Opt_scrollBar_right))	768	if (!option (Opt_scrollBar_right))
573	R->window_vt_x = sb_w;	769	window_vt_x += sb_w;
574	}	770	}
575	if (menubar_visible(R)) {	771
576	mb_h = menuBar_TotalHeight();
577	R->szHint.base_height += mb_h;
578	R->window_vt_y = mb_h;
579	}
580	R->szHint.width_inc = R->TermWin.fwidth;	772	szHint.width_inc = fwidth;
581	R->szHint.height_inc = R->TermWin.fheight;	773	szHint.height_inc = fheight;
582	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	774	szHint.min_width = szHint.base_width + szHint.width_inc;
583	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	775	szHint.min_height = szHint.base_height + szHint.height_inc;
584		776
585	if (width && width - R->szHint.base_width < max_width) {	777	if (newwidth && newwidth - szHint.base_width < max_width)
		778	{
586	R->szHint.width = width;	779	szHint.width = newwidth;
587	R->TermWin.width = width - R->szHint.base_width;	780	width = newwidth - szHint.base_width;
588	} else {	781	}
589	MIN_IT(R->TermWin.width, max_width);	782	else
		783	{
		784	min_it (width, max_width);
590	R->szHint.width = R->szHint.base_width + R->TermWin.width;	785	szHint.width = szHint.base_width + width;
591	}	786	}
		787
592	if (height && height - R->szHint.base_height < max_height) {	788	if (newheight && newheight - szHint.base_height < max_height)
		789	{
593	R->szHint.height = height;	790	szHint.height = newheight;
594	R->TermWin.height = height - R->szHint.base_height;	791	height = newheight - szHint.base_height;
595	} else {	792	}
596	MIN_IT(R->TermWin.height, max_height);	793	else
		794	{
		795	min_it (height, max_height);
597	R->szHint.height = R->szHint.base_height + R->TermWin.height;	796	szHint.height = szHint.base_height + height;
598	}	797	}
		798
599	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	799	if (scrollBar.state && option (Opt_scrollBar_right))
600	R->window_sb_x = R->szHint.width - sb_w;	800	window_sb_x = szHint.width - sb_w;
601		801
602	if (recalc_x)	802	if (recalc_x)
603	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	803	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
604	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	804
605	if (recalc_y)	805	if (recalc_y)
606	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	806	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
607	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
608		807
609	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	808	ncol = width / fwidth;
610	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	809	nrow = height / fheight;
611	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
612	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
613	R->szHint.height));
614	return;
615	}	810	}
616		811
617	/*----------------------------------------------------------------------*/	812	/*----------------------------------------------------------------------*/
618	/*	813	/*
619	* Tell the teletype handler what size the window is.	814	* Tell the teletype handler what size the window is.
620	* Called after a window size change.	815	* Called after a window size change.
621	*/	816	*/
622	void	817	void
623	rxvt_term::tt_winch ()	818	rxvt_term::tt_winch ()
624	{	819	{
625	struct winsize ws;	820	if (pty->pty < 0)
626
627	if (cmd_fd < 0)
628	return;	821	return;
629		822
		823	struct winsize ws;
		824
630	ws.ws_col = TermWin.ncol;	825	ws.ws_col = ncol;
631	ws.ws_row = TermWin.nrow;	826	ws.ws_row = nrow;
632	ws.ws_xpixel = ws.ws_ypixel = 0;	827	ws.ws_xpixel = width;
633	#ifndef DEBUG_SIZE	828	ws.ws_ypixel = height;
634	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	829	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
635	#else	830
636	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	831	#if 0
637	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	832	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
638	# ifdef SIGWINCH
639	else if (cmd_pid) /* force through to the command */	833	if (cmd_pid) /* force through to the command */
640	kill (cmd_pid, SIGWINCH);	834	kill (-cmd_pid, SIGWINCH);
641	# endif
642	#endif	835	#endif
643	}	836	}
644		837
645	/*----------------------------------------------------------------------*/	838	/*----------------------------------------------------------------------*/
646	/* rxvt_change_font() - Switch to a new font */	839	/* set_fonts () - load and set the various fonts
647	/*	840	*
648	* init = 1 - initialize	841	* init = 1 - initialize
649	*	842	*
650	* fontname == FONT_UP - switch to bigger font	843	* fontname == FONT_UP - switch to bigger font
651	* fontname == FONT_DN - switch to smaller font	844	* fontname == FONT_DN - switch to smaller font
652	*/	845	*/
653	/* EXTPROTO */	846	bool
654	void	847	rxvt_term::set_fonts ()
655	rxvt_change_font(pR_ int init, const char *fontname)
656	{	848	{
657	}	849	rxvt_fontset *fs = new rxvt_fontset (this);
		850	rxvt_fontprop prop;
658		851
659	/* INTPROTO */	852	if (!fs
		853	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		854	|| !fs->realize_font (1))
		855	{
		856	delete fs;
		857	return false;
		858	}
		859
		860	#if ENABLE_STYLES
		861	for (int i = RS_styleCount; --i; )
		862	if (fontset[i] != fontset[0])
		863	delete fontset[i];
		864	#endif
		865
		866	delete fontset[0];
		867	fontset[0] = fs;
		868
		869	prop = (*fs)[1]->properties ();
		870	prop.height += lineSpace;
		871
		872	fs->set_prop (prop, false);
		873
		874	fwidth = prop.width;
		875	fheight = prop.height;
		876	fbase = prop.ascent;
		877
		878	for (int style = 1; style < 4; style++)
		879	{
		880	#if ENABLE_STYLES
		881	const char *res = rs[Rs_font + style];
		882
		883	if (res && !*res)
		884	fontset[style] = fontset[0];
		885	else
		886	{
		887	fontset[style] = fs = new rxvt_fontset (this);
		888	rxvt_fontprop prop2 = prop;
		889
		890	if (res)
		891	{
		892	fs->populate (res);
		893	fs->set_prop (prop2, false);
		894	}
		895	else
		896	{
		897	fs->populate (fontset[0]->fontdesc);
		898
		899	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		900	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		901
