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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.7 by pcg, Wed Nov 26 10:42:34 2003 UTC vs.
Revision 1.301 by ayin, Sat Jan 19 13:00:10 2008 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.7 2003/11/26 10:42:34 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2007 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
40	# include <grp.h>
41	#endif
42
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	43	#include <termios.h>
		44
		45	#ifdef HAVE_XSETLOCALE
		46	# define X_LOCALE
		47	# include <X11/Xlocale.h>
		48	#else
		49	# ifdef HAVE_SETLOCALE
		50	# include <clocale>
45	#endif	51	# endif
		52	#endif
46		53
		54	vector<rxvt_term *> rxvt_term::termlist;
		55
		56	// used to tell global functions which terminal instance is "active"
		57	rxvt_t rxvt_current_term;
		58
		59	static char curlocale[128], savelocale[128];
		60
		61	bool
		62	rxvt_set_locale (const char *locale) NOTHROW
		63	{
		64	int size = strlen (locale) + 1;
		65
		66	if (size > sizeof (curlocale))
		67	rxvt_fatal ("locale string too long, aborting.\n");
		68
		69	if (!locale || !memcmp (locale, curlocale, size))
		70	return false;
		71
		72	memcpy (curlocale, locale, size);
		73	setlocale (LC_CTYPE, curlocale);
		74	return true;
		75	}
		76
47	void *	77	void
48	rxvt_term::operator new (size_t s)	78	rxvt_push_locale (const char *locale) NOTHROW
49	{	79	{
50	void *p = malloc (s);	80	strcpy (savelocale, curlocale);
		81	rxvt_set_locale (locale);
		82	}
51		83
52	MEMSET (p, 0, s);	84	void
		85	rxvt_pop_locale () NOTHROW
		86	{
		87	rxvt_set_locale (savelocale);
		88	}
		89
		90	#if ENABLE_COMBINING
		91	class rxvt_composite_vec rxvt_composite;
		92
		93	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		94	{
		95	compose_char *cc;
		96
		97	// break compose chains, as stupid readline really likes to duplicate
		98	// composing characters for some reason near the end of a line.
		99	cc = (*this)[c1];
		100	while (cc)
		101	{
		102	if (cc->c2 == c2) return c1;
		103	cc = (*this)[cc->c1];
		104	}
		105
		106	// check to see wether this combination already exists otherwise
		107	for (cc = v.end (); cc-- > v.begin (); )
		108	{
		109	if (cc->c1 == c1 && cc->c2 == c2)
		110	return COMPOSE_LO + (cc - v.begin ());
		111	}
		112
		113	// allocate a new combination
		114	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		115	{
		116	static int seen;
		117
		118	if (!seen++)
		119	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		120
		121	return REPLACEMENT_CHAR;
		122	}
		123
		124	v.push_back (compose_char (c1, c2));
		125
		126	return v.size () - 1 + COMPOSE_LO;
		127	}
		128
		129	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		130	{
		131	compose_char *cc = (*this)[c];
		132
		133	if (!cc)
		134	{
		135	if (r) *r = c;
		136	return 1;
		137	}
		138
		139	int len = expand (cc->c1, r);
		140
		141	if (r) r += len;
		142
		143	if (cc->c2 != NOCHAR)
		144	{
		145	len++;
		146	if (r) *r++ = cc->c2;
		147	}
		148
53	return p;	149	return len;
54	}
55		150
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	151	}
		152	#endif
61		153
62	rxvt_term::rxvt_term ()	154	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	155	{
		156	#if HAVE_BG_PIXMAP
		157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		158	#endif
64	#ifdef CURSOR_BLINK	159	#ifdef CURSOR_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		161	#endif
		162	#ifdef TEXT_BLINK
		163	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		164	#endif
		165	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		166	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		167	#endif
		168	#ifdef SELECTION_SCROLLING
		169	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		170	#endif
		171	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		172	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		173	#endif
		174	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		175	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		176	#endif
		177	#ifdef HAVE_SCROLLBARS
		178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		179	#endif
		180	#ifdef USE_XIM
		181	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
66	#endif	182	#endif
67	#ifdef POINTER_BLANK	183	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	184	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
69	#endif	185	#endif
70	x_ev (this, &rxvt_term::x_cb)	186	#ifndef NO_BELL
71	{	187	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		188	#endif
		189	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		190	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		191	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		192	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		193	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		194	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		195	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		196
72	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	197	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		198
		199	termlist.push_back (this);
		200
		201	#ifdef KEYSYM_RESOURCE
		202	keyboard = new keyboard_manager;
		203	#endif
		204	}
		205
		206	// clean up the most important stuff, do *not* call x or free mem etc.
		207	// for use before an emergency exit
		208	void
		209	rxvt_term::emergency_cleanup ()
		210	{
		211	if (cmd_pid)
		212	kill (-cmd_pid, SIGHUP);
		213
		214	pty_ev.stop ();
		215	delete pty; pty = 0;
73	}	216	}
74		217
75	rxvt_term::~rxvt_term ()	218	rxvt_term::~rxvt_term ()
76	{	219	{
77	delete PixColors;	220	termlist.erase (find (termlist.begin (), termlist.end(), this));
78	}
79		221
80	/*----------------------------------------------------------------------*/	222	emergency_cleanup ();
81	/* rxvt_init() */
82	/* LIBPROTO */
83	rxvt_t
84	rxvt_init(int argc, const char *const *argv)
85	{
86	SET_R(new rxvt_term);
87	dR;
88		223
89	if (!R->init_vars () || !R->init (argc, argv))	224	#if ENABLE_STYLES
90	{	225	for (int i = RS_styleCount; --i; )
91	delete R;	226	if (fontset[i] != fontset[0])
92	return NULL;	227	delete fontset[i];
		228	#endif
		229	delete fontset[0];
		230
		231	#ifdef HAVE_BG_PIXMAP
		232	bgPixmap.destroy ();
		233	#endif
		234
		235	if (display)
93	}	236	{
		237	selection_clear ();
94		238
		239	#ifdef USE_XIM
		240	im_destroy ();
		241	#endif
		242	#ifdef XTERM_SCROLLBAR
		243	if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
		244	if (ShadowGC) XFreeGC (dpy, ShadowGC);
		245	#endif
		246	#ifdef PLAIN_SCROLLBAR
		247	if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
		248	#endif
		249	#ifdef NEXT_SCROLLBAR
		250	if (blackGC) XFreeGC (dpy, blackGC);
		251	if (whiteGC) XFreeGC (dpy, whiteGC);
		252	if (grayGC) XFreeGC (dpy, grayGC);
		253	if (darkGC) XFreeGC (dpy, darkGC);
		254	if (stippleGC) XFreeGC (dpy, stippleGC);
		255	if (dimple) XFreePixmap (dpy, dimple);
		256	if (upArrow) XFreePixmap (dpy, upArrow);
		257	if (downArrow) XFreePixmap (dpy, downArrow);
		258	if (upArrowHi) XFreePixmap (dpy, upArrowHi);
		259	if (downArrowHi) XFreePixmap (dpy, downArrowHi);
		260	#endif
		261	#ifdef RXVT_SCROLLBAR
		262	if (topShadowGC) XFreeGC (dpy, topShadowGC);
		263	if (botShadowGC) XFreeGC (dpy, botShadowGC);
		264	if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
		265	#endif
		266	if (gc) XFreeGC (dpy, gc);
		267
		268	delete drawable;
		269	// destroy all windows
		270	if (parent[0])
		271	XDestroyWindow (dpy, parent[0]);
		272
		273	for (int i = 0; i < TOTAL_COLORS; i++)
		274	if (ISSET_PIXCOLOR (i))
		275	{
		276	pix_colors_focused [i].free (this);
		277	#if OFF_FOCUS_FADING
		278	pix_colors_unfocused [i].free (this);
		279	#endif
		280	}
		281
		282	clear ();
		283
		284	display->flush (); /* ideally .put should do this */
		285	displays.put (display);
		286	}
		287
		288	scr_release ();
		289
		290	/* clear all resources */
		291	for (int i = 0; i < allocated.size (); i++)
		292	free (allocated [i]);
		293
		294	free (selection.text);
		295	// TODO: manage env vars in child only(!)
		296	free (env_display);
		297	free (env_term);
		298	free (locale);
		299	free (v_buffer);
		300	free (incr_buf);
		301
		302	delete envv;
		303	delete argv;
		304
		305	#ifdef KEYSYM_RESOURCE
		306	delete keyboard;
		307	#endif
		308	#ifndef NO_RESOURCES
		309	XrmDestroyDatabase (option_db);
		310	#endif
		311	}
		312
		313	// child has exited, usually destroys
		314	void
		315	rxvt_term::child_cb (ev::child &w, int status)
		316	{
		317	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		318
		319	cmd_pid = 0;
		320
		321	if (!option (Opt_hold))
		322	destroy ();
		323	}
		324
		325	void
		326	rxvt_term::destroy ()
		327	{
		328	if (destroy_ev.is_active ())
95	return R;	329	return;
96	}
97		330
98	bool	331	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
99	rxvt_term::init (int argc, const char *const *argv)
100	{
101	dR;//TODO (scrollbar, setidle)
102		332
103	/*	333	#if ENABLE_OVERLAY
104	* Save and then give up any super-user privileges	334	scr_overlay_off ();
105	* If we need privileges in any area then we must specifically request it.
