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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.5 by pcg, Tue Nov 25 15:44:38 2003 UTC vs.
Revision 1.391 by sf-exg, Mon Oct 6 11:11:19 2014 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.5 2003/11/25 15:44:38 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) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
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 3 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
22	*	22	*
23	* This program is distributed in the hope that it will be useful,	23	* This program is distributed in the hope that it will be useful,
24	* but WITHOUT ANY WARRANTY; without even the implied warranty of	24	* but WITHOUT ANY WARRANTY; without even the implied warranty of
25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
…		…
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 "init.h"
		36	#include "keyboard.h"
		37	#include "rxvtperl.h"
36		38
		39	#include <limits>
		40
		41	#include <assert.h>
37	#include <signal.h>	42	#include <signal.h>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	43	#include <string.h>
41	#endif
42		44
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	45	#include <termios.h>
45	#endif
46		46
		47	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# include <locale.h>
		52	#endif
		53
		54	struct termios rxvt_term::def_tio;
		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
		60	static char curlocale[128], savelocale[128];
		61
		62	bool
		63	rxvt_set_locale (const char *locale) NOTHROW
		64	{
		65	int size = strlen (locale) + 1;
		66
		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);
		74	setlocale (LC_CTYPE, curlocale);
		75	return true;
		76	}
		77
47	void *	78	void
48	rxvt_term::operator new (size_t s)	79	rxvt_push_locale (const char *locale) NOTHROW
49	{	80	{
50	void *p = malloc (s);	81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
51		84
52	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.begin (); cc < v.end (); cc++)
		109	if (cc->c1 == c1 && cc->c2 == c2)
		110	return COMPOSE_LO + (cc - v.begin ());
		111
		112	// allocate a new combination
		113	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		114	{
		115	static int seen;
		116
		117	if (!seen++)
		118	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
		119
		120	return REPLACEMENT_CHAR;
		121	}
		122
		123	v.push_back (compose_char (c1, c2));
		124
		125	return v.size () - 1 + COMPOSE_LO;
		126	}
		127
		128	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		129	{
		130	compose_char *cc = (*this)[c];
		131
		132	if (!cc)
		133	{
		134	if (r) *r = c;
		135	return 1;
		136	}
		137
		138	int len = expand (cc->c1, r);
		139
		140	if (r) r += len;
		141
		142	if (cc->c2 != NOCHAR)
		143	{
		144	len++;
		145	if (r) *r++ = cc->c2;
		146	}
		147
53	return p;	148	return len;
54	}
55		149
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	150	}
		151	#endif
61		152
62	rxvt_term::rxvt_term ()	153	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	154	{
		155	#if HAVE_BG_PIXMAP
		156	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		157	#endif
64	#ifdef CURSOR_BLINK	158	#ifdef CURSOR_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	159	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
66	#endif	160	#endif
67	x_ev (this, &rxvt_term::x_cb)	161	#ifdef TEXT_BLINK
68	{	162	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		163	#endif
		164	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		165	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		166	#endif
		167	#ifdef SELECTION_SCROLLING
		168	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		169	#endif
		170	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		171	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		172	#endif
		173	#if BG_IMAGE_FROM_ROOT || ENABLE_PERL
		174	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		175	#endif
		176	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		177	#if USE_XIM
		178	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
		179	#endif
		180	#ifdef POINTER_BLANK
		181	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
		182	#endif
		183	#ifndef NO_BELL
		184	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		185	#endif
		186	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		187	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		188	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		189	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		190	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		191	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		192
69	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	193	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		194
		195	termlist.push_back (this);
		196
		197	#ifdef KEYSYM_RESOURCE
		198	keyboard = new keyboard_manager;
		199	#endif
		200	}
		201
		202	// clean up the most important stuff, do *not* call x or free mem etc.
		203	// for use before an emergency exit
		204	void
		205	rxvt_term::emergency_cleanup ()
		206	{
		207	if (cmd_pid)
		208	kill (-cmd_pid, SIGHUP);
		209
		210	pty_ev.stop ();
		211	delete pty; pty = 0;
70	}	212	}
71		213
72	rxvt_term::~rxvt_term ()	214	rxvt_term::~rxvt_term ()
73	{	215	{
74	delete PixColors;	216	termlist.erase (find (termlist.begin (), termlist.end(), this));
75	}
76		217
77	/*----------------------------------------------------------------------*/	218	emergency_cleanup ();
78	/* rxvt_init() */
79	/* LIBPROTO */
80	rxvt_t
81	rxvt_init(int argc, const char *const *argv)
82	{
83	SET_R(new rxvt_term);
84	dR;
85		219
86	if (!R->init_vars () || !R->init (argc, argv))	220	#if ENABLE_STYLES
87	{	221	for (int i = RS_styleCount; --i; )
88	delete R;	222	if (fontset[i] != fontset[0])
89	return NULL;	223	delete fontset[i];
		224	#endif
		225	delete fontset[0];
		226
		227	#ifdef HAVE_BG_PIXMAP
		228	bg_destroy ();
		229	#endif
		230
		231	#if HAVE_IMG
		232	delete bg_img;
		233	#endif
		234
		235	if (display)
90	}	236	{
		237	selection_clear ();
		238	selection_clear (true);
91		239
		240	#if USE_XIM
		241	im_destroy ();
		242	#endif
		243	scrollBar.destroy ();
		244
		245	if (gc)
		246	XFreeGC (dpy, gc);
		247
		248	delete drawable;
		249
		250	// destroy all windows
		251	if (parent)
		252	XDestroyWindow (dpy, parent);
		253
		254	for (int i = 0; i < TOTAL_COLORS; i++)
		255	if (ISSET_PIXCOLOR (i))
		256	{
		257	pix_colors_focused [i].free (this);
		258	#if OFF_FOCUS_FADING
		259	pix_colors_unfocused [i].free (this);
		260	#endif
		261	}
		262
		263	clear ();
		264
		265	display->flush (); /* ideally .put should do this */
		266	displays.put (display);
		267	}
		268
		269	scr_release ();
		270
		271	/* clear all resources */
		272	for (int i = 0; i < allocated.size (); i++)
		273	free (allocated [i]);
		274
		275	free (selection.text);
		276	free (selection.clip_text);
		277	free (locale);
		278	free (v_buffer);
		279
		280	delete selection_req;
		281
		282	if (memcmp (env, envv->begin (), envv->size () * sizeof (char *)))
		283	rxvt_warn ("env has been modified, probably as a result of a lib calling setenv.\n");
		284
		285	delete env;
		286
		287	delete envv;
		288	delete argv;
		289
		290	#ifdef KEYSYM_RESOURCE
		291	delete keyboard;
		292	#endif
		293	#ifndef NO_RESOURCES
		294	XrmDestroyDatabase (option_db);
		295	#endif
		296	}
		297
		298	// child has exited, usually destroys
		299	void
		300	rxvt_term::child_cb (ev::child &w, int status)
		301	{
		302	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		303
		304	cmd_pid = 0;
		305
		306	if (!option (Opt_hold))
		307	destroy ();
		308	}
		309
		310	void
		311	rxvt_term::destroy ()
		312	{
		313	if (destroy_ev.is_active ())
92	return R;	314	return;
93	}
94		315
95	bool	316	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
96	rxvt_term::init (int argc, const char *const *argv)
97	{
98	dR;//TODO (scrollbar, setidle)
99		317
100	/*	318	#if ENABLE_OVERLAY
101	* Save and then give up any super-user privileges	319	scr_overlay_off ();
102	* If we need privileges in any area then we must specifically request it.