		902	fs->set_prop (prop2, true);
		903	}
		904
		905	}
		906	#else
		907	fontset[style] = fontset[0];
		908	#endif
		909	}
		910
		911	if (parent[0])
		912	{
		913	resize_all_windows (0, 0, 0);
		914	scr_remap_chars ();
		915	scr_touch (true);
		916	}
		917
		918	return true;
		919	}
		920
660	void	921	void
661	rxvt_font_up_down(pR_ int n, int direction)	922	rxvt_term::set_string_property (Atom prop, const char *str, int len)
662	{	923	{
		924	XChangeProperty (dpy, parent[0],
		925	prop, XA_STRING, 8, PropModeReplace,
		926	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		927	}
		928
		929	void
		930	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		931	{
		932	wchar_t *ws = rxvt_mbstowcs (str, len);
		933	char *s = rxvt_wcstoutf8 (ws);
		934
		935	XChangeProperty (dpy, parent[0],
		936	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		937	(const unsigned char *)s, strlen (s));
		938
		939	free (s);
		940	free (ws);
663	}	941	}
664		942
665	/*----------------------------------------------------------------------*/	943	/*----------------------------------------------------------------------*/
666	/*----------------------------------------------------------------------*/	944	/*----------------------------------------------------------------------*/
667	/* xterm sequences - title, iconName, color (exptl) */	945	/* xterm sequences - title, iconName, color (exptl) */
668	/* EXTPROTO */
669	void	946	void
670	rxvt_set_title(pR_ const char *str)	947	rxvt_term::set_title (const char *str)
671	{	948	{
672	#ifndef SMART_WINDOW_TITLE	949	set_string_property (XA_WM_NAME, str);
673	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	950	#if ENABLE_EWMH
674	#else	951	set_utf8_property (xa[XA_NET_WM_NAME], str);
675	char *name;
676
677	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
678	name = NULL;
679	if (name == NULL || STRCMP(name, str))
680	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
681	if (name)
682	XFree(name);
683	#endif	952	#endif
684	}	953	}
685		954
686	/* EXTPROTO */
687	void	955	void
688	rxvt_set_iconName(pR_ const char *str)	956	rxvt_term::set_icon_name (const char *str)
689	{	957	{
690	#ifndef SMART_WINDOW_TITLE	958	set_string_property (XA_WM_ICON_NAME, str);
691	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	959	#if ENABLE_EWMH
692	#else	960	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
693	char *name;
694
695	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
696	name = NULL;
697	if (name == NULL || STRCMP(name, str))
698	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
699	if (name)
700	XFree(name);
701	#endif	961	#endif
702	}	962	}
703		963
		964	void
		965	rxvt_term::set_window_color (int idx, const char *color)
		966	{
704	#ifdef XTERM_COLOR_CHANGE	967	#ifdef XTERM_COLOR_CHANGE
705	/* EXTPROTO */
706	void
707	rxvt_set_window_color(pR_ int idx, const char *color)
708	{
709	rxvt_color xcol;	968	rxvt_color xcol;
710	int i;	969	int i;
711		970
712	if (color == NULL || *color == '\0')	971	if (color == NULL || *color == '\0')
713	return;	972	return;
714		973
		974	color = strdup (color);
		975	allocated.push_back ((void *)color);
		976	rs[Rs_color + idx] = color;
		977
715	/* handle color aliases */	978	/* handle color aliases */
716	if (isdigit(*color)) {	979	if (isdigit (*color))
		980	{
717	i = atoi(color);	981	i = atoi (color);
		982
		983	if (i >= 8 && i <= 15)
718	if (i >= 8 && i <= 15) { /* bright colors */	984	{ /* bright colors */
719	i -= 8;	985	i -= 8;
720	# ifndef NO_BRIGHTCOLOR
721	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	986	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
722	SET_PIXCOLOR(R, idx);
723	goto Done;	987	goto done;
724	# endif
725	}	988	}
726	if (i >= 0 && i <= 7) { /* normal colors */	989
727	R->PixColors[idx] = R->PixColors[minCOLOR + i];	990	if (i >= 0 && i <= 7)
728	SET_PIXCOLOR(R, idx);	991	{ /* normal colors */
		992	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
729	goto Done;	993	goto done;
730	}	994	}
731	}	995	}
732	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
733	return;
734	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
735		996
736	/*	997	set_color (xcol, color);
		998
		999	/*
737	* FIXME: should free colors here, but no idea how to do it so instead,	1000	* FIXME: should free colors here, but no idea how to do it so instead,
738	* so just keep gobbling up the colormap	1001	* so just keep gobbling up the colormap
739	*/	1002	*/
740	# if 0
741	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[idx] == R->PixColors[i])
743	break;
744	if (i > Color_White) {
745	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
746	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
747	DisplayPlanes(R->Xdisplay, Xscreen));
748	}
749	# endif
750		1003
751	R->PixColors[idx] = xcol;	1004	pix_colors_focused[idx] = xcol;
752	SET_PIXCOLOR(R, idx);
753		1005
754	/* XSetWindowAttributes attr; */	1006	/* XSetWindowAttributes attr; */
755	/* Cursor cursor; */	1007	/* Cursor cursor; */
756	Done:	1008	done:
757	if (idx == Color_bg && !(R->Options & Opt_transparent))
758	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
759	R->PixColors[Color_bg]);
760
761	/* handle Color_BD, scrollbar background, etc. */	1009	/*TODO: handle Color_BD, scrollbar background, etc. */
762		1010
763	rxvt_set_colorfgbg(aR);	1011	update_fade_color (idx);
764	rxvt_recolour_cursor(aR);	1012	recolour_cursor ();
765	/* the only reasonable way to enforce a clean update */	1013	scr_recolour ();
766	rxvt_scr_poweron(aR);	1014	#endif /* XTERM_COLOR_CHANGE */
767	}	1015	}
768		1016
769	#else
770	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
771	#endif /* XTERM_COLOR_CHANGE */
772
773	/* EXTPROTO */
774	void	1017	void
775	rxvt_recolour_cursor(pR)	1018	rxvt_term::recolour_cursor ()
776	{	1019	{
777	rxvt_color xcol[2];	1020	XColor fg, bg;
778		1021
779	#if TODO	1022	(ISSET_PIXCOLOR (Color_pointer_fg)
780	xcol[0] = R->PixColors[Color_pointer];	1023	? pix_colors_focused[Color_pointer_fg]