106	* We should only need to be root in these cases:
107	* 1. write utmp entries on some systems
108	* 2. chown tty on some systems
109	*/
110	rxvt_privileges (this, SAVE);
111	rxvt_privileges (this, IGNORE);
112
113	rxvt_init_secondary (this);
114
115	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
116
117	#if (MENUBAR_MAX)
118	rxvt_menubar_read (this, rs[Rs_menu]);
119	#endif	335	#endif
		336
		337	if (display)
		338	{
		339	#if USE_XIM
		340	im_ev.stop (display);
		341	#endif
120	#ifdef HAVE_SCROLLBARS	342	#if HAVE_SCROLLBARS
121	if (Options & Opt_scrollBar)	343	scrollbar_ev.stop (display);
122	scrollbar_setIdle (); /* set existence for size calculations */
123	#endif	344	#endif
124		345	#if ENABLE_TRANSPARENCY || ENABLE_PERL
125	rxvt_Create_Windows (this, argc, argv);	346	rootwin_ev.stop (display);
126
127	rxvt_init_xlocale (this);
128
129	rxvt_scr_reset (this); /* initialize screen */
130	#ifdef RXVT_GRAPHICS
131	rxvt_Gr_reset (this); /* reset graphics */
132	#endif	347	#endif
133		348	incr_ev.stop ();
134	#if 0	349	termwin_ev.stop (display);
135	#ifdef DEBUG_X	350	vt_ev.stop (display);
136	XSynchronize(Xdisplay, True);
137	XSetErrorHandler((XErrorHandler) abort);
138	#else
139	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
140	#endif
141	#endif
142
143	#ifdef HAVE_SCROLLBARS
144	if (Options & Opt_scrollBar)
145	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
146	#endif
147	#if (MENUBAR_MAX)
148	if (menubar_visible(r))
149	XMapWindow (Xdisplay, menuBar.win);
150	#endif
151	#ifdef TRANSPARENT
152	if (Options & Opt_transparent)
153	{	351	}
154	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
155	rxvt_check_our_parents (this);
156	}
157	#endif
158	XMapWindow (Xdisplay, TermWin.vt);
159	XMapWindow (Xdisplay, TermWin.parent[0]);
160		352
161	rxvt_init_env (this);	353	flush_ev.stop ();
162	rxvt_init_command (this, cmd_argv);	354	pty_ev.stop ();
163		355	#ifdef CURSOR_BLINK
164	x_ev.start (Xfd, EVENT_READ);	356	cursor_blink_ev.stop ();
165	pty_ev.start (cmd_fd, EVENT_READ);
166
167	flush ();
168
169	return true;
170	}
171
172	/* ------------------------------------------------------------------------- *
173	* SIGNAL HANDLING & EXIT HANDLER *
174	* ------------------------------------------------------------------------- */
175	/*
176	* Catch a SIGCHLD signal and exit if the direct child has died
177	*/
178	/* ARGSUSED */
179	/* EXTPROTO */
180	RETSIGTYPE
181	rxvt_Child_signal(int sig __attribute__ ((unused)))
182	{
183	dR;
184	int pid, save_errno = errno;
185
186	do {
187	errno = 0;
188	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
189
190	if (pid == R->cmd_pid)
191	exit(EXIT_SUCCESS);
192
193	errno = save_errno;
194	signal(SIGCHLD, rxvt_Child_signal);
195	}
196
197	/*
198	* Catch a fatal signal and tidy up before quitting
199	*/
200	/* EXTPROTO */
201	RETSIGTYPE
202	rxvt_Exit_signal(int sig)
203	{
204	signal(sig, SIG_DFL);
205	#ifdef DEBUG_CMD
206	rxvt_print_error("signal %d", sig);
207	#endif	357	#endif
208	rxvt_clean_exit();	358	#ifdef TEXT_BLINK
209	kill(getpid(), sig);	359	text_blink_ev.stop ();
210	}	360	#endif
		361	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		362	cont_scroll_ev.stop ();
		363	#endif
		364	#ifdef SELECTION_SCROLLING
		365	sel_scroll_ev.stop ();
		366	#endif
		367	#ifdef POINTER_BLANK
		368	pointer_ev.stop ();
		369	#endif
211		370
212	/* ARGSUSED */	371	destroy_ev.start ();
213	/* INTPROTO */	372	}
214	int
215	rxvt_xerror_handler(const Display * display
216	__attribute__ ((unused)), const XErrorEvent * event)
217	{
218	dR;
219		373
220	if (R->allowedxerror == -1) {	374	void
221	R->allowedxerror = event->error_code;	375	rxvt_term::destroy_cb (ev::idle &w, int revents)
222	return 0; /* ignored anyway */	376	{
223	}	377	make_current ();
224	rxvt_print_error("XError: Request: %d . %d, Error: %d",	378
225	event->request_code, event->minor_code,	379	delete this;
226	event->error_code);
227	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
228	exit(EXIT_FAILURE);
229	/* NOTREACHED */
230	}	380	}
231		381
232	/*----------------------------------------------------------------------*/	382	/*----------------------------------------------------------------------*/
233	/*	383	/*
234	* Exit gracefully, clearing the utmp entry and restoring tty attributes	384	* Exit gracefully, clearing the utmp entry and restoring tty attributes
235	* TODO: if debugging, this should free up any known resources if we can	385	* TODO: if debugging, this should free up any known resources if we can
236	*/	386	*/
237	/* EXTPROTO */	387	static XErrorHandler old_xerror_handler;
238	void
239	rxvt_clean_exit(void)
240	{
241	dR;
242		388
243	#ifdef DEBUG_SCREEN	389	static void
244	rxvt_scr_release(aR);	390	rxvt_emergency_cleanup ()
245	#endif
246	#ifndef NO_SETOWNER_TTYDEV
247	rxvt_privileged_ttydev(aR_ RESTORE);
248	#endif
249	#ifdef UTMP_SUPPORT
250	rxvt_privileged_utmp(aR_ RESTORE);
251	#endif
252	#ifdef USE_XIM
253	if (R->Input_Context != NULL) {
254	XDestroyIC(R->Input_Context);
255	R->Input_Context = NULL;
256	}
257	#endif
258	}
259
260	/* ------------------------------------------------------------------------- *
261	* MEMORY ALLOCATION WRAPPERS *
262	* ------------------------------------------------------------------------- */
263	/* EXTPROTO */
264	void *
265	rxvt_malloc(size_t size)
266	{	391	{
267	void *p;	392	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
268		393	(*t)->emergency_cleanup ();
269	p = malloc(size);
270	if (p)
271	return p;
272
273	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
274	rxvt_clean_exit();
275	exit(EXIT_FAILURE);
276	/* NOTREACHED */
277	}	394	}
278		395
279	/* EXTPROTO */	396	#if !ENABLE_MINIMAL
280	void *	397	static void
281	rxvt_calloc(size_t number, size_t size)	398	print_x_error (Display *dpy, XErrorEvent *event)
282	{	399	{
283	void *p;	400	char buffer[BUFSIZ];
284		401	char mesg[BUFSIZ];
285	p = calloc(number, size);	402	char number[32];
286	if (p)	403	char *mtype = "XlibMessage";
287	return p;	404	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
288		405	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
289	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	406	rxvt_warn ("An X Error occured, trying to continue after report.\n");
290	rxvt_clean_exit();	407	rxvt_warn ("%s: %s\n", mesg, buffer);
291	exit(EXIT_FAILURE);	408	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
292	/* NOTREACHED */	409	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		410	sprintf(number, "%d", event->request_code);
		411	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		412	rxvt_warn ("(which is %s)\n", buffer);
		413	if (event->request_code >= 128) {
		414	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		415	mesg, BUFSIZ);
		416	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		417	}
		418	if ((event->error_code == BadWindow) ||
		419	(event->error_code == BadPixmap) ||
		420	(event->error_code == BadCursor) ||
		421	(event->error_code == BadFont) ||
		422	(event->error_code == BadDrawable) ||
		423	(event->error_code == BadColor) ||
		424	(event->error_code == BadGC) ||
		425	(event->error_code == BadIDChoice) ||
		426	(event->error_code == BadValue) ||
		427	(event->error_code == BadAtom)) {
		428	if (event->error_code == BadValue)
		429	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		430	mesg, BUFSIZ);
		431	else if (event->error_code == BadAtom)
		432	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		433	mesg, BUFSIZ);
		434	else
		435	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		436	mesg, BUFSIZ);
		437	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		438	}
		439	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		440	mesg, BUFSIZ);
		441	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
293	}	442	}
294
295	/* EXTPROTO */
296	void *
297	rxvt_realloc(void *ptr, size_t size)
298	{
299	void *p;
300
301	if (ptr)
302	p = realloc(ptr, size);
303	else
304	p = malloc(size);
305	if (p)
306	return p;
307
308	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
309	rxvt_clean_exit();
310	exit(EXIT_FAILURE);
311	/* NOTREACHED */
312	}
313
314	/* ------------------------------------------------------------------------- *
315	* PRIVILEGED OPERATIONS *
316	* ------------------------------------------------------------------------- */
317	/* take care of suid/sgid super-user (root) privileges */
318	/* INTPROTO */
319	void
320	rxvt_privileges(pR_ int mode)
321	{
322	#if ! defined(__CYGWIN32__)
323	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
324	/* setreuid() is the poor man's setuid(), seteuid() */
325	# define seteuid(a) setreuid(-1, (a))
326	# define setegid(a) setregid(-1, (a))
327	# define HAVE_SETEUID
328	# endif	443	#endif
329	# ifdef HAVE_SETEUID	444
330	switch (mode) {	445	int
331	case IGNORE:	446	rxvt_xerror_handler (Display *display, XErrorEvent *event)
332	/*	447	{
333	* change effective uid/gid - not real uid/gid - so we can switch	448	if (GET_R->allowedxerror == -1)
334	* back to root later, as required	449	GET_R->allowedxerror = event->error_code;
335	*/	450	else
336	seteuid(getuid());
337	setegid(getgid());
338	break;
339	case SAVE:
340	R->euid = geteuid();
341	R->egid = getegid();
342	break;
343	case RESTORE:
344	seteuid(R->euid);
345	setegid(R->egid);
346	break;
347	}	451	{
		452	// GET_R is most likely not the terminal which caused the error,
		453	// so just output the error and continue
		454	#if ENABLE_MINIMAL
		455	old_xerror_handler (display, event);
348	# else	456	#else
349	switch (mode) {	457	print_x_error (display, event);
350	case IGNORE:
351	setuid(getuid());
352	setgid(getgid());
353	/* FALLTHROUGH */
354	case SAVE:
355	/* FALLTHROUGH */
356	case RESTORE:
357	break;
358	}
359	# endif	458	#endif
360	#endif	459	}
361	}
362		460
363	#ifdef UTMP_SUPPORT	461	return 0;
364	/* EXTPROTO */	462	}
365	void
366	rxvt_privileged_utmp(pR_ char action)
367	{
368	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
369	action, R->next_utmp_action, getpid()));
370	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
371	|| (R->Options & Opt_utmpInhibit)
372	|| R->ttydev == NULL || *R->ttydev == '\0')
373	return;
374		463
375	rxvt_privileges(aR_ RESTORE);	464	int
376	if (action == SAVE) {	465	rxvt_xioerror_handler (Display *display)
377	R->next_utmp_action = RESTORE;	466	{
378	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	467	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
