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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.13 by pcg, Wed Dec 17 09:00:35 2003 UTC vs.
Revision 1.400 by sf-exg, Tue Jun 28 21:56:17 2016 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.13 2003/12/17 09:00:35 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2014 Marc Lehmann <schmorp@schmorp.de>
		17	* Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
17	*	18	*
18	* This program is free software; you can redistribute it and/or modify	19	* 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	20	* 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	21	* the Free Software Foundation; either version 3 of the License, or
21	* (at your option) any later version.	22	* (at your option) any later version.
22	*	23	*
23	* This program is distributed in the hope that it will be useful,	24	* This program is distributed in the hope that it will be useful,
24	* but WITHOUT ANY WARRANTY; without even the implied warranty of	25	* but WITHOUT ANY WARRANTY; without even the implied warranty of
25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	26	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	31	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	32	*---------------------------------------------------------------------*/
32		33
33	#include "../config.h" /* NECESSARY */	34	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	35	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	36	#include "init.h"
		37	#include "keyboard.h"
		38	#include "rxvtperl.h"
36		39
		40	#include <limits>
		41
		42	#include <assert.h>
37	#include <signal.h>	43	#include <signal.h>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	44	#include <string.h>
41	#endif
42		45
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	46	#include <termios.h>
45	#endif
46		47
		48	#ifdef HAVE_XSETLOCALE
		49	# define X_LOCALE
		50	# include <X11/Xlocale.h>
		51	#else
		52	# include <locale.h>
		53	#endif
		54
		55	struct termios rxvt_term::def_tio;
		56	vector<rxvt_term *> rxvt_term::termlist;
		57
		58	// used to tell global functions which terminal instance is "active"
		59	rxvt_t rxvt_current_term;
		60
		61	static char curlocale[128], savelocale[128];
		62
		63	bool
		64	rxvt_set_locale (const char *locale) NOTHROW
		65	{
		66	int size = strlen (locale) + 1;
		67
		68	if (size > sizeof (curlocale))
		69	rxvt_fatal ("locale string too long, aborting.\n");
		70
		71	if (!locale || !memcmp (locale, curlocale, size))
		72	return false;
		73
		74	memcpy (curlocale, locale, size);
		75	setlocale (LC_CTYPE, curlocale);
		76	return true;
		77	}
		78
47	void *	79	void
48	rxvt_term::operator new (size_t s)	80	rxvt_push_locale (const char *locale) NOTHROW
49	{	81	{
50	void *p = malloc (s);	82	strcpy (savelocale, curlocale);
		83	rxvt_set_locale (locale);
		84	}
51		85
52	MEMSET (p, 0, s);	86	void
		87	rxvt_pop_locale () NOTHROW
		88	{
		89	rxvt_set_locale (savelocale);
		90	}
		91
		92	#if ENABLE_COMBINING
		93	class rxvt_composite_vec rxvt_composite;
		94
		95	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		96	{
		97	compose_char *cc;
		98
		99	// break compose chains, as stupid readline really likes to duplicate
		100	// composing characters for some reason, near the end of a line.
		101	cc = (*this)[c1];
		102	while (cc)
		103	{
		104	if (cc->c2 == c2) return c1;
		105	cc = (*this)[cc->c1];
		106	}
		107
		108	// check to see whether this combination already exists otherwise
		109	for (cc = v.begin (); cc < v.end (); cc++)
		110	if (cc->c1 == c1 && cc->c2 == c2)
		111	return COMPOSE_LO + (cc - v.begin ());
		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	rxvt_warn ("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 BG_IMAGE_FROM_ROOT || ENABLE_PERL
		175	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		176	#endif
		177	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		178	#if USE_XIM
		179	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
66	#endif	180	#endif
67	#ifdef POINTER_BLANK	181	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
69	#endif	183	#endif
70	x_ev (this, &rxvt_term::x_cb),	184	#ifndef NO_BELL
71	destroy_ev (this, &rxvt_term::destroy_cb),	185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
72	check_ev (this, &rxvt_term::check_cb),	186	#endif
73	incr_ev (this, &rxvt_term::incr_cb)	187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
74	{	188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		189	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		190	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		191	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		192	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193
75	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	194	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		195
		196	termlist.push_back (this);
		197
		198	#ifdef KEYSYM_RESOURCE
		199	keyboard = new keyboard_manager;
		200	#endif
		201	}
		202
		203	// clean up the most important stuff, do *not* call x or free mem etc.