103	* We should only need to be root in these cases:
104	* 1. write utmp entries on some systems
105	* 2. chown tty on some systems
106	*/
107	rxvt_privileges (this, SAVE);
108	rxvt_privileges (this, IGNORE);
109
110	rxvt_init_secondary (this);
111
112	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
113
114	#if (MENUBAR_MAX)
115	rxvt_menubar_read (this, rs[Rs_menu]);
116	#endif	320	#endif
117	#ifdef HAVE_SCROLLBARS
118	if (Options & Opt_scrollBar)
119	scrollbar_setIdle (); /* set existence for size calculations */
120	#endif
121		321
122	rxvt_Create_Windows (this, argc, argv);	322	if (display)
123
124	rxvt_init_xlocale (this);
125
126	rxvt_scr_reset (this); /* initialize screen */
127	#ifdef RXVT_GRAPHICS
128	rxvt_Gr_reset (this); /* reset graphics */
129	#endif
130
131	#if 0
132	#ifdef DEBUG_X
133	XSynchronize(Xdisplay, True);
134	XSetErrorHandler((XErrorHandler) abort);
135	#else
136	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
137	#endif
138	#endif
139
140	#ifdef HAVE_SCROLLBARS
141	if (Options & Opt_scrollBar)
142	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
143	#endif
144	#if (MENUBAR_MAX)
145	if (menubar_visible(r))
146	XMapWindow (Xdisplay, menuBar.win);
147	#endif
148	#ifdef TRANSPARENT
149	if (Options & Opt_transparent)
150	{
151	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
152	rxvt_check_our_parents (this);
153	}	323	{
		324	#if USE_XIM
		325	im_ev.stop (display);
154	#endif	326	#endif
155	XMapWindow (Xdisplay, TermWin.vt);	327	scrollbar_ev.stop (display);
156	XMapWindow (Xdisplay, TermWin.parent[0]);	328	#if BG_IMAGE_FROM_ROOT || ENABLE_PERL
157		329	rootwin_ev.stop (display);
158	rxvt_init_env (this);
159	rxvt_init_command (this, cmd_argv);
160
161	x_ev.start (Xfd, EVENT_READ);
162	pty_ev.start (cmd_fd, EVENT_READ);
163
164	return true;
165	}
166
167	/* ------------------------------------------------------------------------- *
168	* SIGNAL HANDLING & EXIT HANDLER *
169	* ------------------------------------------------------------------------- */
170	/*
171	* Catch a SIGCHLD signal and exit if the direct child has died
172	*/
173	/* ARGSUSED */
174	/* EXTPROTO */
175	RETSIGTYPE
176	rxvt_Child_signal(int sig __attribute__ ((unused)))
177	{
178	dR;
179	int pid, save_errno = errno;
180
181	do {
182	errno = 0;
183	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
184
185	if (pid == R->cmd_pid)
186	exit(EXIT_SUCCESS);
187
188	errno = save_errno;
189	signal(SIGCHLD, rxvt_Child_signal);
190	}
191
192	/*
193	* Catch a fatal signal and tidy up before quitting
194	*/
195	/* EXTPROTO */
196	RETSIGTYPE
197	rxvt_Exit_signal(int sig)
198	{
199	signal(sig, SIG_DFL);
200	#ifdef DEBUG_CMD
201	rxvt_print_error("signal %d", sig);
202	#endif	330	#endif
203	rxvt_clean_exit();	331	termwin_ev.stop (display);
204	kill(getpid(), sig);	332	vt_ev.stop (display);
205	}
206
207	/* ARGSUSED */
208	/* INTPROTO */
209	int
210	rxvt_xerror_handler(const Display * display
211	__attribute__ ((unused)), const XErrorEvent * event)
212	{
213	dR;
214
215	if (R->allowedxerror == -1) {
216	R->allowedxerror = event->error_code;
217	return 0; /* ignored anyway */
218	}	333	}
219	rxvt_print_error("XError: Request: %d . %d, Error: %d",	334
220	event->request_code, event->minor_code,	335	flush_ev.stop ();
221	event->error_code);	336	pty_ev.stop ();
222	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	337	#ifdef CURSOR_BLINK
223	exit(EXIT_FAILURE);	338	cursor_blink_ev.stop ();
224	/* NOTREACHED */	339	#endif
		340	#ifdef TEXT_BLINK
		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 ();
		348	#endif
		349	#ifdef POINTER_BLANK
		350	pointer_ev.stop ();
		351	#endif
		352
		353	destroy_ev.start ();
		354	}
		355
		356	void
		357	rxvt_term::destroy_cb (ev::idle &w, int revents)
		358	{
		359	make_current ();
		360
		361	delete this;
		362	}
		363
		364	void
		365	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
		366	{
		367	if (!opt)
		368	return;
		369
		370	uint8_t mask = 1 << (opt & 7);
		371	uint8_t &val = options [opt >> 3];
		372
		373	val = val & ~mask | (set ? mask : 0);
225	}	374	}
226		375
227	/*----------------------------------------------------------------------*/	376	/*----------------------------------------------------------------------*/
228	/*	377	/*
229	* Exit gracefully, clearing the utmp entry and restoring tty attributes	378	* Exit gracefully, clearing the utmp entry and restoring tty attributes
230	* TODO: if debugging, this should free up any known resources if we can
231	*/	379	*/
232	/* EXTPROTO */	380	static XErrorHandler old_xerror_handler;
233	void
234	rxvt_clean_exit(void)
235	{
236	dR;
237		381
238	#ifdef DEBUG_SCREEN	382	static void
239	rxvt_scr_release(aR);	383	rxvt_emergency_cleanup ()
		384	{
		385	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		386	(*t)->emergency_cleanup ();
		387	}
		388
		389	#if !ENABLE_MINIMAL
		390	static void ecb_cold
		391	print_x_error (Display *dpy, XErrorEvent *event)
		392	{
		393	char buffer[BUFSIZ];
		394	char mesg[BUFSIZ];
		395	char number[32];
		396
		397	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		398
		399	XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
		400	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
		401
		402	XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
		403	XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
		404	rxvt_warn ("+ %s: %s\n", mesg, buffer);
		405
		406	XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		407	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
		408
		409	if (event->request_code >= 128)
		410	{
		411	#if 0
		412	/* XListExtensions and probably query extensions hangs when there are multiple queues errors */
		413	int nexts;
		414	char **exts = XListExtensions (dpy, &nexts);
		415
		416	while (nexts)
		417	{
		418	char *extname = exts [nexts - 1];
		419	int major, first_event, first_error;
		420
		421	if (XQueryExtension (dpy, extname, &major, &first_event, &first_error) && major == event->request_code)
		422	{
		423	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		424	rxvt_warn ("+ (which is extension %s minor code %d)\n", extname, event->minor_code);
		425
		426	snprintf (buffer, BUFSIZ, "%s.%d", extname, event->minor_code);
		427	XGetErrorDatabaseText (dpy, "XRequest", buffer, "an unregistered minor code", buffer, BUFSIZ);
		428	rxvt_warn ("+ (which is %s)\n", buffer);
		429
		430	break;
		431	}
		432
		433	printf ("nextss %d %s\n", nexts, extname);//D
		434	--nexts;
		435	++exts;
		436	}
		437	#else
		438	int nexts = 0;
		439	char **exts = 0;
240	#endif	440	#endif
241	#ifndef NO_SETOWNER_TTYDEV	441
242	rxvt_privileged_ttydev(aR_ RESTORE);	442	if (!nexts)
		443	{
		444	rxvt_warn ("+ (which is an unknown extension)\n", buffer);
		445
		446	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		447	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
		448
		449	#if 0
		450	sprintf (number, "RENDER.%d", event->minor_code);
		451	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		452	rxvt_warn ("+ (which is %s)\n", buffer);
243	#endif	453	#endif
244	#ifdef UTMP_SUPPORT	454	}
245	rxvt_privileged_utmp(aR_ RESTORE);	455
246	#endif	456	XFreeExtensionList (exts);
247	#ifdef USE_XIM
248	if (R->Input_Context != NULL) {
249	XDestroyIC(R->Input_Context);
250	R->Input_Context = NULL;
251	}	457	}
252	#endif
253	}
254
255	/* ------------------------------------------------------------------------- *
256	* MEMORY ALLOCATION WRAPPERS *
257	* ------------------------------------------------------------------------- */
258	/* EXTPROTO */
259	void *
260	rxvt_malloc(size_t size)
261	{
262	void *p;
263
264	p = malloc(size);
265	if (p)
266	return p;
267
268	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
269	rxvt_clean_exit();
270	exit(EXIT_FAILURE);
271	/* NOTREACHED */
272	}
273
274	/* EXTPROTO */
275	void *
276	rxvt_calloc(size_t number, size_t size)
277	{
278	void *p;
279
280	p = calloc(number, size);
281	if (p)
282	return p;
283
284	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
285	rxvt_clean_exit();
286	exit(EXIT_FAILURE);
287	/* NOTREACHED */
288	}
289
290	/* EXTPROTO */
291	void *
292	rxvt_realloc(void *ptr, size_t size)
293	{
294	void *p;
295
296	if (ptr)
297	p = realloc(ptr, size);
298	else	458	else
299	p = malloc(size);	459	{
300	if (p)	460	sprintf (number, "%d", event->request_code);
301	return p;	461	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		462	rxvt_warn ("+ (which is %s)\n", buffer);
		463	}
302		464
303	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	465	if (event->error_code == BadWindow
304	rxvt_clean_exit();	466	|| event->error_code == BadPixmap
		467	|| event->error_code == BadCursor
		468	|| event->error_code == BadFont
		469	|| event->error_code == BadDrawable
		470	|| event->error_code == BadColor
		471	|| event->error_code == BadGC
		472	|| event->error_code == BadIDChoice
		473	|| event->error_code == BadValue
		474	|| event->error_code == BadAtom)
		475	{
		476	if (event->error_code == BadValue)
		477	XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
		478	else if (event->error_code == BadAtom)
		479	XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
		480	else
		481	XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
		482
		483	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
		484	}
		485	}
		486	#endif
		487
		488	int ecb_cold
		489	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		490	{
		491	if (GET_R->allowedxerror == -1)
		492	GET_R->allowedxerror = event->error_code;
		493	else
		494	{
		495	// GET_R is most likely not the terminal which caused the error,
		496	// so just output the error and continue
		497	#if ENABLE_MINIMAL
		498	old_xerror_handler (display, event);
		499	#else
		500	print_x_error (display, event);
		501	#endif
		502	}
		503
		504	return 0;
		505	}
		506
		507	int ecb_cold
		508	rxvt_xioerror_handler (Display *display)
		509	{
		510	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		511	DisplayString (display));
