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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.18 by pcg, Fri Dec 19 06:17:03 2003 UTC vs.
Revision 1.329 by sf-exg, Wed Jul 21 11:02:14 2010 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.18 2003/12/19 06:17:03 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) 2003-2008 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
		40	#include <cassert>
37	#include <signal.h>	41	#include <csignal>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>
41	#endif
42
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>
45	#endif
46
47	#include <cstring>	42	#include <cstring>
48		43
		44	#include <termios.h>
		45
		46	#ifdef HAVE_XSETLOCALE
		47	# define X_LOCALE
		48	# include <X11/Xlocale.h>
		49	#else
		50	# ifdef HAVE_SETLOCALE
		51	# include <clocale>
		52	# endif
		53	#endif
		54
		55	vector<rxvt_term *> rxvt_term::termlist;
		56
		57	// used to tell global functions which terminal instance is "active"
		58	rxvt_t rxvt_current_term;
		59
49	static char curlocale[128];	60	static char curlocale[128], savelocale[128];
50		61
51	void	62	bool
52	rxvt_set_locale (const char *locale)	63	rxvt_set_locale (const char *locale) NOTHROW
53	{	64	{
54	if (locale && STRNCMP (locale, curlocale, 128))	65	int size = strlen (locale) + 1;
55	{	66
56	STRNCPY (curlocale, locale, 128);	67	if (size > sizeof (curlocale))
		68	rxvt_fatal ("locale string too long, aborting.\n");
		69
		70	if (!locale || !memcmp (locale, curlocale, size))
		71	return false;
		72
		73	memcpy (curlocale, locale, size);
57	setlocale (LC_CTYPE, curlocale);	74	setlocale (LC_CTYPE, curlocale);
58	}	75	return true;
59	}	76	}
60		77
61	void *	78	void
62	rxvt_term::operator new (size_t s)	79	rxvt_push_locale (const char *locale) NOTHROW
63	{	80	{
64	void *p = malloc (s);	81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
65		84
66	MEMSET (p, 0, s);	85	void
		86	rxvt_pop_locale () NOTHROW
		87	{
		88	rxvt_set_locale (savelocale);
		89	}
		90
		91	#if ENABLE_COMBINING
		92	class rxvt_composite_vec rxvt_composite;
		93
		94	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		95	{
		96	compose_char *cc;
		97
		98	// break compose chains, as stupid readline really likes to duplicate
		99	// composing characters for some reason near the end of a line.
		100	cc = (*this)[c1];
		101	while (cc)
		102	{
		103	if (cc->c2 == c2) return c1;
		104	cc = (*this)[cc->c1];
		105	}
		106
		107	// check to see whether this combination already exists otherwise
		108	for (cc = v.end (); cc-- > v.begin (); )
		109	{
		110	if (cc->c1 == c1 && cc->c2 == c2)
		111	return COMPOSE_LO + (cc - v.begin ());
		112	}
		113
		114	// allocate a new combination
		115	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		116	{
		117	static int seen;
		118
		119	if (!seen++)
		120	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		121
		122	return REPLACEMENT_CHAR;
		123	}
		124
		125	v.push_back (compose_char (c1, c2));
		126
		127	return v.size () - 1 + COMPOSE_LO;
		128	}
		129
		130	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		131	{
		132	compose_char *cc = (*this)[c];
		133
		134	if (!cc)
		135	{
		136	if (r) *r = c;
		137	return 1;
		138	}
		139
		140	int len = expand (cc->c1, r);
		141
		142	if (r) r += len;
		143
		144	if (cc->c2 != NOCHAR)
		145	{
		146	len++;
		147	if (r) *r++ = cc->c2;
		148	}
		149
67	return p;	150	return len;
68	}
69		151
70	void
71	rxvt_term::operator delete (void *p, size_t s)
72	{
73	free (p);
74	}	152	}
		153	#endif
75		154
76	rxvt_term::rxvt_term ()	155	rxvt_term::rxvt_term ()
77	: destroy_ev (this, &rxvt_term::destroy_cb),	156	{
		157	#if HAVE_BG_PIXMAP
		158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		159	#endif
78	#ifdef CURSOR_BLINK	160	#ifdef CURSOR_BLINK
79	blink_ev (this, &rxvt_term::blink_cb),	161	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		162	#endif
		163	#ifdef TEXT_BLINK
		164	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		165	#endif
		166	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		167	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		168	#endif
		169	#ifdef SELECTION_SCROLLING
		170	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		171	#endif
		172	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		173	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		174	#endif
		175	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		176	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		177	#endif
		178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		179	#ifdef USE_XIM
		180	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
80	#endif	181	#endif
81	#ifdef POINTER_BLANK	182	#ifdef POINTER_BLANK
82	pointer_ev (this, &rxvt_term::pointer_cb),	183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
83	#endif	184	#endif
84	x_ev (this, &rxvt_term::x_cb),	185	#ifndef NO_BELL
85	check_ev (this, &rxvt_term::check_cb),	186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
86	incr_ev (this, &rxvt_term::incr_cb),	187	#endif
87	pty_ev (this, &rxvt_term::pty_cb)	188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
88	{	189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		190	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		191	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		192	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		193	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		195
89	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	196	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		197
		198	termlist.push_back (this);
		199
		200	#ifdef KEYSYM_RESOURCE
		201	keyboard = new keyboard_manager;
		202	#endif
		203	}
		204
		205	// clean up the most important stuff, do *not* call x or free mem etc.
		206	// for use before an emergency exit
		207	void
		208	rxvt_term::emergency_cleanup ()
		209	{
		210	if (cmd_pid)
		211	kill (-cmd_pid, SIGHUP);
		212
		213	pty_ev.stop ();
		214	delete pty; pty = 0;
90	}	215	}
91		216
92	rxvt_term::~rxvt_term ()	217	rxvt_term::~rxvt_term ()
93	{	218	{
		219	termlist.erase (find (termlist.begin (), termlist.end(), this));
		220
		221	emergency_cleanup ();
		222
		223	#if ENABLE_STYLES
		224	for (int i = RS_styleCount; --i; )
		225	if (fontset[i] != fontset[0])
		226	delete fontset[i];
		227	#endif
		228	delete fontset[0];
		229
		230	#ifdef HAVE_BG_PIXMAP
		231	bgPixmap.destroy ();
		232	#endif
		233	#ifdef HAVE_AFTERIMAGE
		234	if (asv)
		235	destroy_asvisual (asv, 0);
		236	if (asimman)
		237	destroy_image_manager (asimman, 0);
		238	#endif
		239
		240	if (display)
		241	{
		242	selection_clear ();
		243	selection_clear (true);
		244
		245	#ifdef USE_XIM
		246	im_destroy ();
		247	#endif
		248	scrollBar.destroy ();
		249	if (gc) XFreeGC (dpy, gc);
		250
		251	delete drawable;
		252	// destroy all windows
		253	if (parent[0])
		254	XDestroyWindow (dpy, parent[0]);
		255
		256	for (int i = 0; i < TOTAL_COLORS; i++)
		257	if (ISSET_PIXCOLOR (i))
		258	{
		259	pix_colors_focused [i].free (this);
		260	#if OFF_FOCUS_FADING
		261	pix_colors_unfocused [i].free (this);
		262	#endif
		263	}
		264
		265	clear ();
		266
		267	display->flush (); /* ideally .put should do this */
		268	displays.put (display);
		269	}
		270
94	scr_release ();	271	scr_release ();
95		272
		273	/* clear all resources */
		274	for (int i = 0; i < allocated.size (); i++)
		275	free (allocated [i]);
		276
		277	free (selection.text);
		278	free (selection.clip_text);
		279	// TODO: manage env vars in child only(!)