		204	// for use before an emergency exit
		205	void
		206	rxvt_term::emergency_cleanup ()
		207	{
		208	if (cmd_pid)
		209	kill (-cmd_pid, SIGHUP);
		210
		211	pty_ev.stop ();
		212	delete pty; pty = 0;
76	}	213	}
77		214
78	rxvt_term::~rxvt_term ()	215	rxvt_term::~rxvt_term ()
79	{	216	{
		217	termlist.erase (find (termlist.begin (), termlist.end(), this));
		218
		219	emergency_cleanup ();
		220
		221	#if ENABLE_STYLES
		222	for (int i = RS_styleCount; --i; )
		223	if (fontset[i] != fontset[0])
		224	delete fontset[i];
		225	#endif
		226	delete fontset[0];
		227
		228	#ifdef HAVE_BG_PIXMAP
		229	bg_destroy ();
		230	#endif
		231
		232	#if HAVE_IMG
		233	delete bg_img;
		234	#endif
		235
		236	if (display)
		237	{
		238	selection_clear ();
		239	selection_clear (true);
		240
		241	#if USE_XIM
		242	im_destroy ();
		243	#endif
		244	scrollBar.destroy ();
		245
		246	if (gc)
		247	XFreeGC (dpy, gc);
		248
		249	delete drawable;
		250
		251	// destroy all windows
		252	if (parent)
		253	XDestroyWindow (dpy, parent);
		254
		255	for (int i = 0; i < TOTAL_COLORS; i++)
		256	if (ISSET_PIXCOLOR (i))
		257	{
		258	pix_colors_focused [i].free (this);
		259	#if OFF_FOCUS_FADING
		260	if (rs[Rs_fade])
		261	pix_colors_unfocused [i].free (this);
		262	#endif
		263	}
		264
		265	clear ();
		266
		267	display->flush (); /* ideally .put should do this */
		268	displays.put (display);
		269	}
		270
80	scr_release ();	271	scr_release ();
81		272
82	#ifndef NO_SETOWNER_TTYDEV	273	/* clear all resources */
83	rxvt_privileged_ttydev (this, RESTORE);	274	for (int i = 0; i < allocated.size (); i++)
84	#endif	275	free (allocated [i]);
85	#ifdef UTMP_SUPPORT
86	rxvt_privileged_utmp (this, RESTORE);
87	#endif
88	#ifdef USE_XIM
89	if (Input_Context != NULL)
90	{
91	XDestroyIC (Input_Context);
92	Input_Context = NULL;
93	}
94	#endif
95		276
96	if (cmd_fd >= 0)	277	free (selection.text);
97	close (cmd_fd);	278	free (selection.clip_text);
		279	free (locale);
		280	free (v_buffer);
98		281
99	if (Xfd >= 0)	282	delete selection_req;
100	XCloseDisplay (Xdisplay);
101		283
102	delete PixColors;	284	if (env && memcmp (env, envv->begin (), envv->size () * sizeof (char *)))
		285	rxvt_warn ("env has been modified, probably as a result of a lib calling setenv.\n");
		286
		287	delete [] env;
		288
		289	delete envv;
		290	delete argv;
		291
		292	#ifdef KEYSYM_RESOURCE
		293	delete keyboard;
		294	#endif
		295	#ifndef NO_RESOURCES
		296	XrmDestroyDatabase (option_db);
		297	#endif
		298
		299	SET_R ((rxvt_term *)0);
		300	}
		301
		302	// child has exited, usually destroys
		303	void
		304	rxvt_term::child_cb (ev::child &w, int status)
		305	{
		306	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		307
		308	cmd_pid = 0;
		309
		310	if (!option (Opt_hold))
		311	destroy ();
103	}	312	}
104		313
105	void	314	void
106	rxvt_term::destroy ()	315	rxvt_term::destroy ()
107	{	316	{
		317	if (destroy_ev.is_active ())
		318	return;
		319
		320	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		321
		322	#if ENABLE_OVERLAY
		323	scr_overlay_off ();
		324	#endif
		325
		326	if (display)
		327	{
		328	#if USE_XIM
		329	im_ev.stop (display);
		330	#endif
		331	scrollbar_ev.stop (display);
		332	#if BG_IMAGE_FROM_ROOT || ENABLE_PERL
		333	rootwin_ev.stop (display);
		334	#endif
		335	termwin_ev.stop (display);
		336	vt_ev.stop (display);
		337	}
		338
108	check_ev.stop ();	339	flush_ev.stop ();
109	pty_ev.stop ();	340	pty_ev.stop ();
110	x_ev.stop ();
111	#ifdef CURSOR_BLINK	341	#ifdef CURSOR_BLINK
		342	cursor_blink_ev.stop ();
		343	#endif
		344	#ifdef TEXT_BLINK
112	blink_ev.stop ();	345	text_blink_ev.stop ();
		346	#endif
		347	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		348	cont_scroll_ev.stop ();
		349	#endif
		350	#ifdef SELECTION_SCROLLING
		351	sel_scroll_ev.stop ();
113	#endif	352	#endif
114	#ifdef POINTER_BLANK	353	#ifdef POINTER_BLANK
115	pointer_ev.stop ();	354	pointer_ev.stop ();
116	#endif	355	#endif
117		356
118	destroy_ev.start (0);	357	destroy_ev.start ();
119	}	358	}
120		359
121	void	360	void
122	rxvt_term::destroy_cb (time_watcher &w)	361	rxvt_term::destroy_cb (ev::idle &w, int revents)
123	{	362	{
124	SET_R (this);	363	make_current ();
125		364
126	delete this;	365	delete this;
127	}	366	}
128		367
129	/*----------------------------------------------------------------------*/	368	void
130	/* rxvt_init() */	369	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
131	/* LIBPROTO */
132	rxvt_t
133	rxvt_init (int argc, const char *const *argv)
134	{	370	{
135	SET_R (new rxvt_term);	371	if (!opt)
136	dR;
137
138	if (!R->init_vars () || !R->init (argc, argv))
139	{
140	delete R;
141	return NULL;
142	}
143
144	return R;	372	return;
145	}
146		373
147	/* EXTPROTO */	374	uint8_t mask = 1 << (opt & 7);
148	void	375	uint8_t &val = options [opt >> 3];
149	rxvt_init_signals ()
150	{
151	/* install exit handler for cleanup */
152	#if 0
153	#ifdef HAVE_ATEXIT
154	atexit(rxvt_clean_exit);
155	#else
156	#endif
157	#endif
158		376
159	struct sigaction sa;	377	val = val & ~mask | (set ? mask : 0);
160
161	sigfillset (&sa.sa_mask);
162	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
163	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
164	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
165	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
166	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
167	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
168	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
169
170	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
171	/* signal (SIGURG, SIG_DFL); */
172
173	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
174	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
175	}
176
177	bool
178	rxvt_term::init (int argc, const char *const *argv)
179	{
180	dR;//TODO (scrollbar, setidle)
181
182	/*
183	* Save and then give up any super-user privileges
184	* If we need privileges in any area then we must specifically request it.
