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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.8 by pcg, Thu Nov 27 10:12:10 2003 UTC vs.
Revision 1.292 by root, Mon Dec 24 10:58:09 2007 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.8 2003/11/27 10:12:10 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2007 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	destroy_ev (this, &rxvt_term::destroy_cb)	187	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
72	{	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
73	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;
74	}	216	}
75		217
76	rxvt_term::~rxvt_term ()	218	rxvt_term::~rxvt_term ()
77	{	219	{
78	rxvt_scr_release (this);	220	termlist.erase (find (termlist.begin (), termlist.end(), this));
79		221
80	#ifndef NO_SETOWNER_TTYDEV	222	emergency_cleanup ();
81	rxvt_privileged_ttydev (this, RESTORE);	223
		224	#if ENABLE_STYLES
		225	for (int i = RS_styleCount; --i; )
		226	if (fontset[i] != fontset[0])
		227	delete fontset[i];
82	#endif	228	#endif
83	#ifdef UTMP_SUPPORT	229	delete fontset[0];
84	rxvt_privileged_utmp (this, RESTORE);	230
85	#endif	231	if (display)
		232	{
		233	selection_clear ();
		234
86	#ifdef USE_XIM	235	#ifdef USE_XIM
87	if (Input_Context != NULL)	236	im_destroy ();
		237	#endif
		238	#ifdef XTERM_SCROLLBAR
		239	if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
		240	if (ShadowGC) XFreeGC (dpy, ShadowGC);
		241	#endif
		242	#ifdef PLAIN_SCROLLBAR
		243	if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
		244	#endif
		245	#ifdef NEXT_SCROLLBAR
		246	if (blackGC) XFreeGC (dpy, blackGC);
		247	if (whiteGC) XFreeGC (dpy, whiteGC);
		248	if (grayGC) XFreeGC (dpy, grayGC);
		249	if (darkGC) XFreeGC (dpy, darkGC);
		250	if (stippleGC) XFreeGC (dpy, stippleGC);
		251	if (dimple) XFreePixmap (dpy, dimple);
		252	if (upArrow) XFreePixmap (dpy, upArrow);
		253	if (downArrow) XFreePixmap (dpy, downArrow);
		254	if (upArrowHi) XFreePixmap (dpy, upArrowHi);
		255	if (downArrowHi) XFreePixmap (dpy, downArrowHi);
		256	#endif
		257	#ifdef RXVT_SCROLLBAR
		258	if (topShadowGC) XFreeGC (dpy, topShadowGC);
		259	if (botShadowGC) XFreeGC (dpy, botShadowGC);
		260	if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
		261	#endif
		262	if (gc) XFreeGC (dpy, gc);
		263
		264	delete drawable;
		265	// destroy all windows
		266	if (parent[0])
		267	XDestroyWindow (dpy, parent[0]);
		268
		269	for (int i = 0; i < TOTAL_COLORS; i++)
		270	if (ISSET_PIXCOLOR (i))
		271	{
		272	pix_colors_focused [i].free (this);
		273	#if OFF_FOCUS_FADING
		274	pix_colors_unfocused [i].free (this);
		275	#endif
		276	}
		277
		278	clear ();
88	{	279	}
89	XDestroyIC (Input_Context);
90	Input_Context = NULL;
91	}
92	#endif
93		280
94	if (cmd_fd >= 0)	281	delete [] pix_colors_focused;
95	close (cmd_fd);	282	#if OFF_FOCUS_FADING
		283	delete [] pix_colors_unfocused;
		284	#endif
96		285
97	if (Xfd >= 0)	286	#ifdef HAVE_BG_PIXMAP
98	XCloseDisplay (Xdisplay);	287	bgPixmap.destroy ();
		288	#endif
		289	display->flush (); /* ideally .put should do this */
		290	displays.put (display);
99		291
100	delete PixColors;	292	scr_release ();
		293
		294	/* clear all resources */
		295	for (int i = 0; i < allocated.size (); i++)
		296	free (allocated [i]);
		297
		298	free (selection.text);
		299	// TODO: manage env vars in child only(!)
		300	free (env_display);
		301	free (env_term);
		302	free (locale);
		303	free (v_buffer);
		304	free (incr_buf);
		305
		306	delete envv;
		307	delete argv;
		308
		309	#ifdef KEYSYM_RESOURCE
		310	delete keyboard;
		311	#endif
		312	#ifndef NO_RESOURCES
		313	XrmDestroyDatabase (option_db);
		314	#endif
		315	}
		316
		317	// child has exited, usually destroys
		318	void
		319	rxvt_term::child_cb (ev::child &w, int status)
		320	{
		321	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		322
		323	cmd_pid = 0;
		324
		325	if (!option (Opt_hold))
		326	destroy ();
101	}	327	}
102		328
103	void	329	void
104	rxvt_term::destroy ()	330	rxvt_term::destroy ()
105	{	331	{
		332	if (destroy_ev.is_active ())
		333	return;
		334
		335	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		336
		337	#if ENABLE_OVERLAY
		338	scr_overlay_off ();
		339	#endif
		340
		341	if (display)
		342	{
		343	#if USE_XIM
		344	im_ev.stop (display);
		345	#endif
		346	#if HAVE_SCROLLBARS
		347	scrollbar_ev.stop (display);
		348	#endif
		349	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		350	rootwin_ev.stop (display);
		351	#endif
		352	incr_ev.stop ();
		353	termwin_ev.stop (display);
		354	vt_ev.stop (display);
		355	}
		356
		357	flush_ev.stop ();
106	pty_ev.stop ();	358	pty_ev.stop ();
107	x_ev.stop ();
108	#ifdef CURSOR_BLINK	359	#ifdef CURSOR_BLINK
		360	cursor_blink_ev.stop ();
		361	#endif
		362	#ifdef TEXT_BLINK
109	blink_ev.stop ();	363	text_blink_ev.stop ();
		364	#endif
		365	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		366	cont_scroll_ev.stop ();
		367	#endif
		368	#ifdef SELECTION_SCROLLING
		369	sel_scroll_ev.stop ();
110	#endif	370	#endif
111	#ifdef POINTER_BLANK	371	#ifdef POINTER_BLANK
112	pointer_ev.stop ();	372	pointer_ev.stop ();
113	#endif	373	#endif
114		374
115	destroy_ev.start (0);	375	destroy_ev.start ();
116	}	376	}
117		377
118	void	378	void
119	rxvt_term::destroy_cb (time_watcher &w)	379	rxvt_term::destroy_cb (ev::idle &w, int revents)
120	{	380	{
121	SET_R (this);	381	make_current ();
122		382
123	delete this;	383	delete this;
124	}
125
126	/*----------------------------------------------------------------------*/
127	/* rxvt_init() */
128	/* LIBPROTO */
129	rxvt_t
130	rxvt_init(int argc, const char *const *argv)
131	{
132	SET_R(new rxvt_term);
133	dR;
134
135	if (!R->init_vars () || !R->init (argc, argv))
136	{
137	delete R;
138	return NULL;
139	}
140
141	return R;
142	}
143
144	/* EXTPROTO */
145	void
146	rxvt_init_signals ()
147	{
148	/* install exit handler for cleanup */
149	#if 0
150	#ifdef HAVE_ATEXIT
151	atexit(rxvt_clean_exit);
152	#else
153	# ifdef HAVE_ON_EXIT
154	on_exit(rxvt_clean_exit, NULL); /* non-ANSI exit handler */
155	# endif
156	#endif
157	#endif
158
159	struct sigaction sa;
160
161	sigfillset (&sa.sa_mask);
162	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
163	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGHUP , &sa, 0); //TODO, also: SIGPIPE
164	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
165	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
166	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
167	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
168
169	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
170	/* signal (SIGURG, SIG_DFL); */
171
172	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
173	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
174	}
175
176	bool
177	rxvt_term::init (int argc, const char *const *argv)
178	{
179	dR;//TODO (scrollbar, setidle)
180
181	/*
182	* Save and then give up any super-user privileges
183	* If we need privileges in any area then we must specifically request it.