379	} else { /* action == RESTORE */	468	DisplayString (display));
380	R->next_utmp_action = IGNORE;	469	rxvt_emergency_cleanup ();
381	rxvt_cleanutent(aR);	470	_exit (EXIT_FAILURE);
		471	}
		472
		473	static struct sig_handlers
		474	{
		475	ev::sig sw_term, sw_int;
		476
		477	/*
		478	* Catch a fatal signal and tidy up before quitting
		479	*/
		480	void sig_term (ev::sig &w, int revents);
		481
		482	sig_handlers ()
		483	{
		484	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		485	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
382	}	486	}
383	rxvt_privileges(aR_ IGNORE);	487	} sig_handlers;
384	}
385	#endif
386		488
387	#ifndef NO_SETOWNER_TTYDEV
388	/* EXTPROTO */
389	void	489	void
390	rxvt_privileged_ttydev(pR_ char action)	490	sig_handlers::sig_term (ev::sig &w, int revents)
391	{	491	{
392	D_MAIN((stderr,	492	rxvt_emergency_cleanup ();
393	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",	493	w.stop ();
394	action, R->next_tty_action, getpid()));	494	kill (getpid (), w.signum);
395	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
396	|| R->ttydev == NULL || *R->ttydev == '\0')
397	return;
398
399	rxvt_privileges(aR_ RESTORE);
400
401	if (action == SAVE) {
402	R->next_tty_action = RESTORE;
403	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
404	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
405	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
406	R->next_tty_action = IGNORE;
407	else
408	# endif
409	{
410	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
411	chmod(R->ttydev, R->ttymode);
412	# ifdef HAVE_REVOKE
413	revoke(R->ttydev);
414	# endif
415	}
416	} else { /* action == RESTORE */
417	R->next_tty_action = IGNORE;
418	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
419	chmod(R->ttydev, R->ttyfd_stat.st_mode);
420	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
421	# else
422	chmod(R->ttydev,
423	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
424	chown(R->ttydev, 0, 0);
425	# endif
426	}
427
428	rxvt_privileges(aR_ IGNORE);
429
430	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
431	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
432	action == RESTORE ? "Restoring" : (action ==
433	SAVE ? "Saving" :
434	"UNKNOWN ERROR for"), R->ttydev,
435	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
436	R->ttyfd_stat.st_gid));
437	# endif
438	}	495	}
439	#endif	496
		497	char **rxvt_environ; // startup environment
		498
		499	void
		500	rxvt_init ()
		501	{
		502	ptytty::init ();
		503
		504	if (!ev_default_loop (0))
		505	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		506
		507	rxvt_environ = environ;
		508
		509	signal (SIGHUP, SIG_IGN);
		510	signal (SIGPIPE, SIG_IGN);
		511
		512	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		513	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		514
		515	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		516	/* signal (SIGURG, SIG_DFL); */
		517
		518	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		519	// TODO: handle this with exceptions and tolerate the memory loss
		520	XSetIOErrorHandler (rxvt_xioerror_handler);
		521
		522	XrmInitialize ();
		523	}
440		524
441	/*----------------------------------------------------------------------*/	525	/*----------------------------------------------------------------------*/
442	/*	526	/*
443	* window size/position calculcations for XSizeHint and other storage.	527	* window size/position calculations for XSizeHint and other storage.
444	* if width/height are non-zero then override calculated width/height	528	* if width/height are non-zero then override calculated width/height
445	*/	529	*/
446	/* EXTPROTO */
447	void	530	void
448	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	531	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
449	{	532	{
450	short recalc_x, recalc_y;	533	short recalc_x, recalc_y;
451	int x, y, sb_w, mb_h, flags;	534	int x, y, sb_w, flags;
452	unsigned int w, h;	535	unsigned int w, h;
453	unsigned int max_width, max_height;	536	unsigned int max_width, max_height;
454		537
455	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
456	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
457	R->szHint.height));
458	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	538	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
459	R->szHint.win_gravity = NorthWestGravity;	539	szHint.win_gravity = NorthWestGravity;
460	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	540	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
461		541
462	recalc_x = recalc_y = 0;	542	recalc_x = recalc_y = 0;
463	flags = 0;	543	flags = 0;
		544
464	if (!R->parsed_geometry) {	545	if (!parsed_geometry)
		546	{
465	R->parsed_geometry = 1;	547	parsed_geometry = 1;
		548
466	if (R->rs[Rs_geometry])	549	if (rs[Rs_geometry])
467	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	550	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		551
468	if (flags & WidthValue) {	552	if (flags & WidthValue)
469	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	553	{
		554	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
470	R->szHint.flags |= USSize;	555	szHint.flags |= USSize;
471	}	556	}
		557
472	if (flags & HeightValue) {	558	if (flags & HeightValue)
473	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	559	{
		560	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
474	R->szHint.flags |= USSize;	561	szHint.flags |= USSize;
475	}	562	}
		563
476	if (flags & XValue) {	564	if (flags & XValue)
		565	{
477	R->szHint.x = x;	566	szHint.x = x;
478	R->szHint.flags |= USPosition;	567	szHint.flags |= USPosition;
		568
479	if (flags & XNegative) {	569	if (flags & XNegative)
		570	{
480	recalc_x = 1;	571	recalc_x = 1;
481	R->szHint.win_gravity = NorthEastGravity;	572	szHint.win_gravity = NorthEastGravity;
482	}	573	}
483	}	574	}
		575
484	if (flags & YValue) {	576	if (flags & YValue)
		577	{
485	R->szHint.y = y;	578	szHint.y = y;
486	R->szHint.flags |= USPosition;	579	szHint.flags |= USPosition;
		580
487	if (flags & YNegative) {	581	if (flags & YNegative)
		582	{
488	recalc_y = 1;	583	recalc_y = 1;
		584
489	if (R->szHint.win_gravity == NorthEastGravity)	585	if (szHint.win_gravity == NorthEastGravity)
490	R->szHint.win_gravity = SouthEastGravity;	586	szHint.win_gravity = SouthEastGravity;
491	else	587	else
492	R->szHint.win_gravity = SouthWestGravity;	588	szHint.win_gravity = SouthWestGravity;
493	}	589	}
494	}	590	}
495	}	591	}
		592
496	/* TODO: BOUNDS */	593	/* TODO: BOUNDS */
497	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	594	width = ncol * fwidth;
498	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	595	height = nrow * fheight;
499	max_width = MAX_COLS * R->TermWin.fwidth;	596	max_width = MAX_COLS * fwidth;
500	max_height = MAX_ROWS * R->TermWin.fheight;	597	max_height = MAX_ROWS * fheight;
501		598
502	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	599	szHint.base_width = szHint.base_height = 2 * int_bwidth;
503		600
504	sb_w = mb_h = 0;	601	sb_w = 0;
505	R->window_vt_x = R->window_vt_y = 0;	602	window_vt_x = window_vt_y = int_bwidth;
506	if (scrollbar_visible(R)) {	603
		604	if (scrollBar.state)
		605	{
507	sb_w = scrollbar_TotalWidth();	606	sb_w = scrollbar_TotalWidth ();
508	R->szHint.base_width += sb_w;	607	szHint.base_width += sb_w;
		608
509	if (!(R->Options & Opt_scrollBar_right))	609	if (!option (Opt_scrollBar_right))
510	R->window_vt_x = sb_w;	610	window_vt_x += sb_w;
511	}	611	}
512	if (menubar_visible(R)) {	612
513	mb_h = menuBar_TotalHeight();
514	R->szHint.base_height += mb_h;
515	R->window_vt_y = mb_h;
516	}
517	R->szHint.width_inc = R->TermWin.fwidth;	613	szHint.width_inc = fwidth;
518	R->szHint.height_inc = R->TermWin.fheight;	614	szHint.height_inc = fheight;
519	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	615	szHint.min_width = szHint.base_width + szHint.width_inc;
520	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	616	szHint.min_height = szHint.base_height + szHint.height_inc;
521		617
522	if (width && width - R->szHint.base_width < max_width) {	618	if (newwidth && newwidth - szHint.base_width < max_width)
		619	{
523	R->szHint.width = width;	620	szHint.width = newwidth;
524	R->TermWin.width = width - R->szHint.base_width;	621	width = newwidth - szHint.base_width;
525	} else {	622	}
526	MIN_IT(R->TermWin.width, max_width);	623	else
		624	{
		625	min_it (width, max_width);
527	R->szHint.width = R->szHint.base_width + R->TermWin.width;	626	szHint.width = szHint.base_width + width;
528	}	627	}
		628
529	if (height && height - R->szHint.base_height < max_height) {	629	if (newheight && newheight - szHint.base_height < max_height)
		630	{
530	R->szHint.height = height;	631	szHint.height = newheight;
531	R->TermWin.height = height - R->szHint.base_height;	632	height = newheight - szHint.base_height;
532	} else {	633	}
533	MIN_IT(R->TermWin.height, max_height);	634	else
		635	{
		636	min_it (height, max_height);
534	R->szHint.height = R->szHint.base_height + R->TermWin.height;	637	szHint.height = szHint.base_height + height;
535	}	638	}
		639
536	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	640	if (scrollBar.state && option (Opt_scrollBar_right))
537	R->window_sb_x = R->szHint.width - sb_w;	641	window_sb_x = szHint.width - sb_w;
538		642
539	if (recalc_x)	643	if (recalc_x)
540	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	644	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
541	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	645
542	if (recalc_y)	646	if (recalc_y)
543	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	647	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
544	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
545		648
546	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	649	ncol = width / fwidth;
547	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	650	nrow = height / fheight;
548	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
549	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
550	R->szHint.height));
551	return;
552	}	651	}
553		652
554	/*----------------------------------------------------------------------*/	653	/*----------------------------------------------------------------------*/
555	/*	654	/*
556	* Tell the teletype handler what size the window is.	655	* Tell the teletype handler what size the window is.