185	* We should only need to be root in these cases:
186	* 1. write utmp entries on some systems
187	* 2. chown tty on some systems
188	*/
189	rxvt_privileges (this, SAVE);
190	rxvt_privileges (this, IGNORE);
191
192	rxvt_init_secondary (this);
193
194	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
195
196	#if (MENUBAR_MAX)
197	rxvt_menubar_read (this, rs[Rs_menu]);
198	#endif
199	#ifdef HAVE_SCROLLBARS
200	if (Options & Opt_scrollBar)
201	scrollbar_setIdle (); /* set existence for size calculations */
202	#endif
203
204	rxvt_Create_Windows (this, argc, argv);
205
206	rxvt_init_xlocale (this);
207
208	scr_reset (); /* initialize screen */
209	#ifdef RXVT_GRAPHICS
210	rxvt_Gr_reset (this); /* reset graphics */
211	#endif
212
213	#if 0
214	#ifdef DEBUG_X
215	XSynchronize(Xdisplay, True);
216	#endif
217	#endif
218
219	#ifdef HAVE_SCROLLBARS
220	if (Options & Opt_scrollBar)
221	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
222	#endif
223	#if (MENUBAR_MAX)
224	if (menubar_visible(r))
225	XMapWindow (Xdisplay, menuBar.win);
226	#endif
227	#ifdef TRANSPARENT
228	if (Options & Opt_transparent)
229	{
230	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
231	rxvt_check_our_parents (this);
232	}
233	#endif
234	XMapWindow (Xdisplay, TermWin.vt);
235	XMapWindow (Xdisplay, TermWin.parent[0]);
236
237	rxvt_init_env (this);
238	rxvt_init_command (this, cmd_argv);
239
240	x_ev.start (Xfd, EVENT_READ);
241	pty_ev.start (cmd_fd, EVENT_READ);
242
243	check_ev.start ();
244
245	process_x_events ();
246
247	return true;
248	}
249
250	/* ------------------------------------------------------------------------- *
251	* SIGNAL HANDLING & EXIT HANDLER *
252	* ------------------------------------------------------------------------- */
253	/*
254	* Catch a SIGCHLD signal and exit if the direct child has died
255	*/
256	/* ARGSUSED */
257	/* EXTPROTO */
258	RETSIGTYPE
259	rxvt_Child_signal(int sig __attribute__ ((unused)))
260	{
261	int pid, save_errno = errno;
262	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
263	;
264	errno = save_errno;
265
266	#if 0
267	if (pid == R->cmd_pid)
268	exit (EXIT_SUCCESS);
269	#endif
270	}
271
272	/*
273	* Catch a fatal signal and tidy up before quitting
274	*/
275	/* EXTPROTO */
276	RETSIGTYPE
277	rxvt_Exit_signal(int sig)
278	{
279	signal(sig, SIG_DFL);
280	#ifdef DEBUG_CMD
281	rxvt_print_error("signal %d", sig);
282	#endif
283	rxvt_clean_exit();
284	kill(getpid(), sig);
285	}
286
287	/* ARGSUSED */
288	/* INTPROTO */
289	int
290	rxvt_xerror_handler(const Display * display
291	__attribute__ ((unused)), const XErrorEvent * event)
292	{
293	dR;
294
295	if (R->allowedxerror == -1)
296	R->allowedxerror = event->error_code;
297	else
298	{
299	rxvt_print_error("XError: Request: %d . %d, Error: %d",
300	event->request_code, event->minor_code,
301	event->error_code);
302
303	R->destroy ();
304	}
305
306	return 0;
307	}	378	}
308		379
309	/*----------------------------------------------------------------------*/	380	/*----------------------------------------------------------------------*/
310	/*	381	/*
311	* Exit gracefully, clearing the utmp entry and restoring tty attributes	382	* Exit gracefully, clearing the utmp entry and restoring tty attributes
312	* TODO: if debugging, this should free up any known resources if we can
313	*/	383	*/
314	/* EXTPROTO */	384	static XErrorHandler old_xerror_handler;
315	void
316	rxvt_clean_exit ()
317	{
318	dR;
319		385
320	R->destroy ();	386	static void
321	}	387	rxvt_emergency_cleanup ()
322
323	/* ------------------------------------------------------------------------- *
324	* MEMORY ALLOCATION WRAPPERS *
325	* ------------------------------------------------------------------------- */
326	/* EXTPROTO */
327	void *
328	rxvt_malloc(size_t size)
329	{	388	{
330	void *p;	389	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		390	(*t)->emergency_cleanup ();
		391	}
331		392
332	p = malloc(size);	393	#if !ENABLE_MINIMAL
333	if (p)	394	static void ecb_cold
334	return p;	395	print_x_error (Display *dpy, XErrorEvent *event)
		396	{
		397	char buffer[BUFSIZ];
		398	char mesg[BUFSIZ];
		399	char number[32];
335		400
336	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	401	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
337	rxvt_clean_exit();	402
		403	XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
		404	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
		405
		406	XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
		407	XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
		408	rxvt_warn ("+ %s: %s\n", mesg, buffer);
		409
		410	XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		411	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
		412
		413	if (event->request_code >= 128)
		414	{
		415	#if 0
		416	/* XListExtensions and probably query extensions hangs when there are multiple queues errors */
		417	int nexts;
		418	char **exts = XListExtensions (dpy, &nexts);
		419
		420	while (nexts)
		421	{
		422	char *extname = exts [nexts - 1];
		423	int major, first_event, first_error;
		424
		425	if (XQueryExtension (dpy, extname, &major, &first_event, &first_error) && major == event->request_code)
		426	{