184	* We should only need to be root in these cases:
185	* 1. write utmp entries on some systems
186	* 2. chown tty on some systems
187	*/
188	rxvt_privileges (this, SAVE);
189	rxvt_privileges (this, IGNORE);
190
191	rxvt_init_secondary (this);
192
193	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
194
195	#if (MENUBAR_MAX)
196	rxvt_menubar_read (this, rs[Rs_menu]);
197	#endif
198	#ifdef HAVE_SCROLLBARS
199	if (Options & Opt_scrollBar)
200	scrollbar_setIdle (); /* set existence for size calculations */
201	#endif
202
203	rxvt_Create_Windows (this, argc, argv);
204
205	rxvt_init_xlocale (this);
206
207	rxvt_scr_reset (this); /* initialize screen */
208	#ifdef RXVT_GRAPHICS
209	rxvt_Gr_reset (this); /* reset graphics */
210	#endif
211
212	#if 0
213	#ifdef DEBUG_X
214	XSynchronize(Xdisplay, True);
215	#endif
216	#endif
217
218	#ifdef HAVE_SCROLLBARS
219	if (Options & Opt_scrollBar)
220	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
221	#endif
222	#if (MENUBAR_MAX)
223	if (menubar_visible(r))
224	XMapWindow (Xdisplay, menuBar.win);
225	#endif
226	#ifdef TRANSPARENT
227	if (Options & Opt_transparent)
228	{
229	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
230	rxvt_check_our_parents (this);
231	}
232	#endif
233	XMapWindow (Xdisplay, TermWin.vt);
234	XMapWindow (Xdisplay, TermWin.parent[0]);
235
236	rxvt_init_env (this);
237	rxvt_init_command (this, cmd_argv);
238
239	x_ev.start (Xfd, EVENT_READ);
240	pty_ev.start (cmd_fd, EVENT_READ);
241
242	flush ();
243
244	return true;
245	}
246
247	/* ------------------------------------------------------------------------- *
248	* SIGNAL HANDLING & EXIT HANDLER *
249	* ------------------------------------------------------------------------- */
250	/*
251	* Catch a SIGCHLD signal and exit if the direct child has died
252	*/
253	/* ARGSUSED */
254	/* EXTPROTO */
255	RETSIGTYPE
256	rxvt_Child_signal(int sig __attribute__ ((unused)))
257	{
258	int pid, save_errno = errno;
259	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
260	;
261	errno = save_errno;
262
263	#if 0
264	if (pid == R->cmd_pid)
265	exit (EXIT_SUCCESS);
266	#endif
267	}
268
269	/*
270	* Catch a fatal signal and tidy up before quitting
271	*/
272	/* EXTPROTO */
273	RETSIGTYPE
274	rxvt_Exit_signal(int sig)
275	{
276	signal(sig, SIG_DFL);
277	#ifdef DEBUG_CMD
278	rxvt_print_error("signal %d", sig);
279	#endif
280	rxvt_clean_exit();
281	kill(getpid(), sig);
282	}
283
284	/* ARGSUSED */
285	/* INTPROTO */
286	int
287	rxvt_xerror_handler(const Display * display
288	__attribute__ ((unused)), const XErrorEvent * event)
289	{
290	dR;
291
292	if (R->allowedxerror == -1)
293	R->allowedxerror = event->error_code;
294	else
295	{
296	rxvt_print_error("XError: Request: %d . %d, Error: %d",
297	event->request_code, event->minor_code,
298	event->error_code);
299
300	R->destroy ();
301	}
302
303	return 0;
304	}	384	}
305		385
306	/*----------------------------------------------------------------------*/	386	/*----------------------------------------------------------------------*/
307	/*	387	/*
308	* Exit gracefully, clearing the utmp entry and restoring tty attributes	388	* Exit gracefully, clearing the utmp entry and restoring tty attributes
309	* TODO: if debugging, this should free up any known resources if we can	389	* TODO: if debugging, this should free up any known resources if we can
310	*/	390	*/
311	/* EXTPROTO */	391	static XErrorHandler old_xerror_handler;
312	void
313	rxvt_clean_exit ()
314	{
315	dR;
316		392
317	R->destroy ();	393	static void
		394	rxvt_emergency_cleanup ()
		395	{
		396	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		397	(*t)->emergency_cleanup ();
318	}	398	}
319		399
		400	#if !ENABLE_MINIMAL
		401	static void
		402	print_x_error (Display *dpy, XErrorEvent *event)
		403	{
		404	char buffer[BUFSIZ];
		405	char mesg[BUFSIZ];
		406	char number[32];
		407	char *mtype = "XlibMessage";
		408	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		409	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		410	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		411	rxvt_warn ("%s: %s\n", mesg, buffer);
		412	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		413	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		414	sprintf(number, "%d", event->request_code);
		415	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		416	rxvt_warn ("(which is %s)\n", buffer);
		417	if (event->request_code >= 128) {
		418	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		419	mesg, BUFSIZ);
		420	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		421	}
		422	if ((event->error_code == BadWindow) ||
		423	(event->error_code == BadPixmap) ||
		424	(event->error_code == BadCursor) ||
		425	(event->error_code == BadFont) ||
		426	(event->error_code == BadDrawable) ||
		427	(event->error_code == BadColor) ||
		428	(event->error_code == BadGC) ||
		429	(event->error_code == BadIDChoice) ||
		430	(event->error_code == BadValue) ||
		431	(event->error_code == BadAtom)) {
		432	if (event->error_code == BadValue)
		433	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		434	mesg, BUFSIZ);
		435	else if (event->error_code == BadAtom)
		436	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		437	mesg, BUFSIZ);
		438	else
		439	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		440	mesg, BUFSIZ);
		441	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		442	}
		443	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		444	mesg, BUFSIZ);
		445	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		446	}
		447	#endif
		448
		449	int
		450	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		451	{
		452	if (GET_R->allowedxerror == -1)
		453	GET_R->allowedxerror = event->error_code;
		454	else
		455	{
		456	// GET_R is most likely not the terminal which caused the error,
		457	// so just output the error and continue
		458	#if ENABLE_MINIMAL
		459	old_xerror_handler (display, event);
		460	#else
		461	print_x_error (display, event);
		462	#endif
		463	}
		464
		465	return 0;
		466	}
		467
		468	int
		469	rxvt_xioerror_handler (Display *display)
		470	{
		471	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		472	DisplayString (display));
		473	rxvt_emergency_cleanup ();
		474	_exit (EXIT_FAILURE);
		475	}
		476
320	/* ------------------------------------------------------------------------- *	477	/*----------------------------------------------------------------------*/
321	* MEMORY ALLOCATION WRAPPERS *
322	* ------------------------------------------------------------------------- */
323	/* EXTPROTO */
324	void *
325	rxvt_malloc(size_t size)
326	{
327	void *p;
328
329	p = malloc(size);
330	if (p)
331	return p;
332
333	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
334	rxvt_clean_exit();
335	exit(EXIT_FAILURE);
336	/* NOTREACHED */
337	}
338
339	/* EXTPROTO */
340	void *
341	rxvt_calloc(size_t number, size_t size)
342	{
343	void *p;
344
345	p = calloc(number, size);
346	if (p)
347	return p;
348
349	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
350	rxvt_clean_exit();
351	exit(EXIT_FAILURE);
352	/* NOTREACHED */
353	}
354
355	/* EXTPROTO */
356	void *
357	rxvt_realloc(void *ptr, size_t size)
358	{
359	void *p;
360
361	if (ptr)
362	p = realloc(ptr, size);
363	else
364	p = malloc(size);
365	if (p)
366	return p;
367
368	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
369	rxvt_clean_exit();
370	exit(EXIT_FAILURE);
371	/* NOTREACHED */
372	}
373
374	/* ------------------------------------------------------------------------- *
375	* PRIVILEGED OPERATIONS *
376	* ------------------------------------------------------------------------- */
377	/* take care of suid/sgid super-user (root) privileges */
378	/* INTPROTO */
379	void	478	void
380	rxvt_privileges(pR_ int mode)	479	rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
381	{	480	{
382	#if ! defined(__CYGWIN32__)	481	this->envv = envv;
383	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	482
384	/* setreuid() is the poor man's setuid(), seteuid() */	483	SET_R (this);
385	# define seteuid(a) setreuid(-1, (a))	484	set_locale ("");
386	# define setegid(a) setregid(-1, (a))	485	set_environ (envv); // few things in X do not call setlocale :(
387	# define HAVE_SETEUID	486
		487	init_vars ();
		488
		489	init_secondary ();
		490
		491	const char **cmd_argv = init_resources (argc, argv);
		492
		493	#ifdef KEYSYM_RESOURCE
		494	keyboard->register_done ();
388	# endif	495	#endif
389	# ifdef HAVE_SETEUID	496
390	switch (mode) {	497	#ifdef HAVE_SCROLLBARS
391	case IGNORE:	498	if (option (Opt_scrollBar))
392	/*	499	scrollBar.setIdle (); /* set existence for size calculations */
393	* change effective uid/gid - not real uid/gid - so we can switch
394	* back to root later, as required
395	*/
396	seteuid(getuid());
397	setegid(getgid());
398	break;
399	case SAVE:
400	R->euid = geteuid();
401	R->egid = getegid();
402	break;
403	case RESTORE:
404	seteuid(R->euid);
405	setegid(R->egid);
406	break;
407	}
408	# else
409	switch (mode) {
410	case IGNORE:
411	setuid(getuid());
412	setgid(getgid());
413	/* FALLTHROUGH */
414	case SAVE:
415	/* FALLTHROUGH */
416	case RESTORE:
417	break;
418	}
419	# endif	500	#endif
420	#endif
421	}
422		501
423	#ifdef UTMP_SUPPORT	502	pty = ptytty::create ();
424	/* EXTPROTO */
425	void
426	rxvt_privileged_utmp(pR_ char action)
427	{
428	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
429	action, R->next_utmp_action, getpid()));
430	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
431	|| (R->Options & Opt_utmpInhibit)
432	|| R->ttydev == NULL || *R->ttydev == '\0')
433	return;
434		503
435	rxvt_privileges(aR_ RESTORE);	504	create_windows (argc, argv);
436	if (action == SAVE) {	505
437	R->next_utmp_action = RESTORE;	506	init_xlocale ();
438	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	507
439	} else { /* action == RESTORE */	508	scr_reset (); // initialize screen
440	R->next_utmp_action = IGNORE;	509
441	rxvt_cleanutent(aR);	510	#if 0
		511	XSynchronize (dpy, True);
		512	#endif
		513
		514	#ifdef HAVE_SCROLLBARS
		515	if (option (Opt_scrollBar))
		516	resize_scrollbar (); /* create and map scrollbar */
		517	#endif
		518	#ifdef HAVE_BG_PIXMAP
		519	{
		520	bgPixmap.set_target (this);
		521
		522	#ifdef ENABLE_TRANSPARENCY
		523	if (option (Opt_transparent))
		524	{
		525	bgPixmap.set_transparent ();
		526
		527	#ifdef HAVE_AFTERIMAGE
		528	if (rs [Rs_blurradius])
		529	bgPixmap.set_blur_radius (rs [Rs_blurradius]);
		530	#endif
		531	if (ISSET_PIXCOLOR (Color_tint))
		532	bgPixmap.set_tint (pix_colors_focused [Color_tint]);
		533
		534	if (rs [Rs_shade])
		535	bgPixmap.set_shade (rs [Rs_shade]);
		536
		537	bgPixmap.set_root_pixmap ();
		538	XSelectInput (dpy, display->root, PropertyChangeMask);
		539	rootwin_ev.start (display, display->root);
442	}	540	}
443	rxvt_privileges(aR_ IGNORE);
444	}
445	#endif	541	#endif
446		542
447	#ifndef NO_SETOWNER_TTYDEV	543	#ifdef BG_IMAGE_FROM_FILE
448	/* EXTPROTO */	544	if (rs[Rs_backgroundPixmap])
449	void	545	{