		280	free (env_display);
		281	free (env_term);
96	free (locale);	282	free (locale);
97	free (codeset);	283	free (v_buffer);
		284	free (incr_buf);
98		285
99	#ifndef NO_SETOWNER_TTYDEV	286	delete envv;
100	rxvt_privileged_ttydev (this, RESTORE);	287	delete argv;
101	#endif
102	#ifdef UTMP_SUPPORT
103	rxvt_privileged_utmp (this, RESTORE);
104	#endif
105	#ifdef USE_XIM
106	if (Input_Context != NULL)
107	{
108	XDestroyIC (Input_Context);
109	Input_Context = NULL;
110	}
111	#endif
112		288
113	if (cmd_fd >= 0)	289	#ifdef KEYSYM_RESOURCE
114	close (cmd_fd);	290	delete keyboard;
		291	#endif
		292	#ifndef NO_RESOURCES
		293	XrmDestroyDatabase (option_db);
		294	#endif
		295	}
115		296
116	if (Xfd >= 0)	297	// child has exited, usually destroys
117	XCloseDisplay (Xdisplay);	298	void
		299	rxvt_term::child_cb (ev::child &w, int status)
		300	{
		301	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
118		302
119	delete PixColors;	303	cmd_pid = 0;
		304
		305	if (!option (Opt_hold))
		306	destroy ();
120	}	307	}
121		308
122	void	309	void
123	rxvt_term::destroy ()	310	rxvt_term::destroy ()
124	{	311	{
		312	if (destroy_ev.is_active ())
		313	return;
		314
		315	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		316
		317	#if ENABLE_OVERLAY
		318	scr_overlay_off ();
		319	#endif
		320
		321	if (display)
		322	{
		323	#if USE_XIM
		324	im_ev.stop (display);
		325	#endif
		326	scrollbar_ev.stop (display);
		327	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		328	rootwin_ev.stop (display);
		329	#endif
		330	incr_ev.stop ();
		331	termwin_ev.stop (display);
		332	vt_ev.stop (display);
		333	}
		334
125	check_ev.stop ();	335	flush_ev.stop ();
126	pty_ev.stop ();	336	pty_ev.stop ();
127	x_ev.stop ();
128	#ifdef CURSOR_BLINK	337	#ifdef CURSOR_BLINK
		338	cursor_blink_ev.stop ();
		339	#endif
		340	#ifdef TEXT_BLINK
129	blink_ev.stop ();	341	text_blink_ev.stop ();
		342	#endif
		343	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		344	cont_scroll_ev.stop ();
		345	#endif
		346	#ifdef SELECTION_SCROLLING
		347	sel_scroll_ev.stop ();
130	#endif	348	#endif
131	#ifdef POINTER_BLANK	349	#ifdef POINTER_BLANK
132	pointer_ev.stop ();	350	pointer_ev.stop ();
133	#endif	351	#endif
134		352
135	destroy_ev.start (0);	353	destroy_ev.start ();
136	}	354	}
137		355
138	void	356	void
139	rxvt_term::destroy_cb (time_watcher &w)	357	rxvt_term::destroy_cb (ev::idle &w, int revents)
140	{	358	{
141	SET_R (this);	359	make_current ();
142		360
143	delete this;	361	delete this;
144	}
145
146	/*----------------------------------------------------------------------*/
147	/* rxvt_init() */
148	/* LIBPROTO */
149	rxvt_t
150	rxvt_init (int argc, const char *const *argv)
151	{
152	SET_R (new rxvt_term);
153	dR;
154
155	if (!R->init_vars () || !R->init (argc, argv))
156	{
157	delete R;
158	return NULL;
159	}
160
161	return R;
162	}
163
164	/* EXTPROTO */
165	void
166	rxvt_init_signals ()
167	{
168	/* install exit handler for cleanup */
169	#if 0
170	#ifdef HAVE_ATEXIT
171	atexit(rxvt_clean_exit);
172	#else
173	#endif
174	#endif
175
176	struct sigaction sa;
177
178	sigfillset (&sa.sa_mask);
179	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
180	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
181	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
182	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
183	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
184	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
185	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
186
187	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
188	/* signal (SIGURG, SIG_DFL); */
189
190	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
191	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
192	}
193
194	bool
195	rxvt_term::init (int argc, const char *const *argv)
196	{
197	/*
198	* Save and then give up any super-user privileges
199	* If we need privileges in any area then we must specifically request it.
200	* We should only need to be root in these cases:
201	* 1. write utmp entries on some systems
202	* 2. chown tty on some systems
203	*/
204	rxvt_privileges (this, SAVE);
205	rxvt_privileges (this, IGNORE);
206
207	init_secondary ();
208
209	const char **cmd_argv = init_resources (argc, argv);
210
211	set_locale ("");
212
213	#if (MENUBAR_MAX)
214	rxvt_menubar_read (this, rs[Rs_menu]);
215	#endif
216	#ifdef HAVE_SCROLLBARS
217	if (Options & Opt_scrollBar)
218	scrollBar.setIdle (); /* set existence for size calculations */
219	#endif
220
221	create_windows (argc, argv);
222
223	init_xlocale ();
224
225	scr_reset (); /* initialize screen */
226	#ifdef RXVT_GRAPHICS
227	rxvt_Gr_reset (this); /* reset graphics */
228	#endif
229
230	#if 0
231	#ifdef DEBUG_X
232	XSynchronize(Xdisplay, True);
233	#endif
234	#endif
235
236	#ifdef HAVE_SCROLLBARS
237	if (Options & Opt_scrollBar)
238	resize_scrollbar (); /* create and map scrollbar */
239	#endif
240	#if (MENUBAR_MAX)
241	if (menubar_visible(r))
242	XMapWindow (Xdisplay, menuBar.win);
243	#endif
244	#ifdef TRANSPARENT
245	if (Options & Opt_transparent)
246	{
247	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
248	rxvt_check_our_parents (this);
249	}
250	#endif
251	XMapWindow (Xdisplay, TermWin.vt);
252	XMapWindow (Xdisplay, TermWin.parent[0]);
253
254	init_env ();
255	init_command (cmd_argv);
256
257	x_ev.start (Xfd, EVENT_READ);
258	pty_ev.start (cmd_fd, EVENT_READ);
259
260	check_ev.start ();
261
262	process_x_events ();
263
264	return true;
265	}
266
267	/* ------------------------------------------------------------------------- *
268	* SIGNAL HANDLING & EXIT HANDLER *
269	* ------------------------------------------------------------------------- */
270	/*
271	* Catch a SIGCHLD signal and exit if the direct child has died
272	*/
273	/* ARGSUSED */
274	/* EXTPROTO */
275	RETSIGTYPE
276	rxvt_Child_signal(int sig __attribute__ ((unused)))
277	{
278	int pid, save_errno = errno;
279	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
280	;
281	errno = save_errno;
282
283	#if 0
284	if (pid == R->cmd_pid)
285	exit (EXIT_SUCCESS);
286	#endif
287	}
288
289	/*
290	* Catch a fatal signal and tidy up before quitting
291	*/
292	/* EXTPROTO */
293	RETSIGTYPE
294	rxvt_Exit_signal(int sig)
295	{
296	signal(sig, SIG_DFL);
297	#ifdef DEBUG_CMD
298	rxvt_print_error("signal %d", sig);
299	#endif
300	rxvt_clean_exit();
301	kill(getpid(), sig);
302	}
303
304	/* ARGSUSED */
305	/* INTPROTO */
306	int
307	rxvt_xerror_handler(const Display * display
308	__attribute__ ((unused)), const XErrorEvent * event)
309	{
310	dR;
311
312	if (R->allowedxerror == -1)
313	R->allowedxerror = event->error_code;
314	else
315	{
316	rxvt_print_error("XError: Request: %d . %d, Error: %d",
317	event->request_code, event->minor_code,
318	event->error_code);
319
320	R->destroy ();
321	}
322
323	return 0;
324	}	362	}
325		363
326	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
327	/*	365	/*
328	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
329	* TODO: if debugging, this should free up any known resources if we can	367	* TODO: if debugging, this should free up any known resources if we can
330	*/	368	*/
331	/* EXTPROTO */	369	static XErrorHandler old_xerror_handler;
332	void
333	rxvt_clean_exit ()
334	{
335	dR;
336		370
337	R->destroy ();	371	static void
338	}	372	rxvt_emergency_cleanup ()
339
340	/* ------------------------------------------------------------------------- *
341	* MEMORY ALLOCATION WRAPPERS *
342	* ------------------------------------------------------------------------- */
343	/* EXTPROTO */
344	void *
345	rxvt_malloc(size_t size)
346	{	373	{
347	void *p;	374	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
348		375	(*t)->emergency_cleanup ();
349	p = malloc(size);
350	if (p)
351	return p;
352
353	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
354	rxvt_clean_exit();
355	exit(EXIT_FAILURE);
356	/* NOTREACHED */
357	}	376	}
358		377
359	/* EXTPROTO */	378	#if !ENABLE_MINIMAL
360	void *	379	static void
361	rxvt_calloc(size_t number, size_t size)	380	print_x_error (Display *dpy, XErrorEvent *event)
362	{	381	{
363	void *p;	382	char buffer[BUFSIZ];
364		383	char mesg[BUFSIZ];
365	p = calloc(number, size);	384	char number[32];
366	if (p)	385	char *mtype = "XlibMessage";
367	return p;	386	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
368		387	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
369	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	388	rxvt_warn ("An X Error occured, trying to continue after report.\n");
370	rxvt_clean_exit();	389	rxvt_warn ("%s: %s\n", mesg, buffer);
371	exit(EXIT_FAILURE);	390	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
372	/* NOTREACHED */	391	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
373	}	392	sprintf(number, "%d", event->request_code);
374		393	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
375	/* EXTPROTO */	394	rxvt_warn ("(which is %s)\n", buffer);
376	void *	395	if (event->request_code >= 128) {
377	rxvt_realloc(void *ptr, size_t size)	396	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
378	{	397	mesg, BUFSIZ);
379	void *p;	398	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
380
381	if (ptr)
382	p = realloc(ptr, size);
383	else
384	p = malloc(size);
385	if (p)
386	return p;
387
388	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
389	rxvt_clean_exit();
390	exit(EXIT_FAILURE);
391	/* NOTREACHED */
392	}
393
394	/* ------------------------------------------------------------------------- *
395	* PRIVILEGED OPERATIONS *
396	* ------------------------------------------------------------------------- */
397	/* take care of suid/sgid super-user (root) privileges */
398	/* INTPROTO */
399	void
400	rxvt_privileges(pR_ int mode)
401	{
402	#if ! defined(__CYGWIN32__)
403	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
404	/* setreuid() is the poor man's setuid(), seteuid() */
405	# define seteuid(a) setreuid(-1, (a))
406	# define setegid(a) setregid(-1, (a))
407	# define HAVE_SETEUID
408	# endif
409	# ifdef HAVE_SETEUID
410	switch (mode) {
411	case IGNORE:
412	/*
413	* change effective uid/gid - not real uid/gid - so we can switch
414	* back to root later, as required
415	*/
416	seteuid(getuid());
417	setegid(getgid());
418	break;
419	case SAVE:
420	R->euid = geteuid();
421	R->egid = getegid();
422	break;
423	case RESTORE:
424	seteuid(R->euid);
425	setegid(R->egid);
426	break;
427	}	399	}
428	# else	400	if ((event->error_code == BadWindow) ||
429	switch (mode) {	401	(event->error_code == BadPixmap) ||
430	case IGNORE:	402	(event->error_code == BadCursor) ||
431	setuid(getuid());	403	(event->error_code == BadFont) ||
432	setgid(getgid());	404	(event->error_code == BadDrawable) ||
433	/* FALLTHROUGH */	405	(event->error_code == BadColor) ||
434	case SAVE:	406	(event->error_code == BadGC) ||
435	/* FALLTHROUGH */	407	(event->error_code == BadIDChoice) ||
436	case RESTORE:	408	(event->error_code == BadValue) ||
437	break;	409	(event->error_code == BadAtom)) {
438	}	410	if (event->error_code == BadValue)
439	# endif	411	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
440	#endif	412	mesg, BUFSIZ);
441	}	413	else if (event->error_code == BadAtom)
442		414	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
443	#ifdef UTMP_SUPPORT	415	mesg, BUFSIZ);
444	/* EXTPROTO */
445	void
446	rxvt_privileged_utmp(pR_ char action)
447	{
448	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