781	xcol[1] = R->PixColors[Color_bg];	1024	: pix_colors_focused[Color_fg]).get (fg);
782	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1025
783	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1026	(ISSET_PIXCOLOR (Color_pointer_bg)
784	#endif	1027	? pix_colors_focused[Color_pointer_bg]
		1028	: pix_colors_focused[Color_bg]).get (bg);
		1029
		1030	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
785	}	1031	}
786		1032
787	/*----------------------------------------------------------------------*/	1033	/*----------------------------------------------------------------------*/
788	/*	1034	/*
789	* find if fg/bg matches any of the normal (low-intensity) colors	1035	* find if fg/bg matches any of the normal (low-intensity) colors
790	*/	1036	*/
791	/* INTPROTO */
792	void	1037	void
793	rxvt_set_colorfgbg(pR)	1038	rxvt_term::set_colorfgbg ()
794	{	1039	{
795	unsigned int i;	1040	unsigned int i;
796	const char *xpmb = "\0";	1041	const char *xpmb = "\0";
797	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1042	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
798		1043
799	R->env_colorfgbg =	1044	strcpy (fstr, "default");
800	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1045	strcpy (bstr, "default");
801	STRCPY(fstr, "default");
802	STRCPY(bstr, "default");
803	for (i = Color_Black; i <= Color_White; i++)	1046	for (i = Color_Black; i <= Color_White; i++)
804	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1047	if (pix_colors[Color_fg] == pix_colors[i])
		1048	{
805	sprintf(fstr, "%d", (i - Color_Black));	1049	sprintf (fstr, "%d", (i - Color_Black));
806	break;	1050	break;
807	}	1051	}
		1052
808	for (i = Color_Black; i <= Color_White; i++)	1053	for (i = Color_Black; i <= Color_White; i++)
809	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1054	if (pix_colors[Color_bg] == pix_colors[i])
		1055	{
810	sprintf(bstr, "%d", (i - Color_Black));	1056	sprintf (bstr, "%d", (i - Color_Black));
811	#ifdef XPM_BACKGROUND	1057	#ifdef BG_IMAGE_FROM_FILE
812	xpmb = "default;";	1058	xpmb = "default;";
813	#endif	1059	#endif
814	break;	1060	break;
815	}	1061	}
		1062
816	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1063	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
817	putenv(R->env_colorfgbg);
818
819	#ifndef NO_BRIGHTCOLOR
820	R->colorfgbg = DEFAULT_RSTYLE;
821	for (i = minCOLOR; i <= maxCOLOR; i++) {
822	if (R->PixColors[Color_fg] == R->PixColors[i])
823	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
824	if (R->PixColors[Color_bg] == R->PixColors[i])
825	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
826	}
827	#endif
828	}	1064	}
829		1065
830	/*----------------------------------------------------------------------*/	1066	/*----------------------------------------------------------------------*/
831	/*
832	* Colour determination for low colour displays, routine from
833	* Hans de Goede <hans@highrise.nl>
834	*/
835		1067
836	/* EXTPROTO */	1068	bool
837	int	1069	rxvt_term::set_color (rxvt_color &color, const char *name)
838	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
839	{	1070	{
840	screen_in_out->set(aR_ colour);	1071	if (color.set (this, name))
841
842	if (!screen_in_out->set(aR_ colour)) {
843	rxvt_print_error("can't allocate colour: %s", colour);
844	return false;
845	}
846
847	return true;	1072	return true;
		1073
		1074	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		1075	return false;
		1076	}
		1077
		1078	void
		1079	rxvt_term::alias_color (int dst, int src)
		1080	{
		1081	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
848	}	1082	}
849		1083
850	/* -------------------------------------------------------------------- *	1084	/* -------------------------------------------------------------------- *
851	* - WINDOW RESIZING - *	1085	* - WINDOW RESIZING - *
852	* -------------------------------------------------------------------- */	1086	* -------------------------------------------------------------------- */
853	/* EXTPROTO */
854	void	1087	void
855	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1088	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
856	int ignoreparent)
857	{	1089	{
858	int fix_screen;	1090	int fix_screen;
		1091	int old_width = szHint.width;
		1092	int old_height = szHint.height;
859		1093
		1094	window_calc (newwidth, newheight);
		1095
		1096	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
		1097	XSetWMNormalHints (dpy, parent[0], &szHint);
		1098
		1099	if (!ignoreparent)
		1100	{
860	#ifdef SMART_RESIZE	1101	#ifdef SMART_RESIZE
861	int old_width = R->szHint.width, old_height = R->szHint.height;	1102	/*
862	#endif
863
864	rxvt_window_calc(aR_ width, height);
865	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
866	if (!ignoreparent) {
867	#ifdef SMART_RESIZE
868	/*
869	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1103	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
870	* reposition window on resize depending on placement on screen	1104	* reposition window on resize depending on placement on screen
871	*/	1105	*/
872	int x, y, x1, y1;	1106	int x, y, x1, y1;
873	int dx, dy;	1107	int dx, dy;
874	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1108	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
875	Window unused_cr;	1109	Window unused_cr;
876		1110
877	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1111	XTranslateCoordinates (dpy, parent[0], display->root,
878	0, 0, &x, &y, &unused_cr);	1112	0, 0, &x, &y, &unused_cr);
879	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1113	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
880	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1114	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
881	/*	1115	/*
882	* if Xroot isn't the parent window, a WM will probably have offset	1116	* if display->root isn't the parent window, a WM will probably have offset
883	* our position for handles and decorations. Counter it	1117	* our position for handles and decorations. Counter it
884	*/	1118	*/