557	* Called after a window size change.	656	* Called after a window size change.
558	*/	657	*/
559	/* EXTPROTO */
560	void	658	void
561	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	659	rxvt_term::tt_winch ()
562	{	660	{
		661	if (pty->pty < 0)
		662	return;
		663
563	struct winsize ws;	664	struct winsize ws;
564		665
565	if (fd < 0)
566	return;
567	ws.ws_col = col;	666	ws.ws_col = ncol;
568	ws.ws_row = row;	667	ws.ws_row = nrow;
569	ws.ws_xpixel = ws.ws_ypixel = 0;	668	ws.ws_xpixel = width;
570	#ifndef DEBUG_SIZE	669	ws.ws_ypixel = height;
571	(void)ioctl(fd, TIOCSWINSZ, &ws);	670	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
572	#else	671
573	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	672	#if 0
574	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	673	// TIOCSWINSZ is supposed to do this automatically and correctly
575	}
576	# ifdef SIGWINCH
577	else if (pid) /* force through to the command */	674	if (cmd_pid) /* force through to the command */
578	kill(pid, SIGWINCH);	675	kill (-cmd_pid, SIGWINCH);
579	# endif
580	#endif	676	#endif
581	}	677	}
582		678
583	/*----------------------------------------------------------------------*/	679	/*----------------------------------------------------------------------*/
584	/* rxvt_change_font() - Switch to a new font */	680	/* set_fonts () - load and set the various fonts
585	/*	681	*
586	* init = 1 - initialize	682	* init = 1 - initialize
587	*	683	*
588	* fontname == FONT_UP - switch to bigger font	684	* fontname == FONT_UP - switch to bigger font
589	* fontname == FONT_DN - switch to smaller font	685	* fontname == FONT_DN - switch to smaller font
590	*/	686	*/
591	/* EXTPROTO */	687	bool
592	void	688	rxvt_term::set_fonts ()
593	rxvt_change_font(pR_ int init, const char *fontname)
594	{	689	{
595	}	690	rxvt_fontset *fs = new rxvt_fontset (this);
		691	rxvt_fontprop prop;
596		692
597	/* INTPROTO */	693	if (!fs
		694	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		695	|| !fs->realize_font (1))
		696	{
		697	delete fs;
		698	return false;
		699	}
		700
		701	#if ENABLE_STYLES
		702	for (int i = RS_styleCount; --i; )
		703	if (fontset[i] != fontset[0])
		704	delete fontset[i];
		705	#endif
		706
		707	delete fontset[0];
		708	fontset[0] = fs;
		709
		710	prop = (*fs)[1]->properties ();
		711	prop.height += lineSpace;
		712
		713	fs->set_prop (prop, false);
		714
		715	fwidth = prop.width;
		716	fheight = prop.height;
		717	fbase = prop.ascent;
		718
		719	for (int style = 1; style < 4; style++)
		720	{
		721	#if ENABLE_STYLES
		722	const char *res = rs[Rs_font + style];
		723
		724	if (res && !*res)
		725	fontset[style] = fontset[0];
		726	else
		727	{
		728	fontset[style] = fs = new rxvt_fontset (this);
		729	rxvt_fontprop prop2 = prop;
		730
		731	if (res)
		732	{
		733	fs->populate (res);
		734	fs->set_prop (prop2, false);
		735	}
		736	else
		737	{
		738	fs->populate (fontset[0]->fontdesc);
		739
		740	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		741	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		742
		743	fs->set_prop (prop2, true);
		744	}
		745
		746	}
		747	#else
		748	fontset[style] = fontset[0];
		749	#endif
		750	}
		751
		752	if (parent[0])
		753	{
		754	resize_all_windows (0, 0, 0);
		755	scr_remap_chars ();
		756	scr_touch (true);
		757	}
		758
		759	return true;
		760	}
		761
598	void	762	void
599	rxvt_font_up_down(pR_ int n, int direction)	763	rxvt_term::set_string_property (Atom prop, const char *str, int len)
600	{	764	{
		765	XChangeProperty (dpy, parent[0],
		766	prop, XA_STRING, 8, PropModeReplace,
		767	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		768	}
		769
		770	void
		771	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		772	{
		773	wchar_t *ws = rxvt_mbstowcs (str, len);
		774	char *s = rxvt_wcstoutf8 (ws);
		775
		776	XChangeProperty (dpy, parent[0],
		777	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		778	(const unsigned char *)s, strlen (s));
		779
		780	free (s);
		781	free (ws);
601	}	782	}
602		783
603	/*----------------------------------------------------------------------*/	784	/*----------------------------------------------------------------------*/
604	/*----------------------------------------------------------------------*/	785	/*----------------------------------------------------------------------*/
605	/* xterm sequences - title, iconName, color (exptl) */	786	/* xterm sequences - title, iconName, color (exptl) */
606	/* EXTPROTO */
607	void	787	void
608	rxvt_set_title(pR_ const char *str)	788	rxvt_term::set_title (const char *str)
609	{	789	{
610	#ifndef SMART_WINDOW_TITLE	790	set_string_property (XA_WM_NAME, str);
611	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	791	#if ENABLE_EWMH
612	#else	792	set_utf8_property (xa[XA_NET_WM_NAME], str);
613	char *name;
614
615	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
616	name = NULL;
617	if (name == NULL || STRCMP(name, str))
618	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
619	if (name)
620	XFree(name);
621	#endif	793	#endif
622	}	794	}
623		795
624	/* EXTPROTO */
625	void	796	void
626	rxvt_set_iconName(pR_ const char *str)	797	rxvt_term::set_icon_name (const char *str)
627	{	798	{
628	#ifndef SMART_WINDOW_TITLE	799	set_string_property (XA_WM_ICON_NAME, str);
629	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	800	#if ENABLE_EWMH
630	#else	801	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
631	char *name;
632
633	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
634	name = NULL;
635	if (name == NULL || STRCMP(name, str))
636	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
637	if (name)
638	XFree(name);
639	#endif	802	#endif
640	}	803	}
641		804
		805	void
		806	rxvt_term::set_window_color (int idx, const char *color)
		807	{
642	#ifdef XTERM_COLOR_CHANGE	808	#ifdef XTERM_COLOR_CHANGE
643	/* EXTPROTO */
644	void
645	rxvt_set_window_color(pR_ int idx, const char *color)
646	{
647	rxvt_color xcol;	809	rxvt_color xcol;
648	int i;	810	int i;
649		811
650	if (color == NULL || *color == '\0')	812	if (color == NULL || *color == '\0')
651	return;	813	return;
652		814
		815	color = strdup (color);
		816	allocated.push_back ((void *)color);
		817	rs[Rs_color + idx] = color;
		818
653	/* handle color aliases */	819	/* handle color aliases */
654	if (isdigit(*color)) {	820	if (isdigit (*color))
		821	{
655	i = atoi(color);	822	i = atoi (color);
656	if (i >= 8 && i <= 15) { /* bright colors */	823
657	i -= 8;	824	if (i >= 8 && i <= 15)
658	# ifndef NO_BRIGHTCOLOR	825	{
659	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	826	/* bright colors */
660	SET_PIXCOLOR(R, idx);	827	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
661	goto Done;	828	goto done;
662	# endif
663	}	829	}
664	if (i >= 0 && i <= 7) { /* normal colors */	830
665	R->PixColors[idx] = R->PixColors[minCOLOR + i];	831	if (i >= 0 && i <= 7)
666	SET_PIXCOLOR(R, idx);	832	{
		833	/* normal colors */
		834	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
667	goto Done;	835	goto done;
668	}	836	}
669	}	837	}
670	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
671	return;
672	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
673		838
674	/*	839	set_color (xcol, color);
		840
		841	/*
675	* FIXME: should free colors here, but no idea how to do it so instead,	842	* FIXME: should free colors here, but no idea how to do it so instead,
676	* so just keep gobbling up the colormap	843	* so just keep gobbling up the colormap
677	*/	844	*/
678	# if 0
679	for (i = Color_Black; i <= Color_White; i++)
680	if (R->PixColors[idx] == R->PixColors[i])
681	break;
682	if (i > Color_White) {
683	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
684	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
685	DisplayPlanes(R->Xdisplay, Xscreen));
686	}
687	# endif
688		845
689	R->PixColors[idx] = xcol;	846	pix_colors_focused[idx] = xcol;
690	SET_PIXCOLOR(R, idx);
691		847
692	/* XSetWindowAttributes attr; */	848	done:
693	/* Cursor cursor; */
694	Done:
695	if (idx == Color_bg && !(R->Options & Opt_transparent))
696	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
697	R->PixColors[Color_bg]);
698
699	/* handle Color_BD, scrollbar background, etc. */	849	/*TODO: handle Color_BD, scrollbar background, etc. */
700		850
701	rxvt_set_colorfgbg(aR);	851	update_fade_color (idx);
702	rxvt_recolour_cursor(aR);	852	recolour_cursor ();
703	/* the only reasonable way to enforce a clean update */	853	scr_recolour ();
704	rxvt_scr_poweron(aR);	854	#endif /* XTERM_COLOR_CHANGE */
705	}	855	}
706		856
707	#else
708	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
709	#endif /* XTERM_COLOR_CHANGE */
710
711	/* EXTPROTO */
712	void	857	void
713	rxvt_recolour_cursor(pR)	858	rxvt_term::recolour_cursor ()
714	{	859	{
715	rxvt_color xcol[2];	860	XColor fg, bg;
716		861
717	#if TODO	862	(ISSET_PIXCOLOR (Color_pointer_fg)
718	xcol[0] = R->PixColors[Color_pointer];	863	? pix_colors_focused[Color_pointer_fg]
719	xcol[1] = R->PixColors[Color_bg];	864	: pix_colors_focused[Color_fg]).get (fg);
720	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	865
721	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	866	(ISSET_PIXCOLOR (Color_pointer_bg)
722	#endif	867	? pix_colors_focused[Color_pointer_bg]
		868	: pix_colors_focused[Color_bg]).get (bg);
		869
		870	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
723	}	871	}
724		872