449	action, R->next_utmp_action, getpid()));
450	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
451	|| (R->Options & Opt_utmpInhibit)
452	|| R->ttydev == NULL || *R->ttydev == '\0')
453	return;
454
455	rxvt_privileges(aR_ RESTORE);
456	if (action == SAVE) {
457	R->next_utmp_action = RESTORE;
458	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
459	} else { /* action == RESTORE */
460	R->next_utmp_action = IGNORE;
461	rxvt_cleanutent(aR);
462	}
463	rxvt_privileges(aR_ IGNORE);
464	}
465	#endif
466
467	#ifndef NO_SETOWNER_TTYDEV
468	/* EXTPROTO */
469	void
470	rxvt_privileged_ttydev(pR_ char action)
471	{
472	D_MAIN((stderr,
473	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
474	action, R->next_tty_action, getpid()));
475	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
476	|| R->ttydev == NULL || *R->ttydev == '\0')
477	return;
478
479	rxvt_privileges(aR_ RESTORE);
480
481	if (action == SAVE) {
482	R->next_tty_action = RESTORE;
483	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
484	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
485	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
486	R->next_tty_action = IGNORE;
487	else	416	else
		417	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		418	mesg, BUFSIZ);
		419	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		420	}
		421	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		422	mesg, BUFSIZ);
		423	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		424	}
488	# endif	425	#endif
489	{	426
490	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	427	int
491	chmod(R->ttydev, R->ttymode);	428	rxvt_xerror_handler (Display *display, XErrorEvent *event)
492	# ifdef HAVE_REVOKE	429	{
493	revoke(R->ttydev);	430	if (GET_R->allowedxerror == -1)
		431	GET_R->allowedxerror = event->error_code;
		432	else
		433	{
		434	// GET_R is most likely not the terminal which caused the error,
		435	// so just output the error and continue
		436	#if ENABLE_MINIMAL
		437	old_xerror_handler (display, event);
		438	#else
		439	print_x_error (display, event);
494	# endif	440	#endif
495	}	441	}
496	} else { /* action == RESTORE */	442
497	R->next_tty_action = IGNORE;	443	return 0;
498	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	444	}
499	chmod(R->ttydev, R->ttyfd_stat.st_mode);	445
500	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);	446	int
501	# else	447	rxvt_xioerror_handler (Display *display)
502	chmod(R->ttydev,	448	{
503	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));	449	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
504	chown(R->ttydev, 0, 0);	450	DisplayString (display));
505	# endif	451	rxvt_emergency_cleanup ();
		452	_exit (EXIT_FAILURE);
		453	}
		454
		455	static struct sig_handlers
		456	{
		457	ev::sig sw_term, sw_int;
		458
		459	/*
		460	* Catch a fatal signal and tidy up before quitting
		461	*/
		462	void sig_term (ev::sig &w, int revents);
		463
		464	sig_handlers ()
		465	{
		466	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		467	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
506	}	468	}
		469	} sig_handlers;
507		470
508	rxvt_privileges(aR_ IGNORE);	471	void
509		472	sig_handlers::sig_term (ev::sig &w, int revents)
510	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	473	{
511	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	474	rxvt_emergency_cleanup ();
512	action == RESTORE ? "Restoring" : (action ==	475	w.stop ();
513	SAVE ? "Saving" :	476	kill (getpid (), w.signum);
514	"UNKNOWN ERROR for"), R->ttydev,
515	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
516	R->ttyfd_stat.st_gid));
517	# endif
518	}	477	}
519	#endif	478
		479	char **rxvt_environ; // startup environment
		480
		481	void
		482	rxvt_init ()
		483	{
		484	assert (("fontMask must not overlap other RS masks",
		485	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		486
		487	ptytty::init ();
		488
		489	if (!ev_default_loop (0))
		490	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		491
		492	rxvt_environ = environ;
		493
		494	signal (SIGHUP, SIG_IGN);
		495	signal (SIGPIPE, SIG_IGN);
		496
		497	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		498	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		499
		500	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		501	// TODO: handle this with exceptions and tolerate the memory loss
		502	XSetIOErrorHandler (rxvt_xioerror_handler);
		503
		504	XrmInitialize ();
		505	}
520		506
521	/*----------------------------------------------------------------------*/	507	/*----------------------------------------------------------------------*/
522	/*	508	/*
523	* window size/position calculcations for XSizeHint and other storage.	509	* window size/position calculations for XSizeHint and other storage.
524	* if width/height are non-zero then override calculated width/height	510	* if width/height are non-zero then override calculated width/height
525	*/	511	*/
526	void	512	void
527	rxvt_term::window_calc (unsigned int width, unsigned int height)	513	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
528	{	514	{
529	short recalc_x, recalc_y;	515	short recalc_x, recalc_y;
530	int x, y, sb_w, mb_h, flags;	516	int x, y, flags;
531	unsigned int w, h;	517	unsigned int w, h;
532	unsigned int max_width, max_height;	518	unsigned int max_width, max_height;
533		519
534	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
535	TermWin.ncol, TermWin.nrow, szHint.width,
536	szHint.height));
537	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	520	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
538	szHint.win_gravity = NorthWestGravity;	521	szHint.win_gravity = NorthWestGravity;
539	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	522	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
540		523
541	recalc_x = recalc_y = 0;	524	recalc_x = recalc_y = 0;
542	flags = 0;	525	flags = 0;
		526
543	if (!parsed_geometry) {	527	if (!parsed_geometry)
		528	{
544	parsed_geometry = 1;	529	parsed_geometry = 1;
		530
545	if (rs[Rs_geometry])	531	if (rs[Rs_geometry])
546	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	532	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		533
547	if (flags & WidthValue) {	534	if (flags & WidthValue)
548	TermWin.ncol = BOUND_POSITIVE_INT16(w);	535	{
		536	if (!w)
		537	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		538
		539	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
549	szHint.flags |= USSize;	540	szHint.flags |= USSize;
550	}	541	}
		542
551	if (flags & HeightValue) {	543	if (flags & HeightValue)
552	TermWin.nrow = BOUND_POSITIVE_INT16(h);	544	{
		545	if (!h)
		546	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		547
		548	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
553	szHint.flags |= USSize;	549	szHint.flags |= USSize;
554	}	550	}
		551
555	if (flags & XValue) {	552	if (flags & XValue)
		553	{
556	szHint.x = x;	554	szHint.x = x;
557	szHint.flags |= USPosition;	555	szHint.flags |= USPosition;
		556
558	if (flags & XNegative) {	557	if (flags & XNegative)
		558	{
559	recalc_x = 1;	559	recalc_x = 1;
560	szHint.win_gravity = NorthEastGravity;	560	szHint.win_gravity = NorthEastGravity;
561	}	561	}
562	}	562	}
		563
563	if (flags & YValue) {	564	if (flags & YValue)
		565	{
564	szHint.y = y;	566	szHint.y = y;
565	szHint.flags |= USPosition;	567	szHint.flags |= USPosition;
		568
566	if (flags & YNegative) {	569	if (flags & YNegative)
		570	{
567	recalc_y = 1;	571	recalc_y = 1;
		572
568	if (szHint.win_gravity == NorthEastGravity)	573	if (szHint.win_gravity == NorthEastGravity)
569	szHint.win_gravity = SouthEastGravity;	574	szHint.win_gravity = SouthEastGravity;
570	else	575	else
571	szHint.win_gravity = SouthWestGravity;	576	szHint.win_gravity = SouthWestGravity;
572	}	577	}
573	}	578	}
574	}	579	}
		580
575	/* TODO: BOUNDS */	581	/* TODO: BOUNDS */
576	TermWin.width = TermWin.ncol * TermWin.fwidth;	582	width = ncol * fwidth;
577	TermWin.height = TermWin.nrow * TermWin.fheight;	583	height = nrow * fheight;
578	max_width = MAX_COLS * TermWin.fwidth;	584	max_width = MAX_COLS * fwidth;
579	max_height = MAX_ROWS * TermWin.fheight;	585	max_height = MAX_ROWS * fheight;
580		586
581	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	587	szHint.base_width = szHint.base_height = 2 * int_bwidth;
582		588
583	sb_w = mb_h = 0;
584	window_vt_x = window_vt_y = 0;	589	window_vt_x = window_vt_y = int_bwidth;
585	if (scrollbar_visible (this)) {	590
		591	if (scrollBar.state)
		592	{
586	sb_w = scrollbar_TotalWidth();	593	int sb_w = scrollBar.total_width ();
587	szHint.base_width += sb_w;	594	szHint.base_width += sb_w;
		595
588	if (!(Options & Opt_scrollBar_right))	596	if (!option (Opt_scrollBar_right))
589	window_vt_x = sb_w;	597	window_vt_x += sb_w;
590	}	598	}
591	if (menubar_visible (this)) {	599
592	mb_h = menuBar_TotalHeight();
593	szHint.base_height += mb_h;
594	window_vt_y = mb_h;
595	}
596	szHint.width_inc = TermWin.fwidth;	600	szHint.width_inc = fwidth;
597	szHint.height_inc = TermWin.fheight;	601	szHint.height_inc = fheight;
598	szHint.min_width = szHint.base_width + szHint.width_inc;	602	szHint.min_width = szHint.base_width + szHint.width_inc;
599	szHint.min_height = szHint.base_height + szHint.height_inc;	603	szHint.min_height = szHint.base_height + szHint.height_inc;
600		604
601	if (width && width - szHint.base_width < max_width) {	605	if (newwidth && newwidth - szHint.base_width < max_width)
		606	{
602	szHint.width = width;	607	szHint.width = newwidth;
603	TermWin.width = width - szHint.base_width;	608	width = newwidth - szHint.base_width;
604	} else {	609	}
605	MIN_IT(TermWin.width, max_width);	610	else
		611	{
		612	min_it (width, max_width);
606	szHint.width = szHint.base_width + TermWin.width;	613	szHint.width = szHint.base_width + width;
607	}	614	}
		615
608	if (height && height - szHint.base_height < max_height) {	616	if (newheight && newheight - szHint.base_height < max_height)
		617	{
609	szHint.height = height;	618	szHint.height = newheight;
610	TermWin.height = height - szHint.base_height;	619	height = newheight - szHint.base_height;
611	} else {	620	}
		621	else
		622	{
612	MIN_IT(TermWin.height, max_height);	623	min_it (height, max_height);
613	szHint.height = szHint.base_height + TermWin.height;	624	szHint.height = szHint.base_height + height;
614	}	625	}
615	if (scrollbar_visible (this) && (Options & Opt_scrollBar_right))
616	window_sb_x = szHint.width - sb_w;
617		626
618	if (recalc_x)	627	if (recalc_x)
619	szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay))	628	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
620	- szHint.width - 2 * TermWin.ext_bwidth);	629
621	if (recalc_y)	630	if (recalc_y)
622	szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay))	631	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
623	- szHint.height - 2 * TermWin.ext_bwidth);
624		632
625	TermWin.ncol = TermWin.width / TermWin.fwidth;	633	ncol = width / fwidth;
626	TermWin.nrow = TermWin.height / TermWin.fheight;	634	nrow = height / fheight;
627	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
628	TermWin.ncol, TermWin.nrow, szHint.width,
629	szHint.height));
630	return;
631	}	635	}
632		636
633	/*----------------------------------------------------------------------*/	637	/*----------------------------------------------------------------------*/
634	/*	638	/*
635	* Tell the teletype handler what size the window is.	639	* Tell the teletype handler what size the window is.