885	if (x1 != x || y1 != y) {	1119	if (x1 != x || y1 != y)
		1120	{
886	x -= x1;	1121	x -= x1;
887	y -= y1;	1122	y -= y1;
888	}	1123	}
889		1124
890	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1125	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
891	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1126	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
892	dx = old_width - R->szHint.width;	1127	dx = old_width - szHint.width;
893	dy = old_height - R->szHint.height;	1128	dy = old_height - szHint.height;
894		1129
895	/* Check position of the center of the window */	1130	/* Check position of the center of the window */
896	if (x < x1) /* left half */	1131	if (x < x1) /* left half */
897	dx = 0;	1132	dx = 0;
898	else if (x == x1) /* exact center */	1133	else if (x == x1) /* exact center */
899	dx /= 2;	1134	dx /= 2;
900	if (y < y1) /* top half */	1135	if (y < y1) /* top half */
901	dy = 0;	1136	dy = 0;
902	else if (y == y1) /* exact center */	1137	else if (y == y1) /* exact center */
903	dy /= 2;	1138	dy /= 2;
904		1139
905	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1140	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
906	R->szHint.width, R->szHint.height);	1141	szHint.width, szHint.height);
907	#else	1142	#else
908	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1143	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
909	R->szHint.height);
910	#endif	1144	#endif
911	}	1145	}
912		1146
913	fix_screen = (R->TermWin.ncol != R->prev_ncol	1147	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
914	|| R->TermWin.nrow != R->prev_nrow);	1148
915	if (fix_screen || width != R->old_width || height != R->old_height) {	1149	if (fix_screen || newwidth != old_width || newheight != old_height)
916	if (scrollbar_visible(R)) {	1150	{
		1151	if (scrollBar.state)
		1152	{
917	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1153	XMoveResizeWindow (dpy, scrollBar.win,
		1154	window_sb_x, 0,
918	0, scrollbar_TotalWidth(), R->szHint.height);	1155	scrollbar_TotalWidth (), szHint.height);
919	rxvt_Resize_scrollBar(aR);	1156	resize_scrollbar ();
920	}	1157	}
921	if (menubar_visible(R))	1158
922	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1159	XMoveResizeWindow (dpy, vt,
923	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1160	window_vt_x, window_vt_y,
924	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
925	R->window_vt_y, TermWin_TotalWidth(),
926	TermWin_TotalHeight());	1161	width, height);
927	#ifdef RXVT_GRAPHICS	1162
928	if (R->old_height)	1163	#ifdef HAVE_BG_PIXMAP
929	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,	1164	if (bgPixmap.window_size_sensitive ())
930	R->old_height - R->szHint.base_height);	1165	update_background ();
931	#endif	1166	#endif
		1167
932	rxvt_scr_clear(aR);	1168	scr_clear ();
933	#ifdef XPM_BACKGROUND
934	rxvt_resize_pixmap(aR);
935	#endif
936	}	1169	}
937		1170
938	if (fix_screen || R->old_height == 0) {	1171	if (fix_screen || old_height == 0)
939	int curr_screen = -1;
940	uint16_t old_ncol = R->prev_ncol;
941
942	/* scr_reset only works on the primary screen */
943	if (R->old_height) /* this is not the first time through */
944	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
945
946	R->scr_reset();	1172	scr_reset ();
947		1173
948	if (curr_screen >= 0) { /* this is not the first time through */	1174	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
949	rxvt_scr_change_screen(aR_ curr_screen);	1175	//scr_touch (false);
950	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
951	}
952	}
953		1176
954	R->old_width = R->szHint.width;	1177	#ifdef HAVE_BG_PIXMAP
955	R->old_height = R->szHint.height;	1178	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1179	// if (bgPixmap.pixmap)
		1180	// scr_touch (false);
		1181	#endif
956		1182
957	#ifdef USE_XIM	1183	#ifdef USE_XIM
958	rxvt_IMSetStatusPosition(aR);	1184	IMSetPosition ();
959	#endif	1185	#endif
960	}	1186	}
961		1187
962	/*	1188	/*
963	* Set the width/height of the vt window in characters. Units are pixels.	1189	* Set the width/height of the vt window in characters. Units are pixels.
964	* good for toggling 80/132 columns	1190	* good for toggling 80/132 columns
965	*/	1191	*/
966	/* EXTPROTO */
967	void	1192	void
968	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1193	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
969	{	1194	{
970	XWindowAttributes wattr;	1195	XWindowAttributes wattr;
971		1196
972	if (width == 0 || height == 0) {	1197	if (newwidth == 0 || newheight == 0)
		1198	{
973	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1199	XGetWindowAttributes (dpy, display->root, &wattr);
		1200
974	if (width == 0)	1201	if (newwidth == 0)
975	width = wattr.width - R->szHint.base_width;	1202	newwidth = wattr.width - szHint.base_width;
976	if (height == 0)	1203	if (newheight == 0)
977	height = wattr.height - R->szHint.base_height;	1204	newheight = wattr.height - szHint.base_height;
		1205	}
		1206
		1207	if (newwidth != width || newheight != height)
978	}	1208	{
979	if (width != R->TermWin.width || height != R->TermWin.height) {
980	width += R->szHint.base_width;	1209	newwidth += szHint.base_width;
981	height += R->szHint.base_height;	1210	newheight += szHint.base_height;
982	rxvt_resize_all_windows(aR_ width, height, 0);	1211	resize_all_windows (newwidth, newheight, 0);
983	}	1212	}
984	}	1213	}
985		1214
986	/* -------------------------------------------------------------------- *	1215	/* -------------------------------------------------------------------- *
987	* - X INPUT METHOD ROUTINES - *	1216	* - X INPUT METHOD ROUTINES - *
988	* -------------------------------------------------------------------- */	1217	* -------------------------------------------------------------------- */
989	#ifdef USE_XIM	1218	#ifdef USE_XIM
990	/* INTPROTO */
991	void
992	rxvt_setSize(pR_ XRectangle * size)
993	{
994	size->x = R->TermWin.int_bwidth;
995	size->y = R->TermWin.int_bwidth;
996	size->width = Width2Pixel(R->TermWin.ncol);