		512	rxvt_emergency_cleanup ();
305	exit(EXIT_FAILURE);	513	_exit (EXIT_FAILURE);
306	/* NOTREACHED */
307	}	514	}
308		515
309	/* ------------------------------------------------------------------------- *	516	static struct sig_handlers
310	* PRIVILEGED OPERATIONS *
311	* ------------------------------------------------------------------------- */
312	/* take care of suid/sgid super-user (root) privileges */
313	/* INTPROTO */
314	void
315	rxvt_privileges(pR_ int mode)
316	{	517	{
317	#if ! defined(__CYGWIN32__)	518	ev::sig sw_term, sw_int;
318	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	519
319	/* setreuid() is the poor man's setuid(), seteuid() */	520	/*
320	# define seteuid(a) setreuid(-1, (a))	521	* Catch a fatal signal and tidy up before quitting
321	# define setegid(a) setregid(-1, (a))	522	*/
322	# define HAVE_SETEUID	523	void sig_term (ev::sig &w, int revents);
		524
		525	sig_handlers ()
		526	{
		527	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		528	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
		529	}
		530	} sig_handlers;
		531
		532	void
		533	sig_handlers::sig_term (ev::sig &w, int revents)
		534	{
		535	rxvt_emergency_cleanup ();
		536	w.stop ();
		537	kill (getpid (), w.signum);
		538	}
		539
		540	static void
		541	rxvt_get_ttymode (struct termios *tio)
		542	{
		543	if (tcgetattr (STDIN_FILENO, tio) < 0)
		544	memset (tio, 0, sizeof (struct termios));
		545
		546	for (int i = 0; i < NCCS; i++)
		547	tio->c_cc[i] = VDISABLE;
		548
		549	tio->c_cc[VINTR] = CINTR;
		550	tio->c_cc[VQUIT] = CQUIT;
		551	tio->c_cc[VERASE] = CERASE;
		552	#ifdef VERASE2
		553	tio->c_cc[VERASE2] = CERASE2;
		554	#endif
		555	tio->c_cc[VKILL] = CKILL;
		556	tio->c_cc[VEOF] = CEOF;
		557	tio->c_cc[VSTART] = CSTART;
		558	tio->c_cc[VSTOP] = CSTOP;
		559	tio->c_cc[VSUSP] = CSUSP;
		560	# ifdef VDSUSP
		561	tio->c_cc[VDSUSP] = CDSUSP;
323	# endif	562	# endif
324	# ifdef HAVE_SETEUID	563	# ifdef VREPRINT
325	switch (mode) {	564	tio->c_cc[VREPRINT] = CRPRNT;
326	case IGNORE:
327	/*
328	* change effective uid/gid - not real uid/gid - so we can switch
329	* back to root later, as required
330	*/
331	seteuid(getuid());
332	setegid(getgid());
333	break;
334	case SAVE:
335	R->euid = geteuid();
336	R->egid = getegid();
337	break;
338	case RESTORE:
339	seteuid(R->euid);
340	setegid(R->egid);
341	break;
342	}
343	# else
344	switch (mode) {
345	case IGNORE:
346	setuid(getuid());
347	setgid(getgid());
348	/* FALLTHROUGH */
349	case SAVE:
350	/* FALLTHROUGH */
351	case RESTORE:
352	break;
353	}
354	# endif	565	# endif
355	#endif	566	# ifdef VDISCRD
356	}	567	tio->c_cc[VDISCRD] = CFLUSH;
357
358	#ifdef UTMP_SUPPORT
359	/* EXTPROTO */
360	void
361	rxvt_privileged_utmp(pR_ char action)
362	{
363	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
364	action, R->next_utmp_action, getpid()));
365	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
366	|| (R->Options & Opt_utmpInhibit)
367	|| R->ttydev == NULL || *R->ttydev == '\0')
368	return;
369
370	rxvt_privileges(aR_ RESTORE);
371	if (action == SAVE) {
372	R->next_utmp_action = RESTORE;
373	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
374	} else { /* action == RESTORE */
375	R->next_utmp_action = IGNORE;
376	rxvt_cleanutent(aR);
377	}
378	rxvt_privileges(aR_ IGNORE);
379	}
380	#endif
381
382	#ifndef NO_SETOWNER_TTYDEV
383	/* EXTPROTO */
384	void
385	rxvt_privileged_ttydev(pR_ char action)
386	{
387	D_MAIN((stderr,
388	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
389	action, R->next_tty_action, getpid()));
390	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
391	|| R->ttydev == NULL || *R->ttydev == '\0')
392	return;
393
394	rxvt_privileges(aR_ RESTORE);
395
396	if (action == SAVE) {
397	R->next_tty_action = RESTORE;
398	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
399	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
400	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
401	R->next_tty_action = IGNORE;
402	else
403	# endif	568	# endif
404	{	569	# ifdef VWERSE
405	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	570	tio->c_cc[VWERSE] = CWERASE;
406	chmod(R->ttydev, R->ttymode);
407	# ifdef HAVE_REVOKE
408	revoke(R->ttydev);
409	# endif	571	# endif
410	}	572	# ifdef VLNEXT
411	} else { /* action == RESTORE */	573	tio->c_cc[VLNEXT] = CLNEXT;
412	R->next_tty_action = IGNORE;
413	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
414	chmod(R->ttydev, R->ttyfd_stat.st_mode);
415	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
416	# else
417	chmod(R->ttydev,
418	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
419	chown(R->ttydev, 0, 0);
420	# endif	574	# endif
421	}	575	# ifdef VSTATUS
422		576	tio->c_cc[VSTATUS] = CSTATUS;
423	rxvt_privileges(aR_ IGNORE);
424
425	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
426	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
427	action == RESTORE ? "Restoring" : (action ==
428	SAVE ? "Saving" :
429	"UNKNOWN ERROR for"), R->ttydev,
430	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
431	R->ttyfd_stat.st_gid));
432	# endif	577	# endif
433	}	578
		579	# if VMIN != VEOF
		580	tio->c_cc[VMIN] = 1;
434	#endif	581	# endif
		582	# if VTIME != VEOL
		583	tio->c_cc[VTIME] = 0;
		584	# endif
		585
		586	/* input modes */
		587	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		588	# ifdef IMAXBEL
		589	| IMAXBEL
		590	# endif
		591	| IXON);
		592
		593	/* output modes */
		594	tio->c_oflag = (OPOST | ONLCR);
		595
		596	/* control modes */
		597	tio->c_cflag = (CS8 | CREAD);
		598
		599	/* local modes */
		600	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		601	# if defined (ECHOCTL) && defined (ECHOKE)
		602	| ECHOCTL | ECHOKE
		603	# endif
		604	| ECHOE | ECHOK);
		605	}
		606
		607	char **rxvt_environ; // startup environment
		608
		609	void
		610	rxvt_init ()
		611	{
		612	assert (("fontMask must not overlap other RS masks",
		613	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		614
		615	rxvt_get_ttymode (&rxvt_term::def_tio);
		616
		617	// get rid of stdin/stdout as we don't need them, to free resources
		618	dup2 (STDERR_FILENO, STDIN_FILENO);
		619	dup2 (STDERR_FILENO, STDOUT_FILENO);
		620
		621	if (!ev_default_loop ())
		622	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		623
		624	rxvt_environ = environ;
		625
		626	signal (SIGHUP, SIG_IGN);
		627	signal (SIGPIPE, SIG_IGN);
		628
		629	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		630	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		631
		632	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		633	// TODO: handle this with exceptions and tolerate the memory loss
		634	XSetIOErrorHandler (rxvt_xioerror_handler);
		635
		636	XrmInitialize ();
		637
		638	#if HAVE_PIXBUF
		639	g_type_init ();
		640	#endif
		641	}
435		642
436	/*----------------------------------------------------------------------*/	643	/*----------------------------------------------------------------------*/
437	/*	644	/*
438	* window size/position calculcations for XSizeHint and other storage.	645	* window size/position calculations for XSizeHint and other storage.
439	* if width/height are non-zero then override calculated width/height	646	* if width/height are non-zero then override calculated width/height
440	*/	647	*/
441	/* EXTPROTO */
442	void	648	void
443	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	649	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
444	{	650	{
445	short recalc_x, recalc_y;	651	short recalc_x, recalc_y;
446	int x, y, sb_w, mb_h, flags;	652	int x, y, flags;
447	unsigned int w, h;	653	unsigned int w, h;
448	unsigned int max_width, max_height;	654	unsigned int max_width, max_height;
449		655
450	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
451	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
452	R->szHint.height));
453	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	656	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
454	R->szHint.win_gravity = NorthWestGravity;	657	szHint.win_gravity = NorthWestGravity;
455	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	658	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
456		659
457	recalc_x = recalc_y = 0;	660	recalc_x = recalc_y = 0;
458	flags = 0;	661	flags = 0;
		662
459	if (!R->parsed_geometry) {	663	if (!parsed_geometry)
		664	{
460	R->parsed_geometry = 1;	665	parsed_geometry = 1;
		666
461	if (R->rs[Rs_geometry])	667	if (rs[Rs_geometry])
462	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	668	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		669
463	if (flags & WidthValue) {	670	if (flags & WidthValue)
464	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	671	{
		672	if (!w)
		673	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		674
		675	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
465	R->szHint.flags |= USSize;	676	szHint.flags |= USSize;
466	}	677	}
		678
467	if (flags & HeightValue) {	679	if (flags & HeightValue)
468	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	680	{
		681	if (!h)
		682	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		683
		684	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
469	R->szHint.flags |= USSize;	685	szHint.flags |= USSize;
470	}	686	}
		687
471	if (flags & XValue) {	688	if (flags & XValue)
		689	{
472	R->szHint.x = x;	690	szHint.x = x;
473	R->szHint.flags |= USPosition;	691	szHint.flags |= USPosition;
		692
474	if (flags & XNegative) {	693	if (flags & XNegative)
		694	{
475	recalc_x = 1;	695	recalc_x = 1;
476	R->szHint.win_gravity = NorthEastGravity;	696	szHint.win_gravity = NorthEastGravity;
477	}	697	}
478	}	698	}
		699
479	if (flags & YValue) {	700	if (flags & YValue)
		701	{
480	R->szHint.y = y;	702	szHint.y = y;
481	R->szHint.flags |= USPosition;	703	szHint.flags |= USPosition;
		704
482	if (flags & YNegative) {	705	if (flags & YNegative)
		706	{
483	recalc_y = 1;	707	recalc_y = 1;
		708