636	* Called after a window size change.	640	* Called after a window size change.
637	*/	641	*/
638	void	642	void
639	rxvt_term::tt_winch ()	643	rxvt_term::tt_winch ()
640	{	644	{
641	struct winsize ws;	645	if (pty->pty < 0)
642
643	if (cmd_fd < 0)
644	return;	646	return;
645		647
		648	struct winsize ws;
		649
646	ws.ws_col = TermWin.ncol;	650	ws.ws_col = ncol;
647	ws.ws_row = TermWin.nrow;	651	ws.ws_row = nrow;
648	ws.ws_xpixel = ws.ws_ypixel = 0;	652	ws.ws_xpixel = width;
649	#ifndef DEBUG_SIZE	653	ws.ws_ypixel = height;
650	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	654	ioctl (pty->pty, TIOCSWINSZ, &ws);
651	#else	655
652	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	656	#if 0
653	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	657	// TIOCSWINSZ is supposed to do this automatically and correctly
654	# ifdef SIGWINCH
655	else if (cmd_pid) /* force through to the command */	658	if (cmd_pid) /* force through to the command */
656	kill (cmd_pid, SIGWINCH);	659	kill (-cmd_pid, SIGWINCH);
657	# endif
658	#endif	660	#endif
659	}	661	}
660		662
661	/*----------------------------------------------------------------------*/	663	/*----------------------------------------------------------------------*/
662	/* rxvt_change_font() - Switch to a new font */	664	/* set_fonts () - load and set the various fonts
663	/*	665	*
664	* init = 1 - initialize	666	* init = 1 - initialize
665	*	667	*
666	* fontname == FONT_UP - switch to bigger font	668	* fontname == FONT_UP - switch to bigger font
667	* fontname == FONT_DN - switch to smaller font	669	* fontname == FONT_DN - switch to smaller font
668	*/	670	*/
669	/* EXTPROTO */	671	bool
670	void	672	rxvt_term::set_fonts ()
671	rxvt_change_font(pR_ int init, const char *fontname)
672	{	673	{
673	}	674	rxvt_fontset *fs = new rxvt_fontset (this);
		675	rxvt_fontprop prop;
674		676
675	/* INTPROTO */	677	if (!fs
		678	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		679	|| !fs->realize_font (1))
		680	{
		681	delete fs;
		682	return false;
		683	}
		684
		685	#if ENABLE_STYLES
		686	for (int i = RS_styleCount; --i; )
		687	if (fontset[i] != fontset[0])
		688	delete fontset[i];
		689	#endif
		690
		691	delete fontset[0];
		692	fontset[0] = fs;
		693
		694	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		695	prop.height += lineSpace;
		696	prop.width += letterSpace;
		697
		698	fs->set_prop (prop, false);
		699
		700	fwidth = prop.width;
		701	fheight = prop.height;
		702	fbase = prop.ascent;
		703
		704	for (int style = 1; style < 4; style++)
		705	{
		706	#if ENABLE_STYLES
		707	const char *res = rs[Rs_font + style];
		708
		709	if (res && !*res)
		710	fontset[style] = fontset[0];
		711	else
		712	{
		713	fontset[style] = fs = new rxvt_fontset (this);
		714	rxvt_fontprop prop2 = prop;
		715
		716	if (res)
		717	{
		718	fs->populate (res);
		719	fs->set_prop (prop2, false);
		720	}
		721	else
		722	{
		723	fs->populate (fontset[0]->fontdesc);
		724
		725	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		726	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		727
		728	fs->set_prop (prop2, true);
		729	}
		730
		731	}
		732	#else
		733	fontset[style] = fontset[0];
		734	#endif
		735	}
		736
		737	if (parent[0])
		738	{
		739	resize_all_windows (0, 0, 0);
		740	scr_remap_chars ();
		741	scr_touch (true);
		742	}
		743
		744	return true;
		745	}
		746
676	void	747	void
677	rxvt_font_up_down(pR_ int n, int direction)	748	rxvt_term::set_string_property (Atom prop, const char *str, int len)
678	{	749	{
		750	XChangeProperty (dpy, parent[0],
		751	prop, XA_STRING, 8, PropModeReplace,
		752	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		753	}
		754
		755	void
		756	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		757	{
		758	XTextProperty ct;
		759
		760	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		761	{
		762	XSetTextProperty (dpy, parent[0], &ct, prop);
		763	XFree (ct.value);
		764	}
		765	}
		766
		767	void
		768	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		769	{
		770	wchar_t *ws = rxvt_mbstowcs (str, len);
		771	char *s = rxvt_wcstoutf8 (ws);
		772
		773	XChangeProperty (dpy, parent[0],
		774	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		775	(const unsigned char *)s, strlen (s));
		776
		777	free (s);
		778	free (ws);
679	}	779	}
680		780
681	/*----------------------------------------------------------------------*/	781	/*----------------------------------------------------------------------*/
682	/*----------------------------------------------------------------------*/	782	/*----------------------------------------------------------------------*/
683	/* xterm sequences - title, iconName, color (exptl) */	783	/* xterm sequences - title, iconName, color (exptl) */
684	/* EXTPROTO */
685	void	784	void
686	rxvt_set_title(pR_ const char *str)	785	rxvt_term::set_title (const char *str)
687	{	786	{
688	#ifndef SMART_WINDOW_TITLE	787	set_mbstring_property (XA_WM_NAME, str);
689	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	788	#if ENABLE_EWMH
690	#else	789	set_utf8_property (xa[XA_NET_WM_NAME], str);
691	char *name;
692
693	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
694	name = NULL;
695	if (name == NULL || STRCMP(name, str))
696	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
697	if (name)
698	XFree(name);
699	#endif	790	#endif
700	}	791	}
701		792
702	/* EXTPROTO */
703	void	793	void
704	rxvt_set_iconName(pR_ const char *str)	794	rxvt_term::set_icon_name (const char *str)
705	{	795	{
706	#ifndef SMART_WINDOW_TITLE	796	set_mbstring_property (XA_WM_ICON_NAME, str);
707	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	797	#if ENABLE_EWMH
708	#else	798	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
709	char *name;
710
711	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
712	name = NULL;
713	if (name == NULL || STRCMP(name, str))
714	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
715	if (name)
716	XFree(name);
717	#endif	799	#endif
718	}	800	}
719		801
		802	void
		803	rxvt_term::set_window_color (int idx, const char *color)
		804	{
720	#ifdef XTERM_COLOR_CHANGE	805	#ifdef XTERM_COLOR_CHANGE
721	/* EXTPROTO */
722	void
723	rxvt_set_window_color(pR_ int idx, const char *color)
724	{
725	rxvt_color xcol;	806	rxvt_color xcol;
726	int i;
727		807
728	if (color == NULL || *color == '\0')	808	if (color == NULL || *color == '\0')
729	return;	809	return;
730		810
		811	color = strdup (color);
		812	allocated.push_back ((void *)color);
		813	rs[Rs_color + idx] = color;
		814
731	/* handle color aliases */	815	/* handle color aliases */
732	if (isdigit(*color)) {	816	if (isdigit (*color))
		817	{
733	i = atoi(color);	818	int i = atoi (color);
734	if (i >= 8 && i <= 15) { /* bright colors */	819
735	i -= 8;	820	if (i >= 8 && i <= 15)
736	# ifndef NO_BRIGHTCOLOR	821	{
737	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	822	/* bright colors */
738	SET_PIXCOLOR(R, idx);	823	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
739	goto Done;	824	goto done;
740	# endif
741	}	825	}
742	if (i >= 0 && i <= 7) { /* normal colors */	826
743	R->PixColors[idx] = R->PixColors[minCOLOR + i];	827	if (i >= 0 && i <= 7)
744	SET_PIXCOLOR(R, idx);	828	{
		829	/* normal colors */
		830	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
745	goto Done;	831	goto done;
746	}	832	}
747	}	833	}
748	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
749	return;
750	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
751		834
752	/*	835	set_color (xcol, color);
		836
		837	/*
753	* FIXME: should free colors here, but no idea how to do it so instead,	838	* FIXME: should free colors here, but no idea how to do it so instead,
754	* so just keep gobbling up the colormap	839	* so just keep gobbling up the colormap
755	*/	840	*/
756	# if 0
757	for (i = Color_Black; i <= Color_White; i++)
758	if (R->PixColors[idx] == R->PixColors[i])
759	break;
760	if (i > Color_White) {
761	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
762	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
763	DisplayPlanes(R->Xdisplay, Xscreen));
764	}
765	# endif
766		841
767	R->PixColors[idx] = xcol;	842	pix_colors_focused[idx] = xcol;
768	SET_PIXCOLOR(R, idx);
769		843
770	/* XSetWindowAttributes attr; */	844	done:
771	/* Cursor cursor; */
772	Done:
773	if (idx == Color_bg && !(R->Options & Opt_transparent))
774	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
775	R->PixColors[Color_bg]);
776
777	/* handle Color_BD, scrollbar background, etc. */	845	/*TODO: handle Color_BD, scrollbar background, etc. */
778		846
779	rxvt_set_colorfgbg (aR);	847	update_fade_color (idx);
780	R->recolour_cursor ();	848	recolour_cursor ();
781	/* the only reasonable way to enforce a clean update */	849	scr_recolour ();
782	rxvt_scr_poweron (aR);	850	#endif /* XTERM_COLOR_CHANGE */
783	}	851	}
784
785	#else
786	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
787	#endif /* XTERM_COLOR_CHANGE */
788		852
789	void	853	void
790	rxvt_term::recolour_cursor ()	854	rxvt_term::recolour_cursor ()
791	{	855	{
792	#if TODO	856	XColor fg, bg;
793	rxvt_color xcol[2];
794		857
795	xcol[0] = PixColors[Color_pointer];	858	(ISSET_PIXCOLOR (Color_pointer_fg)
796	xcol[1] = PixColors[Color_bg];	859	? pix_colors_focused[Color_pointer_fg]
797	XQueryColors (Xdisplay, XCMAP, xcol, 2);	860	: pix_colors_focused[Color_fg]).get (fg);
		861
		862	(ISSET_PIXCOLOR (Color_pointer_bg)
		863	? pix_colors_focused[Color_pointer_bg]
		864	: pix_colors_focused[Color_bg]).get (bg);
		865