725	/*----------------------------------------------------------------------*/	873	/*----------------------------------------------------------------------*/
726	/*	874	/*
727	* find if fg/bg matches any of the normal (low-intensity) colors	875	* find if fg/bg matches any of the normal (low-intensity) colors
728	*/	876	*/
729	/* INTPROTO */
730	void	877	void
731	rxvt_set_colorfgbg(pR)	878	rxvt_term::set_colorfgbg ()
732	{	879	{
733	unsigned int i;	880	unsigned int i;
734	const char *xpmb = "\0";	881	const char *xpmb = "";
735	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	882	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
736		883
737	R->env_colorfgbg =	884	strcpy (fstr, "default");
738	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	885	strcpy (bstr, "default");
739	STRCPY(fstr, "default");
740	STRCPY(bstr, "default");
741	for (i = Color_Black; i <= Color_White; i++)	886	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[Color_fg] == R->PixColors[i]) {	887	if (pix_colors[Color_fg] == pix_colors[i])
		888	{
743	sprintf(fstr, "%d", (i - Color_Black));	889	sprintf (fstr, "%d", (i - Color_Black));
744	break;	890	break;
745	}	891	}
		892
746	for (i = Color_Black; i <= Color_White; i++)	893	for (i = Color_Black; i <= Color_White; i++)
747	if (R->PixColors[Color_bg] == R->PixColors[i]) {	894	if (pix_colors[Color_bg] == pix_colors[i])
		895	{
748	sprintf(bstr, "%d", (i - Color_Black));	896	sprintf (bstr, "%d", (i - Color_Black));
749	#ifdef XPM_BACKGROUND	897	#ifdef BG_IMAGE_FROM_FILE
750	xpmb = "default;";	898	xpmb = "default;";
751	#endif	899	#endif
752	break;	900	break;
753	}	901	}
		902
754	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	903	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
755	putenv(R->env_colorfgbg);
756
757	#ifndef NO_BRIGHTCOLOR
758	R->colorfgbg = DEFAULT_RSTYLE;
759	for (i = minCOLOR; i <= maxCOLOR; i++) {
760	if (R->PixColors[Color_fg] == R->PixColors[i])
761	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
762	if (R->PixColors[Color_bg] == R->PixColors[i])
763	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
764	}
765	#endif
766	}	904	}
767		905
768	/*----------------------------------------------------------------------*/	906	/*----------------------------------------------------------------------*/
769	/*
770	* Colour determination for low colour displays, routine from
771	* Hans de Goede <hans@highrise.nl>
772	*/
773		907
774	/* EXTPROTO */	908	bool
775	int	909	rxvt_term::set_color (rxvt_color &color, const char *name)
776	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
777	{	910	{
778	screen_in_out->set(aR_ colour);	911	if (color.set (this, name))
779
780	if (!screen_in_out->set(aR_ colour)) {
781	rxvt_print_error("can't allocate colour: %s", colour);
782	return false;
783	}
784
785	return true;	912	return true;
		913
		914	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		915	return false;
		916	}
		917
		918	void
		919	rxvt_term::alias_color (int dst, int src)
		920	{
		921	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
786	}	922	}
787		923
788	/* -------------------------------------------------------------------- *	924	/* -------------------------------------------------------------------- *
789	* - WINDOW RESIZING - *	925	* - WINDOW RESIZING - *
790	* -------------------------------------------------------------------- */	926	* -------------------------------------------------------------------- */
791	/* EXTPROTO */
792	void	927	void
793	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	928	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
794	int ignoreparent)
795	{	929	{
796	int fix_screen;	930	int fix_screen;
		931	int old_width = szHint.width;
		932	int old_height = szHint.height;
797		933
		934	window_calc (newwidth, newheight);
		935
		936	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
		937	XSetWMNormalHints (dpy, parent[0], &szHint);
		938
		939	if (!ignoreparent)
		940	{
798	#ifdef SMART_RESIZE	941	#ifdef SMART_RESIZE
799	int old_width = R->szHint.width, old_height = R->szHint.height;	942	/*
800	#endif
801
802	rxvt_window_calc(aR_ width, height);
803	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
804	if (!ignoreparent) {
805	#ifdef SMART_RESIZE
806	/*
807	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	943	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
808	* reposition window on resize depending on placement on screen	944	* reposition window on resize depending on placement on screen
809	*/	945	*/
810	int x, y, x1, y1;	946	int x, y, x1, y1;
811	int dx, dy;	947	int dx, dy;
812	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	948	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
813	Window unused_cr;	949	Window unused_cr;
814		950
815	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	951	XTranslateCoordinates (dpy, parent[0], display->root,
816	0, 0, &x, &y, &unused_cr);	952	0, 0, &x, &y, &unused_cr);
817	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	953	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
818	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	954	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
819	/*	955	/*
820	* if Xroot isn't the parent window, a WM will probably have offset	956	* if display->root isn't the parent window, a WM will probably have offset
821	* our position for handles and decorations. Counter it	957	* our position for handles and decorations. Counter it
822	*/	958	*/
823	if (x1 != x || y1 != y) {	959	if (x1 != x || y1 != y)
		960	{
824	x -= x1;	961	x -= x1;
825	y -= y1;	962	y -= y1;
826	}	963	}
827		964
828	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	965	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
829	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	966	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
830	dx = old_width - R->szHint.width;	967	dx = old_width - szHint.width;
831	dy = old_height - R->szHint.height;	968	dy = old_height - szHint.height;
832		969
833	/* Check position of the center of the window */	970	/* Check position of the center of the window */
834	if (x < x1) /* left half */	971	if (x < x1) /* left half */
835	dx = 0;	972	dx = 0;
836	else if (x == x1) /* exact center */	973	else if (x == x1) /* exact center */
837	dx /= 2;	974	dx /= 2;
838	if (y < y1) /* top half */	975	if (y < y1) /* top half */
839	dy = 0;	976	dy = 0;
840	else if (y == y1) /* exact center */	977	else if (y == y1) /* exact center */
841	dy /= 2;	978	dy /= 2;
842		979
843	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	980	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
844	R->szHint.width, R->szHint.height);	981	szHint.width, szHint.height);
845	#else	982	#else
846	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	983	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
847	R->szHint.height);
848	#endif	984	#endif
849	}	985	}
850		986
851	fix_screen = (R->TermWin.ncol != R->prev_ncol	987	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
852	|| R->TermWin.nrow != R->prev_nrow);	988
853	if (fix_screen || width != R->old_width || height != R->old_height) {	989	if (fix_screen || newwidth != old_width || newheight != old_height)
854	if (scrollbar_visible(R)) {	990	{
		991	if (scrollBar.state)
		992	{
855	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	993	XMoveResizeWindow (dpy, scrollBar.win,
		994	window_sb_x, 0,
856	0, scrollbar_TotalWidth(), R->szHint.height);	995	scrollbar_TotalWidth (), szHint.height);
857	rxvt_Resize_scrollBar(aR);	996	resize_scrollbar ();
858	}	997	}
859	if (menubar_visible(R))	998
860	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	999	XMoveResizeWindow (dpy, vt,
861	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1000	window_vt_x, window_vt_y,
862	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
863	R->window_vt_y, TermWin_TotalWidth(),
864	TermWin_TotalHeight());	1001	width, height);
865	#ifdef RXVT_GRAPHICS	1002
866	if (R->old_height)	1003	#ifdef HAVE_BG_PIXMAP
867	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,	1004	if (bgPixmap.window_size_sensitive ())
868	R->old_height - R->szHint.base_height);	1005	update_background ();
869	#endif	1006	#endif
		1007
870	rxvt_scr_clear(aR);	1008	scr_clear ();
871	#ifdef XPM_BACKGROUND
872	rxvt_resize_pixmap(aR);
873	#endif
874	}	1009	}
875		1010
876	if (fix_screen || R->old_height == 0) {	1011	if (fix_screen || old_height == 0)
877	int curr_screen = -1;	1012	scr_reset ();
878	uint16_t old_ncol = R->prev_ncol;
879		1013
880	/* scr_reset only works on the primary screen */	1014	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
881	if (R->old_height) /* this is not the first time through */	1015	//scr_touch (false);
882	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
883	rxvt_scr_reset(aR);
884	if (curr_screen >= 0) { /* this is not the first time through */
885	rxvt_scr_change_screen(aR_ curr_screen);
886	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
887	}
888	}
889		1016
890	R->old_width = R->szHint.width;	1017	#ifdef HAVE_BG_PIXMAP
891	R->old_height = R->szHint.height;	1018	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1019	// if (bgPixmap.pixmap)
		1020	// scr_touch (false);
		1021	#endif
892		1022
893	#ifdef USE_XIM	1023	#ifdef USE_XIM
894	rxvt_IMSetStatusPosition(aR);	1024	IMSetPosition ();
895	#endif	1025	#endif
896	}	1026	}
897		1027
898	/*	1028	/*
899	* Set the width/height of the vt window in characters. Units are pixels.	1029	* Set the width/height of the vt window in characters. Units are pixels.