997	size->height = Height2Pixel(R->TermWin.nrow);
998	}
999		1219
1000	/* INTPROTO */
1001	void	1220	void
1002	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1221	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1003	{	1222	{
1004	*fg = R->PixColors[Color_fg];	1223	fg = pix_colors [Color_fg];
1005	*bg = R->PixColors[Color_bg];	1224	bg = pix_colors [Color_bg];
		1225	}
		1226
		1227	void
		1228	rxvt_term::im_set_size (XRectangle &size)
		1229	{
		1230	// the int_bwidth terms make no sense to me
		1231	size.x = int_bwidth;
		1232	size.y = int_bwidth;
		1233	size.width = Width2Pixel (ncol) + int_bwidth;
		1234	size.height = Height2Pixel (nrow) + int_bwidth;
		1235	}
		1236
		1237	void
		1238	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1239	XRectangle &status_rect,
		1240	const XRectangle &needed_rect)
		1241	{
		1242	preedit_rect.x = needed_rect.width;
		1243	preedit_rect.y = 0;
		1244	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1245	preedit_rect.height = fheight;
		1246
		1247	status_rect.x = 0;
		1248	status_rect.y = 0;
		1249	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1250	status_rect.height = fheight;
1006	}	1251	}
1007		1252
1008	/* Checking whether input method is running. */	1253	/* Checking whether input method is running. */
1009	/* INTPROTO */
1010	Bool	1254	bool
1011	rxvt_IMisRunning(pR)	1255	rxvt_term::IMisRunning ()
1012	{	1256	{
1013	char *p;	1257	char *p;
1014	Atom atom;	1258	Atom atom;
1015	Window win;	1259	Window win;
1016	char server[IMBUFSIZ];	1260	char server[IMBUFSIZ];
1017		1261
1018	/* get current locale modifier */	1262	/* get current locale modifier */
1019	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1263	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1264	{
1020	STRCPY(server, "@server=");	1265	strcpy (server, "@server=");
1021	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1266	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1267
1022	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1268	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1023	*p = '\0';	1269	*p = '\0';
1024		1270
1025	atom = XInternAtom(R->Xdisplay, server, False);	1271	atom = XInternAtom (dpy, server, False);
1026	win = XGetSelectionOwner(R->Xdisplay, atom);	1272	win = XGetSelectionOwner (dpy, atom);
		1273
1027	if (win != None)	1274	if (win != None)
1028	return True;	1275	return True;
1029	}	1276	}
		1277
1030	return False;	1278	return False;
1031	}	1279	}
1032		1280
1033	/* EXTPROTO */
1034	void	1281	void
1035	rxvt_IMSendSpot(pR)	1282	rxvt_term::IMSendSpot ()
1036	{	1283	{
1037	XPoint spot;	1284	XPoint nspot;
1038	XVaNestedList preedit_attr;	1285	XVaNestedList preedit_attr;
1039		1286
1040	if (R->Input_Context == NULL	1287	if (!Input_Context
1041	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1288	|| !focus
1042	|| !(R->event_type == KeyPress	1289	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1043	|| R->event_type == Expose
1044	|| R->event_type == NoExpose
1045	|| R->event_type == SelectionNotify
1046	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1047	|| !rxvt_IMisRunning(aR))
1048	return;	1290	return;
1049		1291
1050	rxvt_setPosition(aR_ & spot);	1292	im_set_position (nspot);
1051		1293
		1294	if (nspot.x == spot.x && nspot.y == spot.y)
		1295	return;
		1296
		1297	spot = nspot;
		1298
1052	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1299	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1053	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1300	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1054	XFree(preedit_attr);	1301	XFree (preedit_attr);
1055	}	1302	}
1056		1303
1057	/* EXTPROTO */
1058	void	1304	void
1059	rxvt_setTermFontSet(pR_ int idx)	1305	rxvt_term::im_destroy ()
1060	{	1306	{
1061	char *string;	1307	if (input_method)
1062	long length;	1308	{
1063	int success = 0;	1309	if (Input_Context && input_method->xim)
		1310	XDestroyIC (Input_Context);
1064		1311
1065	if (idx < 0 || idx >= MAX_NFONTS)	1312	display->put_xim (input_method);
1066	return;	1313	input_method = 0;
1067	}	1314	}
1068		1315
1069	/* INTPROTO */
1070	void
1071	rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1072	XRectangle * needed_rect)
1073	{
1074	int mbh, vtx = 0;
1075
1076	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1077	vtx = scrollbar_TotalWidth();
1078	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1079	mbh -= R->TermWin.lineSpace;
1080
1081	preedit_rect->x = needed_rect->width + vtx;
1082	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1083
1084	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1085	+ vtx;
1086	preedit_rect->height = Height2Pixel(1);
1087
1088	status_rect->x = vtx;
1089	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1090
1091	status_rect->width = needed_rect->width ? needed_rect->width
1092	: Width2Pixel(R->TermWin.ncol + 1);
1093	status_rect->height = Height2Pixel(1);
1094	}
1095
1096	/* ARGSUSED */
1097	/* INTPROTO */
1098	void
1099	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1100	__attribute__ ((unused)), XPointer call_data
1101	__attribute__ ((unused)))
1102	{
1103	dR;
1104
1105	R->Input_Context = NULL;	1316	Input_Context = 0;
1106	/* To avoid Segmentation Fault in C locale: Solaris only? */
1107	if (STRCMP(R->locale, "C"))
1108	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1109	rxvt_IMInstantiateCallback, NULL);
1110	}	1317	}
		1318
		1319	#ifdef ENABLE_XIM_ONTHESPOT
		1320
		1321	static void
		1322	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1323	{
		1324	((rxvt_term *)client_data)->make_current ();
		1325	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1326	}
		1327
		1328	static void
		1329	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1330	{
		1331	((rxvt_term *)client_data)->make_current ();
		1332	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1333	}
		1334
		1335	static void
		1336	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1337	{
		1338	rxvt_term *term = (rxvt_term *)client_data;
		1339	XIMText *text = call_data->text;