798	XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1]));	866	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
799	#endif
800	}	867	}
801		868
802	/*----------------------------------------------------------------------*/	869	/*----------------------------------------------------------------------*/
803	/*	870	/*
804	* find if fg/bg matches any of the normal (low-intensity) colors	871	* find if fg/bg matches any of the normal (low-intensity) colors
805	*/	872	*/
806	/* INTPROTO */
807	void	873	void
808	rxvt_set_colorfgbg(pR)	874	rxvt_term::set_colorfgbg ()
809	{	875	{
810	unsigned int i;	876	unsigned int i;
811	const char *xpmb = "\0";	877	const char *xpmb = "";
812	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	878	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
813		879
814	R->env_colorfgbg =	880	strcpy (fstr, "default");
815	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	881	strcpy (bstr, "default");
816	STRCPY(fstr, "default");
817	STRCPY(bstr, "default");
818	for (i = Color_Black; i <= Color_White; i++)	882	for (i = Color_Black; i <= Color_White; i++)
819	if (R->PixColors[Color_fg] == R->PixColors[i]) {	883	if (pix_colors[Color_fg] == pix_colors[i])
		884	{
820	sprintf(fstr, "%d", (i - Color_Black));	885	sprintf (fstr, "%d", (i - Color_Black));
821	break;	886	break;
822	}	887	}
		888
823	for (i = Color_Black; i <= Color_White; i++)	889	for (i = Color_Black; i <= Color_White; i++)
824	if (R->PixColors[Color_bg] == R->PixColors[i]) {	890	if (pix_colors[Color_bg] == pix_colors[i])
		891	{
825	sprintf(bstr, "%d", (i - Color_Black));	892	sprintf (bstr, "%d", (i - Color_Black));
826	#ifdef XPM_BACKGROUND	893	#ifdef BG_IMAGE_FROM_FILE
827	xpmb = "default;";	894	xpmb = "default;";
828	#endif	895	#endif
829	break;	896	break;
830	}	897	}
		898
831	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	899	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
832	putenv(R->env_colorfgbg);
833
834	#ifndef NO_BRIGHTCOLOR
835	R->colorfgbg = DEFAULT_RSTYLE;
836	for (i = minCOLOR; i <= maxCOLOR; i++) {
837	if (R->PixColors[Color_fg] == R->PixColors[i])
838	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
839	if (R->PixColors[Color_bg] == R->PixColors[i])
840	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
841	}
842	#endif
843	}	900	}
844		901
845	/*----------------------------------------------------------------------*/	902	/*----------------------------------------------------------------------*/
846	/*
847	* Colour determination for low colour displays, routine from
848	* Hans de Goede <hans@highrise.nl>
849	*/
850		903
851	/* EXTPROTO */	904	bool
852	int	905	rxvt_term::set_color (rxvt_color &color, const char *name)
853	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
854	{	906	{
855	screen_in_out->set(aR_ colour);	907	if (color.set (this, name))
856
857	if (!screen_in_out->set(aR_ colour)) {
858	rxvt_print_error("can't allocate colour: %s", colour);
859	return false;
860	}
861
862	return true;	908	return true;
		909
		910	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		911	return false;
		912	}
		913
		914	void
		915	rxvt_term::alias_color (int dst, int src)
		916	{
		917	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
863	}	918	}
864		919
865	/* -------------------------------------------------------------------- *	920	/* -------------------------------------------------------------------- *
866	* - WINDOW RESIZING - *	921	* - WINDOW RESIZING - *
867	* -------------------------------------------------------------------- */	922	* -------------------------------------------------------------------- */
868	void	923	void
869	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	924	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
870	{	925	{
871	int fix_screen;	926	int fix_screen;
		927	int old_width = szHint.width;
		928	int old_height = szHint.height;
872		929
873	#ifdef SMART_RESIZE
874	int old_width = szHint.width, old_height = szHint.height;
875	#endif
876
877	window_calc (width, height);	930	window_calc (newwidth, newheight);
		931
		932	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		933
		934	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		935	if (set_hint)
		936	{
		937	szHint.flags &= ~(PBaseSize | PResizeInc);
878	XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint);	938	XSetWMNormalHints (dpy, parent[0], &szHint);
		939	szHint.flags |= PBaseSize | PResizeInc;
		940	}
		941
879	if (!ignoreparent)	942	if (!ignoreparent)
880	{	943	{
881	#ifdef SMART_RESIZE	944	#ifdef SMART_RESIZE
882	/*	945	/*
883	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	946	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
886	int x, y, x1, y1;	949	int x, y, x1, y1;
887	int dx, dy;	950	int dx, dy;
888	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	951	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
889	Window unused_cr;	952	Window unused_cr;
890		953
891	XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot,	954	XTranslateCoordinates (dpy, parent[0], display->root,
892	0, 0, &x, &y, &unused_cr);	955	0, 0, &x, &y, &unused_cr);
893	XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1,	956	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
894	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	957	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
895	/*	958	/*
896	* if Xroot isn't the parent window, a WM will probably have offset	959	* if display->root isn't the parent window, a WM will probably have offset
897	* our position for handles and decorations. Counter it	960	* our position for handles and decorations. Counter it
898	*/	961	*/
899	if (x1 != x || y1 != y) {	962	if (x1 != x || y1 != y)
		963	{
900	x -= x1;	964	x -= x1;
901	y -= y1;	965	y -= y1;
902	}	966	}
903		967
904	x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2;	968	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
905	y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2;	969	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
906	dx = old_width - szHint.width;	970	dx = old_width - szHint.width;
907	dy = old_height - szHint.height;	971	dy = old_height - szHint.height;
908		972
909	/* Check position of the center of the window */	973	/* Check position of the center of the window */
910	if (x < x1) /* left half */	974	if (x < x1) /* left half */
911	dx = 0;	975	dx = 0;
912	else if (x == x1) /* exact center */	976	else if (x == x1) /* exact center */
913	dx /= 2;	977	dx /= 2;
914	if (y < y1) /* top half */	978	if (y < y1) /* top half */
915	dy = 0;	979	dy = 0;
916	else if (y == y1) /* exact center */	980	else if (y == y1) /* exact center */
917	dy /= 2;	981	dy /= 2;
918		982
919	XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy,	983	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
920	szHint.width, szHint.height);	984	szHint.width, szHint.height);
921	#else	985	#else
922	XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width,	986	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
923	szHint.height);
924	#endif	987	#endif
925	}	988	}
926		989
927	fix_screen = (TermWin.ncol != prev_ncol	990	if (set_hint)
928	|| TermWin.nrow != prev_nrow);	991	XSetWMNormalHints (dpy, parent[0], &szHint);
929		992
		993	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		994
930	if (fix_screen || width != old_width || height != old_height)	995	if (fix_screen || newwidth != old_width || newheight != old_height)
931	{	996	{
932	if (scrollbar_visible (this))	997	if (scrollBar.state)
933	{	998	scrollBar.resize ();
934	XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x,
935	0, scrollbar_TotalWidth (), szHint.height);
936	resize_scrollbar ();
937	}
938		999
939	if (menubar_visible (this))	1000	XMoveResizeWindow (dpy, vt,
940	XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x,	1001	window_vt_x, window_vt_y,
941	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
942
943	XMoveResizeWindow (Xdisplay, TermWin.vt, window_vt_x,
944	window_vt_y, TermWin_TotalWidth (),
945	TermWin_TotalHeight ());	1002	width, height);
946	#ifdef RXVT_GRAPHICS	1003
947	if (old_height)	1004	#ifdef HAVE_BG_PIXMAP
948	rxvt_Gr_Resize (this, old_width - szHint.base_width,	1005	if (bgPixmap.window_size_sensitive ())
949	old_height - szHint.base_height);	1006	update_background ();
950	#endif
951	scr_clear ();
952	#ifdef XPM_BACKGROUND
953	rxvt_resize_pixmap (this);
954	#endif	1007	#endif
955	}	1008	}
956		1009
957	if (fix_screen || old_height == 0)	1010	if (fix_screen || old_height == 0)
958	{
959	int curr_screen = -1;
960	uint16_t old_ncol = prev_ncol;
961
962	/* scr_reset only works on the primary screen */
963	if (old_height) /* this is not the first time through */
964	curr_screen = rxvt_scr_change_screen (this, PRIMARY);
965
966	scr_reset();	1011	scr_reset ();
967		1012
968	if (curr_screen >= 0) /* this is not the first time through */	1013	#ifdef HAVE_BG_PIXMAP
969	{	1014	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
970	rxvt_scr_change_screen (this, curr_screen);	1015	// if (bgPixmap.pixmap)
971	rxvt_selection_check (this, old_ncol != TermWin.ncol ? 4 : 0);	1016	// scr_touch (false);
972	}	1017	#endif
973	}
974
975	old_width = szHint.width;
976	old_height = szHint.height;
977		1018
978	#ifdef USE_XIM	1019	#ifdef USE_XIM
979	rxvt_IMSetStatusPosition (this);	1020	IMSetPosition ();
980	#endif	1021	#endif
981	}	1022	}
982		1023
983	/*	1024	/*
984	* Set the width/height of the vt window in characters. Units are pixels.	1025	* Set the width/height of the vt window in characters. Units are pixels.