450	rxvt_privileged_ttydev(pR_ char action)	546	const char *p = rs[Rs_backgroundPixmap];
451	{
452	D_MAIN((stderr,
453	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
454	action, R->next_tty_action, getpid()));
455	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
456	|| R->ttydev == NULL || *R->ttydev == '\0')
457	return;
458		547
459	rxvt_privileges(aR_ RESTORE);	548	if ((p = strchr (p, ';')) != 0)
460		549	{
461	if (action == SAVE) {	550	p++;
462	R->next_tty_action = RESTORE;	551	bgPixmap.set_geometry (p);
463	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	552	}
464	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
465	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
466	R->next_tty_action = IGNORE;
467	else	553	else
		554	bgPixmap.set_defaultGeometry ();
		555
		556	if (bgPixmap.set_file (rs[Rs_backgroundPixmap]))
		557	if (!bgPixmap.window_position_sensitive ())
		558	update_background ();
		559	}
468	# endif	560	#endif
469	{	561	}
470	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
471	chmod(R->ttydev, R->ttymode);
472	# ifdef HAVE_REVOKE
473	revoke(R->ttydev);
474	# endif	562	#endif
475	}	563
476	} else { /* action == RESTORE */	564	#if ENABLE_PERL
477	R->next_tty_action = IGNORE;	565	rootwin_ev.start (display, display->root);
478	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
479	chmod(R->ttydev, R->ttyfd_stat.st_mode);
480	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
481	# else
482	chmod(R->ttydev,
483	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
484	chown(R->ttydev, 0, 0);
485	# endif	566	#endif
		567
		568	set_colorfgbg ();
		569
		570	init_command (cmd_argv);
		571
		572	free (cmd_argv);
		573
		574	if (pty->pty >= 0)
		575	pty_ev.start (pty->pty, ev::READ);
		576
		577	HOOK_INVOKE ((this, HOOK_START, DT_END));
		578
		579	#if ENABLE_XEMBED
		580	if (rs[Rs_embed])
486	}	581	{
		582	long info[2] = { 0, XEMBED_MAPPED };
487		583
488	rxvt_privileges(aR_ IGNORE);	584	XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
489		585	32, PropModeReplace, (unsigned char *)&info, 2);
490	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	586	}
491	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
492	action == RESTORE ? "Restoring" : (action ==
493	SAVE ? "Saving" :
494	"UNKNOWN ERROR for"), R->ttydev,
495	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
496	R->ttyfd_stat.st_gid));
497	# endif	587	#endif
		588
		589	XMapWindow (dpy, vt);
		590	XMapWindow (dpy, parent[0]);
498	}	591	}
499	#endif	592
		593	static struct sig_handlers
		594	{
		595	ev::sig sw_term, sw_int;
		596
		597	/*
		598	* Catch a fatal signal and tidy up before quitting
		599	*/
		600	void sig_term (ev::sig &w, int revents);
		601
		602	sig_handlers ()
		603	{
		604	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		605	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
		606	}
		607	} sig_handlers;
		608
		609	void
		610	sig_handlers::sig_term (ev::sig &w, int revents)
		611	{
		612	rxvt_emergency_cleanup ();
		613	w.stop ();
		614	kill (getpid (), w.signum);
		615	}
		616
		617	char **rxvt_environ; // startup environment
		618
		619	void
		620	rxvt_init ()
		621	{
		622	ptytty::init ();
		623
		624	if (!ev_default_loop (0))
		625	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		626
		627	rxvt_environ = environ;
		628
		629	signal (SIGHUP, SIG_IGN);
		630	signal (SIGPIPE, SIG_IGN);
		631
		632	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		633	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		634
		635	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		636	/* signal (SIGURG, SIG_DFL); */
		637
		638	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		639	// TODO: handle this with exceptions and tolerate the memory loss
		640	XSetIOErrorHandler (rxvt_xioerror_handler);
		641
		642	XrmInitialize ();
		643	}
500		644
501	/*----------------------------------------------------------------------*/	645	/*----------------------------------------------------------------------*/
502	/*	646	/*
503	* window size/position calculcations for XSizeHint and other storage.	647	* window size/position calculations for XSizeHint and other storage.
504	* if width/height are non-zero then override calculated width/height	648	* if width/height are non-zero then override calculated width/height
505	*/	649	*/
506	/* EXTPROTO */
507	void	650	void
508	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	651	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
509	{	652	{
510	short recalc_x, recalc_y;	653	short recalc_x, recalc_y;
511	int x, y, sb_w, mb_h, flags;	654	int x, y, sb_w, flags;
512	unsigned int w, h;	655	unsigned int w, h;
513	unsigned int max_width, max_height;	656	unsigned int max_width, max_height;
514		657
515	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
516	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
517	R->szHint.height));
518	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	658	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
519	R->szHint.win_gravity = NorthWestGravity;	659	szHint.win_gravity = NorthWestGravity;
520	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	660	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
521		661
522	recalc_x = recalc_y = 0;	662	recalc_x = recalc_y = 0;
523	flags = 0;	663	flags = 0;
		664
524	if (!R->parsed_geometry) {	665	if (!parsed_geometry)
		666	{
525	R->parsed_geometry = 1;	667	parsed_geometry = 1;
		668
526	if (R->rs[Rs_geometry])	669	if (rs[Rs_geometry])
527	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	670	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		671
528	if (flags & WidthValue) {	672	if (flags & WidthValue)
529	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	673	{
		674	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
530	R->szHint.flags |= USSize;	675	szHint.flags |= USSize;
531	}	676	}
		677
532	if (flags & HeightValue) {	678	if (flags & HeightValue)
533	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	679	{
		680	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
534	R->szHint.flags |= USSize;	681	szHint.flags |= USSize;
535	}	682	}
		683
536	if (flags & XValue) {	684	if (flags & XValue)
		685	{
537	R->szHint.x = x;	686	szHint.x = x;
538	R->szHint.flags |= USPosition;	687	szHint.flags |= USPosition;
		688
539	if (flags & XNegative) {	689	if (flags & XNegative)
		690	{
540	recalc_x = 1;	691	recalc_x = 1;
541	R->szHint.win_gravity = NorthEastGravity;	692	szHint.win_gravity = NorthEastGravity;
542	}	693	}
543	}	694	}
		695
544	if (flags & YValue) {	696	if (flags & YValue)
		697	{
545	R->szHint.y = y;	698	szHint.y = y;
546	R->szHint.flags |= USPosition;	699	szHint.flags |= USPosition;
		700
547	if (flags & YNegative) {	701	if (flags & YNegative)
		702	{
548	recalc_y = 1;	703	recalc_y = 1;
		704
549	if (R->szHint.win_gravity == NorthEastGravity)	705	if (szHint.win_gravity == NorthEastGravity)
550	R->szHint.win_gravity = SouthEastGravity;	706	szHint.win_gravity = SouthEastGravity;
551	else	707	else
552	R->szHint.win_gravity = SouthWestGravity;	708	szHint.win_gravity = SouthWestGravity;
553	}	709	}
554	}	710	}
555	}	711	}
		712
556	/* TODO: BOUNDS */	713	/* TODO: BOUNDS */
557	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	714	width = ncol * fwidth;
558	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	715	height = nrow * fheight;
559	max_width = MAX_COLS * R->TermWin.fwidth;	716	max_width = MAX_COLS * fwidth;
560	max_height = MAX_ROWS * R->TermWin.fheight;	717	max_height = MAX_ROWS * fheight;
561		718
562	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	719	szHint.base_width = szHint.base_height = 2 * int_bwidth;
563		720
564	sb_w = mb_h = 0;	721	sb_w = 0;
565	R->window_vt_x = R->window_vt_y = 0;	722	window_vt_x = window_vt_y = int_bwidth;
566	if (scrollbar_visible(R)) {	723
		724	if (scrollBar.state)
		725	{
567	sb_w = scrollbar_TotalWidth();	726	sb_w = scrollbar_TotalWidth ();
568	R->szHint.base_width += sb_w;	727	szHint.base_width += sb_w;
		728
569	if (!(R->Options & Opt_scrollBar_right))	729	if (!option (Opt_scrollBar_right))
570	R->window_vt_x = sb_w;	730	window_vt_x += sb_w;
571	}	731	}
572	if (menubar_visible(R)) {	732
573	mb_h = menuBar_TotalHeight();
574	R->szHint.base_height += mb_h;
575	R->window_vt_y = mb_h;
576	}
577	R->szHint.width_inc = R->TermWin.fwidth;	733	szHint.width_inc = fwidth;
578	R->szHint.height_inc = R->TermWin.fheight;	734	szHint.height_inc = fheight;
579	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	735	szHint.min_width = szHint.base_width + szHint.width_inc;
580	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	736	szHint.min_height = szHint.base_height + szHint.height_inc;
581		737
582	if (width && width - R->szHint.base_width < max_width) {	738	if (newwidth && newwidth - szHint.base_width < max_width)
		739	{
583	R->szHint.width = width;	740	szHint.width = newwidth;
584	R->TermWin.width = width - R->szHint.base_width;	741	width = newwidth - szHint.base_width;
585	} else {	742	}
586	MIN_IT(R->TermWin.width, max_width);	743	else
		744	{
		745	min_it (width, max_width);
587	R->szHint.width = R->szHint.base_width + R->TermWin.width;	746	szHint.width = szHint.base_width + width;
588	}	747	}
		748
589	if (height && height - R->szHint.base_height < max_height) {	749	if (newheight && newheight - szHint.base_height < max_height)
		750	{
590	R->szHint.height = height;	751	szHint.height = newheight;
591	R->TermWin.height = height - R->szHint.base_height;	752	height = newheight - szHint.base_height;
592	} else {	753	}
593	MIN_IT(R->TermWin.height, max_height);	754	else
		755	{
		756	min_it (height, max_height);
594	R->szHint.height = R->szHint.base_height + R->TermWin.height;	757	szHint.height = szHint.base_height + height;
595	}	758	}
		759
596	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	760	if (scrollBar.state && option (Opt_scrollBar_right))
597	R->window_sb_x = R->szHint.width - sb_w;	761	window_sb_x = szHint.width - sb_w;
598		762
599	if (recalc_x)	763	if (recalc_x)
600	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	764	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
601	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	765
602	if (recalc_y)	766	if (recalc_y)
603	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	767	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
604	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
605		768
606	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	769	ncol = width / fwidth;
607	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	770	nrow = height / fheight;
608	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
609	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
610	R->szHint.height));
611	return;
612	}	771	}
613		772
614	/*----------------------------------------------------------------------*/	773	/*----------------------------------------------------------------------*/
615	/*	774	/*
616	* Tell the teletype handler what size the window is.	775	* Tell the teletype handler what size the window is.