900	* good for toggling 80/132 columns	1030	* good for toggling 80/132 columns
901	*/	1031	*/
902	/* EXTPROTO */
903	void	1032	void
904	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1033	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
905	{	1034	{
906	XWindowAttributes wattr;	1035	XWindowAttributes wattr;
907		1036
908	if (width == 0 || height == 0) {	1037	if (newwidth == 0 || newheight == 0)
		1038	{
909	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1039	XGetWindowAttributes (dpy, display->root, &wattr);
		1040
910	if (width == 0)	1041	if (newwidth == 0)
911	width = wattr.width - R->szHint.base_width;	1042	newwidth = wattr.width - szHint.base_width;
912	if (height == 0)	1043	if (newheight == 0)
913	height = wattr.height - R->szHint.base_height;	1044	newheight = wattr.height - szHint.base_height;
		1045	}
		1046
		1047	if (newwidth != width || newheight != height)
914	}	1048	{
915	if (width != R->TermWin.width || height != R->TermWin.height) {
916	width += R->szHint.base_width;	1049	newwidth += szHint.base_width;
917	height += R->szHint.base_height;	1050	newheight += szHint.base_height;
918	rxvt_resize_all_windows(aR_ width, height, 0);	1051	resize_all_windows (newwidth, newheight, 0);
919	}	1052	}
920	}	1053	}
921		1054
922	/* -------------------------------------------------------------------- *	1055	/* -------------------------------------------------------------------- *
923	* - X INPUT METHOD ROUTINES - *	1056	* - X INPUT METHOD ROUTINES - *
924	* -------------------------------------------------------------------- */	1057	* -------------------------------------------------------------------- */
925	#ifdef USE_XIM	1058	#ifdef USE_XIM
926	/* INTPROTO */
927	void
928	rxvt_setSize(pR_ XRectangle * size)
929	{
930	size->x = R->TermWin.int_bwidth;
931	size->y = R->TermWin.int_bwidth;
932	size->width = Width2Pixel(R->TermWin.ncol);
933	size->height = Height2Pixel(R->TermWin.nrow);
934	}
935		1059
936	/* INTPROTO */
937	void	1060	void
938	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1061	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
939	{	1062	{
940	*fg = R->PixColors[Color_fg];	1063	fg = pix_colors [Color_fg];
941	*bg = R->PixColors[Color_bg];	1064	bg = pix_colors [Color_bg];
		1065	}
		1066
		1067	void
		1068	rxvt_term::im_set_size (XRectangle &size)
		1069	{
		1070	// the int_bwidth terms make no sense to me
		1071	size.x = int_bwidth;
		1072	size.y = int_bwidth;
		1073	size.width = Width2Pixel (ncol) + int_bwidth;
		1074	size.height = Height2Pixel (nrow) + int_bwidth;
		1075	}
		1076
		1077	void
		1078	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1079	XRectangle &status_rect,
		1080	const XRectangle &needed_rect)
		1081	{
		1082	preedit_rect.x = needed_rect.width;
		1083	preedit_rect.y = 0;
		1084	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1085	preedit_rect.height = fheight;
		1086
		1087	status_rect.x = 0;
		1088	status_rect.y = 0;
		1089	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1090	status_rect.height = fheight;
942	}	1091	}
943		1092
944	/* Checking whether input method is running. */	1093	/* Checking whether input method is running. */
945	/* INTPROTO */
946	Bool	1094	bool
947	rxvt_IMisRunning(pR)	1095	rxvt_term::IMisRunning ()
948	{	1096	{
949	char *p;	1097	char *p;
950	Atom atom;	1098	Atom atom;
951	Window win;	1099	Window win;
952	char server[IMBUFSIZ];	1100	char server[IMBUFSIZ];
953		1101
954	/* get current locale modifier */	1102	/* get current locale modifier */
955	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1103	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1104	{
956	STRCPY(server, "@server=");	1105	strcpy (server, "@server=");
957	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1106	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1107
958	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1108	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
959	*p = '\0';	1109	*p = '\0';
960		1110
961	atom = XInternAtom(R->Xdisplay, server, False);	1111	atom = XInternAtom (dpy, server, False);
962	win = XGetSelectionOwner(R->Xdisplay, atom);	1112	win = XGetSelectionOwner (dpy, atom);
		1113
963	if (win != None)	1114	if (win != None)
964	return True;	1115	return True;
965	}	1116	}
		1117
966	return False;	1118	return False;
967	}	1119	}
968		1120
969	/* EXTPROTO */
970	void	1121	void
971	rxvt_IMSendSpot(pR)	1122	rxvt_term::IMSendSpot ()
972	{	1123	{
973	XPoint spot;	1124	XPoint nspot;
974	XVaNestedList preedit_attr;	1125	XVaNestedList preedit_attr;
975		1126
976	if (R->Input_Context == NULL	1127	if (!Input_Context
977	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1128	|| !focus
978	|| !(R->event_type == KeyPress	1129	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
979	|| R->event_type == Expose
980	|| R->event_type == NoExpose
981	|| R->event_type == SelectionNotify
982	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
983	|| !rxvt_IMisRunning(aR))
984	return;	1130	return;
985		1131
986	rxvt_setPosition(aR_ & spot);	1132	im_set_position (nspot);
987		1133
		1134	if (nspot.x == spot.x && nspot.y == spot.y)
		1135	return;
		1136
		1137	spot = nspot;
		1138
988	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1139	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
989	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1140	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
990	XFree(preedit_attr);	1141	XFree (preedit_attr);
991	}	1142	}
992		1143
993	/* EXTPROTO */
994	void	1144	void
995	rxvt_setTermFontSet(pR_ int idx)	1145	rxvt_term::im_destroy ()
996	{	1146	{
997	char *string;	1147	if (input_method)
998	long length;	1148	{
999	int success = 0;	1149	if (Input_Context && input_method->xim)
		1150	XDestroyIC (Input_Context);
1000		1151
1001	if (idx < 0 || idx >= MAX_NFONTS)	1152	display->put_xim (input_method);
1002	return;	1153	input_method = 0;
1003	}	1154	}
1004		1155
1005	/* INTPROTO */
1006	void
1007	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1008	XRectangle * needed_rect)
1009	{
1010	int mbh, vtx = 0;
1011
1012	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1013	vtx = scrollbar_TotalWidth();
1014	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1015	mbh -= R->TermWin.lineSpace;
1016
1017	preedit_rect->x = needed_rect->width + vtx;
1018	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1019
1020	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1021	+ vtx;
1022	preedit_rect->height = Height2Pixel(1);
1023
1024	status_rect->x = vtx;
1025	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1026
1027	status_rect->width = needed_rect->width ? needed_rect->width
1028	: Width2Pixel(R->TermWin.ncol + 1);
1029	status_rect->height = Height2Pixel(1);
1030	}
1031
1032	/* ARGSUSED */
1033	/* INTPROTO */
1034	void
1035	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1036	__attribute__ ((unused)), XPointer call_data
1037	__attribute__ ((unused)))
1038	{
1039	dR;
1040
1041	R->Input_Context = NULL;	1156	Input_Context = 0;
1042	/* To avoid Segmentation Fault in C locale: Solaris only? */
1043	if (STRCMP(R->locale, "C"))
1044	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1045	rxvt_IMInstantiateCallback, NULL);
1046	}	1157	}
1047		1158
1048	/*	1159	#ifdef ENABLE_XIM_ONTHESPOT
1049	* X manual pages and include files don't match on some systems:
1050	* some think this is an XIDProc and others an XIMProc so we can't
1051	* use the first argument - need to update this to be nice for
1052	* both types via some sort of configure detection
1053	*/
1054	/* ARGSUSED */
1055	/* EXTPROTO */
1056	void
1057	rxvt_IMInstantiateCallback(Display * unused
1058	__attribute__ ((unused)), XPointer client_data
1059	__attribute__ ((unused)), XPointer call_data
1060	__attribute__ ((unused)))
1061	{
1062	dR;
1063	int i, found, had_im;
1064	const char *p;
1065	char **s;
1066	char buf[IMBUFSIZ];
1067		1160
1068	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1161	static void
1069	if (R->Input_Context)	1162	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1070	return;	1163	{
		1164	((rxvt_term *)client_data)->make_current ();