484	if (R->szHint.win_gravity == NorthEastGravity)	709	if (szHint.win_gravity == NorthEastGravity)
485	R->szHint.win_gravity = SouthEastGravity;	710	szHint.win_gravity = SouthEastGravity;
486	else	711	else
487	R->szHint.win_gravity = SouthWestGravity;	712	szHint.win_gravity = SouthWestGravity;
488	}	713	}
489	}	714	}
490	}	715	}
		716
491	/* TODO: BOUNDS */	717	/* TODO: BOUNDS */
492	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	718	width = ncol * fwidth;
493	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	719	height = nrow * fheight;
494	max_width = MAX_COLS * R->TermWin.fwidth;	720	max_width = MAX_COLS * fwidth;
495	max_height = MAX_ROWS * R->TermWin.fheight;	721	max_height = MAX_ROWS * fheight;
496		722
497	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	723	szHint.base_width = szHint.base_height = 2 * int_bwidth;
498		724
499	sb_w = mb_h = 0;
500	R->window_vt_x = R->window_vt_y = 0;	725	window_vt_x = window_vt_y = int_bwidth;
501	if (scrollbar_visible(R)) {	726
		727	if (scrollBar.state)
		728	{
502	sb_w = scrollbar_TotalWidth();	729	int sb_w = scrollBar.total_width ();
503	R->szHint.base_width += sb_w;	730	szHint.base_width += sb_w;
		731
504	if (!(R->Options & Opt_scrollBar_right))	732	if (!option (Opt_scrollBar_right))
505	R->window_vt_x = sb_w;	733	window_vt_x += sb_w;
506	}	734	}
507	if (menubar_visible(R)) {	735
508	mb_h = menuBar_TotalHeight();
509	R->szHint.base_height += mb_h;
510	R->window_vt_y = mb_h;
511	}
512	R->szHint.width_inc = R->TermWin.fwidth;	736	szHint.width_inc = fwidth;
513	R->szHint.height_inc = R->TermWin.fheight;	737	szHint.height_inc = fheight;
514	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	738	szHint.min_width = szHint.base_width + szHint.width_inc;
515	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	739	szHint.min_height = szHint.base_height + szHint.height_inc;
516		740
517	if (width && width - R->szHint.base_width < max_width) {	741	if (newwidth && newwidth - szHint.base_width < max_width)
		742	{
518	R->szHint.width = width;	743	szHint.width = newwidth;
519	R->TermWin.width = width - R->szHint.base_width;	744	width = newwidth - szHint.base_width;
520	} else {	745	}
521	MIN_IT(R->TermWin.width, max_width);	746	else
		747	{
		748	min_it (width, max_width);
522	R->szHint.width = R->szHint.base_width + R->TermWin.width;	749	szHint.width = szHint.base_width + width;
523	}	750	}
		751
524	if (height && height - R->szHint.base_height < max_height) {	752	if (newheight && newheight - szHint.base_height < max_height)
		753	{
525	R->szHint.height = height;	754	szHint.height = newheight;
526	R->TermWin.height = height - R->szHint.base_height;	755	height = newheight - szHint.base_height;
527	} else {	756	}
528	MIN_IT(R->TermWin.height, max_height);	757	else
		758	{
		759	min_it (height, max_height);
529	R->szHint.height = R->szHint.base_height + R->TermWin.height;	760	szHint.height = szHint.base_height + height;
530	}	761	}
531	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
532	R->window_sb_x = R->szHint.width - sb_w;
533		762
534	if (recalc_x)	763	if (recalc_x)
535	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	764	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
536	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	765
537	if (recalc_y)	766	if (recalc_y)
538	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	767	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
539	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
540		768
541	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	769	ncol = width / fwidth;
542	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	770	nrow = height / fheight;
543	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	771
544	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	772	// When the size of the vt window is not a multiple of the cell
545	R->szHint.height));	773	// size, i.e., when the wm does not honour our size hints, there are
546	return;	774	// extra areas not covered by the terminal screen. Such gaps, when a
		775	// bg pixmap is set, would have to be cleared manually to properly
		776	// refresh the background. We take the simpler route and shrink the
		777	// vt window so as to avoid creating gaps.
		778	vt_width = ncol * fwidth;
		779	vt_height = nrow * fheight;
547	}	780	}
548		781
549	/*----------------------------------------------------------------------*/	782	/*----------------------------------------------------------------------*/
550	/*	783	/*
551	* Tell the teletype handler what size the window is.	784	* Tell the teletype handler what size the window is.
552	* Called after a window size change.	785	* Called after a window size change.
553	*/	786	*/
554	/* EXTPROTO */
555	void	787	void
556	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	788	rxvt_term::tt_winch ()
557	{	789	{
		790	if (pty->pty < 0)
		791	return;
		792
558	struct winsize ws;	793	struct winsize ws;
559		794
560	if (fd < 0)
561	return;
562	ws.ws_col = col;	795	ws.ws_col = ncol;
563	ws.ws_row = row;	796	ws.ws_row = nrow;
564	ws.ws_xpixel = ws.ws_ypixel = 0;	797	ws.ws_xpixel = vt_width;
565	#ifndef DEBUG_SIZE	798	ws.ws_ypixel = vt_height;
566	(void)ioctl(fd, TIOCSWINSZ, &ws);	799	ioctl (pty->pty, TIOCSWINSZ, &ws);
		800
		801	#if 0
		802	// TIOCSWINSZ is supposed to do this automatically and correctly
		803	if (cmd_pid) /* force through to the command */
		804	kill (-cmd_pid, SIGWINCH);
		805	#endif
		806	}
		807
		808	/*----------------------------------------------------------------------*/
		809	/* load and set the various fonts */
		810	bool
		811	rxvt_term::set_fonts ()
		812	{
		813	rxvt_fontset *fs = new rxvt_fontset (this);
		814	rxvt_fontprop prop;
		815
		816	if (!fs
		817	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		818	|| !fs->realize_font (1))
		819	{
		820	delete fs;
		821	return false;
		822	}
		823
		824	#if ENABLE_STYLES
		825	for (int i = RS_styleCount; --i; )
		826	if (fontset[i] != fontset[0])
		827	delete fontset[i];
		828	#endif
		829
		830	delete fontset[0];
		831	fontset[0] = fs;
		832
		833	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		834	prop.width = max (prop.width + letterSpace, 1);
		835
		836	fs->set_prop (prop, false);
		837
		838	fwidth = prop.width;
		839	fheight = prop.height + lineSpace;
		840	fbase = prop.ascent;
		841
		842	for (int style = 1; style < 4; style++)
		843	{
		844	#if ENABLE_STYLES
		845	const char *res = rs[Rs_font + style];
		846
		847	if (res && !*res)
		848	fontset[style] = fontset[0];
		849	else
		850	{
		851	fontset[style] = fs = new rxvt_fontset (this);
		852	rxvt_fontprop prop2 = prop;
		853
		854	if (res)
		855	{
		856	fs->populate (res);
		857	fs->set_prop (prop2, false);
		858	}
		859	else
		860	{
		861	fs->populate (fontset[0]->fontdesc);
		862
		863	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		864	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		865
		866	fs->set_prop (prop2, true);
		867	}
		868
		869	}
567	#else	870	#else
568	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	871	fontset[style] = fontset[0];
569	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
570	}
571	# ifdef SIGWINCH
572	else if (pid) /* force through to the command */
573	kill(pid, SIGWINCH);
574	# endif	872	#endif
575	#endif	873	}
576	}
577		874
578	/*----------------------------------------------------------------------*/	875	if (parent)
579	/* rxvt_change_font() - Switch to a new font */	876	{
580	/*	877	resize_all_windows (0, 0, 0);
581	* init = 1 - initialize	878	scr_remap_chars ();
582	*	879	scr_touch (true);
583	* fontname == FONT_UP - switch to bigger font	880	}
584	* fontname == FONT_DN - switch to smaller font
585	*/
586	/* EXTPROTO */
587	void
588	rxvt_change_font(pR_ int init, const char *fontname)
589	{
590	}
591		881
592	/* INTPROTO */	882	return true;
		883	}
		884
593	void	885	void
594	rxvt_font_up_down(pR_ int n, int direction)	886	rxvt_term::set_string_property (Atom prop, const char *str, int len)
595	{	887	{
		888	XChangeProperty (dpy, parent,
		889	prop, XA_STRING, 8, PropModeReplace,
		890	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		891	}
		892
		893	void
		894	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		895	{
		896	XTextProperty ct;
		897
		898	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		899	{
		900	XSetTextProperty (dpy, parent, &ct, prop);
		901	XFree (ct.value);
		902	}
		903	}
		904
		905	void
		906	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		907	{
		908	wchar_t *ws = rxvt_mbstowcs (str, len);
		909	char *s = rxvt_wcstoutf8 (ws);
		910
		911	XChangeProperty (dpy, parent,
		912	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		913	(const unsigned char *)s, strlen (s));
		914
		915	free (s);
		916	free (ws);
596	}	917	}
597		918
598	/*----------------------------------------------------------------------*/	919	/*----------------------------------------------------------------------*/
599	/*----------------------------------------------------------------------*/	920	/*----------------------------------------------------------------------*/
600	/* xterm sequences - title, iconName, color (exptl) */	921	/* xterm sequences - title, iconName, color (exptl) */
601	/* EXTPROTO */
602	void	922	void
603	rxvt_set_title(pR_ const char *str)	923	rxvt_term::set_title (const char *str)
604	{	924	{
605	#ifndef SMART_WINDOW_TITLE	925	set_mbstring_property (XA_WM_NAME, str);
606	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	926	#if ENABLE_EWMH
607	#else	927	set_utf8_property (xa[XA_NET_WM_NAME], str);
608	char *name;
609
610	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
611	name = NULL;
612	if (name == NULL || STRCMP(name, str))
613	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
614	if (name)
615	XFree(name);
616	#endif	928	#endif
617	}	929	}
618		930
619	/* EXTPROTO */
620	void	931	void
621	rxvt_set_iconName(pR_ const char *str)	932	rxvt_term::set_icon_name (const char *str)
622	{	933	{