		427	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		428	rxvt_warn ("+ (which is extension %s minor code %d)\n", extname, event->minor_code);
		429
		430	snprintf (buffer, BUFSIZ, "%s.%d", extname, event->minor_code);
		431	XGetErrorDatabaseText (dpy, "XRequest", buffer, "an unregistered minor code", buffer, BUFSIZ);
		432	rxvt_warn ("+ (which is %s)\n", buffer);
		433
		434	break;
		435	}
		436
		437	printf ("nextss %d %s\n", nexts, extname);//D
		438	--nexts;
		439	++exts;
		440	}
		441	#else
		442	int nexts = 0;
		443	char **exts = 0;
		444	#endif
		445
		446	if (!nexts)
		447	{
		448	rxvt_warn ("+ (which is an unknown extension)\n", buffer);
		449
		450	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		451	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
		452
		453	#if 0
		454	sprintf (number, "RENDER.%d", event->minor_code);
		455	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		456	rxvt_warn ("+ (which is %s)\n", buffer);
		457	#endif
		458	}
		459
		460	XFreeExtensionList (exts);
		461	}
		462	else
		463	{
		464	sprintf (number, "%d", event->request_code);
		465	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		466	rxvt_warn ("+ (which is %s)\n", buffer);
		467	}
		468
		469	if (event->error_code == BadWindow
		470	|| event->error_code == BadPixmap
		471	|| event->error_code == BadCursor
		472	|| event->error_code == BadFont
		473	|| event->error_code == BadDrawable
		474	|| event->error_code == BadColor
		475	|| event->error_code == BadGC
		476	|| event->error_code == BadIDChoice
		477	|| event->error_code == BadValue
		478	|| event->error_code == BadAtom)
		479	{
		480	if (event->error_code == BadValue)
		481	XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
		482	else if (event->error_code == BadAtom)
		483	XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
		484	else
		485	XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
		486
		487	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
		488	}
		489	}
		490	#endif
		491
		492	int ecb_cold
		493	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		494	{
		495	if (GET_R && GET_R->allowedxerror == -1)
		496	GET_R->allowedxerror = event->error_code;
		497	else
		498	{
		499	// GET_R is most likely not the terminal which caused the error,
		500	// so just output the error and continue
		501	#if ENABLE_MINIMAL
		502	old_xerror_handler (display, event);
		503	#else
		504	print_x_error (display, event);
		505	#endif
		506	}
		507
		508	return 0;
		509	}
		510
		511	int ecb_cold
		512	rxvt_xioerror_handler (Display *display)
		513	{
		514	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		515	DisplayString (display));
		516	rxvt_emergency_cleanup ();
338	exit(EXIT_FAILURE);	517	_exit (EXIT_FAILURE);
339	/* NOTREACHED */
340	}	518	}
341		519
342	/* EXTPROTO */	520	static struct sig_handlers
343	void *
344	rxvt_calloc(size_t number, size_t size)
345	{	521	{
346	void *p;	522	ev::sig sw_term, sw_int;
347		523
348	p = calloc(number, size);	524	/*
349	if (p)	525	* Catch a fatal signal and tidy up before quitting
350	return p;	526	*/
		527	void sig_term (ev::sig &w, int revents);
351		528
352	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	529	sig_handlers ()
353	rxvt_clean_exit();	530	{
354	exit(EXIT_FAILURE);	531	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
355	/* NOTREACHED */	532	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
356	}	533	}
		534	} sig_handlers;
357		535
358	/* EXTPROTO */
359	void *
360	rxvt_realloc(void *ptr, size_t size)
361	{
362	void *p;
363
364	if (ptr)
365	p = realloc(ptr, size);
366	else
367	p = malloc(size);
368	if (p)
369	return p;
370
371	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
372	rxvt_clean_exit();
373	exit(EXIT_FAILURE);
374	/* NOTREACHED */
375	}
376
377	/* ------------------------------------------------------------------------- *
378	* PRIVILEGED OPERATIONS *
379	* ------------------------------------------------------------------------- */
380	/* take care of suid/sgid super-user (root) privileges */
381	/* INTPROTO */
382	void	536	void
383	rxvt_privileges(pR_ int mode)	537	sig_handlers::sig_term (ev::sig &w, int revents)
384	{	538	{
385	#if ! defined(__CYGWIN32__)	539	rxvt_emergency_cleanup ();
386	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	540	w.stop ();
387	/* setreuid() is the poor man's setuid(), seteuid() */	541	kill (getpid (), w.signum);
388	# define seteuid(a) setreuid(-1, (a))	542	}
389	# define setegid(a) setregid(-1, (a))	543
390	# define HAVE_SETEUID	544	static void
		545	rxvt_get_ttymode (struct termios *tio)
		546	{
		547	if (tcgetattr (STDIN_FILENO, tio) < 0)
		548	memset (tio, 0, sizeof (struct termios));
		549
		550	for (int i = 0; i < NCCS; i++)
		551	tio->c_cc[i] = VDISABLE;
		552
		553	tio->c_cc[VINTR] = CINTR;
		554	tio->c_cc[VQUIT] = CQUIT;
		555	tio->c_cc[VERASE] = CERASE;
		556	#ifdef VERASE2
		557	tio->c_cc[VERASE2] = CERASE2;
		558	#endif
		559	tio->c_cc[VKILL] = CKILL;
		560	tio->c_cc[VEOF] = CEOF;
		561	tio->c_cc[VSTART] = CSTART;
		562	tio->c_cc[VSTOP] = CSTOP;
		563	tio->c_cc[VSUSP] = CSUSP;
		564	# ifdef VDSUSP
		565	tio->c_cc[VDSUSP] = CDSUSP;
391	# endif	566	# endif