985	* good for toggling 80/132 columns	1026	* good for toggling 80/132 columns
986	*/	1027	*/
987	/* EXTPROTO */
988	void	1028	void
989	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1029	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
990	{	1030	{
991	XWindowAttributes wattr;	1031	XWindowAttributes wattr;
992		1032
993	if (width == 0 || height == 0) {	1033	if (newwidth == 0 || newheight == 0)
		1034	{
994	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1035	XGetWindowAttributes (dpy, display->root, &wattr);
		1036
995	if (width == 0)	1037	if (newwidth == 0)
996	width = wattr.width - R->szHint.base_width;	1038	newwidth = wattr.width - szHint.base_width;
997	if (height == 0)	1039	if (newheight == 0)
998	height = wattr.height - R->szHint.base_height;	1040	newheight = wattr.height - szHint.base_height;
		1041	}
		1042
		1043	if (newwidth != width || newheight != height)
999	}	1044	{
1000	if (width != R->TermWin.width || height != R->TermWin.height) {
1001	width += R->szHint.base_width;	1045	newwidth += szHint.base_width;
1002	height += R->szHint.base_height;	1046	newheight += szHint.base_height;
1003	R->resize_all_windows (width, height, 0);	1047	resize_all_windows (newwidth, newheight, 0);
1004	}	1048	}
1005	}	1049	}
1006		1050
1007	/* -------------------------------------------------------------------- *	1051	/* -------------------------------------------------------------------- *
1008	* - X INPUT METHOD ROUTINES - *	1052	* - X INPUT METHOD ROUTINES - *
1009	* -------------------------------------------------------------------- */	1053	* -------------------------------------------------------------------- */
1010	#ifdef USE_XIM	1054	#ifdef USE_XIM
1011	void
1012	rxvt_term::set_size (XRectangle *size)
1013	{
1014	size->x = TermWin.int_bwidth;
1015	size->y = TermWin.int_bwidth;
1016	size->width = Width2Pixel(TermWin.ncol);
1017	size->height = Height2Pixel(TermWin.nrow);
1018	}
1019		1055
1020	void	1056	void
1021	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1057	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1022	{	1058	{
1023	*fg = PixColors[Color_fg];	1059	fg = pix_colors [Color_fg];
1024	*bg = PixColors[Color_bg];	1060	bg = pix_colors [Color_bg];
		1061	}
		1062
		1063	void
		1064	rxvt_term::im_set_size (XRectangle &size)
		1065	{
		1066	// the int_bwidth terms make no sense to me
		1067	size.x = int_bwidth;
		1068	size.y = int_bwidth;
		1069	size.width = Width2Pixel (ncol) + int_bwidth;
		1070	size.height = Height2Pixel (nrow) + int_bwidth;
		1071	}
		1072
		1073	void
		1074	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1075	XRectangle &status_rect,
		1076	const XRectangle &needed_rect)
		1077	{
		1078	preedit_rect.x = needed_rect.width;
		1079	preedit_rect.y = 0;
		1080	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1081	preedit_rect.height = fheight;
		1082
		1083	status_rect.x = 0;
		1084	status_rect.y = 0;
		1085	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1086	status_rect.height = fheight;
1025	}	1087	}
1026		1088
1027	/* Checking whether input method is running. */	1089	/* Checking whether input method is running. */
1028	/* INTPROTO */
1029	Bool	1090	bool
1030	rxvt_IMisRunning(pR)	1091	rxvt_term::IMisRunning ()
1031	{	1092	{
1032	char *p;	1093	Atom atom;
1033	Atom atom;	1094	Window win;
1034	Window win;
1035	char server[IMBUFSIZ];	1095	char server[IMBUFSIZ];
1036		1096
1037	/* get current locale modifier */	1097	/* get current locale modifier */
1038	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1098	if (char *p = XSetLocaleModifiers (0))
		1099	{
1039	STRCPY(server, "@server=");	1100	strcpy (server, "@server=");
1040	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1101	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1102
1041	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1103	if (p = strchr (server + 1, '@')) /* first one only */
1042	*p = '\0';	1104	*p = '\0';
1043		1105
1044	atom = XInternAtom(R->Xdisplay, server, False);	1106	atom = XInternAtom (dpy, server, False);
1045	win = XGetSelectionOwner(R->Xdisplay, atom);	1107	win = XGetSelectionOwner (dpy, atom);
		1108
1046	if (win != None)	1109	if (win != None)
1047	return True;	1110	return True;
1048	}	1111	}
		1112
1049	return False;	1113	return False;
1050	}	1114	}
1051		1115
1052	/* EXTPROTO */
1053	void	1116	void
1054	rxvt_IMSendSpot(pR)	1117	rxvt_term::IMSendSpot ()
1055	{	1118	{
1056	XPoint spot;	1119	XPoint nspot;
1057	XVaNestedList preedit_attr;	1120	XVaNestedList preedit_attr;
1058		1121
1059	if (R->Input_Context == NULL	1122	if (!Input_Context
1060	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1123	|| !focus
1061	|| !(R->event_type == KeyPress	1124	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1062	|| R->event_type == Expose
1063	|| R->event_type == NoExpose
1064	|| R->event_type == SelectionNotify
1065	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1066	|| !rxvt_IMisRunning(aR))
1067	return;	1125	return;
1068		1126
1069	R->set_position (&spot);	1127	im_set_position (nspot);
1070		1128
		1129	if (nspot.x == spot.x && nspot.y == spot.y)
		1130	return;
		1131
		1132	spot = nspot;
		1133
1071	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1134	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1072	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1135	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1073	XFree(preedit_attr);	1136	XFree (preedit_attr);
1074	}	1137	}
1075		1138
1076	void	1139	void
1077	rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,	1140	rxvt_term::im_destroy ()
1078	XRectangle * needed_rect)
1079	{	1141	{
1080	int mbh, vtx = 0;	1142	if (input_method)
		1143	{
		1144	if (Input_Context && input_method->xim)
		1145	XDestroyIC (Input_Context);
1081		1146
1082	if (scrollbar_visible (this) && !(Options & Opt_scrollBar_right))	1147	display->put_xim (input_method);
1083	vtx = scrollbar_TotalWidth();	1148	input_method = 0;
		1149	}
1084		1150
1085	mbh = menubar_visible (this) ? menuBar_TotalHeight() : 0;
1086	mbh -= TermWin.lineSpace;
1087
1088	preedit_rect->x = needed_rect->width + vtx;
1089	preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1090
1091	preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1092	preedit_rect->height = Height2Pixel(1);
1093
1094	status_rect->x = vtx;
1095	status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1096
1097	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1098	status_rect->height = Height2Pixel(1);
1099	}
1100
1101	/* ARGSUSED */
1102	/* INTPROTO */
1103	void
1104	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1105	__attribute__ ((unused)), XPointer call_data
1106	__attribute__ ((unused)))
1107	{
1108	dR;
1109
1110	R->Input_Context = NULL;	1151	Input_Context = 0;
1111	/* To avoid Segmentation Fault in C locale: Solaris only? */
1112	if (STRCMP(R->locale, "C"))
1113	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1114	rxvt_IMInstantiateCallback, NULL);
1115	}	1152	}
		1153
		1154	#ifdef ENABLE_XIM_ONTHESPOT
		1155
		1156	static void
		1157	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1158	{
		1159	((rxvt_term *)client_data)->make_current ();
		1160	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1161	}
		1162
		1163	static void
		1164	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1165	{
		1166	((rxvt_term *)client_data)->make_current ();
		1167	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1168	}
		1169
		1170	static void
		1171	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1172	{
		1173	rxvt_term *term = (rxvt_term *)client_data;
		1174	XIMText *text = call_data->text;
		1175
		1176	term->make_current ();
		1177
		1178	if (text)
		1179	{
		1180	wchar_t *str;
		1181
		1182	if (!text->encoding_is_wchar && text->string.multi_byte)
		1183	{
		1184	// of course, X makes it ugly again
		1185	if (term->rs[Rs_imLocale])