623	#ifndef SMART_WINDOW_TITLE	934	set_mbstring_property (XA_WM_ICON_NAME, str);
624	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	935	#if ENABLE_EWMH
625	#else	936	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
626	char *name;
627
628	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
629	name = NULL;
630	if (name == NULL || STRCMP(name, str))
631	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
632	if (name)
633	XFree(name);
634	#endif	937	#endif
635	}	938	}
636		939
		940	void
		941	rxvt_term::set_window_color (int idx, const char *color)
		942	{
637	#ifdef XTERM_COLOR_CHANGE	943	#ifdef XTERM_COLOR_CHANGE
638	/* EXTPROTO */
639	void
640	rxvt_set_window_color(pR_ int idx, const char *color)
641	{
642	rxvt_color xcol;	944	rxvt_color xcol;
643	int i;
644		945
645	if (color == NULL || *color == '\0')	946	if (color == NULL || *color == '\0')
646	return;	947	return;
647		948
		949	color = strdup (color);
		950	allocated.push_back ((void *)color);
		951	rs[Rs_color + idx] = color;
		952
648	/* handle color aliases */	953	/* handle color aliases */
649	if (isdigit(*color)) {	954	if (isdigit (*color))
		955	{
650	i = atoi(color);	956	int i = atoi (color);
651	if (i >= 8 && i <= 15) { /* bright colors */	957
652	i -= 8;	958	if (i >= 8 && i <= 15)
653	# ifndef NO_BRIGHTCOLOR	959	{
654	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	960	/* bright colors */
655	SET_PIXCOLOR(R, idx);	961	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
656	goto Done;	962	goto done;
657	# endif
658	}	963	}
659	if (i >= 0 && i <= 7) { /* normal colors */	964
660	R->PixColors[idx] = R->PixColors[minCOLOR + i];	965	if (i >= 0 && i <= 7)
661	SET_PIXCOLOR(R, idx);	966	{
		967	/* normal colors */
		968	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
662	goto Done;	969	goto done;
663	}	970	}
664	}	971	}
665	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
666	return;
667	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
668		972
669	/*	973	set_color (xcol, color);
		974
		975	/*
670	* FIXME: should free colors here, but no idea how to do it so instead,	976	* FIXME: should free colors here, but no idea how to do it so instead,
671	* so just keep gobbling up the colormap	977	* so just keep gobbling up the colormap
672	*/	978	*/
673	# if 0
674	for (i = Color_Black; i <= Color_White; i++)
675	if (R->PixColors[idx] == R->PixColors[i])
676	break;
677	if (i > Color_White) {
678	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
679	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
680	DisplayPlanes(R->Xdisplay, Xscreen));
681	}
682	# endif
683		979
684	R->PixColors[idx] = xcol;	980	pix_colors_focused[idx] = xcol;
685	SET_PIXCOLOR(R, idx);
686		981
687	/* XSetWindowAttributes attr; */	982	done:
688	/* Cursor cursor; */
689	Done:
690	if (idx == Color_bg && !(R->Options & Opt_transparent))
691	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
692	R->PixColors[Color_bg]);
693
694	/* handle Color_BD, scrollbar background, etc. */	983	/*TODO: handle Color_BD, scrollbar background, etc. */
695		984
696	rxvt_set_colorfgbg(aR);	985	update_fade_color (idx);
697	rxvt_recolour_cursor(aR);	986	recolour_cursor ();
698	/* the only reasonable way to enforce a clean update */	987	scr_recolour ();
699	rxvt_scr_poweron(aR);	988	#endif /* XTERM_COLOR_CHANGE */
700	}	989	}
701		990
702	#else
703	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
704	#endif /* XTERM_COLOR_CHANGE */
705
706	/* EXTPROTO */
707	void	991	void
708	rxvt_recolour_cursor(pR)	992	rxvt_term::recolour_cursor ()
709	{	993	{
710	rxvt_color xcol[2];	994	XColor fg, bg;
711		995
712	#if TODO	996	(ISSET_PIXCOLOR (Color_pointer_fg)
713	xcol[0] = R->PixColors[Color_pointer];	997	? pix_colors_focused[Color_pointer_fg]
714	xcol[1] = R->PixColors[Color_bg];	998	: pix_colors_focused[Color_fg]).get (fg);
715	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	999
716	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1000	(ISSET_PIXCOLOR (Color_pointer_bg)
717	#endif	1001	? pix_colors_focused[Color_pointer_bg]
		1002	: pix_colors_focused[Color_bg]).get (bg);
		1003
		1004	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
718	}	1005	}
719		1006
720	/*----------------------------------------------------------------------*/	1007	/*----------------------------------------------------------------------*/
721	/*	1008	/*
722	* find if fg/bg matches any of the normal (low-intensity) colors	1009	* find if fg/bg matches any of the normal (low-intensity) colors
723	*/	1010	*/
724	/* INTPROTO */	1011	char *
725	void
726	rxvt_set_colorfgbg(pR)	1012	rxvt_term::get_colorfgbg ()
727	{	1013	{
728	unsigned int i;	1014	unsigned int i;
729	const char *xpmb = "\0";	1015	const char *xpmb = "";
730	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1016	char fstr[] = "default";
		1017	char bstr[] = "default";
		1018	char *env_colorfgbg;
731		1019
732	R->env_colorfgbg =
733	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
734	STRCPY(fstr, "default");
735	STRCPY(bstr, "default");
736	for (i = Color_Black; i <= Color_White; i++)	1020	for (i = Color_Black; i <= Color_White; i++)
737	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1021	if (pix_colors[Color_fg] == pix_colors[i])
		1022	{
738	sprintf(fstr, "%d", (i - Color_Black));	1023	sprintf (fstr, "%d", i - Color_Black);
739	break;	1024	break;
740	}	1025	}
		1026
741	for (i = Color_Black; i <= Color_White; i++)	1027	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1028	if (pix_colors[Color_bg] == pix_colors[i])
		1029	{
743	sprintf(bstr, "%d", (i - Color_Black));	1030	sprintf (bstr, "%d", i - Color_Black);
744	#ifdef XPM_BACKGROUND	1031	#if BG_IMAGE_FROM_FILE
745	xpmb = "default;";	1032	xpmb = "default;";
746	#endif	1033	#endif
747	break;	1034	break;
748	}	1035	}
		1036
		1037	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
749	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1038	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
750	putenv(R->env_colorfgbg);	1039	return env_colorfgbg;
751
752	#ifndef NO_BRIGHTCOLOR
753	R->colorfgbg = DEFAULT_RSTYLE;
754	for (i = minCOLOR; i <= maxCOLOR; i++) {
755	if (R->PixColors[Color_fg] == R->PixColors[i])
756	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
757	if (R->PixColors[Color_bg] == R->PixColors[i])
758	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
759	}
760	#endif
761	}	1040	}
762		1041
763	/*----------------------------------------------------------------------*/	1042	/*----------------------------------------------------------------------*/
764	/*
765	* Colour determination for low colour displays, routine from
766	* Hans de Goede <hans@highrise.nl>
767	*/
768		1043
769	/* EXTPROTO */	1044	bool
770	int	1045	rxvt_term::set_color (rxvt_color &color, const char *name)
771	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
772	{	1046	{
773	screen_in_out->set(aR_ colour);	1047	if (color.set (this, name))
774
775	if (!screen_in_out->set(aR_ colour)) {
776	rxvt_print_error("can't allocate colour: %s", colour);
777	return false;
778	}
779
780	return true;	1048	return true;
		1049
		1050	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		1051	return false;
		1052	}
		1053
		1054	void
		1055	rxvt_term::alias_color (int dst, int src)
		1056	{
		1057	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
781	}	1058	}
782		1059
783	/* -------------------------------------------------------------------- *	1060	/* -------------------------------------------------------------------- *
784	* - WINDOW RESIZING - *	1061	* - WINDOW RESIZING - *
785	* -------------------------------------------------------------------- */	1062	* -------------------------------------------------------------------- */
786	/* EXTPROTO */
787	void	1063	void
788	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1064	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
789	int ignoreparent)
790	{	1065	{
791	int fix_screen;	1066	int fix_screen;
		1067	int old_width = szHint.width;
		1068	int old_height = szHint.height;
792		1069
		1070	window_calc (newwidth, newheight);
		1071
		1072	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1073
		1074	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1075	if (set_hint)
		1076	{
		1077	szHint.flags &= ~(PBaseSize | PResizeInc);
		1078	XSetWMNormalHints (dpy, parent, &szHint);
		1079	szHint.flags |= PBaseSize | PResizeInc;
		1080	}
		1081
		1082	if (!ignoreparent)
		1083	{
793	#ifdef SMART_RESIZE	1084	#ifdef SMART_RESIZE
794	int old_width = R->szHint.width, old_height = R->szHint.height;	1085	/*
795	#endif
796
797	rxvt_window_calc(aR_ width, height);
798	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
799	if (!ignoreparent) {
800	#ifdef SMART_RESIZE
801	/*
802	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1086	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
803	* reposition window on resize depending on placement on screen	1087	* reposition window on resize depending on placement on screen
804	*/	1088	*/
805	int x, y, x1, y1;	1089	int x, y, x1, y1;
806	int dx, dy;	1090	int dx, dy;
807	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1091	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
808	Window unused_cr;	1092	Window unused_cr;
809		1093
810	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1094	XTranslateCoordinates (dpy, parent, display->root,
811	0, 0, &x, &y, &unused_cr);	1095	0, 0, &x, &y, &unused_cr);
812	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1096	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
813	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1097	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
814	/*	1098	/*
815	* if Xroot isn't the parent window, a WM will probably have offset	1099	* if display->root isn't the parent window, a WM will probably have offset
816	* our position for handles and decorations. Counter it	1100	* our position for handles and decorations. Counter it
817	*/	1101	*/