392	# ifdef HAVE_SETEUID	567	# ifdef VREPRINT
393	switch (mode) {	568	tio->c_cc[VREPRINT] = CRPRNT;
394	case IGNORE:
395	/*
396	* change effective uid/gid - not real uid/gid - so we can switch
397	* back to root later, as required
398	*/
399	seteuid(getuid());
400	setegid(getgid());
401	break;
402	case SAVE:
403	R->euid = geteuid();
404	R->egid = getegid();
405	break;
406	case RESTORE:
407	seteuid(R->euid);
408	setegid(R->egid);
409	break;
410	}
411	# else
412	switch (mode) {
413	case IGNORE:
414	setuid(getuid());
415	setgid(getgid());
416	/* FALLTHROUGH */
417	case SAVE:
418	/* FALLTHROUGH */
419	case RESTORE:
420	break;
421	}
422	# endif	569	# endif
423	#endif	570	# ifdef VDISCRD
424	}	571	tio->c_cc[VDISCRD] = CFLUSH;
425
426	#ifdef UTMP_SUPPORT
427	/* EXTPROTO */
428	void
429	rxvt_privileged_utmp(pR_ char action)
430	{
431	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
432	action, R->next_utmp_action, getpid()));
433	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
434	|| (R->Options & Opt_utmpInhibit)
435	|| R->ttydev == NULL || *R->ttydev == '\0')
436	return;
437
438	rxvt_privileges(aR_ RESTORE);
439	if (action == SAVE) {
440	R->next_utmp_action = RESTORE;
441	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
442	} else { /* action == RESTORE */
443	R->next_utmp_action = IGNORE;
444	rxvt_cleanutent(aR);
445	}
446	rxvt_privileges(aR_ IGNORE);
447	}
448	#endif
449
450	#ifndef NO_SETOWNER_TTYDEV
451	/* EXTPROTO */
452	void
453	rxvt_privileged_ttydev(pR_ char action)
454	{
455	D_MAIN((stderr,
456	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
457	action, R->next_tty_action, getpid()));
458	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
459	|| R->ttydev == NULL || *R->ttydev == '\0')
460	return;
461
462	rxvt_privileges(aR_ RESTORE);
463
464	if (action == SAVE) {
465	R->next_tty_action = RESTORE;
466	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
467	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
468	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
469	R->next_tty_action = IGNORE;
470	else
471	# endif	572	# endif
472	{	573	# ifdef VWERSE
473	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	574	tio->c_cc[VWERSE] = CWERASE;
474	chmod(R->ttydev, R->ttymode);
475	# ifdef HAVE_REVOKE
476	revoke(R->ttydev);
477	# endif	575	# endif
478	}	576	# ifdef VLNEXT
479	} else { /* action == RESTORE */	577	tio->c_cc[VLNEXT] = CLNEXT;
480	R->next_tty_action = IGNORE;
481	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
482	chmod(R->ttydev, R->ttyfd_stat.st_mode);
483	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
484	# else
485	chmod(R->ttydev,
486	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
487	chown(R->ttydev, 0, 0);
488	# endif	578	# endif
489	}	579	# ifdef VSTATUS
490		580	tio->c_cc[VSTATUS] = CSTATUS;
491	rxvt_privileges(aR_ IGNORE);
492
493	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
494	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
495	action == RESTORE ? "Restoring" : (action ==
496	SAVE ? "Saving" :
497	"UNKNOWN ERROR for"), R->ttydev,
498	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
499	R->ttyfd_stat.st_gid));
500	# endif	581	# endif
501	}	582
		583	# if VMIN != VEOF
		584	tio->c_cc[VMIN] = 1;
502	#endif	585	# endif
		586	# if VTIME != VEOL
		587	tio->c_cc[VTIME] = 0;
		588	# endif
		589
		590	/* input modes */
		591	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		592	# ifdef IMAXBEL
		593	| IMAXBEL
		594	# endif
		595	| IXON);
		596
		597	/* output modes */
		598	tio->c_oflag = (OPOST | ONLCR);
		599
		600	/* control modes */
		601	tio->c_cflag = (CS8 | CREAD);
		602
		603	/* local modes */
		604	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		605	# if defined (ECHOCTL) && defined (ECHOKE)
		606	| ECHOCTL | ECHOKE
		607	# endif
		608	| ECHOE | ECHOK);
		609	}
		610
		611	char **rxvt_environ; // startup environment
		612
		613	void
		614	rxvt_init ()
		615	{
		616	assert (("fontMask must not overlap other RS masks",
		617	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		618
		619	rxvt_get_ttymode (&rxvt_term::def_tio);
		620
		621	// get rid of stdin/stdout as we don't need them, to free resources
		622	dup2 (STDERR_FILENO, STDIN_FILENO);
		623	dup2 (STDERR_FILENO, STDOUT_FILENO);
		624
		625	if (!ev_default_loop ())
		626	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		627
		628	rxvt_environ = environ;
		629
		630	signal (SIGHUP, SIG_IGN);
		631	signal (SIGPIPE, SIG_IGN);
		632
		633	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		634	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		635
		636	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		637	// TODO: handle this with exceptions and tolerate the memory loss
		638	XSetIOErrorHandler (rxvt_xioerror_handler);
		639
		640	XrmInitialize ();
		641
		642	#if HAVE_PIXBUF
		643	g_type_init ();
		644	#endif
		645	}
503		646
504	/*----------------------------------------------------------------------*/	647	/*----------------------------------------------------------------------*/
505	/*	648	/*
506	* window size/position calculcations for XSizeHint and other storage.	649	* window size/position calculations for XSizeHint and other storage.