		1340
		1341	term->make_current ();
		1342
		1343	if (text)
		1344	{
		1345	void *str;
		1346
		1347	if (!text->encoding_is_wchar && text->string.multi_byte)
		1348	{
		1349	// of course, X makes it ugly again
		1350	if (term->rs[Rs_imLocale])
		1351	SET_LOCALE (term->rs[Rs_imLocale]);
		1352
		1353	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1354	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1355
		1356	if (term->rs[Rs_imLocale])
		1357	SET_LOCALE (term->locale);
		1358	}
		1359	else
		1360	str = (void *)text->string.wide_char;
		1361
		1362	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1363	DT_INT, call_data->caret,
		1364	DT_INT, call_data->chg_first,
		1365	DT_INT, call_data->chg_length,
		1366	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1367	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1368	DT_END));
		1369	}
		1370	else
		1371	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1372	DT_INT, call_data->caret,
		1373	DT_INT, call_data->chg_first,
		1374	DT_INT, call_data->chg_length,
		1375	DT_END));
		1376	}
		1377
		1378	#if 0
		1379	static void
		1380	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1381	{
		1382	((rxvt_term *)client_data)->make_current ();
		1383	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1384	DT_INT, call_data->position,
		1385	DT_INT, call_data->direction,
		1386	DT_INT, call_data->style,
		1387	DT_END));
		1388	}
		1389	#endif
		1390
		1391	#endif
1111		1392
1112	/*	1393	/*
1113	* X manual pages and include files don't match on some systems:	1394	* Try to open a XIM with the current modifiers, then see if we can
1114	* some think this is an XIDProc and others an XIMProc so we can't	1395	* open a suitable preedit type
1115	* use the first argument - need to update this to be nice for
1116	* both types via some sort of configure detection
1117	*/	1396	*/
1118	/* ARGSUSED */	1397	bool
1119	/* EXTPROTO */	1398	rxvt_term::IM_get_IC (const char *modifiers)
1120	void
1121	rxvt_IMInstantiateCallback(Display * unused
1122	__attribute__ ((unused)), XPointer client_data
1123	__attribute__ ((unused)), XPointer call_data
1124	__attribute__ ((unused)))
1125	{	1399	{
1126	dR;	1400	int i, j, found;
1127	int i, found, had_im;	1401	XIM xim;
		1402	XPoint spot;
		1403	XRectangle rect, status_rect, needed_rect;
		1404	unsigned long fg, bg;
		1405	const char *p;
		1406	char **s;
		1407	XIMStyles *xim_styles;
		1408	#ifdef ENABLE_XIM_ONTHESPOT
		1409	XIMCallback xcb[4];
		1410	#endif
		1411
		1412	set_environ (envv);
		1413
		1414	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1415	return false;
		1416
		1417	input_method = display->get_xim (locale, modifiers);
		1418	if (input_method == NULL)
		1419	return false;
		1420
		1421	xim = input_method->xim;
		1422	spot.x = spot.y = -1;
		1423
		1424	xim_styles = NULL;
		1425	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
		1426	|| !xim_styles || !xim_styles->count_styles)
		1427	{
		1428	im_destroy ();
		1429	return false;
		1430	}
		1431
		1432	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1433
		1434	for (int pi = 0; pi < 2; pi++)
		1435	{
		1436	p = pet[pi];
		1437
		1438	if (!p)
		1439	continue;
		1440
		1441	s = rxvt_splitcommastring (p);
		1442
		1443	for (i = found = 0; !found && s[i]; i++)
		1444	{
		1445	if (!strcmp (s[i], "OverTheSpot"))
		1446	input_style = XIMPreeditPosition | XIMStatusNothing;
		1447	else if (!strcmp (s[i], "OffTheSpot"))
		1448	input_style = XIMPreeditArea | XIMStatusArea;
		1449	else if (!strcmp (s[i], "Root"))
		1450	input_style = XIMPreeditNothing | XIMStatusNothing;
		1451	else if (!strcmp (s[i], "None"))
		1452	input_style = XIMPreeditNone | XIMStatusNone;
		1453	#ifdef ENABLE_XIM_ONTHESPOT
		1454	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1455	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1456	#endif
		1457	else
		1458	input_style = XIMPreeditNothing | XIMStatusNothing;
		1459
		1460	for (j = 0; j < xim_styles->count_styles; j++)
		1461	if (input_style == xim_styles->supported_styles[j])
		1462	{
		1463	rxvt_freecommastring (s);
		1464
		1465	found = 1;
		1466	goto foundpet;
		1467	}
		1468
		1469	}
		1470
		1471	rxvt_freecommastring (s);
		1472	}
		1473
		1474	foundpet:
		1475
		1476	XFree (xim_styles);
		1477
		1478	if (!found)
		1479	{
		1480	im_destroy ();
		1481	return false;
		1482	}
		1483
		1484	XFontSet fs = 0;
		1485	XVaNestedList preedit_attr = 0, status_attr = 0;
		1486
		1487	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1488	{
		1489	// fake us a font-set, please
		1490	char **missing_charset_list;
		1491	int missing_charset_count;
		1492	char *def_string;
		1493	char pat[512];
		1494
		1495	sprintf (pat,
		1496	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1497	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1498	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1499	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1500	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1501	"*",
		1502	fheight,
		1503	fheight + 1, fheight - 1,
		1504	fheight - 2, fheight + 2);
		1505
		1506	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1507	&missing_charset_list, &missing_charset_count, &def_string);
		1508
		1509	if (missing_charset_list)
		1510	XFreeStringList (missing_charset_list);
		1511
		1512	if (!fs)
		1513	{
		1514	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1515	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1516	}
		1517	}
		1518
		1519	if (input_style & XIMPreeditPosition)
		1520	{
		1521	im_set_size (rect);
		1522	im_set_position (spot);
		1523	im_set_color (fg, bg);
		1524
		1525	preedit_attr = XVaCreateNestedList (0,
		1526	XNForeground, fg,
		1527	XNBackground, bg,
		1528	XNArea, &rect,
		1529	XNSpotLocation, &spot,
		1530	XNFontSet, fs,
		1531	NULL);
		1532	}
		1533	else if (input_style & XIMPreeditArea)
		1534	{
		1535	im_set_color (fg, bg);
		1536
		1537	/*
		1538	* The necessary width of preedit area is unknown
		1539	* until create input context.