617	* Called after a window size change.	776	* Called after a window size change.
618	*/	777	*/
619	/* EXTPROTO */
620	void	778	void
621	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	779	rxvt_term::tt_winch ()
622	{	780	{
		781	if (pty->pty < 0)
		782	return;
		783
623	struct winsize ws;	784	struct winsize ws;
624		785
625	if (fd < 0)
626	return;
627	ws.ws_col = col;	786	ws.ws_col = ncol;
628	ws.ws_row = row;	787	ws.ws_row = nrow;
629	ws.ws_xpixel = ws.ws_ypixel = 0;	788	ws.ws_xpixel = width;
630	#ifndef DEBUG_SIZE	789	ws.ws_ypixel = height;
631	(void)ioctl(fd, TIOCSWINSZ, &ws);	790	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
632	#else	791
633	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	792	#if 0
634	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	793	// TIOCSWINSZ is supposed to do this automatically and correctly
635	}
636	# ifdef SIGWINCH
637	else if (pid) /* force through to the command */	794	if (cmd_pid) /* force through to the command */
638	kill(pid, SIGWINCH);	795	kill (-cmd_pid, SIGWINCH);
639	# endif
640	#endif	796	#endif
641	}	797	}
642		798
643	/*----------------------------------------------------------------------*/	799	/*----------------------------------------------------------------------*/
644	/* rxvt_change_font() - Switch to a new font */	800	/* set_fonts () - load and set the various fonts
645	/*	801	*
646	* init = 1 - initialize	802	* init = 1 - initialize
647	*	803	*
648	* fontname == FONT_UP - switch to bigger font	804	* fontname == FONT_UP - switch to bigger font
649	* fontname == FONT_DN - switch to smaller font	805	* fontname == FONT_DN - switch to smaller font
650	*/	806	*/
651	/* EXTPROTO */	807	bool
652	void	808	rxvt_term::set_fonts ()
653	rxvt_change_font(pR_ int init, const char *fontname)
654	{	809	{
655	}	810	rxvt_fontset *fs = new rxvt_fontset (this);
		811	rxvt_fontprop prop;
656		812
657	/* INTPROTO */	813	if (!fs
		814	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		815	|| !fs->realize_font (1))
		816	{
		817	delete fs;
		818	return false;
		819	}
		820
		821	#if ENABLE_STYLES
		822	for (int i = RS_styleCount; --i; )
		823	if (fontset[i] != fontset[0])
		824	delete fontset[i];
		825	#endif
		826
		827	delete fontset[0];
		828	fontset[0] = fs;
		829
		830	prop = (*fs)[1]->properties ();
		831	prop.height += lineSpace;
		832
		833	fs->set_prop (prop, false);
		834
		835	fwidth = prop.width;
		836	fheight = prop.height;
		837	fbase = prop.ascent;
		838
		839	for (int style = 1; style < 4; style++)
		840	{
		841	#if ENABLE_STYLES
		842	const char *res = rs[Rs_font + style];
		843
		844	if (res && !*res)
		845	fontset[style] = fontset[0];
		846	else
		847	{
		848	fontset[style] = fs = new rxvt_fontset (this);
		849	rxvt_fontprop prop2 = prop;
		850
		851	if (res)
		852	{
		853	fs->populate (res);
		854	fs->set_prop (prop2, false);
		855	}
		856	else
		857	{
		858	fs->populate (fontset[0]->fontdesc);
		859
		860	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		861	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		862
		863	fs->set_prop (prop2, true);
		864	}
		865
		866	}
		867	#else
		868	fontset[style] = fontset[0];
		869	#endif
		870	}
		871
		872	if (parent[0])
		873	{
		874	resize_all_windows (0, 0, 0);
		875	scr_remap_chars ();
		876	scr_touch (true);
		877	}
		878
		879	return true;
		880	}
		881
658	void	882	void
659	rxvt_font_up_down(pR_ int n, int direction)	883	rxvt_term::set_string_property (Atom prop, const char *str, int len)
660	{	884	{
		885	XChangeProperty (dpy, parent[0],
		886	prop, XA_STRING, 8, PropModeReplace,
		887	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		888	}
		889
		890	void
		891	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		892	{
		893	wchar_t *ws = rxvt_mbstowcs (str, len);
		894	char *s = rxvt_wcstoutf8 (ws);
		895
		896	XChangeProperty (dpy, parent[0],
		897	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		898	(const unsigned char *)s, strlen (s));
		899
		900	free (s);
		901	free (ws);
661	}	902	}
662		903
663	/*----------------------------------------------------------------------*/	904	/*----------------------------------------------------------------------*/
664	/*----------------------------------------------------------------------*/	905	/*----------------------------------------------------------------------*/
665	/* xterm sequences - title, iconName, color (exptl) */	906	/* xterm sequences - title, iconName, color (exptl) */
666	/* EXTPROTO */
667	void	907	void
668	rxvt_set_title(pR_ const char *str)	908	rxvt_term::set_title (const char *str)
669	{	909	{
670	#ifndef SMART_WINDOW_TITLE	910	set_string_property (XA_WM_NAME, str);
671	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	911	#if ENABLE_EWMH
672	#else	912	set_utf8_property (xa[XA_NET_WM_NAME], str);
673	char *name;
674
675	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
676	name = NULL;
677	if (name == NULL || STRCMP(name, str))
678	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
679	if (name)
680	XFree(name);
681	#endif	913	#endif
682	}	914	}
683		915
684	/* EXTPROTO */
685	void	916	void
686	rxvt_set_iconName(pR_ const char *str)	917	rxvt_term::set_icon_name (const char *str)
687	{	918	{
688	#ifndef SMART_WINDOW_TITLE	919	set_string_property (XA_WM_ICON_NAME, str);
689	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	920	#if ENABLE_EWMH
690	#else	921	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
691	char *name;
692
693	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
694	name = NULL;
695	if (name == NULL || STRCMP(name, str))
696	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
697	if (name)
698	XFree(name);
699	#endif	922	#endif
700	}	923	}
701		924
		925	void
		926	rxvt_term::set_window_color (int idx, const char *color)
		927	{
702	#ifdef XTERM_COLOR_CHANGE	928	#ifdef XTERM_COLOR_CHANGE
703	/* EXTPROTO */
704	void
705	rxvt_set_window_color(pR_ int idx, const char *color)
706	{
707	rxvt_color xcol;	929	rxvt_color xcol;
708	int i;	930	int i;
709		931
710	if (color == NULL || *color == '\0')	932	if (color == NULL || *color == '\0')
711	return;	933	return;
712		934
		935	color = strdup (color);
		936	allocated.push_back ((void *)color);
		937	rs[Rs_color + idx] = color;
		938
713	/* handle color aliases */	939	/* handle color aliases */
714	if (isdigit(*color)) {	940	if (isdigit (*color))
		941	{
715	i = atoi(color);	942	i = atoi (color);
716	if (i >= 8 && i <= 15) { /* bright colors */	943
717	i -= 8;	944	if (i >= 8 && i <= 15)
718	# ifndef NO_BRIGHTCOLOR	945	{
719	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	946	/* bright colors */
720	SET_PIXCOLOR(R, idx);	947	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
721	goto Done;	948	goto done;
722	# endif
723	}	949	}
724	if (i >= 0 && i <= 7) { /* normal colors */	950
725	R->PixColors[idx] = R->PixColors[minCOLOR + i];	951	if (i >= 0 && i <= 7)
726	SET_PIXCOLOR(R, idx);	952	{
		953	/* normal colors */
		954	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
727	goto Done;	955	goto done;
728	}	956	}
729	}	957	}
730	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
731	return;
732	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
733		958
734	/*	959	set_color (xcol, color);
		960
		961	/*
735	* FIXME: should free colors here, but no idea how to do it so instead,	962	* FIXME: should free colors here, but no idea how to do it so instead,
736	* so just keep gobbling up the colormap	963	* so just keep gobbling up the colormap
737	*/	964	*/
738	# if 0
739	for (i = Color_Black; i <= Color_White; i++)
740	if (R->PixColors[idx] == R->PixColors[i])
741	break;
742	if (i > Color_White) {
743	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
744	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
745	DisplayPlanes(R->Xdisplay, Xscreen));
746	}
747	# endif
748		965
749	R->PixColors[idx] = xcol;	966	pix_colors_focused[idx] = xcol;
750	SET_PIXCOLOR(R, idx);
751		967
752	/* XSetWindowAttributes attr; */	968	done:
753	/* Cursor cursor; */
754	Done:
755	if (idx == Color_bg && !(R->Options & Opt_transparent))
756	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
757	R->PixColors[Color_bg]);
758
759	/* handle Color_BD, scrollbar background, etc. */	969	/*TODO: handle Color_BD, scrollbar background, etc. */
760		970
761	rxvt_set_colorfgbg(aR);	971	update_fade_color (idx);
762	rxvt_recolour_cursor(aR);	972	recolour_cursor ();
763	/* the only reasonable way to enforce a clean update */	973	scr_recolour ();
764	rxvt_scr_poweron(aR);	974	#endif /* XTERM_COLOR_CHANGE */
765	}	975	}
766		976
767	#else
768	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
769	#endif /* XTERM_COLOR_CHANGE */
770
771	/* EXTPROTO */
772	void	977	void
773	rxvt_recolour_cursor(pR)	978	rxvt_term::recolour_cursor ()
774	{	979	{
775	rxvt_color xcol[2];	980	XColor fg, bg;
776		981
777	#if TODO	982	(ISSET_PIXCOLOR (Color_pointer_fg)
778	xcol[0] = R->PixColors[Color_pointer];	983	? pix_colors_focused[Color_pointer_fg]
779	xcol[1] = R->PixColors[Color_bg];	984	: pix_colors_focused[Color_fg]).get (fg);
780	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	985
781	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	986	(ISSET_PIXCOLOR (Color_pointer_bg)
782	#endif	987	? pix_colors_focused[Color_pointer_bg]
		988	: pix_colors_focused[Color_bg]).get (bg);
		989
		990	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
783	}	991	}
784		992
785	/*----------------------------------------------------------------------*/	993	/*----------------------------------------------------------------------*/