818	if (x1 != x || y1 != y) {	1102	if (x1 != x || y1 != y)
		1103	{
819	x -= x1;	1104	x -= x1;
820	y -= y1;	1105	y -= y1;
821	}	1106	}
822		1107
823	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1108	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
824	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1109	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
825	dx = old_width - R->szHint.width;	1110	dx = old_width - szHint.width;
826	dy = old_height - R->szHint.height;	1111	dy = old_height - szHint.height;
827		1112
828	/* Check position of the center of the window */	1113	/* Check position of the center of the window */
829	if (x < x1) /* left half */	1114	if (x < x1) /* left half */
830	dx = 0;	1115	dx = 0;
831	else if (x == x1) /* exact center */	1116	else if (x == x1) /* exact center */
832	dx /= 2;	1117	dx /= 2;
833	if (y < y1) /* top half */	1118	if (y < y1) /* top half */
834	dy = 0;	1119	dy = 0;
835	else if (y == y1) /* exact center */	1120	else if (y == y1) /* exact center */
836	dy /= 2;	1121	dy /= 2;
837		1122
838	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1123	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
839	R->szHint.width, R->szHint.height);	1124	szHint.width, szHint.height);
840	#else	1125	#else
841	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1126	XResizeWindow (dpy, parent, szHint.width, szHint.height);
842	R->szHint.height);
843	#endif	1127	#endif
844	}	1128	}
845		1129
846	fix_screen = (R->TermWin.ncol != R->prev_ncol	1130	if (set_hint)
847	|| R->TermWin.nrow != R->prev_nrow);	1131	XSetWMNormalHints (dpy, parent, &szHint);
		1132
		1133	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1134
848	if (fix_screen || width != R->old_width || height != R->old_height) {	1135	if (fix_screen || newwidth != old_width || newheight != old_height)
849	if (scrollbar_visible(R)) {
850	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
851	0, scrollbar_TotalWidth(), R->szHint.height);
852	rxvt_Resize_scrollBar(aR);
853	}
854	if (menubar_visible(R))
855	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
856	0, TermWin_TotalWidth(), menuBar_TotalHeight());
857	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
858	R->window_vt_y, TermWin_TotalWidth(),
859	TermWin_TotalHeight());
860	#ifdef RXVT_GRAPHICS
861	if (R->old_height)
862	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
863	R->old_height - R->szHint.base_height);
864	#endif
865	rxvt_scr_clear(aR);
866	#ifdef XPM_BACKGROUND
867	rxvt_resize_pixmap(aR);
868	#endif
869	}	1136	{
		1137	if (scrollBar.state)
		1138	scrollBar.resize ();
870		1139
		1140	XMoveResizeWindow (dpy, vt,
		1141	window_vt_x, window_vt_y,
		1142	vt_width, vt_height);
		1143
		1144	HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1145
		1146	#ifdef HAVE_BG_PIXMAP
		1147	if (bg_window_size_sensitive ())
		1148	update_background ();
		1149	#endif
		1150	}
		1151
871	if (fix_screen || R->old_height == 0) {	1152	if (fix_screen || old_height == 0)
872	int curr_screen = -1;	1153	scr_reset ();
873	uint16_t old_ncol = R->prev_ncol;
874		1154
875	/* scr_reset only works on the primary screen */
876	if (R->old_height) /* this is not the first time through */
877	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
878	rxvt_scr_reset(aR);
879	if (curr_screen >= 0) { /* this is not the first time through */
880	rxvt_scr_change_screen(aR_ curr_screen);
881	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
882	}
883	}
884
885	R->old_width = R->szHint.width;
886	R->old_height = R->szHint.height;
887
888	#ifdef USE_XIM	1155	#if USE_XIM
889	rxvt_IMSetStatusPosition(aR);	1156	im_set_position ();
890	#endif	1157	#endif
891	}	1158	}
892		1159
893	/*	1160	/*
894	* Set the width/height of the vt window in characters. Units are pixels.	1161	* Set the width/height of the vt window in characters. Units are pixels.
895	* good for toggling 80/132 columns	1162	* good for toggling 80/132 columns
896	*/	1163	*/
897	/* EXTPROTO */
898	void	1164	void
899	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1165	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
900	{	1166	{
901	XWindowAttributes wattr;	1167	XWindowAttributes wattr;
902		1168
903	if (width == 0 || height == 0) {	1169	if (newwidth == 0 || newheight == 0)
		1170	{
904	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1171	XGetWindowAttributes (dpy, display->root, &wattr);
		1172
905	if (width == 0)	1173	if (newwidth == 0)
906	width = wattr.width - R->szHint.base_width;	1174	newwidth = wattr.width - szHint.base_width;
907	if (height == 0)	1175	if (newheight == 0)
908	height = wattr.height - R->szHint.base_height;	1176	newheight = wattr.height - szHint.base_height;
		1177	}
		1178
		1179	if (newwidth != vt_width || newheight != vt_height)
909	}	1180	{
910	if (width != R->TermWin.width || height != R->TermWin.height) {
911	width += R->szHint.base_width;	1181	newwidth += szHint.base_width;
912	height += R->szHint.base_height;	1182	newheight += szHint.base_height;
913	rxvt_resize_all_windows(aR_ width, height, 0);	1183	resize_all_windows (newwidth, newheight, 0);
914	}	1184	}
915	}	1185	}
916		1186
917	/* -------------------------------------------------------------------- *	1187	/* -------------------------------------------------------------------- *
918	* - X INPUT METHOD ROUTINES - *	1188	* - X INPUT METHOD ROUTINES - *
919	* -------------------------------------------------------------------- */	1189	* -------------------------------------------------------------------- */
920	#ifdef USE_XIM	1190	#if USE_XIM
921	/* INTPROTO */
922	void
923	rxvt_setSize(pR_ XRectangle * size)
924	{
925	size->x = R->TermWin.int_bwidth;
926	size->y = R->TermWin.int_bwidth;
927	size->width = Width2Pixel(R->TermWin.ncol);
928	size->height = Height2Pixel(R->TermWin.nrow);
929	}
930		1191
931	/* INTPROTO */
932	void	1192	void
933	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1193	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
934	{	1194	{
935	*fg = R->PixColors[Color_fg];	1195	fg = pix_colors [Color_fg];
936	*bg = R->PixColors[Color_bg];	1196	bg = pix_colors [Color_bg];
		1197	}
		1198
		1199	void
		1200	rxvt_term::im_set_size (XRectangle &size)
		1201	{
		1202	// the int_bwidth terms make no sense to me
		1203	size.x = int_bwidth;
		1204	size.y = int_bwidth;
		1205	size.width = Width2Pixel (ncol) + int_bwidth;
		1206	size.height = Height2Pixel (nrow) + int_bwidth;
		1207	}
		1208
		1209	void
		1210	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1211	XRectangle &status_rect,
		1212	const XRectangle &needed_rect)
		1213	{
		1214	preedit_rect.x = needed_rect.width;
		1215	preedit_rect.y = 0;
		1216	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1217	preedit_rect.height = fheight;
		1218
		1219	status_rect.x = 0;
		1220	status_rect.y = 0;
		1221	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1222	status_rect.height = fheight;
937	}	1223	}
938		1224
939	/* Checking whether input method is running. */	1225	/* Checking whether input method is running. */
940	/* INTPROTO */
941	Bool	1226	bool
942	rxvt_IMisRunning(pR)	1227	rxvt_term::im_is_running ()
943	{	1228	{
944	char *p;	1229	Atom atom;
945	Atom atom;	1230	Window win;
946	Window win;
947	char server[IMBUFSIZ];	1231	char server[IMBUFSIZ];
948		1232
949	/* get current locale modifier */	1233	/* get current locale modifier */
950	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1234	if (char *p = XSetLocaleModifiers (0))
		1235	{
951	STRCPY(server, "@server=");	1236	strcpy (server, "@server=");
952	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1237	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1238
953	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1239	if (p = strchr (server + 1, '@')) /* first one only */
954	*p = '\0';	1240	*p = '\0';
955		1241
956	atom = XInternAtom(R->Xdisplay, server, False);	1242	atom = XInternAtom (dpy, server, False);
957	win = XGetSelectionOwner(R->Xdisplay, atom);	1243	win = XGetSelectionOwner (dpy, atom);
		1244
958	if (win != None)	1245	if (win != None)
959	return True;	1246	return true;
960	}	1247	}
		1248
961	return False;	1249	return false;
962	}	1250	}
963		1251
964	/* EXTPROTO */
965	void	1252	void
966	rxvt_IMSendSpot(pR)	1253	rxvt_term::im_send_spot ()
967	{	1254	{
968	XPoint spot;	1255	XPoint nspot;
969	XVaNestedList preedit_attr;	1256	XVaNestedList preedit_attr;
970		1257
971	if (R->Input_Context == NULL	1258	if (!Input_Context
972	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1259	|| !focus
973	|| !(R->event_type == KeyPress	1260	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
974	|| R->event_type == Expose
975	|| R->event_type == NoExpose
976	|| R->event_type == SelectionNotify
977	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
978	|| !rxvt_IMisRunning(aR))
979	return;	1261	return;
980		1262
981	rxvt_setPosition(aR_ & spot);	1263	im_set_position (nspot);
982		1264
		1265	if (nspot.x == spot.x && nspot.y == spot.y)
		1266	return;
		1267
		1268	spot = nspot;
		1269
983	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1270	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
984	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1271	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
985	XFree(preedit_attr);	1272	XFree (preedit_attr);
986	}	1273	}
987		1274
988	/* EXTPROTO */
989	void	1275	void
990	rxvt_setTermFontSet(pR_ int idx)	1276	rxvt_term::im_destroy ()
991	{	1277	{
992	char *string;	1278	if (input_method)
993	long length;	1279	{
994	int success = 0;	1280	if (Input_Context && input_method->xim)
		1281	XDestroyIC (Input_Context);
995		1282
996	if (idx < 0 || idx >= MAX_NFONTS)	1283	display->put_xim (input_method);
997	return;	1284	input_method = 0;
998	}	1285	}
999		1286
1000	/* INTPROTO */
1001	void
1002	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1003	XRectangle * needed_rect)
1004	{
1005	int mbh, vtx = 0;
1006
1007	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1008	vtx = scrollbar_TotalWidth();