507	* if width/height are non-zero then override calculated width/height	650	* if width/height are non-zero then override calculated width/height
508	*/	651	*/
509	/* EXTPROTO */
510	void	652	void
511	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	653	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
512	{	654	{
513	short recalc_x, recalc_y;	655	short recalc_x, recalc_y;
514	int x, y, sb_w, mb_h, flags;	656	int x, y, flags;
515	unsigned int w, h;	657	unsigned int w, h;
516	unsigned int max_width, max_height;	658	unsigned int max_width, max_height;
517		659
518	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
519	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
520	R->szHint.height));
521	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	660	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
522	R->szHint.win_gravity = NorthWestGravity;	661	szHint.win_gravity = NorthWestGravity;
523	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	662	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
524		663
525	recalc_x = recalc_y = 0;	664	recalc_x = recalc_y = 0;
526	flags = 0;	665	flags = 0;
		666
527	if (!R->parsed_geometry) {	667	if (!parsed_geometry)
		668	{
528	R->parsed_geometry = 1;	669	parsed_geometry = 1;
		670
529	if (R->rs[Rs_geometry])	671	if (rs[Rs_geometry])
530	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	672	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		673
531	if (flags & WidthValue) {	674	if (flags & WidthValue)
532	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	675	{
		676	if (!w)
		677	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		678
		679	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
533	R->szHint.flags |= USSize;	680	szHint.flags |= USSize;
534	}	681	}
		682
535	if (flags & HeightValue) {	683	if (flags & HeightValue)
536	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	684	{
		685	if (!h)
		686	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		687
		688	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
537	R->szHint.flags |= USSize;	689	szHint.flags |= USSize;
538	}	690	}
		691
539	if (flags & XValue) {	692	if (flags & XValue)
		693	{
540	R->szHint.x = x;	694	szHint.x = x;
541	R->szHint.flags |= USPosition;	695	szHint.flags |= USPosition;
		696
542	if (flags & XNegative) {	697	if (flags & XNegative)
		698	{
543	recalc_x = 1;	699	recalc_x = 1;
544	R->szHint.win_gravity = NorthEastGravity;	700	szHint.win_gravity = NorthEastGravity;
545	}	701	}
546	}	702	}
		703
547	if (flags & YValue) {	704	if (flags & YValue)
		705	{
548	R->szHint.y = y;	706	szHint.y = y;
549	R->szHint.flags |= USPosition;	707	szHint.flags |= USPosition;
		708
550	if (flags & YNegative) {	709	if (flags & YNegative)
		710	{
551	recalc_y = 1;	711	recalc_y = 1;
		712
552	if (R->szHint.win_gravity == NorthEastGravity)	713	if (szHint.win_gravity == NorthEastGravity)
553	R->szHint.win_gravity = SouthEastGravity;	714	szHint.win_gravity = SouthEastGravity;
554	else	715	else
555	R->szHint.win_gravity = SouthWestGravity;	716	szHint.win_gravity = SouthWestGravity;
556	}	717	}
557	}	718	}
558	}	719	}
		720
559	/* TODO: BOUNDS */	721	/* TODO: BOUNDS */
560	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	722	width = ncol * fwidth;
561	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	723	height = nrow * fheight;
562	max_width = MAX_COLS * R->TermWin.fwidth;	724	max_width = MAX_COLS * fwidth;
563	max_height = MAX_ROWS * R->TermWin.fheight;	725	max_height = MAX_ROWS * fheight;
564		726
565	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	727	szHint.base_width = szHint.base_height = 2 * int_bwidth;
566		728
567	sb_w = mb_h = 0;
568	R->window_vt_x = R->window_vt_y = 0;	729	window_vt_x = window_vt_y = int_bwidth;
569	if (scrollbar_visible(R)) {	730
		731	if (scrollBar.state)
		732	{
570	sb_w = scrollbar_TotalWidth();	733	int sb_w = scrollBar.total_width ();
571	R->szHint.base_width += sb_w;	734	szHint.base_width += sb_w;
		735
572	if (!(R->Options & Opt_scrollBar_right))	736	if (!option (Opt_scrollBar_right))
573	R->window_vt_x = sb_w;	737	window_vt_x += sb_w;
574	}	738	}
575	if (menubar_visible(R)) {	739
576	mb_h = menuBar_TotalHeight();
577	R->szHint.base_height += mb_h;
578	R->window_vt_y = mb_h;
579	}
580	R->szHint.width_inc = R->TermWin.fwidth;	740	szHint.width_inc = fwidth;
581	R->szHint.height_inc = R->TermWin.fheight;	741	szHint.height_inc = fheight;
582	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	742	szHint.min_width = szHint.base_width + szHint.width_inc;
583	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	743	szHint.min_height = szHint.base_height + szHint.height_inc;
584		744
585	if (width && width - R->szHint.base_width < max_width) {	745	if (newwidth && newwidth - szHint.base_width < max_width)
		746	{
586	R->szHint.width = width;	747	szHint.width = newwidth;
587	R->TermWin.width = width - R->szHint.base_width;	748	width = newwidth - szHint.base_width;
588	} else {	749	}
589	MIN_IT(R->TermWin.width, max_width);	750	else
		751	{
		752	min_it (width, max_width);
590	R->szHint.width = R->szHint.base_width + R->TermWin.width;	753	szHint.width = szHint.base_width + width;
591	}	754	}
		755
592	if (height && height - R->szHint.base_height < max_height) {	756	if (newheight && newheight - szHint.base_height < max_height)
		757	{
593	R->szHint.height = height;	758	szHint.height = newheight;
594	R->TermWin.height = height - R->szHint.base_height;	759	height = newheight - szHint.base_height;
595	} else {	760	}
596	MIN_IT(R->TermWin.height, max_height);	761	else
		762	{
		763	min_it (height, max_height);
597	R->szHint.height = R->szHint.base_height + R->TermWin.height;	764	szHint.height = szHint.base_height + height;
598	}	765	}
599	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
600	R->window_sb_x = R->szHint.width - sb_w;
601		766
602	if (recalc_x)	767	if (recalc_x)
603	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	768	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
604	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	769
605	if (recalc_y)	770	if (recalc_y)
606	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	771	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
607	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
608		772
609	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	773	ncol = width / fwidth;
610	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	774	nrow = height / fheight;
611	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	775
612	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	776	// When the size of the vt window is not a multiple of the cell
613	R->szHint.height));	777	// size, i.e., when the wm does not honour our size hints, there are
614	return;	778	// extra areas not covered by the terminal screen. Such gaps, when a
		779	// bg pixmap is set, would have to be cleared manually to properly
		780	// refresh the background. We take the simpler route and shrink the
		781	// vt window so as to avoid creating gaps.