		1165	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1166	}
1071		1167
1072	found = had_im = 0;	1168	static void
1073	p = R->rs[Rs_inputMethod];	1169	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1074	if (p && *p) {	1170	{
1075	had_im = 1;	1171	((rxvt_term *)client_data)->make_current ();
1076	s = rxvt_splitcommastring(p);	1172	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1077	for (i = 0; s[i]; i++) {	1173	}
1078	if (*s[i]) {	1174
1079	STRCPY(buf, "@im=");	1175	static void
1080	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1176	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1081	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1177	{
1082	&& (rxvt_IM_get_IC(aR) == True)) {	1178	rxvt_term *term = (rxvt_term *)client_data;
1083	found = 1;	1179	XIMText *text = call_data->text;
1084	break;	1180
1085	}	1181	term->make_current ();
1086	}	1182
		1183	if (text)
		1184	{
		1185	void *str;
		1186
		1187	if (!text->encoding_is_wchar && text->string.multi_byte)
		1188	{
		1189	// of course, X makes it ugly again
		1190	if (term->rs[Rs_imLocale])
		1191	SET_LOCALE (term->rs[Rs_imLocale]);
		1192
		1193	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1194	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1195
		1196	if (term->rs[Rs_imLocale])
		1197	SET_LOCALE (term->locale);
1087	}	1198	}
1088	for (i = 0; s[i]; i++)	1199	else
1089	free(s[i]);	1200	str = (void *)text->string.wide_char;
1090	free(s);
1091	}
1092	if (found)
1093	return;
1094		1201
1095	/* try with XMODIFIERS env. var. */	1202	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1096	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1203	DT_INT, call_data->caret,
1097	rxvt_IM_get_IC(aR);	1204	DT_INT, call_data->chg_first,
1098	return;	1205	DT_INT, call_data->chg_length,
		1206	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1207	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1208	DT_END));
1099	}	1209	}
1100		1210	else
1101	/* try with no modifiers base IF the user didn't specify an IM */	1211	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1102	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1212	DT_INT, call_data->caret,
1103	&& rxvt_IM_get_IC(aR) == True)	1213	DT_INT, call_data->chg_first,
1104	return;	1214	DT_INT, call_data->chg_length,
		1215	DT_END));
1105	}	1216	}
		1217
		1218	#if 0
		1219	static void
		1220	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1221	{
		1222	((rxvt_term *)client_data)->make_current ();
		1223	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1224	DT_INT, call_data->position,
		1225	DT_INT, call_data->direction,
		1226	DT_INT, call_data->style,
		1227	DT_END));
		1228	}
		1229	#endif
		1230
		1231	#endif
1106		1232
1107	/*	1233	/*
1108	* Try to open a XIM with the current modifiers, then see if we can	1234	* Try to open a XIM with the current modifiers, then see if we can
1109	* open a suitable preedit type	1235	* open a suitable preedit type
1110	*/	1236	*/
1111	/* INTPROTO */
1112	Bool	1237	bool
1113	rxvt_IM_get_IC(pR)	1238	rxvt_term::IM_get_IC (const char *modifiers)
1114	{	1239	{
1115	int i, j, found;	1240	int i, j, found;
1116	XIM xim;	1241	XIM xim;
1117	XPoint spot;	1242	XPoint spot;
1118	XRectangle rect, status_rect, needed_rect;	1243	XRectangle rect, status_rect, needed_rect;
1119	unsigned long fg, bg;	1244	unsigned long fg, bg;
1120	const char *p;	1245	const char *p;
1121	char **s;	1246	char **s;
1122	XIMStyles *xim_styles;	1247	XIMStyles *xim_styles;
1123	XVaNestedList preedit_attr, status_attr;	1248	#ifdef ENABLE_XIM_ONTHESPOT
1124	XIMCallback ximcallback;	1249	XIMCallback xcb[4];
		1250	#endif
1125		1251
1126	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1252	set_environ (envv);
1127	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1253
1128	if (xim == NULL)	1254	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1129	return False;	1255	return false;
1130		1256
		1257	input_method = display->get_xim (locale, modifiers);
		1258	if (input_method == NULL)
		1259	return false;
		1260
		1261	xim = input_method->xim;
		1262	spot.x = spot.y = -1;
		1263
1131	xim_styles = NULL;	1264	xim_styles = NULL;
1132	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1265	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1133	|| !xim_styles || !xim_styles->count_styles) {	1266	|| !xim_styles || !xim_styles->count_styles)
1134	XCloseIM(xim);	1267	{
		1268	im_destroy ();
1135	return False;	1269	return false;
		1270	}
		1271
		1272	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1273
		1274	for (int pi = 0; pi < 2; pi++)
1136	}	1275	{
		1276	p = pet[pi];
1137		1277
1138	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1278	if (!p)
1139	: "OverTheSpot,OffTheSpot,Root";	1279	continue;
		1280
1140	s = rxvt_splitcommastring(p);	1281	s = rxvt_splitcommastring (p);
		1282
1141	for (i = found = 0; !found && s[i]; i++) {	1283	for (i = found = 0; !found && s[i]; i++)
		1284	{
1142	if (!STRCMP(s[i], "OverTheSpot"))	1285	if (!strcmp (s[i], "OverTheSpot"))
1143	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1286	input_style = XIMPreeditPosition | XIMStatusNothing;
1144	else if (!STRCMP(s[i], "OffTheSpot"))	1287	else if (!strcmp (s[i], "OffTheSpot"))
1145	R->input_style = (XIMPreeditArea | XIMStatusArea);	1288	input_style = XIMPreeditArea | XIMStatusArea;
1146	else if (!STRCMP(s[i], "Root"))	1289	else if (!strcmp (s[i], "Root"))
1147	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1290	input_style = XIMPreeditNothing | XIMStatusNothing;
		1291	else if (!strcmp (s[i], "None"))
		1292	input_style = XIMPreeditNone | XIMStatusNone;
		1293	#ifdef ENABLE_XIM_ONTHESPOT
		1294	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1295	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1296	#endif
		1297	else
		1298	input_style = XIMPreeditNothing | XIMStatusNothing;
1148		1299
1149	for (j = 0; j < xim_styles->count_styles; j++)	1300	for (j = 0; j < xim_styles->count_styles; j++)
1150	if (R->input_style == xim_styles->supported_styles[j]) {	1301	if (input_style == xim_styles->supported_styles[j])
		1302	{
		1303	rxvt_freecommastring (s);
		1304
1151	found = 1;	1305	found = 1;
		1306	goto foundpet;
		1307	}
		1308
		1309	}
		1310
		1311	rxvt_freecommastring (s);
		1312	}
		1313
		1314	foundpet:
		1315
		1316	XFree (xim_styles);
		1317
		1318	if (!found)
		1319	{
		1320	im_destroy ();
		1321	return false;
		1322	}
		1323
		1324	XFontSet fs = 0;
		1325	XVaNestedList preedit_attr = 0, status_attr = 0;
		1326
		1327	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1328	{
		1329	// fake us a font-set, please
		1330	char **missing_charset_list;
		1331	int missing_charset_count;
		1332	char *def_string;
		1333	char pat[512];
		1334
		1335	sprintf (pat,
		1336	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1337	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1338	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1339	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1340	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1341	"*",
		1342	fheight,
		1343	fheight + 1, fheight - 1,
		1344	fheight - 2, fheight + 2);
		1345
		1346	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1347	&missing_charset_list, &missing_charset_count, &def_string);
		1348
		1349	if (missing_charset_list)
		1350	XFreeStringList (missing_charset_list);
		1351
		1352	if (!fs)
		1353	{
		1354	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1355	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1356	}
		1357	}
		1358
		1359	if (input_style & XIMPreeditPosition)
		1360	{
		1361	im_set_size (rect);
		1362	im_set_position (spot);
		1363	im_set_color (fg, bg);
		1364
		1365	preedit_attr = XVaCreateNestedList (0,
		1366	XNForeground, fg,
		1367	XNBackground, bg,
		1368	XNArea, &rect,
		1369	XNSpotLocation, &spot,
		1370	XNFontSet, fs,
		1371	NULL);
		1372	}
		1373	else if (input_style & XIMPreeditArea)
		1374	{
		1375	im_set_color (fg, bg);
		1376
		1377	/*
		1378	* The necessary width of preedit area is unknown
		1379	* until create input context.