1009	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1010	mbh -= R->TermWin.lineSpace;
1011
1012	preedit_rect->x = needed_rect->width + vtx;
1013	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1014
1015	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1016	+ vtx;
1017	preedit_rect->height = Height2Pixel(1);
1018
1019	status_rect->x = vtx;
1020	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1021
1022	status_rect->width = needed_rect->width ? needed_rect->width
1023	: Width2Pixel(R->TermWin.ncol + 1);
1024	status_rect->height = Height2Pixel(1);
1025	}
1026
1027	/* ARGSUSED */
1028	/* INTPROTO */
1029	void
1030	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1031	__attribute__ ((unused)), XPointer call_data
1032	__attribute__ ((unused)))
1033	{
1034	dR;
1035
1036	R->Input_Context = NULL;	1287	Input_Context = 0;
1037	/* To avoid Segmentation Fault in C locale: Solaris only? */
1038	if (STRCMP(R->locale, "C"))
1039	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1040	rxvt_IMInstantiateCallback, NULL);
1041	}	1288	}
1042		1289
1043	/*	1290	#ifdef ENABLE_XIM_ONTHESPOT
1044	* X manual pages and include files don't match on some systems:
1045	* some think this is an XIDProc and others an XIMProc so we can't
1046	* use the first argument - need to update this to be nice for
1047	* both types via some sort of configure detection
1048	*/
1049	/* ARGSUSED */
1050	/* EXTPROTO */
1051	void
1052	rxvt_IMInstantiateCallback(Display * unused
1053	__attribute__ ((unused)), XPointer client_data
1054	__attribute__ ((unused)), XPointer call_data
1055	__attribute__ ((unused)))
1056	{
1057	dR;
1058	int i, found, had_im;
1059	const char *p;
1060	char **s;
1061	char buf[IMBUFSIZ];
1062		1291
1063	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1292	static void
1064	if (R->Input_Context)	1293	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1065	return;	1294	{
		1295	((rxvt_term *)client_data)->make_current ();
		1296	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1297	}
1066		1298
1067	found = had_im = 0;	1299	static void
1068	p = R->rs[Rs_inputMethod];	1300	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1069	if (p && *p) {	1301	{
1070	had_im = 1;	1302	((rxvt_term *)client_data)->make_current ();
1071	s = rxvt_splitcommastring(p);	1303	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1072	for (i = 0; s[i]; i++) {	1304	}
1073	if (*s[i]) {	1305
1074	STRCPY(buf, "@im=");	1306	static void
1075	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1307	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1076	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1308	{
1077	&& (rxvt_IM_get_IC(aR) == True)) {	1309	rxvt_term *term = (rxvt_term *)client_data;
1078	found = 1;	1310	XIMText *text = call_data->text;
1079	break;	1311
1080	}	1312	term->make_current ();
1081	}	1313
		1314	if (text)
		1315	{
		1316	wchar_t *str;
		1317
		1318	if (!text->encoding_is_wchar && text->string.multi_byte)
		1319	{
		1320	// of course, X makes it ugly again
		1321	if (term->rs[Rs_imLocale])
		1322	SET_LOCALE (term->rs[Rs_imLocale]);
		1323
		1324	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1325	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1326
		1327	if (term->rs[Rs_imLocale])
		1328	SET_LOCALE (term->locale);
1082	}	1329	}
1083	for (i = 0; s[i]; i++)	1330	else
1084	free(s[i]);	1331	str = text->string.wide_char;
1085	free(s);
1086	}
1087	if (found)
1088	return;
1089		1332
1090	/* try with XMODIFIERS env. var. */	1333	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1091	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1334	DT_INT, call_data->caret,
1092	rxvt_IM_get_IC(aR);	1335	DT_INT, call_data->chg_first,
1093	return;	1336	DT_INT, call_data->chg_length,
		1337	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1338	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1339	DT_END));
1094	}	1340	}
1095		1341	else
1096	/* try with no modifiers base IF the user didn't specify an IM */	1342	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1097	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1343	DT_INT, call_data->caret,
1098	&& rxvt_IM_get_IC(aR) == True)	1344	DT_INT, call_data->chg_first,
1099	return;	1345	DT_INT, call_data->chg_length,
		1346	DT_END));
1100	}	1347	}
		1348
		1349	#if 0
		1350	static void
		1351	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1352	{
		1353	((rxvt_term *)client_data)->make_current ();
		1354	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1355	DT_INT, call_data->position,
		1356	DT_INT, call_data->direction,
		1357	DT_INT, call_data->style,
		1358	DT_END));
		1359	}
		1360	#endif
		1361
		1362	#endif
1101		1363
1102	/*	1364	/*
1103	* Try to open a XIM with the current modifiers, then see if we can	1365	* Try to open a XIM with the current modifiers, then see if we can
1104	* open a suitable preedit type	1366	* open a suitable preedit type
1105	*/	1367	*/
1106	/* INTPROTO */
1107	Bool	1368	bool
1108	rxvt_IM_get_IC(pR)	1369	rxvt_term::im_get_ic (const char *modifiers)
1109	{	1370	{
1110	int i, j, found;	1371	int i, j, found;
1111	XIM xim;	1372	XIM xim;
1112	XPoint spot;	1373	XPoint spot;
1113	XRectangle rect, status_rect, needed_rect;	1374	XRectangle rect, status_rect, needed_rect;
1114	unsigned long fg, bg;	1375	unsigned long fg, bg;
1115	const char *p;	1376	const char *p;
1116	char **s;	1377	char **s;
1117	XIMStyles *xim_styles;	1378	XIMStyles *xim_styles;
1118	XVaNestedList preedit_attr, status_attr;
1119	XIMCallback ximcallback;
1120		1379
1121	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1380	set_environ (env);
1122	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1381
1123	if (xim == NULL)	1382	if (!((p = XSetLocaleModifiers (modifiers)) && *p))
1124	return False;	1383	return false;
1125		1384
		1385	input_method = display->get_xim (locale, modifiers);
		1386	if (input_method == NULL)
		1387	return false;
		1388
		1389	xim = input_method->xim;
		1390	spot.x = spot.y = -1;
		1391
1126	xim_styles = NULL;	1392	xim_styles = NULL;
1127	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1393	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1128	|| !xim_styles || !xim_styles->count_styles) {	1394	|| !xim_styles || !xim_styles->count_styles)
1129	XCloseIM(xim);	1395	{
		1396	im_destroy ();
1130	return False;	1397	return false;
		1398	}
		1399
		1400	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1401
		1402	for (int pi = 0; pi < 2; pi++)
1131	}	1403	{
		1404	p = pet[pi];
1132		1405
1133	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1406	if (!p)
1134	: "OverTheSpot,OffTheSpot,Root";	1407	continue;
1135	s = rxvt_splitcommastring(p);	1408
		1409	s = rxvt_strsplit (',', p);
		1410
1136	for (i = found = 0; !found && s[i]; i++) {	1411	for (i = found = 0; !found && s[i]; i++)
		1412	{
1137	if (!STRCMP(s[i], "OverTheSpot"))	1413	if (!strcmp (s[i], "OverTheSpot"))
1138	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1414	input_style = XIMPreeditPosition | XIMStatusNothing;
1139	else if (!STRCMP(s[i], "OffTheSpot"))	1415	else if (!strcmp (s[i], "OffTheSpot"))
1140	R->input_style = (XIMPreeditArea | XIMStatusArea);	1416	input_style = XIMPreeditArea | XIMStatusArea;
1141	else if (!STRCMP(s[i], "Root"))	1417	else if (!strcmp (s[i], "Root"))
1142	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1418	input_style = XIMPreeditNothing | XIMStatusNothing;
		1419	else if (!strcmp (s[i], "None"))
		1420	input_style = XIMPreeditNone | XIMStatusNone;
		1421	#ifdef ENABLE_XIM_ONTHESPOT
		1422	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1423	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1424	#endif
		1425	else
		1426	input_style = XIMPreeditNothing | XIMStatusNothing;
1143		1427
1144	for (j = 0; j < xim_styles->count_styles; j++)	1428	for (j = 0; j < xim_styles->count_styles; j++)
1145	if (R->input_style == xim_styles->supported_styles[j]) {	1429	if (input_style == xim_styles->supported_styles[j])
		1430	{
		1431	rxvt_free_strsplit (s);
		1432
1146	found = 1;	1433	found = 1;
		1434	goto foundpet;
		1435	}
		1436
		1437	}
		1438
		1439	rxvt_free_strsplit (s);
		1440	}
		1441
		1442	foundpet:
		1443
		1444	XFree (xim_styles);
		1445
		1446	if (!found)
		1447	{
		1448	im_destroy ();
		1449	return false;
		1450	}
		1451
		1452	XFontSet fs = 0;
		1453	XVaNestedList preedit_attr = 0, status_attr = 0;
		1454
		1455	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1456	{
		1457	// fake us a font-set, please
		1458	char **missing_charset_list;
		1459	int missing_charset_count;
		1460	char *def_string;
		1461	char pat[512];
		1462
		1463	sprintf (pat,
		1464	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1465	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1466	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1467	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1468	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1469	"*",
		1470	fheight,
		1471	fheight + 1, fheight - 1,
		1472	fheight - 2, fheight + 2);
		1473
		1474	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1475	&missing_charset_list, &missing_charset_count, &def_string);
		1476
		1477	if (missing_charset_list)
		1478	XFreeStringList (missing_charset_list);
		1479
		1480	if (!fs)
		1481	{
		1482	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1483	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1484	}
		1485	}
		1486
		1487	if (input_style & XIMPreeditPosition)
		1488	{
		1489	im_set_size (rect);
		1490	im_set_position (spot);
		1491	im_set_color (fg, bg);
		1492
		1493	preedit_attr = XVaCreateNestedList (0,
		1494	XNForeground, fg,
		1495	XNBackground, bg,
		1496	XNArea, &rect,
		1497	XNSpotLocation, &spot,
		1498	XNFontSet, fs,
		1499	NULL);
		1500	}
		1501	else if (input_style & XIMPreeditArea)
		1502	{
		1503	im_set_color (fg, bg);
		1504
		1505	/*
		1506	* The necessary width of preedit area is unknown
		1507	* until create input context.