		1186	SET_LOCALE (term->rs[Rs_imLocale]);
		1187
		1188	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1189	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1190
		1191	if (term->rs[Rs_imLocale])
		1192	SET_LOCALE (term->locale);
		1193	}
		1194	else
		1195	str = text->string.wide_char;
		1196
		1197	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1198	DT_INT, call_data->caret,
		1199	DT_INT, call_data->chg_first,
		1200	DT_INT, call_data->chg_length,
		1201	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1202	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1203	DT_END));
		1204	}
		1205	else
		1206	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1207	DT_INT, call_data->caret,
		1208	DT_INT, call_data->chg_first,
		1209	DT_INT, call_data->chg_length,
		1210	DT_END));
		1211	}
		1212
		1213	#if 0
		1214	static void
		1215	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1216	{
		1217	((rxvt_term *)client_data)->make_current ();
		1218	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1219	DT_INT, call_data->position,
		1220	DT_INT, call_data->direction,
		1221	DT_INT, call_data->style,
		1222	DT_END));
		1223	}
		1224	#endif
		1225
		1226	#endif
1116		1227
1117	/*	1228	/*
1118	* Try to open a XIM with the current modifiers, then see if we can	1229	* Try to open a XIM with the current modifiers, then see if we can
1119	* open a suitable preedit type	1230	* open a suitable preedit type
1120	*/	1231	*/
1121	static Bool	1232	bool
1122	rxvt_IM_get_IC (pR)	1233	rxvt_term::IM_get_IC (const char *modifiers)
1123	{	1234	{
1124	int i, j, found;	1235	int i, j, found;
1125	XIM xim;	1236	XIM xim;
1126	XPoint spot;	1237	XPoint spot;
1127	XRectangle rect, status_rect, needed_rect;	1238	XRectangle rect, status_rect, needed_rect;
1128	unsigned long fg, bg;	1239	unsigned long fg, bg;
1129	const char *p;	1240	const char *p;
1130	char **s;	1241	char **s;
1131	XIMStyles *xim_styles;	1242	XIMStyles *xim_styles;
1132	XVaNestedList preedit_attr, status_attr;	1243	#ifdef ENABLE_XIM_ONTHESPOT
1133	XIMCallback ximcallback;	1244	XIMCallback xcb[4];
		1245	#endif
1134		1246
1135	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1247	set_environ (envv);
1136	xim = XOpenIM (R->Xdisplay, NULL, NULL, NULL);	1248
1137	if (xim == NULL)	1249	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1138	return False;	1250	return false;
1139		1251
		1252	input_method = display->get_xim (locale, modifiers);
		1253	if (input_method == NULL)
		1254	return false;
		1255
		1256	xim = input_method->xim;
		1257	spot.x = spot.y = -1;
		1258
1140	xim_styles = NULL;	1259	xim_styles = NULL;
1141	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1260	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1142	|| !xim_styles || !xim_styles->count_styles) {	1261	|| !xim_styles || !xim_styles->count_styles)
1143	XCloseIM(xim);	1262	{
		1263	im_destroy ();
1144	return False;	1264	return false;
		1265	}
		1266
		1267	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1268
		1269	for (int pi = 0; pi < 2; pi++)
1145	}	1270	{
		1271	p = pet[pi];
1146		1272
1147	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1273	if (!p)
1148	: "OverTheSpot,OffTheSpot,Root";	1274	continue;
		1275
1149	s = rxvt_splitcommastring(p);	1276	s = rxvt_splitcommastring (p);
		1277
1150	for (i = found = 0; !found && s[i]; i++) {	1278	for (i = found = 0; !found && s[i]; i++)
		1279	{
1151	if (!STRCMP(s[i], "OverTheSpot"))	1280	if (!strcmp (s[i], "OverTheSpot"))
1152	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1281	input_style = XIMPreeditPosition | XIMStatusNothing;
1153	else if (!STRCMP(s[i], "OffTheSpot"))	1282	else if (!strcmp (s[i], "OffTheSpot"))
1154	R->input_style = (XIMPreeditArea | XIMStatusArea);	1283	input_style = XIMPreeditArea | XIMStatusArea;
1155	else if (!STRCMP(s[i], "Root"))	1284	else if (!strcmp (s[i], "Root"))
1156	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1285	input_style = XIMPreeditNothing | XIMStatusNothing;
		1286	else if (!strcmp (s[i], "None"))
		1287	input_style = XIMPreeditNone | XIMStatusNone;
		1288	#ifdef ENABLE_XIM_ONTHESPOT
		1289	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1290	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1291	#endif
		1292	else
		1293	input_style = XIMPreeditNothing | XIMStatusNothing;
1157		1294
1158	for (j = 0; j < xim_styles->count_styles; j++)	1295	for (j = 0; j < xim_styles->count_styles; j++)
1159	if (R->input_style == xim_styles->supported_styles[j]) {	1296	if (input_style == xim_styles->supported_styles[j])
		1297	{
		1298	rxvt_freecommastring (s);
		1299
1160	found = 1;	1300	found = 1;
1161	break;	1301	goto foundpet;
1162	}	1302	}
		1303
		1304	}
		1305
		1306	rxvt_freecommastring (s);
1163	}	1307	}
1164	for (i = 0; s[i]; i++)	1308
1165	free(s[i]);	1309	foundpet:
1166	free(s);	1310
1167	XFree(xim_styles);	1311	XFree (xim_styles);
1168		1312
1169	if (!found) {	1313	if (!found)
1170	XCloseIM(xim);	1314	{
		1315	im_destroy ();
1171	return False;	1316	return false;
		1317	}
		1318
		1319	XFontSet fs = 0;
		1320	XVaNestedList preedit_attr = 0, status_attr = 0;
		1321
		1322	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1172	}	1323	{
		1324	// fake us a font-set, please
		1325	char **missing_charset_list;
		1326	int missing_charset_count;
		1327	char *def_string;
		1328	char pat[512];
1173		1329
1174	ximcallback.callback = rxvt_IMDestroyCallback;	1330	sprintf (pat,
		1331	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1332	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1333	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1334	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1335	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1336	"*",
		1337	fheight,
		1338	fheight + 1, fheight - 1,
		1339	fheight - 2, fheight + 2);
1175		1340
1176	/* XXX: not sure why we need this (as well as IC one below) */	1341	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1177	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1342	&missing_charset_list, &missing_charset_count, &def_string);
1178		1343
1179	preedit_attr = status_attr = NULL;	1344	if (missing_charset_list)
		1345	XFreeStringList (missing_charset_list);
1180		1346
		1347	if (!fs)
		1348	{
		1349	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1350	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1351	}
		1352	}
		1353
1181	if (R->input_style & XIMPreeditPosition) {	1354	if (input_style & XIMPreeditPosition)
		1355	{
1182	R->set_size (&rect);	1356	im_set_size (rect);
1183	R->set_position (&spot);	1357	im_set_position (spot);
1184	R->set_color (&fg, &bg);	1358	im_set_color (fg, bg);
1185		1359
1186	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1360	preedit_attr = XVaCreateNestedList (0,
		1361	XNForeground, fg,
		1362	XNBackground, bg,
		1363	XNArea, &rect,
1187	XNSpotLocation, &spot,	1364	XNSpotLocation, &spot,
1188	XNForeground, fg, XNBackground, bg,
1189	//XNFontSet, R->TermWin.fontset,	1365	XNFontSet, fs,
1190	NULL);
1191	} else if (R->input_style & XIMPreeditArea) {
1192	R->set_color (&fg, &bg);
1193
1194	/*
1195	* The necessary width of preedit area is unknown
1196	* until create input context.
1197	*/
1198	needed_rect.width = 0;
1199
1200	R->set_preedit_area(&rect, &status_rect, &needed_rect);
1201
1202	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1203	XNForeground, fg, XNBackground, bg,
1204	//XNFontSet, R->TermWin.fontset,
1205	NULL);
1206	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1207	XNForeground, fg, XNBackground, bg,
1208	//XNFontSet, R->TermWin.fontset,
1209	NULL);	1366	NULL);
1210	}	1367	}
1211	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,	1368	else if (input_style & XIMPreeditArea)
		1369	{
		1370	im_set_color (fg, bg);
		1371
		1372	/*
		1373	* The necessary width of preedit area is unknown
		1374	* until create input context.