786	/*	994	/*
787	* find if fg/bg matches any of the normal (low-intensity) colors	995	* find if fg/bg matches any of the normal (low-intensity) colors
788	*/	996	*/
789	/* INTPROTO */
790	void	997	void
791	rxvt_set_colorfgbg(pR)	998	rxvt_term::set_colorfgbg ()
792	{	999	{
793	unsigned int i;	1000	unsigned int i;
794	const char *xpmb = "\0";	1001	const char *xpmb = "";
795	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1002	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
796		1003
797	R->env_colorfgbg =	1004	strcpy (fstr, "default");
798	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1005	strcpy (bstr, "default");
799	STRCPY(fstr, "default");
800	STRCPY(bstr, "default");
801	for (i = Color_Black; i <= Color_White; i++)	1006	for (i = Color_Black; i <= Color_White; i++)
802	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1007	if (pix_colors[Color_fg] == pix_colors[i])
		1008	{
803	sprintf(fstr, "%d", (i - Color_Black));	1009	sprintf (fstr, "%d", (i - Color_Black));
804	break;	1010	break;
805	}	1011	}
		1012
806	for (i = Color_Black; i <= Color_White; i++)	1013	for (i = Color_Black; i <= Color_White; i++)
807	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1014	if (pix_colors[Color_bg] == pix_colors[i])
		1015	{
808	sprintf(bstr, "%d", (i - Color_Black));	1016	sprintf (bstr, "%d", (i - Color_Black));
809	#ifdef XPM_BACKGROUND	1017	#ifdef BG_IMAGE_FROM_FILE
810	xpmb = "default;";	1018	xpmb = "default;";
811	#endif	1019	#endif
812	break;	1020	break;
813	}	1021	}
		1022
814	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1023	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
815	putenv(R->env_colorfgbg);
816
817	#ifndef NO_BRIGHTCOLOR
818	R->colorfgbg = DEFAULT_RSTYLE;
819	for (i = minCOLOR; i <= maxCOLOR; i++) {
820	if (R->PixColors[Color_fg] == R->PixColors[i])
821	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
822	if (R->PixColors[Color_bg] == R->PixColors[i])
823	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
824	}
825	#endif
826	}	1024	}
827		1025
828	/*----------------------------------------------------------------------*/	1026	/*----------------------------------------------------------------------*/
829	/*
830	* Colour determination for low colour displays, routine from
831	* Hans de Goede <hans@highrise.nl>
832	*/
833		1027
834	/* EXTPROTO */	1028	bool
835	int	1029	rxvt_term::set_color (rxvt_color &color, const char *name)
836	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
837	{	1030	{
838	screen_in_out->set(aR_ colour);	1031	if (color.set (this, name))
839
840	if (!screen_in_out->set(aR_ colour)) {
841	rxvt_print_error("can't allocate colour: %s", colour);
842	return false;
843	}
844
845	return true;	1032	return true;
		1033
		1034	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		1035	return false;
		1036	}
		1037
		1038	void
		1039	rxvt_term::alias_color (int dst, int src)
		1040	{
		1041	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
846	}	1042	}
847		1043
848	/* -------------------------------------------------------------------- *	1044	/* -------------------------------------------------------------------- *
849	* - WINDOW RESIZING - *	1045	* - WINDOW RESIZING - *
850	* -------------------------------------------------------------------- */	1046	* -------------------------------------------------------------------- */
851	/* EXTPROTO */
852	void	1047	void
853	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1048	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
854	int ignoreparent)
855	{	1049	{
856	int fix_screen;	1050	int fix_screen;
		1051	int old_width = szHint.width;
		1052	int old_height = szHint.height;
857		1053
		1054	window_calc (newwidth, newheight);
		1055
		1056	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
		1057	XSetWMNormalHints (dpy, parent[0], &szHint);
		1058
		1059	if (!ignoreparent)
		1060	{
858	#ifdef SMART_RESIZE	1061	#ifdef SMART_RESIZE
859	int old_width = R->szHint.width, old_height = R->szHint.height;	1062	/*
860	#endif
861
862	rxvt_window_calc(aR_ width, height);
863	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
864	if (!ignoreparent) {
865	#ifdef SMART_RESIZE
866	/*
867	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1063	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
868	* reposition window on resize depending on placement on screen	1064	* reposition window on resize depending on placement on screen
869	*/	1065	*/
870	int x, y, x1, y1;	1066	int x, y, x1, y1;
871	int dx, dy;	1067	int dx, dy;
872	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1068	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
873	Window unused_cr;	1069	Window unused_cr;
874		1070
875	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1071	XTranslateCoordinates (dpy, parent[0], display->root,
876	0, 0, &x, &y, &unused_cr);	1072	0, 0, &x, &y, &unused_cr);
877	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1073	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
878	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1074	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
879	/*	1075	/*
880	* if Xroot isn't the parent window, a WM will probably have offset	1076	* if display->root isn't the parent window, a WM will probably have offset
881	* our position for handles and decorations. Counter it	1077	* our position for handles and decorations. Counter it
882	*/	1078	*/
883	if (x1 != x || y1 != y) {	1079	if (x1 != x || y1 != y)
		1080	{
884	x -= x1;	1081	x -= x1;
885	y -= y1;	1082	y -= y1;
886	}	1083	}
887		1084
888	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1085	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
889	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1086	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
890	dx = old_width - R->szHint.width;	1087	dx = old_width - szHint.width;
891	dy = old_height - R->szHint.height;	1088	dy = old_height - szHint.height;
892		1089
893	/* Check position of the center of the window */	1090	/* Check position of the center of the window */
894	if (x < x1) /* left half */	1091	if (x < x1) /* left half */
895	dx = 0;	1092	dx = 0;
896	else if (x == x1) /* exact center */	1093	else if (x == x1) /* exact center */
897	dx /= 2;	1094	dx /= 2;
898	if (y < y1) /* top half */	1095	if (y < y1) /* top half */
899	dy = 0;	1096	dy = 0;
900	else if (y == y1) /* exact center */	1097	else if (y == y1) /* exact center */
901	dy /= 2;	1098	dy /= 2;
902		1099
903	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1100	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
904	R->szHint.width, R->szHint.height);	1101	szHint.width, szHint.height);
905	#else	1102	#else
906	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1103	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
907	R->szHint.height);
908	#endif	1104	#endif
909	}	1105	}
910		1106
911	fix_screen = (R->TermWin.ncol != R->prev_ncol	1107	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
912	|| R->TermWin.nrow != R->prev_nrow);	1108
913	if (fix_screen || width != R->old_width || height != R->old_height) {	1109	if (fix_screen || newwidth != old_width || newheight != old_height)
914	if (scrollbar_visible(R)) {	1110	{
		1111	if (scrollBar.state)
		1112	{
915	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1113	XMoveResizeWindow (dpy, scrollBar.win,
		1114	window_sb_x, 0,
916	0, scrollbar_TotalWidth(), R->szHint.height);	1115	scrollbar_TotalWidth (), szHint.height);
917	rxvt_Resize_scrollBar(aR);	1116	resize_scrollbar ();
918	}	1117	}
919	if (menubar_visible(R))	1118
920	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1119	XMoveResizeWindow (dpy, vt,
921	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1120	window_vt_x, window_vt_y,
922	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
923	R->window_vt_y, TermWin_TotalWidth(),
924	TermWin_TotalHeight());	1121	width, height);
925	#ifdef RXVT_GRAPHICS	1122
926	if (R->old_height)	1123	#ifdef HAVE_BG_PIXMAP
927	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,	1124	if (bgPixmap.window_size_sensitive ())
928	R->old_height - R->szHint.base_height);	1125	update_background ();
929	#endif	1126	#endif
		1127
930	rxvt_scr_clear(aR);	1128	scr_clear ();
931	#ifdef XPM_BACKGROUND
932	rxvt_resize_pixmap(aR);
933	#endif
934	}	1129	}
935		1130
936	if (fix_screen || R->old_height == 0) {	1131	if (fix_screen || old_height == 0)
937	int curr_screen = -1;	1132	scr_reset ();
938	uint16_t old_ncol = R->prev_ncol;
939		1133
940	/* scr_reset only works on the primary screen */	1134	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
941	if (R->old_height) /* this is not the first time through */	1135	//scr_touch (false);
942	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
943	rxvt_scr_reset(aR);
944	if (curr_screen >= 0) { /* this is not the first time through */
945	rxvt_scr_change_screen(aR_ curr_screen);
946	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
947	}
948	}
949		1136
950	R->old_width = R->szHint.width;	1137	#ifdef HAVE_BG_PIXMAP
951	R->old_height = R->szHint.height;	1138	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1139	// if (bgPixmap.pixmap)
		1140	// scr_touch (false);
		1141	#endif
952		1142
953	#ifdef USE_XIM	1143	#ifdef USE_XIM
954	rxvt_IMSetStatusPosition(aR);	1144	IMSetPosition ();
955	#endif	1145	#endif
956	}	1146	}
957		1147
958	/*	1148	/*
959	* Set the width/height of the vt window in characters. Units are pixels.	1149	* Set the width/height of the vt window in characters. Units are pixels.