		782	vt_width = ncol * fwidth;
		783	vt_height = nrow * fheight;
615	}	784	}
616		785
617	/*----------------------------------------------------------------------*/	786	/*----------------------------------------------------------------------*/
618	/*	787	/*
619	* Tell the teletype handler what size the window is.	788	* Tell the teletype handler what size the window is.
620	* Called after a window size change.	789	* Called after a window size change.
621	*/	790	*/
622	void	791	void
623	rxvt_term::tt_winch ()	792	rxvt_term::tt_winch ()
624	{	793	{
625	struct winsize ws;	794	if (pty->pty < 0)
626
627	if (cmd_fd < 0)
628	return;	795	return;
629		796
		797	struct winsize ws;
		798
630	ws.ws_col = TermWin.ncol;	799	ws.ws_col = ncol;
631	ws.ws_row = TermWin.nrow;	800	ws.ws_row = nrow;
632	ws.ws_xpixel = ws.ws_ypixel = 0;	801	ws.ws_xpixel = vt_width;
633	#ifndef DEBUG_SIZE	802	ws.ws_ypixel = vt_height;
634	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	803	ioctl (pty->pty, TIOCSWINSZ, &ws);
		804
		805	#if 0
		806	// TIOCSWINSZ is supposed to do this automatically and correctly
		807	if (cmd_pid) /* force through to the command */
		808	kill (-cmd_pid, SIGWINCH);
		809	#endif
		810	}
		811
		812	/*----------------------------------------------------------------------*/
		813	/* load and set the various fonts */
		814	bool
		815	rxvt_term::set_fonts ()
		816	{
		817	rxvt_fontset *fs = new rxvt_fontset (this);
		818	rxvt_fontprop prop;
		819
		820	if (!fs
		821	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		822	|| !fs->realize_font (1))
		823	{
		824	delete fs;
		825	return false;
		826	}
		827
		828	#if ENABLE_STYLES
		829	for (int i = RS_styleCount; --i; )
		830	if (fontset[i] != fontset[0])
		831	delete fontset[i];
		832	#endif
		833
		834	delete fontset[0];
		835	fontset[0] = fs;
		836
		837	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		838	prop.width = max (prop.width + letterSpace, 1);
		839
		840	fs->set_prop (prop, false);
		841
		842	fwidth = prop.width;
		843	fheight = prop.height + lineSpace;
		844	fbase = prop.ascent;
		845
		846	for (int style = 1; style < 4; style++)
		847	{
		848	#if ENABLE_STYLES
		849	const char *res = rs[Rs_font + style];
		850
		851	if (res && !*res)
		852	fontset[style] = fontset[0];
		853	else
		854	{
		855	fontset[style] = fs = new rxvt_fontset (this);
		856	rxvt_fontprop prop2 = prop;
		857
		858	if (res)
		859	{
		860	fs->populate (res);
		861	fs->set_prop (prop2, false);
		862	}
		863	else
		864	{
		865	fs->populate (fontset[0]->fontdesc);
		866
		867	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		868	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		869
		870	fs->set_prop (prop2, true);
		871	}
		872
		873	}
635	#else	874	#else
636	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	875	fontset[style] = fontset[0];
637	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
638	# ifdef SIGWINCH
639	else if (cmd_pid) /* force through to the command */
640	kill (cmd_pid, SIGWINCH);
641	# endif	876	#endif
642	#endif	877	}
643	}
644		878
645	/*----------------------------------------------------------------------*/	879	if (parent)
646	/* rxvt_change_font() - Switch to a new font */	880	{
647	/*	881	resize_all_windows (0, 0, 0);
648	* init = 1 - initialize	882	scr_remap_chars ();
649	*	883	scr_touch (true);
650	* fontname == FONT_UP - switch to bigger font	884	}
651	* fontname == FONT_DN - switch to smaller font
652	*/
653	/* EXTPROTO */
654	void
655	rxvt_change_font(pR_ int init, const char *fontname)
656	{
657	}
658		885
659	/* INTPROTO */	886	return true;
		887	}
		888
660	void	889	void
661	rxvt_font_up_down(pR_ int n, int direction)	890	rxvt_term::set_string_property (Atom prop, const char *str, int len)
662	{	891	{
		892	XChangeProperty (dpy, parent,
		893	prop, XA_STRING, 8, PropModeReplace,
		894	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		895	}
		896
		897	void
		898	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		899	{
		900	XTextProperty ct;
		901
		902	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		903	{
		904	XSetTextProperty (dpy, parent, &ct, prop);
		905	XFree (ct.value);
		906	}
		907	}
		908
		909	void
		910	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		911	{
		912	wchar_t *ws = rxvt_mbstowcs (str, len);
		913	char *s = rxvt_wcstoutf8 (ws);
		914
		915	XChangeProperty (dpy, parent,
		916	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		917	(const unsigned char *)s, strlen (s));
		918
		919	free (s);
		920	free (ws);
663	}	921	}
664		922
665	/*----------------------------------------------------------------------*/	923	/*----------------------------------------------------------------------*/
666	/*----------------------------------------------------------------------*/	924	/*----------------------------------------------------------------------*/
667	/* xterm sequences - title, iconName, color (exptl) */	925	/* xterm sequences - title, iconName, color (exptl) */