		1540	*/
		1541	needed_rect.width = 0;
		1542	im_set_preedit_area (rect, status_rect, needed_rect);
		1543
		1544	preedit_attr = XVaCreateNestedList (0,
		1545	XNForeground, fg,
		1546	XNBackground, bg,
		1547	XNArea, &rect,
		1548	XNFontSet, fs,
		1549	NULL);
		1550	status_attr = XVaCreateNestedList (0,
		1551	XNForeground, fg,
		1552	XNBackground, bg,
		1553	XNArea, &status_rect,
		1554	XNFontSet, fs,
		1555	NULL);
		1556	}
		1557	#if ENABLE_XIM_ONTHESPOT
		1558	else if (input_style & XIMPreeditCallbacks)
		1559	{
		1560	im_set_position (spot);
		1561
		1562	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1563	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1564	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1565	# if 0
		1566	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1567	# endif
		1568
		1569	preedit_attr = XVaCreateNestedList (0,
		1570	XNSpotLocation, &spot,
		1571	XNPreeditStartCallback, &xcb[0],
		1572	XNPreeditDoneCallback , &xcb[1],
		1573	XNPreeditDrawCallback , &xcb[2],
		1574	# if 0
		1575	XNPreeditCaretCallback, &xcb[3],
		1576	# endif
		1577	NULL);
		1578	}
		1579	#endif
		1580
		1581	Input_Context = XCreateIC (xim,
		1582	XNInputStyle, input_style,
		1583	XNClientWindow, vt,
		1584	XNFocusWindow, parent[0],
		1585	preedit_attr ? XNPreeditAttributes : NULL,
		1586	preedit_attr,
		1587	status_attr ? XNStatusAttributes : NULL,
		1588	status_attr, NULL);
		1589
		1590	if (preedit_attr) XFree (preedit_attr);
		1591	if (status_attr) XFree (status_attr);
		1592	if (fs) XFreeFontSet (dpy, fs);
		1593
		1594	if (Input_Context == NULL)
		1595	{
		1596	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1597	im_destroy ();
		1598	return false;
		1599	}
		1600
		1601	#if 0
		1602	// unfortunately, only the focus window is used by XIM, hard to fix
		1603	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1604	vt_select_input ();
		1605	#endif
		1606
		1607	IMSetPosition ();
		1608
		1609	return true;
		1610	}
		1611
		1612	void
		1613	rxvt_term::im_cb ()
		1614	{
		1615	int i;
1128	const char *p;	1616	const char *p;
1129	char **s;	1617	char **s;
1130	char buf[IMBUFSIZ];	1618	char buf[IMBUFSIZ];
1131		1619
1132	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1620	make_current ();
		1621
		1622	im_destroy ();
		1623
1133	if (R->Input_Context)	1624	if (Input_Context)
1134	return;	1625	return;
1135		1626
		1627	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1628	if (rs[Rs_imLocale])
		1629	SET_LOCALE (rs[Rs_imLocale]);
		1630	#endif
		1631
1136	p = R->rs[Rs_inputMethod];	1632	p = rs[Rs_inputMethod];
1137	if (p && *p)	1633	if (p && *p)
1138	{	1634	{
1139	bool found = false;	1635	bool found = false;
1140		1636
1141	s = rxvt_splitcommastring (p);	1637	s = rxvt_splitcommastring (p);
		1638
1142	for (i = 0; s[i]; i++)	1639	for (i = 0; s[i]; i++)
1143	{	1640	{
1144	if (*s[i])	1641	if (*s[i])
1145	{	1642	{
1146	STRCPY (buf, "@im=");	1643	strcpy (buf, "@im=");
1147	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1644	strncat (buf, s[i], IMBUFSIZ - 5);
1148	if ((p = XSetLocaleModifiers (buf)) && *p	1645	if (IM_get_IC (buf))
1149	&& rxvt_IM_get_IC (aR))
1150	{	1646	{
1151	found = true;	1647	found = true;
1152	break;	1648	break;
1153	}	1649	}
1154	}	1650	}
1155	}	1651	}
1156	for (i = 0; s[i]; i++)	1652
1157	free(s[i]);	1653	rxvt_freecommastring (s);
1158	free(s);
1159		1654
1160	if (found)	1655	if (found)
1161	return;	1656	goto done;
1162	}	1657	}
1163		1658
1164	/* try with XMODIFIERS env. var. */	1659	/* try with XMODIFIERS env. var. */
1165	if ((p = XSetLocaleModifiers ("")) && *p	1660	if (IM_get_IC (""))
1166	&& rxvt_IM_get_IC (aR))	1661	goto done;
		1662
		1663	/* try with no modifiers base IF the user didn't specify an IM */
		1664	if (IM_get_IC ("@im=none"))
		1665	goto done;
		1666
		1667	done:
		1668	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1669	if (rs[Rs_imLocale])
		1670	SET_LOCALE (locale);
		1671	#endif
		1672	}
		1673
		1674	void
		1675	rxvt_term::IMSetPosition ()
		1676	{
		1677	XRectangle preedit_rect, status_rect, *needed_rect;
		1678	XVaNestedList preedit_attr, status_attr;
		1679
		1680	if (!Input_Context
		1681	|| !focus
		1682	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
		1683	|| !IMisRunning ())
1167	return;	1684	return;
1168		1685
1169	/* try with no modifiers base IF the user didn't specify an IM */
1170	if ((p = XSetLocaleModifiers ("@im=none")) && *p
1171	&& rxvt_IM_get_IC (aR) == True)
1172	return;
1173	}
1174
1175	/*
1176	* Try to open a XIM with the current modifiers, then see if we can
1177	* open a suitable preedit type
1178	*/
1179	/* INTPROTO */
1180	Bool
1181	rxvt_IM_get_IC(pR)
1182	{
1183	int i, j, found;
1184	XIM xim;
1185	XPoint spot;
1186	XRectangle rect, status_rect, needed_rect;
1187	unsigned long fg, bg;
1188	const char *p;
1189	char **s;
1190	XIMStyles *xim_styles;
1191	XVaNestedList preedit_attr, status_attr;
1192	XIMCallback ximcallback;
1193
1194	D_MAIN((stderr, "rxvt_IM_get_IC()"));
1195	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);
1196	if (xim == NULL)
1197	return False;
1198
1199	xim_styles = NULL;
1200	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)
1201	|| !xim_styles || !xim_styles->count_styles) {
1202	XCloseIM(xim);
1203	return False;
1204	}
1205
1206	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]
1207	: "OverTheSpot,OffTheSpot,Root";
1208	s = rxvt_splitcommastring(p);
1209	for (i = found = 0; !found && s[i]; i++) {
1210	if (!STRCMP(s[i], "OverTheSpot"))
1211	R->input_style = (XIMPreeditPosition | XIMStatusNothing);
1212	else if (!STRCMP(s[i], "OffTheSpot"))
1213	R->input_style = (XIMPreeditArea | XIMStatusArea);
1214	else if (!STRCMP(s[i], "Root"))
1215	R->input_style = (XIMPreeditNothing | XIMStatusNothing);
1216
1217	for (j = 0; j < xim_styles->count_styles; j++)
1218	if (R->input_style == xim_styles->supported_styles[j]) {
1219	found = 1;
1220	break;
1221	}
1222	}
1223	for (i = 0; s[i]; i++)
1224	free(s[i]);
1225	free(s);
1226	XFree(xim_styles);
1227