960	* good for toggling 80/132 columns	1150	* good for toggling 80/132 columns
961	*/	1151	*/
962	/* EXTPROTO */
963	void	1152	void
964	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1153	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
965	{	1154	{
966	XWindowAttributes wattr;	1155	XWindowAttributes wattr;
967		1156
968	if (width == 0 || height == 0) {	1157	if (newwidth == 0 || newheight == 0)
		1158	{
969	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1159	XGetWindowAttributes (dpy, display->root, &wattr);
		1160
970	if (width == 0)	1161	if (newwidth == 0)
971	width = wattr.width - R->szHint.base_width;	1162	newwidth = wattr.width - szHint.base_width;
972	if (height == 0)	1163	if (newheight == 0)
973	height = wattr.height - R->szHint.base_height;	1164	newheight = wattr.height - szHint.base_height;
		1165	}
		1166
		1167	if (newwidth != width || newheight != height)
974	}	1168	{
975	if (width != R->TermWin.width || height != R->TermWin.height) {
976	width += R->szHint.base_width;	1169	newwidth += szHint.base_width;
977	height += R->szHint.base_height;	1170	newheight += szHint.base_height;
978	rxvt_resize_all_windows(aR_ width, height, 0);	1171	resize_all_windows (newwidth, newheight, 0);
979	}	1172	}
980	}	1173	}
981		1174
982	/* -------------------------------------------------------------------- *	1175	/* -------------------------------------------------------------------- *
983	* - X INPUT METHOD ROUTINES - *	1176	* - X INPUT METHOD ROUTINES - *
984	* -------------------------------------------------------------------- */	1177	* -------------------------------------------------------------------- */
985	#ifdef USE_XIM	1178	#ifdef USE_XIM
986	/* INTPROTO */
987	void
988	rxvt_setSize(pR_ XRectangle * size)
989	{
990	size->x = R->TermWin.int_bwidth;
991	size->y = R->TermWin.int_bwidth;
992	size->width = Width2Pixel(R->TermWin.ncol);
993	size->height = Height2Pixel(R->TermWin.nrow);
994	}
995		1179
996	/* INTPROTO */
997	void	1180	void
998	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1181	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
999	{	1182	{
1000	*fg = R->PixColors[Color_fg];	1183	fg = pix_colors [Color_fg];
1001	*bg = R->PixColors[Color_bg];	1184	bg = pix_colors [Color_bg];
		1185	}
		1186
		1187	void
		1188	rxvt_term::im_set_size (XRectangle &size)
		1189	{
		1190	// the int_bwidth terms make no sense to me
		1191	size.x = int_bwidth;
		1192	size.y = int_bwidth;
		1193	size.width = Width2Pixel (ncol) + int_bwidth;
		1194	size.height = Height2Pixel (nrow) + int_bwidth;
		1195	}
		1196
		1197	void
		1198	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1199	XRectangle &status_rect,
		1200	const XRectangle &needed_rect)
		1201	{
		1202	preedit_rect.x = needed_rect.width;
		1203	preedit_rect.y = 0;
		1204	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1205	preedit_rect.height = fheight;
		1206
		1207	status_rect.x = 0;
		1208	status_rect.y = 0;
		1209	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1210	status_rect.height = fheight;
1002	}	1211	}
1003		1212
1004	/* Checking whether input method is running. */	1213	/* Checking whether input method is running. */
1005	/* INTPROTO */
1006	Bool	1214	bool
1007	rxvt_IMisRunning(pR)	1215	rxvt_term::IMisRunning ()
1008	{	1216	{
1009	char *p;	1217	char *p;
1010	Atom atom;	1218	Atom atom;
1011	Window win;	1219	Window win;
1012	char server[IMBUFSIZ];	1220	char server[IMBUFSIZ];
1013		1221
1014	/* get current locale modifier */	1222	/* get current locale modifier */
1015	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1223	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1224	{
1016	STRCPY(server, "@server=");	1225	strcpy (server, "@server=");
1017	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1226	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1227
1018	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1228	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1019	*p = '\0';	1229	*p = '\0';
1020		1230
1021	atom = XInternAtom(R->Xdisplay, server, False);	1231	atom = XInternAtom (dpy, server, False);
1022	win = XGetSelectionOwner(R->Xdisplay, atom);	1232	win = XGetSelectionOwner (dpy, atom);
		1233
1023	if (win != None)	1234	if (win != None)
1024	return True;	1235	return True;
1025	}	1236	}
		1237
1026	return False;	1238	return False;
1027	}	1239	}
1028		1240
1029	/* EXTPROTO */
1030	void	1241	void
1031	rxvt_IMSendSpot(pR)	1242	rxvt_term::IMSendSpot ()
1032	{	1243	{
1033	XPoint spot;	1244	XPoint nspot;
1034	XVaNestedList preedit_attr;	1245	XVaNestedList preedit_attr;
1035		1246
1036	if (R->Input_Context == NULL	1247	if (!Input_Context
1037	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1248	|| !focus
1038	|| !(R->event_type == KeyPress	1249	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1039	|| R->event_type == Expose
1040	|| R->event_type == NoExpose
1041	|| R->event_type == SelectionNotify
1042	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1043	|| !rxvt_IMisRunning(aR))
1044	return;	1250	return;
1045		1251
1046	rxvt_setPosition(aR_ & spot);	1252	im_set_position (nspot);
1047		1253
		1254	if (nspot.x == spot.x && nspot.y == spot.y)
		1255	return;
		1256
		1257	spot = nspot;
		1258
1048	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1259	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1049	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1260	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1050	XFree(preedit_attr);	1261	XFree (preedit_attr);
1051	}	1262	}
1052		1263
1053	/* EXTPROTO */
1054	void	1264	void
1055	rxvt_setTermFontSet(pR_ int idx)	1265	rxvt_term::im_destroy ()
1056	{	1266	{
1057	char *string;	1267	if (input_method)
1058	long length;	1268	{
1059	int success = 0;	1269	if (Input_Context && input_method->xim)
		1270	XDestroyIC (Input_Context);
1060		1271
1061	if (idx < 0 || idx >= MAX_NFONTS)	1272	display->put_xim (input_method);
1062	return;	1273	input_method = 0;
1063	}	1274	}
1064		1275
1065	/* INTPROTO */
1066	void
1067	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1068	XRectangle * needed_rect)
1069	{
1070	int mbh, vtx = 0;
1071
1072	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1073	vtx = scrollbar_TotalWidth();
1074	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1075	mbh -= R->TermWin.lineSpace;
1076
1077	preedit_rect->x = needed_rect->width + vtx;
1078	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1079
1080	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1081	+ vtx;
1082	preedit_rect->height = Height2Pixel(1);
1083
1084	status_rect->x = vtx;
1085	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1086
1087	status_rect->width = needed_rect->width ? needed_rect->width
1088	: Width2Pixel(R->TermWin.ncol + 1);
1089	status_rect->height = Height2Pixel(1);
1090	}
1091
1092	/* ARGSUSED */
1093	/* INTPROTO */
1094	void
1095	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1096	__attribute__ ((unused)), XPointer call_data
1097	__attribute__ ((unused)))
1098	{
1099	dR;
1100
1101	R->Input_Context = NULL;	1276	Input_Context = 0;
1102	/* To avoid Segmentation Fault in C locale: Solaris only? */
1103	if (STRCMP(R->locale, "C"))
1104	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1105	rxvt_IMInstantiateCallback, NULL);
1106	}	1277	}
1107		1278
1108	/*	1279	#ifdef ENABLE_XIM_ONTHESPOT
1109	* X manual pages and include files don't match on some systems:
1110	* some think this is an XIDProc and others an XIMProc so we can't
1111	* use the first argument - need to update this to be nice for
1112	* both types via some sort of configure detection
1113	*/
1114	/* ARGSUSED */
1115	/* EXTPROTO */
1116	void
1117	rxvt_IMInstantiateCallback(Display * unused
1118	__attribute__ ((unused)), XPointer client_data
1119	__attribute__ ((unused)), XPointer call_data
1120	__attribute__ ((unused)))
1121	{
1122	dR;
1123	int i, found, had_im;
1124	const char *p;
1125	char **s;
1126	char buf[IMBUFSIZ];
1127		1280
1128	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1281	static void
1129	if (R->Input_Context)	1282	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1130	return;	1283	{