		1380	*/
		1381	needed_rect.width = 0;
		1382	im_set_preedit_area (rect, status_rect, needed_rect);
		1383
		1384	preedit_attr = XVaCreateNestedList (0,
		1385	XNForeground, fg,
		1386	XNBackground, bg,
		1387	XNArea, &rect,
		1388	XNFontSet, fs,
		1389	NULL);
		1390	status_attr = XVaCreateNestedList (0,
		1391	XNForeground, fg,
		1392	XNBackground, bg,
		1393	XNArea, &status_rect,
		1394	XNFontSet, fs,
		1395	NULL);
		1396	}
		1397	#if ENABLE_XIM_ONTHESPOT
		1398	else if (input_style & XIMPreeditCallbacks)
		1399	{
		1400	im_set_position (spot);
		1401
		1402	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1403	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1404	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1405	# if 0
		1406	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1407	# endif
		1408
		1409	preedit_attr = XVaCreateNestedList (0,
		1410	XNSpotLocation, &spot,
		1411	XNPreeditStartCallback, &xcb[0],
		1412	XNPreeditDoneCallback , &xcb[1],
		1413	XNPreeditDrawCallback , &xcb[2],
		1414	# if 0
		1415	XNPreeditCaretCallback, &xcb[3],
		1416	# endif
		1417	NULL);
		1418	}
		1419	#endif
		1420
		1421	Input_Context = XCreateIC (xim,
		1422	XNInputStyle, input_style,
		1423	XNClientWindow, vt,
		1424	XNFocusWindow, parent[0],
		1425	preedit_attr ? XNPreeditAttributes : NULL,
		1426	preedit_attr,
		1427	status_attr ? XNStatusAttributes : NULL,
		1428	status_attr, NULL);
		1429
		1430	if (preedit_attr) XFree (preedit_attr);
		1431	if (status_attr) XFree (status_attr);
		1432	if (fs) XFreeFontSet (dpy, fs);
		1433
		1434	if (Input_Context == NULL)
		1435	{
		1436	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1437	im_destroy ();
		1438	return false;
		1439	}
		1440
		1441	#if 0
		1442	// unfortunately, only the focus window is used by XIM, hard to fix
		1443	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1444	vt_select_input ();
		1445	#endif
		1446
		1447	IMSetPosition ();
		1448
		1449	return true;
		1450	}
		1451
		1452	void
		1453	rxvt_term::im_cb ()
		1454	{
		1455	int i;
		1456	const char *p;
		1457	char **s;
		1458	char buf[IMBUFSIZ];
		1459
		1460	make_current ();
		1461
		1462	im_destroy ();
		1463
		1464	if (Input_Context)
		1465	return;
		1466
		1467	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1468	if (rs[Rs_imLocale])
		1469	SET_LOCALE (rs[Rs_imLocale]);
		1470	#endif
		1471
		1472	p = rs[Rs_inputMethod];
		1473	if (p && *p)
		1474	{
		1475	bool found = false;
		1476
		1477	s = rxvt_splitcommastring (p);
		1478
		1479	for (i = 0; s[i]; i++)
		1480	{
		1481	if (*s[i])
		1482	{
		1483	strcpy (buf, "@im=");
		1484	strncat (buf, s[i], IMBUFSIZ - 5);
		1485	if (IM_get_IC (buf))
		1486	{
		1487	found = true;
1152	break;	1488	break;
		1489	}
1153	}	1490	}
1154	}	1491	}
1155	for (i = 0; s[i]; i++)
1156	free(s[i]);
1157	free(s);
1158	XFree(xim_styles);
1159		1492
		1493	rxvt_freecommastring (s);
		1494
1160	if (!found) {	1495	if (found)
1161	XCloseIM(xim);	1496	goto done;
1162	return False;
1163	}	1497	}
1164		1498
1165	ximcallback.callback = rxvt_IMDestroyCallback;	1499	/* try with XMODIFIERS env. var. */
		1500	if (IM_get_IC (""))
		1501	goto done;
1166		1502
1167	/* XXX: not sure why we need this (as well as IC one below) */	1503	/* try with no modifiers base IF the user didn't specify an IM */
1168	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1504	if (IM_get_IC ("@im=none"))
		1505	goto done;
1169		1506
1170	preedit_attr = status_attr = NULL;	1507	done:
1171		1508	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1172	if (R->input_style & XIMPreeditPosition) {	1509	if (rs[Rs_imLocale])
1173	rxvt_setSize(aR_ & rect);	1510	SET_LOCALE (locale);
1174	rxvt_setPosition(aR_ & spot);	1511	#endif
1175	rxvt_setColor(aR_ & fg, &bg);
1176
1177	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1178	XNSpotLocation, &spot,
1179	XNForeground, fg, XNBackground, bg,
1180	//XNFontSet, R->TermWin.fontset,
1181	NULL);
1182	} else if (R->input_style & XIMPreeditArea) {
1183	rxvt_setColor(aR_ & fg, &bg);
1184
1185	/*
1186	* The necessary width of preedit area is unknown
1187	* until create input context.
1188	*/
1189	needed_rect.width = 0;
1190
1191	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1192
1193	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1194	XNForeground, fg, XNBackground, bg,
1195	//XNFontSet, R->TermWin.fontset,
1196	NULL);
1197	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1198	XNForeground, fg, XNBackground, bg,
1199	//XNFontSet, R->TermWin.fontset,
1200	NULL);
1201	}
1202	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1203	XNClientWindow, R->TermWin.parent[0],
1204	XNFocusWindow, R->TermWin.parent[0],
1205	XNDestroyCallback, &ximcallback,
1206	preedit_attr ? XNPreeditAttributes : NULL,
1207	preedit_attr,
1208	status_attr ? XNStatusAttributes : NULL,
1209	status_attr, NULL);
1210	if (preedit_attr)
1211	XFree(preedit_attr);
1212	if (status_attr)
1213	XFree(status_attr);
1214	if (R->Input_Context == NULL) {
1215	rxvt_print_error("failed to create input context");
1216	XCloseIM(xim);
1217	return False;
1218	}
1219	if (R->input_style & XIMPreeditArea)
1220	rxvt_IMSetStatusPosition(aR);
1221	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1222	return True;
1223	}	1512	}
1224		1513
1225	/* EXTPROTO */
1226	void	1514	void
1227	rxvt_IMSetStatusPosition(pR)	1515	rxvt_term::IMSetPosition ()
1228	{	1516	{
1229	XRectangle preedit_rect, status_rect, *needed_rect;	1517	XRectangle preedit_rect, status_rect, *needed_rect;
1230	XVaNestedList preedit_attr, status_attr;	1518	XVaNestedList preedit_attr, status_attr;
1231		1519
1232	if (R->Input_Context == NULL	1520	if (!Input_Context
1233	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1521	|| !focus
		1522	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1234	|| !rxvt_IMisRunning(aR))	1523	|| !IMisRunning ())
1235	return;	1524	return;
1236		1525
		1526	if (input_style & XIMPreeditPosition)
		1527	{
		1528	im_set_size (preedit_rect);
		1529	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1530
		1531	XSetICValues (Input_Context,
		1532	XNPreeditAttributes, preedit_attr, NULL);
		1533	}
		1534	else
		1535	{
1237	/* Getting the necessary width of preedit area */	1536	/* Getting the necessary width of preedit area */
1238	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1537	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1239	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1538	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1240	XFree(status_attr);	1539	XFree (status_attr);
1241		1540
1242	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1541	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1542	XFree (needed_rect);
1243		1543
1244	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1544	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1245	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1545	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1246		1546
1247	XSetICValues(R->Input_Context,	1547	XSetICValues (Input_Context,
1248	XNPreeditAttributes, preedit_attr,	1548	XNPreeditAttributes, preedit_attr,
1249	XNStatusAttributes, status_attr, NULL);	1549	XNStatusAttributes, status_attr,
		1550	NULL);
1250		1551
		1552	XFree (status_attr);
		1553	}
		1554
1251	XFree(preedit_attr);	1555	XFree (preedit_attr);
1252	XFree(status_attr);
1253	}	1556	}
1254	#endif /* USE_XIM */	1557	#endif /* USE_XIM */
1255		1558
1256	/*----------------------------------------------------------------------*/	1559	void
1257	rxvt_t rxvt_current_term;	1560	rxvt_term::get_window_origin (int &x, int &y)
		1561	{
		1562	Window cr;
		1563	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1564	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1565	}
		1566
		1567	Pixmap
		1568	rxvt_term::get_pixmap_property (int prop_id)
		1569	{
		1570	if (prop_id > 0 && prop_id < NUM_XA)
		1571	if (xa[prop_id])
		1572	{
		1573	int aformat;
		1574	unsigned long nitems, bytes_after;
		1575	Atom atype;
		1576	unsigned char *prop = NULL;
		1577	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1578	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1579	&nitems, &bytes_after, &prop);
		1580	if (result == Success && prop && atype == XA_PIXMAP)
		1581	return *(Pixmap *)prop;
		1582	}
		1583
		1584	return None;
		1585	}
		1586
		1587	#ifdef HAVE_BG_PIXMAP
		1588	# if TRACE_PIXMAPS
		1589	# undef update_background
		1590	void
		1591	rxvt_term::trace_update_background (const char *file, int line)
		1592	{
		1593	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1594	update_background ();
		1595	}
		1596	# endif
		1597
		1598	void
		1599	rxvt_term::update_background ()
		1600	{
		1601	if (update_background_ev.is_active ())
		1602	return;
		1603
		1604	bgPixmap.invalidate ();
		1605
		1606	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1607
		1608	if (to_wait <= 0.)
		1609	bgPixmap.render ();
		1610	else
		1611	update_background_ev.start (to_wait);
		1612	}
		1613
		1614	void
		1615	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1616	{
		1617	make_current ();
		1618
		1619	update_background_ev.stop ();
		1620	bgPixmap.render ();
		1621	refresh_check ();
		1622	}
		1623
		1624	#endif /* HAVE_BG_PIXMAP */
1258		1625
1259	/*----------------------- end-of-file (C source) -----------------------*/	1626	/*----------------------- end-of-file (C source) -----------------------*/

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