		1375	*/
		1376	needed_rect.width = 0;
		1377	im_set_preedit_area (rect, status_rect, needed_rect);
		1378
		1379	preedit_attr = XVaCreateNestedList (0,
		1380	XNForeground, fg,
		1381	XNBackground, bg,
		1382	XNArea, &rect,
		1383	XNFontSet, fs,
		1384	NULL);
		1385	status_attr = XVaCreateNestedList (0,
		1386	XNForeground, fg,
		1387	XNBackground, bg,
		1388	XNArea, &status_rect,
		1389	XNFontSet, fs,
		1390	NULL);
		1391	}
		1392	#if ENABLE_XIM_ONTHESPOT
		1393	else if (input_style & XIMPreeditCallbacks)
		1394	{
		1395	im_set_position (spot);
		1396
		1397	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1398	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1399	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1400	# if 0
		1401	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1402	# endif
		1403
		1404	preedit_attr = XVaCreateNestedList (0,
		1405	XNSpotLocation, &spot,
		1406	XNPreeditStartCallback, &xcb[0],
		1407	XNPreeditDoneCallback , &xcb[1],
		1408	XNPreeditDrawCallback , &xcb[2],
		1409	# if 0
		1410	XNPreeditCaretCallback, &xcb[3],
		1411	# endif
		1412	NULL);
		1413	}
		1414	#endif
		1415
		1416	Input_Context = XCreateIC (xim,
		1417	XNInputStyle, input_style,
1212	XNClientWindow, R->TermWin.parent[0],	1418	XNClientWindow, vt,
1213	XNFocusWindow, R->TermWin.parent[0],	1419	XNFocusWindow, parent[0],
1214	XNDestroyCallback, &ximcallback,
1215	preedit_attr ? XNPreeditAttributes : NULL,	1420	preedit_attr ? XNPreeditAttributes : NULL,
1216	preedit_attr,	1421	preedit_attr,
1217	status_attr ? XNStatusAttributes : NULL,	1422	status_attr ? XNStatusAttributes : NULL,
1218	status_attr, NULL);	1423	status_attr, NULL);
1219	if (preedit_attr)	1424
1220	XFree(preedit_attr);	1425	if (preedit_attr) XFree (preedit_attr);
1221	if (status_attr)	1426	if (status_attr) XFree (status_attr);
1222	XFree(status_attr);	1427	if (fs) XFreeFontSet (dpy, fs);
		1428
1223	if (R->Input_Context == NULL) {	1429	if (Input_Context == NULL)
1224	rxvt_print_error("failed to create input context");	1430	{
1225	XCloseIM(xim);	1431	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1432	im_destroy ();
1226	return False;	1433	return false;
1227	}	1434	}
1228	if (R->input_style & XIMPreeditArea)	1435
1229	rxvt_IMSetStatusPosition(aR);	1436	#if 0
1230	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1437	// unfortunately, only the focus window is used by XIM, hard to fix
		1438	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1439	vt_select_input ();
		1440	#endif
		1441
		1442	IMSetPosition ();
		1443
1231	return True;	1444	return true;
1232	}	1445	}
1233		1446
1234	/*
1235	* X manual pages and include files don't match on some systems:
1236	* some think this is an XIDProc and others an XIMProc so we can't
1237	* use the first argument - need to update this to be nice for
1238	* both types via some sort of configure detection
1239	*/
1240	/* ARGSUSED */
1241	/* EXTPROTO */
1242	void	1447	void
1243	rxvt_IMInstantiateCallback(Display * unused	1448	rxvt_term::im_cb ()
1244	__attribute__ ((unused)), XPointer client_data
1245	__attribute__ ((unused)), XPointer call_data
1246	__attribute__ ((unused)))
1247	{	1449	{
1248	dR;	1450	int i;
1249	int i, found, had_im;
1250	const char *p;	1451	const char *p;
1251	char **s;	1452	char **s;
1252	char buf[IMBUFSIZ];	1453	char buf[IMBUFSIZ];
1253		1454
1254	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1455	make_current ();
		1456
		1457	im_destroy ();
		1458
1255	if (R->Input_Context)	1459	if (Input_Context)
1256	return;	1460	return;
1257		1461
1258	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1462	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1259	if (R->rs[Rs_imLocale])	1463	if (rs[Rs_imLocale])
1260	setlocale (LC_CTYPE, R->rs[Rs_imLocale]);	1464	SET_LOCALE (rs[Rs_imLocale]);
1261	#endif	1465	#endif
1262		1466
1263	p = R->rs[Rs_inputMethod];	1467	p = rs[Rs_inputMethod];
1264	if (p && *p)	1468	if (p && *p)
1265	{	1469	{
1266	bool found = false;	1470	bool found = false;
1267		1471
1268	s = rxvt_splitcommastring (p);	1472	s = rxvt_splitcommastring (p);
		1473
1269	for (i = 0; s[i]; i++)	1474	for (i = 0; s[i]; i++)
1270	{	1475	{
1271	if (*s[i])	1476	if (*s[i])
1272	{	1477	{
1273	STRCPY (buf, "@im=");	1478	strcpy (buf, "@im=");
1274	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1479	strncat (buf, s[i], IMBUFSIZ - 5);
1275	if ((p = XSetLocaleModifiers (buf)) && *p	1480	if (IM_get_IC (buf))
1276	&& rxvt_IM_get_IC (aR))
1277	{	1481	{
1278	found = true;	1482	found = true;
1279	break;	1483	break;
1280	}	1484	}
1281	}	1485	}
1282	}	1486	}
1283	for (i = 0; s[i]; i++)	1487
1284	free(s[i]);	1488	rxvt_freecommastring (s);
1285	free(s);
1286		1489
1287	if (found)	1490	if (found)
1288	goto done;	1491	goto done;
1289	}	1492	}
1290		1493
1291	/* try with XMODIFIERS env. var. */	1494	/* try with XMODIFIERS env. var. */
1292	if ((p = XSetLocaleModifiers ("")) && *p	1495	if (IM_get_IC (""))
1293	&& rxvt_IM_get_IC (aR))
1294	goto done;	1496	goto done;
1295		1497
1296	/* try with no modifiers base IF the user didn't specify an IM */	1498	/* try with no modifiers base IF the user didn't specify an IM */
1297	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1499	if (IM_get_IC ("@im=none"))
1298	&& rxvt_IM_get_IC (aR) == True)
1299	goto done;	1500	goto done;
1300		1501
1301	done:	1502	done:
1302	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1503	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1303	if (R->rs[Rs_imLocale])	1504	if (rs[Rs_imLocale])
1304	setlocale (LC_CTYPE, R->locale);	1505	SET_LOCALE (locale);
1305	#endif	1506	#endif
1306	}	1507	}
1307		1508
1308	/* EXTPROTO */
1309	void	1509	void
1310	rxvt_IMSetStatusPosition(pR)	1510	rxvt_term::IMSetPosition ()
1311	{	1511	{
1312	XRectangle preedit_rect, status_rect, *needed_rect;	1512	XRectangle preedit_rect, status_rect, *needed_rect;
1313	XVaNestedList preedit_attr, status_attr;	1513	XVaNestedList preedit_attr, status_attr;
1314		1514
1315	if (R->Input_Context == NULL	1515	if (!Input_Context
1316	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1516	|| !focus
		1517	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1317	|| !rxvt_IMisRunning(aR))	1518	|| !IMisRunning ())
1318	return;	1519	return;
1319		1520
		1521	if (input_style & XIMPreeditPosition)
		1522	{
		1523	im_set_size (preedit_rect);
		1524	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1525
		1526	XSetICValues (Input_Context,
		1527	XNPreeditAttributes, preedit_attr, NULL);
		1528	}
		1529	else
		1530	{
1320	/* Getting the necessary width of preedit area */	1531	/* Getting the necessary width of preedit area */
1321	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1532	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1322	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1533	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1323	XFree(status_attr);	1534	XFree (status_attr);
1324		1535
1325	R->set_preedit_area(&preedit_rect, &status_rect, needed_rect);	1536	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1537	XFree (needed_rect);
1326		1538
1327	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1539	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1328	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1540	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1329		1541
1330	XSetICValues(R->Input_Context,	1542	XSetICValues (Input_Context,
1331	XNPreeditAttributes, preedit_attr,	1543	XNPreeditAttributes, preedit_attr,
1332	XNStatusAttributes, status_attr, NULL);	1544	XNStatusAttributes, status_attr,
		1545	NULL);
1333		1546
		1547	XFree (status_attr);
		1548	}
		1549
1334	XFree(preedit_attr);	1550	XFree (preedit_attr);
1335	XFree(status_attr);
1336	}	1551	}
1337	#endif /* USE_XIM */	1552	#endif /* USE_XIM */
1338		1553
1339	/*----------------------------------------------------------------------*/	1554	void
1340	rxvt_t rxvt_current_term;	1555	rxvt_term::get_window_origin (int &x, int &y)
		1556	{
		1557	Window cr;
		1558	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1559	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1560	}
		1561
		1562	Pixmap
		1563	rxvt_term::get_pixmap_property (int prop_id)
		1564	{
		1565	if (prop_id > 0 && prop_id < NUM_XA)
		1566	if (xa[prop_id])
		1567	{
		1568	int aformat;
		1569	unsigned long nitems, bytes_after;
		1570	Atom atype;
		1571	unsigned char *prop = NULL;
		1572	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1573	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1574	&nitems, &bytes_after, &prop);
		1575	if (result == Success && prop && atype == XA_PIXMAP)
		1576	return *(Pixmap *)prop;
		1577	}
		1578
		1579	return None;
		1580	}
		1581
		1582	#ifdef HAVE_BG_PIXMAP
		1583	# if TRACE_PIXMAPS
		1584	# undef update_background
		1585	void
		1586	rxvt_term::trace_update_background (const char *file, int line)
		1587	{
		1588	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1589	update_background ();
		1590	}
		1591	# endif
		1592
		1593	void
		1594	rxvt_term::update_background ()
		1595	{
		1596	if (update_background_ev.is_active ())
		1597	return;
		1598
		1599	bgPixmap.invalidate ();
		1600
		1601	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1602
		1603	if (to_wait <= 0.)
		1604	bgPixmap.render ();
		1605	else
		1606	update_background_ev.start (to_wait);
		1607	}
		1608
		1609	void
		1610	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1611	{
		1612	make_current ();
		1613
		1614	update_background_ev.stop ();
		1615	bgPixmap.render ();
		1616	refresh_check ();
		1617	}
		1618
		1619	#endif /* HAVE_BG_PIXMAP */
1341		1620
1342	/*----------------------- end-of-file (C source) -----------------------*/	1621	/*----------------------- end-of-file (C source) -----------------------*/

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