		1284	((rxvt_term *)client_data)->make_current ();
		1285	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1286	}
1131		1287
1132	found = had_im = 0;	1288	static void
1133	p = R->rs[Rs_inputMethod];	1289	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1134	if (p && *p) {	1290	{
1135	had_im = 1;	1291	((rxvt_term *)client_data)->make_current ();
1136	s = rxvt_splitcommastring(p);	1292	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1137	for (i = 0; s[i]; i++) {	1293	}
1138	if (*s[i]) {	1294
1139	STRCPY(buf, "@im=");	1295	static void
1140	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1296	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1141	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1297	{
1142	&& (rxvt_IM_get_IC(aR) == True)) {	1298	rxvt_term *term = (rxvt_term *)client_data;
1143	found = 1;	1299	XIMText *text = call_data->text;
1144	break;	1300
1145	}	1301	term->make_current ();
1146	}	1302
		1303	if (text)
		1304	{
		1305	void *str;
		1306
		1307	if (!text->encoding_is_wchar && text->string.multi_byte)
		1308	{
		1309	// of course, X makes it ugly again
		1310	if (term->rs[Rs_imLocale])
		1311	SET_LOCALE (term->rs[Rs_imLocale]);
		1312
		1313	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1314	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1315
		1316	if (term->rs[Rs_imLocale])
		1317	SET_LOCALE (term->locale);
1147	}	1318	}
1148	for (i = 0; s[i]; i++)	1319	else
1149	free(s[i]);	1320	str = (void *)text->string.wide_char;
1150	free(s);
1151	}
1152	if (found)
1153	return;
1154		1321
1155	/* try with XMODIFIERS env. var. */	1322	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1156	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1323	DT_INT, call_data->caret,
1157	rxvt_IM_get_IC(aR);	1324	DT_INT, call_data->chg_first,
1158	return;	1325	DT_INT, call_data->chg_length,
		1326	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1327	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1328	DT_END));
1159	}	1329	}
1160		1330	else
1161	/* try with no modifiers base IF the user didn't specify an IM */	1331	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1162	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1332	DT_INT, call_data->caret,
1163	&& rxvt_IM_get_IC(aR) == True)	1333	DT_INT, call_data->chg_first,
1164	return;	1334	DT_INT, call_data->chg_length,
		1335	DT_END));
1165	}	1336	}
		1337
		1338	#if 0
		1339	static void
		1340	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1341	{
		1342	((rxvt_term *)client_data)->make_current ();
		1343	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1344	DT_INT, call_data->position,
		1345	DT_INT, call_data->direction,
		1346	DT_INT, call_data->style,
		1347	DT_END));
		1348	}
		1349	#endif
		1350
		1351	#endif
1166		1352
1167	/*	1353	/*
1168	* Try to open a XIM with the current modifiers, then see if we can	1354	* Try to open a XIM with the current modifiers, then see if we can
1169	* open a suitable preedit type	1355	* open a suitable preedit type
1170	*/	1356	*/
1171	/* INTPROTO */
1172	Bool	1357	bool
1173	rxvt_IM_get_IC(pR)	1358	rxvt_term::IM_get_IC (const char *modifiers)
1174	{	1359	{
1175	int i, j, found;	1360	int i, j, found;
1176	XIM xim;	1361	XIM xim;
1177	XPoint spot;	1362	XPoint spot;
1178	XRectangle rect, status_rect, needed_rect;	1363	XRectangle rect, status_rect, needed_rect;
1179	unsigned long fg, bg;	1364	unsigned long fg, bg;
1180	const char *p;	1365	const char *p;
1181	char **s;	1366	char **s;
1182	XIMStyles *xim_styles;	1367	XIMStyles *xim_styles;
1183	XVaNestedList preedit_attr, status_attr;	1368	#ifdef ENABLE_XIM_ONTHESPOT
1184	XIMCallback ximcallback;	1369	XIMCallback xcb[4];
		1370	#endif
1185		1371
1186	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1372	set_environ (envv);
1187	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1373
1188	if (xim == NULL)	1374	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1189	return False;	1375	return false;
1190		1376
		1377	input_method = display->get_xim (locale, modifiers);
		1378	if (input_method == NULL)
		1379	return false;
		1380
		1381	xim = input_method->xim;
		1382	spot.x = spot.y = -1;
		1383
1191	xim_styles = NULL;	1384	xim_styles = NULL;
1192	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1385	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1193	|| !xim_styles || !xim_styles->count_styles) {	1386	|| !xim_styles || !xim_styles->count_styles)
1194	XCloseIM(xim);	1387	{
		1388	im_destroy ();
1195	return False;	1389	return false;
		1390	}
		1391
		1392	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1393
		1394	for (int pi = 0; pi < 2; pi++)
1196	}	1395	{
		1396	p = pet[pi];
1197		1397
1198	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1398	if (!p)
1199	: "OverTheSpot,OffTheSpot,Root";	1399	continue;
		1400
1200	s = rxvt_splitcommastring(p);	1401	s = rxvt_splitcommastring (p);
		1402
1201	for (i = found = 0; !found && s[i]; i++) {	1403	for (i = found = 0; !found && s[i]; i++)
		1404	{
1202	if (!STRCMP(s[i], "OverTheSpot"))	1405	if (!strcmp (s[i], "OverTheSpot"))
1203	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1406	input_style = XIMPreeditPosition | XIMStatusNothing;
1204	else if (!STRCMP(s[i], "OffTheSpot"))	1407	else if (!strcmp (s[i], "OffTheSpot"))
1205	R->input_style = (XIMPreeditArea | XIMStatusArea);	1408	input_style = XIMPreeditArea | XIMStatusArea;
1206	else if (!STRCMP(s[i], "Root"))	1409	else if (!strcmp (s[i], "Root"))
1207	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1410	input_style = XIMPreeditNothing | XIMStatusNothing;
		1411	else if (!strcmp (s[i], "None"))
		1412	input_style = XIMPreeditNone | XIMStatusNone;
		1413	#ifdef ENABLE_XIM_ONTHESPOT
		1414	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1415	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1416	#endif
		1417	else
		1418	input_style = XIMPreeditNothing | XIMStatusNothing;
1208		1419
1209	for (j = 0; j < xim_styles->count_styles; j++)	1420	for (j = 0; j < xim_styles->count_styles; j++)
1210	if (R->input_style == xim_styles->supported_styles[j]) {	1421	if (input_style == xim_styles->supported_styles[j])
		1422	{
		1423	rxvt_freecommastring (s);
		1424
1211	found = 1;	1425	found = 1;
		1426	goto foundpet;
		1427	}
		1428
		1429	}
		1430
		1431	rxvt_freecommastring (s);
		1432	}
		1433
		1434	foundpet:
		1435
		1436	XFree (xim_styles);
		1437
		1438	if (!found)
		1439	{
		1440	im_destroy ();
		1441	return false;
		1442	}
		1443
		1444	XFontSet fs = 0;
		1445	XVaNestedList preedit_attr = 0, status_attr = 0;
		1446
		1447	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1448	{
		1449	// fake us a font-set, please
		1450	char **missing_charset_list;
		1451	int missing_charset_count;
		1452	char *def_string;
		1453	char pat[512];
		1454
		1455	sprintf (pat,
		1456	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1457	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1458	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1459	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1460	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1461	"*",
		1462	fheight,
		1463	fheight + 1, fheight - 1,
		1464	fheight - 2, fheight + 2);
		1465
		1466	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1467	&missing_charset_list, &missing_charset_count, &def_string);
		1468
		1469	if (missing_charset_list)
		1470	XFreeStringList (missing_charset_list);
		1471
		1472	if (!fs)
		1473	{
		1474	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1475	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1476	}
		1477	}
		1478
		1479	if (input_style & XIMPreeditPosition)
		1480	{
		1481	im_set_size (rect);
		1482	im_set_position (spot);
		1483	im_set_color (fg, bg);
		1484
		1485	preedit_attr = XVaCreateNestedList (0,
		1486	XNForeground, fg,
		1487	XNBackground, bg,
		1488	XNArea, &rect,
		1489	XNSpotLocation, &spot,
		1490	XNFontSet, fs,
		1491	NULL);
		1492	}
		1493	else if (input_style & XIMPreeditArea)
		1494	{
		1495	im_set_color (fg, bg);
		1496
		1497	/*
		1498	* The necessary width of preedit area is unknown
		1499	* until create input context.