		1508	*/
		1509	needed_rect.width = 0;
		1510	im_set_preedit_area (rect, status_rect, needed_rect);
		1511
		1512	preedit_attr = XVaCreateNestedList (0,
		1513	XNForeground, fg,
		1514	XNBackground, bg,
		1515	XNArea, &rect,
		1516	XNFontSet, fs,
		1517	NULL);
		1518	status_attr = XVaCreateNestedList (0,
		1519	XNForeground, fg,
		1520	XNBackground, bg,
		1521	XNArea, &status_rect,
		1522	XNFontSet, fs,
		1523	NULL);
		1524	}
		1525	#if ENABLE_XIM_ONTHESPOT
		1526	else if (input_style & XIMPreeditCallbacks)
		1527	{
		1528	XIMCallback xcb[4];
		1529
		1530	im_set_position (spot);
		1531
		1532	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1533	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1534	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1535	# if 0
		1536	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1537	# endif
		1538
		1539	preedit_attr = XVaCreateNestedList (0,
		1540	XNSpotLocation, &spot,
		1541	XNPreeditStartCallback, &xcb[0],
		1542	XNPreeditDoneCallback , &xcb[1],
		1543	XNPreeditDrawCallback , &xcb[2],
		1544	# if 0
		1545	XNPreeditCaretCallback, &xcb[3],
		1546	# endif
		1547	NULL);
		1548	}
		1549	#endif
		1550
		1551	Input_Context = XCreateIC (xim,
		1552	XNInputStyle, input_style,
		1553	XNClientWindow, vt,
		1554	XNFocusWindow, parent,
		1555	preedit_attr ? XNPreeditAttributes : NULL,
		1556	preedit_attr,
		1557	status_attr ? XNStatusAttributes : NULL,
		1558	status_attr, NULL);
		1559
		1560	if (preedit_attr) XFree (preedit_attr);
		1561	if (status_attr) XFree (status_attr);
		1562	if (fs) XFreeFontSet (dpy, fs);
		1563
		1564	if (Input_Context == NULL)
		1565	{
		1566	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1567	im_destroy ();
		1568	return false;
		1569	}
		1570
		1571	#if 0
		1572	// unfortunately, only the focus window is used by XIM, hard to fix
		1573	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1574	vt_select_input ();
		1575	#endif
		1576
		1577	im_set_position ();
		1578
		1579	return true;
		1580	}
		1581
		1582	void
		1583	rxvt_term::im_cb ()
		1584	{
		1585	int i;
		1586	const char *p;
		1587	char **s;
		1588	char buf[IMBUFSIZ];
		1589
		1590	make_current ();
		1591
		1592	im_destroy ();
		1593
		1594	if (Input_Context)
		1595	return;
		1596
		1597	if (rs[Rs_imLocale])
		1598	SET_LOCALE (rs[Rs_imLocale]);
		1599
		1600	p = rs[Rs_inputMethod];
		1601	if (p && *p)
		1602	{
		1603	bool found = false;
		1604
		1605	s = rxvt_strsplit (',', p);
		1606
		1607	for (i = 0; s[i]; i++)
		1608	{
		1609	if (*s[i])
		1610	{
		1611	strcpy (buf, "@im=");
		1612	strncat (buf, s[i], IMBUFSIZ - 5);
		1613	if (im_get_ic (buf))
		1614	{
		1615	found = true;
1147	break;	1616	break;
		1617	}
1148	}	1618	}
1149	}	1619	}
1150	for (i = 0; s[i]; i++)
1151	free(s[i]);
1152	free(s);
1153	XFree(xim_styles);
1154		1620
		1621	rxvt_free_strsplit (s);
		1622
1155	if (!found) {	1623	if (found)
1156	XCloseIM(xim);	1624	goto done;
1157	return False;
1158	}	1625	}
1159		1626
1160	ximcallback.callback = rxvt_IMDestroyCallback;	1627	/* try with XMODIFIERS env. var. */
		1628	if (im_get_ic (""))
		1629	goto done;
1161		1630
1162	/* XXX: not sure why we need this (as well as IC one below) */	1631	/* try with no modifiers base IF the user didn't specify an IM */
1163	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1632	if (im_get_ic ("@im=none"))
		1633	goto done;
1164		1634
1165	preedit_attr = status_attr = NULL;	1635	done:
1166		1636	if (rs[Rs_imLocale])
1167	if (R->input_style & XIMPreeditPosition) {	1637	SET_LOCALE (locale);
1168	rxvt_setSize(aR_ & rect);
1169	rxvt_setPosition(aR_ & spot);
1170	rxvt_setColor(aR_ & fg, &bg);
1171
1172	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1173	XNSpotLocation, &spot,
1174	XNForeground, fg, XNBackground, bg,
1175	//XNFontSet, R->TermWin.fontset,
1176	NULL);
1177	} else if (R->input_style & XIMPreeditArea) {
1178	rxvt_setColor(aR_ & fg, &bg);
1179
1180	/*
1181	* The necessary width of preedit area is unknown
1182	* until create input context.
1183	*/
1184	needed_rect.width = 0;
1185
1186	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1187
1188	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1189	XNForeground, fg, XNBackground, bg,
1190	//XNFontSet, R->TermWin.fontset,
1191	NULL);
1192	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1193	XNForeground, fg, XNBackground, bg,
1194	//XNFontSet, R->TermWin.fontset,
1195	NULL);
1196	}
1197	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1198	XNClientWindow, R->TermWin.parent[0],
1199	XNFocusWindow, R->TermWin.parent[0],
1200	XNDestroyCallback, &ximcallback,
1201	preedit_attr ? XNPreeditAttributes : NULL,
1202	preedit_attr,
1203	status_attr ? XNStatusAttributes : NULL,
1204	status_attr, NULL);
1205	if (preedit_attr)
1206	XFree(preedit_attr);
1207	if (status_attr)
1208	XFree(status_attr);
1209	if (R->Input_Context == NULL) {
1210	rxvt_print_error("failed to create input context");
1211	XCloseIM(xim);
1212	return False;
1213	}
1214	if (R->input_style & XIMPreeditArea)
1215	rxvt_IMSetStatusPosition(aR);
1216	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1217	return True;
1218	}	1638	}
1219		1639
1220	/* EXTPROTO */
1221	void	1640	void
1222	rxvt_IMSetStatusPosition(pR)	1641	rxvt_term::im_set_position ()
1223	{	1642	{
1224	XRectangle preedit_rect, status_rect, *needed_rect;	1643	XRectangle preedit_rect, status_rect, *needed_rect;
1225	XVaNestedList preedit_attr, status_attr;	1644	XVaNestedList preedit_attr, status_attr;
1226		1645
1227	if (R->Input_Context == NULL	1646	if (!Input_Context
1228	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1647	|| !focus
1229	|| !rxvt_IMisRunning(aR))	1648	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
		1649	|| !im_is_running ())
1230	return;	1650	return;
1231		1651
		1652	if (input_style & XIMPreeditPosition)
		1653	{
		1654	im_set_size (preedit_rect);
		1655	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1656
		1657	XSetICValues (Input_Context,
		1658	XNPreeditAttributes, preedit_attr, NULL);
		1659	}
		1660	else
		1661	{
1232	/* Getting the necessary width of preedit area */	1662	/* Getting the necessary width of preedit area */
1233	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1663	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1234	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1664	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1235	XFree(status_attr);	1665	XFree (status_attr);
1236		1666
1237	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1667	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1668	XFree (needed_rect);
1238		1669
1239	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1670	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1240	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1671	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1241		1672
1242	XSetICValues(R->Input_Context,	1673	XSetICValues (Input_Context,
1243	XNPreeditAttributes, preedit_attr,	1674	XNPreeditAttributes, preedit_attr,
1244	XNStatusAttributes, status_attr, NULL);	1675	XNStatusAttributes, status_attr,
		1676	NULL);
1245		1677
		1678	XFree (status_attr);
		1679	}
		1680
1246	XFree(preedit_attr);	1681	XFree (preedit_attr);
1247	XFree(status_attr);
1248	}	1682	}
1249	#endif /* USE_XIM */	1683	#endif /* USE_XIM */
1250		1684
1251	/*----------------------------------------------------------------------*/	1685	void
1252	rxvt_t rxvt_current_term;	1686	rxvt_term::get_window_origin (int &x, int &y)
		1687	{
		1688	Window cr;
		1689	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1690	}
		1691
		1692	#ifdef HAVE_BG_PIXMAP
		1693
		1694	void
		1695	rxvt_term::update_background ()
		1696	{
		1697	if (update_background_ev.is_active ())
		1698	return;
		1699
		1700	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1701
		1702	if (to_wait <= 0.)
		1703	bg_render ();
		1704	else
		1705	update_background_ev.start (to_wait);
		1706	}
		1707
		1708	void
		1709	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1710	{
		1711	make_current ();
		1712
		1713	update_background_ev.stop ();
		1714	bg_render ();
		1715	refresh_check ();
		1716	}
		1717
		1718	#endif /* HAVE_BG_PIXMAP */
1253		1719
1254	/*----------------------- end-of-file (C source) -----------------------*/	1720	/*----------------------- end-of-file (C source) -----------------------*/

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