1228	if (!found) {
1229	XCloseIM(xim);
1230	return False;
1231	}
1232
1233	ximcallback.callback = rxvt_IMDestroyCallback;
1234
1235	/* XXX: not sure why we need this (as well as IC one below) */
1236	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1237
1238	preedit_attr = status_attr = NULL;
1239
1240	if (R->input_style & XIMPreeditPosition) {	1686	if (input_style & XIMPreeditPosition)
1241	rxvt_setSize(aR_ & rect);	1687	{
1242	rxvt_setPosition(aR_ & spot);	1688	im_set_size (preedit_rect);
1243	rxvt_setColor(aR_ & fg, &bg);
1244
1245	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1689	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1246	XNSpotLocation, &spot,
1247	XNForeground, fg, XNBackground, bg,
1248	//XNFontSet, R->TermWin.fontset,
1249	NULL);
1250	} else if (R->input_style & XIMPreeditArea) {
1251	rxvt_setColor(aR_ & fg, &bg);
1252		1690
1253	/*	1691	XSetICValues (Input_Context,
1254	* The necessary width of preedit area is unknown	1692	XNPreeditAttributes, preedit_attr, NULL);
1255	* until create input context.	1693	}
1256	*/	1694	else
1257	needed_rect.width = 0;
1258
1259	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1260
1261	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1262	XNForeground, fg, XNBackground, bg,
1263	//XNFontSet, R->TermWin.fontset,
1264	NULL);
1265	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1266	XNForeground, fg, XNBackground, bg,
1267	//XNFontSet, R->TermWin.fontset,
1268	NULL);
1269	}	1695	{
1270	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1271	XNClientWindow, R->TermWin.parent[0],
1272	XNFocusWindow, R->TermWin.parent[0],
1273	XNDestroyCallback, &ximcallback,
1274	preedit_attr ? XNPreeditAttributes : NULL,
1275	preedit_attr,
1276	status_attr ? XNStatusAttributes : NULL,
1277	status_attr, NULL);
1278	if (preedit_attr)
1279	XFree(preedit_attr);
1280	if (status_attr)
1281	XFree(status_attr);
1282	if (R->Input_Context == NULL) {
1283	rxvt_print_error("failed to create input context");
1284	XCloseIM(xim);
1285	return False;
1286	}
1287	if (R->input_style & XIMPreeditArea)
1288	rxvt_IMSetStatusPosition(aR);
1289	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1290	return True;
1291	}
1292
1293	/* EXTPROTO */
1294	void
1295	rxvt_IMSetStatusPosition(pR)
1296	{
1297	XRectangle preedit_rect, status_rect, *needed_rect;
1298	XVaNestedList preedit_attr, status_attr;
1299
1300	if (R->Input_Context == NULL
1301	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)
1302	|| !rxvt_IMisRunning(aR))
1303	return;
1304
1305	/* Getting the necessary width of preedit area */	1696	/* Getting the necessary width of preedit area */
1306	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1697	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1307	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1698	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1308	XFree(status_attr);	1699	XFree (status_attr);
1309		1700
1310	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1701	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1702	XFree (needed_rect);
1311		1703
1312	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1704	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1313	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1705	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1314		1706
1315	XSetICValues(R->Input_Context,	1707	XSetICValues (Input_Context,
1316	XNPreeditAttributes, preedit_attr,	1708	XNPreeditAttributes, preedit_attr,
1317	XNStatusAttributes, status_attr, NULL);	1709	XNStatusAttributes, status_attr,
		1710	NULL);
1318		1711
		1712	XFree (status_attr);
		1713	}
		1714
1319	XFree(preedit_attr);	1715	XFree (preedit_attr);
1320	XFree(status_attr);
1321	}	1716	}
1322	#endif /* USE_XIM */	1717	#endif /* USE_XIM */
1323		1718
1324	/*----------------------------------------------------------------------*/	1719	void
1325	rxvt_t rxvt_current_term;	1720	rxvt_term::get_window_origin (int &x, int &y)
		1721	{
		1722	Window cr;
		1723	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1724	/* fprintf( stderr, "origin is %+d%+d\n", x, y);*/
		1725	}
		1726
		1727	Pixmap
		1728	rxvt_term::get_pixmap_property (int prop_id)
		1729	{
		1730	if (prop_id > 0 && prop_id < NUM_XA)
		1731	if (xa[prop_id])
		1732	{
		1733	int aformat;
		1734	unsigned long nitems, bytes_after;
		1735	Atom atype;
		1736	unsigned char *prop = NULL;
		1737	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1738	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1739	&nitems, &bytes_after, &prop);
		1740	if (result == Success && prop && atype == XA_PIXMAP)
		1741	{
		1742	return *(Pixmap *)prop;
		1743	}
		1744	}
		1745	return None;
		1746	}
		1747
		1748	#ifdef HAVE_BG_PIXMAP
		1749	# if TRACE_PIXMAPS
		1750	# undef update_background
		1751	int rxvt_term::trace_update_background (const char* file, int line)
		1752	{
		1753	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1754	update_background ();
		1755	}
		1756	# endif
		1757	int
		1758	rxvt_term::update_background ()
		1759	{
		1760	bgPixmap.invalidate ();
		1761
		1762	/* no chance of real time refresh if we are blurring! */
		1763	if (bgPixmap.invalid_since + 0.5 < ev::now () && !(bgPixmap.flags & bgPixmap_t::blurNeeded))
		1764	bgPixmap.render ();
		1765	else
		1766	{
		1767	update_background_ev.stop ();
		1768
		1769	if (!bgPixmap.need_client_side_rendering())
		1770	update_background_ev.start (.05);
		1771	else if (bgPixmap.flags & bgPixmap_t::blurNeeded)
		1772	update_background_ev.start (.20); /* very slow !!! */
		1773	else
		1774	update_background_ev.start (.07);
		1775	}
		1776
		1777	return 0;
		1778	}
		1779
		1780	void
		1781	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1782	{
		1783	bgPixmap.render ();
		1784	}
		1785
		1786	#endif /* HAVE_BG_PIXMAP */
1326		1787
1327	/*----------------------- end-of-file (C source) -----------------------*/	1788	/*----------------------- end-of-file (C source) -----------------------*/

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