		1500	*/
		1501	needed_rect.width = 0;
		1502	im_set_preedit_area (rect, status_rect, needed_rect);
		1503
		1504	preedit_attr = XVaCreateNestedList (0,
		1505	XNForeground, fg,
		1506	XNBackground, bg,
		1507	XNArea, &rect,
		1508	XNFontSet, fs,
		1509	NULL);
		1510	status_attr = XVaCreateNestedList (0,
		1511	XNForeground, fg,
		1512	XNBackground, bg,
		1513	XNArea, &status_rect,
		1514	XNFontSet, fs,
		1515	NULL);
		1516	}
		1517	#if ENABLE_XIM_ONTHESPOT
		1518	else if (input_style & XIMPreeditCallbacks)
		1519	{
		1520	im_set_position (spot);
		1521
		1522	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1523	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1524	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1525	# if 0
		1526	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1527	# endif
		1528
		1529	preedit_attr = XVaCreateNestedList (0,
		1530	XNSpotLocation, &spot,
		1531	XNPreeditStartCallback, &xcb[0],
		1532	XNPreeditDoneCallback , &xcb[1],
		1533	XNPreeditDrawCallback , &xcb[2],
		1534	# if 0
		1535	XNPreeditCaretCallback, &xcb[3],
		1536	# endif
		1537	NULL);
		1538	}
		1539	#endif
		1540
		1541	Input_Context = XCreateIC (xim,
		1542	XNInputStyle, input_style,
		1543	XNClientWindow, vt,
		1544	XNFocusWindow, parent[0],
		1545	preedit_attr ? XNPreeditAttributes : NULL,
		1546	preedit_attr,
		1547	status_attr ? XNStatusAttributes : NULL,
		1548	status_attr, NULL);
		1549
		1550	if (preedit_attr) XFree (preedit_attr);
		1551	if (status_attr) XFree (status_attr);
		1552	if (fs) XFreeFontSet (dpy, fs);
		1553
		1554	if (Input_Context == NULL)
		1555	{
		1556	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1557	im_destroy ();
		1558	return false;
		1559	}
		1560
		1561	#if 0
		1562	// unfortunately, only the focus window is used by XIM, hard to fix
		1563	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1564	vt_select_input ();
		1565	#endif
		1566
		1567	IMSetPosition ();
		1568
		1569	return true;
		1570	}
		1571
		1572	void
		1573	rxvt_term::im_cb ()
		1574	{
		1575	int i;
		1576	const char *p;
		1577	char **s;
		1578	char buf[IMBUFSIZ];
		1579
		1580	make_current ();
		1581
		1582	im_destroy ();
		1583
		1584	if (Input_Context)
		1585	return;
		1586
		1587	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1588	if (rs[Rs_imLocale])
		1589	SET_LOCALE (rs[Rs_imLocale]);
		1590	#endif
		1591
		1592	p = rs[Rs_inputMethod];
		1593	if (p && *p)
		1594	{
		1595	bool found = false;
		1596
		1597	s = rxvt_splitcommastring (p);
		1598
		1599	for (i = 0; s[i]; i++)
		1600	{
		1601	if (*s[i])
		1602	{
		1603	strcpy (buf, "@im=");
		1604	strncat (buf, s[i], IMBUFSIZ - 5);
		1605	if (IM_get_IC (buf))
		1606	{
		1607	found = true;
1212	break;	1608	break;
		1609	}
1213	}	1610	}
1214	}	1611	}
1215	for (i = 0; s[i]; i++)
1216	free(s[i]);
1217	free(s);
1218	XFree(xim_styles);
1219		1612
		1613	rxvt_freecommastring (s);
		1614
1220	if (!found) {	1615	if (found)
1221	XCloseIM(xim);	1616	goto done;
1222	return False;
1223	}	1617	}
1224		1618
1225	ximcallback.callback = rxvt_IMDestroyCallback;	1619	/* try with XMODIFIERS env. var. */
		1620	if (IM_get_IC (""))
		1621	goto done;
1226		1622
1227	/* XXX: not sure why we need this (as well as IC one below) */	1623	/* try with no modifiers base IF the user didn't specify an IM */
1228	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1624	if (IM_get_IC ("@im=none"))
		1625	goto done;
1229		1626
1230	preedit_attr = status_attr = NULL;	1627	done:
1231		1628	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1232	if (R->input_style & XIMPreeditPosition) {	1629	if (rs[Rs_imLocale])
1233	rxvt_setSize(aR_ & rect);	1630	SET_LOCALE (locale);
1234	rxvt_setPosition(aR_ & spot);	1631	#endif
1235	rxvt_setColor(aR_ & fg, &bg);
1236
1237	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1238	XNSpotLocation, &spot,
1239	XNForeground, fg, XNBackground, bg,
1240	//XNFontSet, R->TermWin.fontset,
1241	NULL);
1242	} else if (R->input_style & XIMPreeditArea) {
1243	rxvt_setColor(aR_ & fg, &bg);
1244
1245	/*
1246	* The necessary width of preedit area is unknown
1247	* until create input context.
1248	*/
1249	needed_rect.width = 0;
1250
1251	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1252
1253	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1254	XNForeground, fg, XNBackground, bg,
1255	//XNFontSet, R->TermWin.fontset,
1256	NULL);
1257	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1258	XNForeground, fg, XNBackground, bg,
1259	//XNFontSet, R->TermWin.fontset,
1260	NULL);
1261	}
1262	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1263	XNClientWindow, R->TermWin.parent[0],
1264	XNFocusWindow, R->TermWin.parent[0],
1265	XNDestroyCallback, &ximcallback,
1266	preedit_attr ? XNPreeditAttributes : NULL,
1267	preedit_attr,
1268	status_attr ? XNStatusAttributes : NULL,
1269	status_attr, NULL);
1270	if (preedit_attr)
1271	XFree(preedit_attr);
1272	if (status_attr)
1273	XFree(status_attr);
1274	if (R->Input_Context == NULL) {
1275	rxvt_print_error("failed to create input context");
1276	XCloseIM(xim);
1277	return False;
1278	}
1279	if (R->input_style & XIMPreeditArea)
1280	rxvt_IMSetStatusPosition(aR);
1281	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1282	return True;
1283	}	1632	}
1284		1633
1285	/* EXTPROTO */
1286	void	1634	void
1287	rxvt_IMSetStatusPosition(pR)	1635	rxvt_term::IMSetPosition ()
1288	{	1636	{
1289	XRectangle preedit_rect, status_rect, *needed_rect;	1637	XRectangle preedit_rect, status_rect, *needed_rect;
1290	XVaNestedList preedit_attr, status_attr;	1638	XVaNestedList preedit_attr, status_attr;
1291		1639
1292	if (R->Input_Context == NULL	1640	if (!Input_Context
1293	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1641	|| !focus
		1642	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1294	|| !rxvt_IMisRunning(aR))	1643	|| !IMisRunning ())
1295	return;	1644	return;
1296		1645
		1646	if (input_style & XIMPreeditPosition)
		1647	{
		1648	im_set_size (preedit_rect);
		1649	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1650
		1651	XSetICValues (Input_Context,
		1652	XNPreeditAttributes, preedit_attr, NULL);
		1653	}
		1654	else
		1655	{
1297	/* Getting the necessary width of preedit area */	1656	/* Getting the necessary width of preedit area */
1298	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1657	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1299	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1658	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1300	XFree(status_attr);	1659	XFree (status_attr);
1301		1660
1302	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1661	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1662	XFree (needed_rect);
1303		1663
1304	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1664	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1305	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1665	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1306		1666
1307	XSetICValues(R->Input_Context,	1667	XSetICValues (Input_Context,
1308	XNPreeditAttributes, preedit_attr,	1668	XNPreeditAttributes, preedit_attr,
1309	XNStatusAttributes, status_attr, NULL);	1669	XNStatusAttributes, status_attr,
		1670	NULL);
1310		1671
		1672	XFree (status_attr);
		1673	}
		1674
1311	XFree(preedit_attr);	1675	XFree (preedit_attr);
1312	XFree(status_attr);
1313	}	1676	}
1314	#endif /* USE_XIM */	1677	#endif /* USE_XIM */
1315		1678
1316	/*----------------------------------------------------------------------*/	1679	void
1317	rxvt_t rxvt_current_term;	1680	rxvt_term::get_window_origin (int &x, int &y)
		1681	{
		1682	Window cr;
		1683	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1684	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1685	}
		1686
		1687	Pixmap
		1688	rxvt_term::get_pixmap_property (int prop_id)
		1689	{
		1690	if (prop_id > 0 && prop_id < NUM_XA)
		1691	if (xa[prop_id])
		1692	{
		1693	int aformat;
		1694	unsigned long nitems, bytes_after;
		1695	Atom atype;
		1696	unsigned char *prop = NULL;
		1697	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1698	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1699	&nitems, &bytes_after, &prop);
		1700	if (result == Success && prop && atype == XA_PIXMAP)
		1701	return *(Pixmap *)prop;
		1702	}
		1703
		1704	return None;
		1705	}
		1706
		1707	#ifdef HAVE_BG_PIXMAP
		1708	# if TRACE_PIXMAPS
		1709	# undef update_background
		1710	void
		1711	rxvt_term::trace_update_background (const char *file, int line)
		1712	{
		1713	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1714	update_background ();
		1715	}
		1716	# endif
		1717
		1718	void
		1719	rxvt_term::update_background ()
		1720	{
		1721	bgPixmap.invalidate ();
		1722
		1723	/* no chance of real time refresh if we are blurring! */
		1724	if (bgPixmap.invalid_since + 0.50 < ev::now ()
		1725	&& !(bgPixmap.flags & bgPixmap_t::blurNeeded))
		1726	{
		1727	update_background_ev.stop ();
		1728	bgPixmap.render ();
		1729	}
		1730	else
		1731	{
		1732	ev_tstamp refresh;
		1733
		1734	if (!bgPixmap.need_client_side_rendering ())
		1735	refresh = .05;
		1736	else if (bgPixmap.flags & bgPixmap_t::blurNeeded)
		1737	refresh = .20; /* very slow !!! */
		1738	else
		1739	refresh = .07;
		1740
		1741	update_background_ev.start (refresh);
		1742	}
		1743	}
		1744
		1745	void
		1746	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1747	{
		1748	make_current ();
		1749	bgPixmap.render ();
		1750	refresh_check ();
		1751	}
		1752
		1753	#endif /* HAVE_BG_PIXMAP */
1318		1754
1319	/*----------------------- end-of-file (C source) -----------------------*/	1755	/*----------------------- end-of-file (C source) -----------------------*/

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