668	/* EXTPROTO */
669	void	926	void
670	rxvt_set_title(pR_ const char *str)	927	rxvt_term::set_title (const char *str)
671	{	928	{
672	#ifndef SMART_WINDOW_TITLE	929	set_mbstring_property (XA_WM_NAME, str);
673	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	930	#if ENABLE_EWMH
674	#else	931	set_utf8_property (xa[XA_NET_WM_NAME], str);
675	char *name;
676
677	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
678	name = NULL;
679	if (name == NULL || STRCMP(name, str))
680	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
681	if (name)
682	XFree(name);
683	#endif	932	#endif
684	}	933	}
685		934
686	/* EXTPROTO */
687	void	935	void
688	rxvt_set_iconName(pR_ const char *str)	936	rxvt_term::set_icon_name (const char *str)
689	{	937	{
690	#ifndef SMART_WINDOW_TITLE	938	set_mbstring_property (XA_WM_ICON_NAME, str);
691	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	939	#if ENABLE_EWMH
692	#else	940	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
693	char *name;
694
695	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
696	name = NULL;
697	if (name == NULL || STRCMP(name, str))
698	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
699	if (name)
700	XFree(name);
701	#endif	941	#endif
702	}	942	}
703		943
		944	void
		945	rxvt_term::set_window_color (int idx, const char *color)
		946	{
704	#ifdef XTERM_COLOR_CHANGE	947	#ifdef XTERM_COLOR_CHANGE
705	/* EXTPROTO */
706	void
707	rxvt_set_window_color(pR_ int idx, const char *color)
708	{
709	rxvt_color xcol;
710	int i;
711
712	if (color == NULL || *color == '\0')	948	if (color == NULL || *color == '\0')
713	return;	949	return;
714		950
		951	color = strdup (color);
		952	allocated.push_back ((void *)color);
		953	rs[Rs_color + idx] = color;
		954
715	/* handle color aliases */	955	/* handle color aliases */
716	if (isdigit(*color)) {	956	if (isdigit (*color))
		957	{
717	i = atoi(color);	958	int i = atoi (color);
718	if (i >= 8 && i <= 15) { /* bright colors */	959
719	i -= 8;	960	if (i >= 8 && i <= 15)
720	# ifndef NO_BRIGHTCOLOR	961	{
721	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	962	/* bright colors */
722	SET_PIXCOLOR(R, idx);	963	alias_color (idx, minBrightCOLOR + i - 8);
723	goto Done;	964	goto done;
724	# endif
725	}	965	}
726	if (i >= 0 && i <= 7) { /* normal colors */	966
727	R->PixColors[idx] = R->PixColors[minCOLOR + i];	967	if (i >= 0 && i <= 7)
728	SET_PIXCOLOR(R, idx);	968	{
		969	/* normal colors */
		970	alias_color (idx, minCOLOR + i);
729	goto Done;	971	goto done;
730	}	972	}
731	}	973	}
732	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
733	return;
734	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
735		974
736	/*	975	pix_colors_focused[idx].free (this);
737	* FIXME: should free colors here, but no idea how to do it so instead,	976	set_color (pix_colors_focused[idx], color);
738	* so just keep gobbling up the colormap
739	*/
740	# if 0
741	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[idx] == R->PixColors[i])
743	break;
744	if (i > Color_White) {
745	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
746	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
747	DisplayPlanes(R->Xdisplay, Xscreen));
748	}
749	# endif
750		977
751	R->PixColors[idx] = xcol;	978	done:
752	SET_PIXCOLOR(R, idx);
753
754	/* XSetWindowAttributes attr; */
755	/* Cursor cursor; */
756	Done:
757	if (idx == Color_bg && !(R->Options & Opt_transparent))
758	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
759	R->PixColors[Color_bg]);
760
761	/* handle Color_BD, scrollbar background, etc. */	979	/*TODO: handle Color_BD, scrollbar background, etc. */
762		980
763	rxvt_set_colorfgbg(aR);	981	update_fade_color (idx);
764	rxvt_recolour_cursor(aR);	982	recolor_cursor ();
765	/* the only reasonable way to enforce a clean update */	983	scr_recolor ();
766	rxvt_scr_poweron(aR);	984	#endif /* XTERM_COLOR_CHANGE */
767	}	985	}
768		986
769	#else
770	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
771	#endif /* XTERM_COLOR_CHANGE */
772
773	/* EXTPROTO */
774	void	987	void
775	rxvt_recolour_cursor(pR)	988	rxvt_term::recolor_cursor ()
776	{	989	{
777	rxvt_color xcol[2];	990	XColor fg, bg;
778		991
779	#if TODO	992	(ISSET_PIXCOLOR (Color_pointer_fg)
780	xcol[0] = R->PixColors[Color_pointer];	993	? pix_colors_focused[Color_pointer_fg]
781	xcol[1] = R->PixColors[Color_bg];	994	: pix_colors_focused[Color_fg]).get (fg);
782	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	995
783	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	996	(ISSET_PIXCOLOR (Color_pointer_bg)
784	#endif	997	? pix_colors_focused[Color_pointer_bg]
		998	: pix_colors_focused[Color_bg]).get (bg);
		999
		1000	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
785	}	1001	}
786		1002
787	/*----------------------------------------------------------------------*/	1003	/*----------------------------------------------------------------------*/
788	/*	1004	/*
789	* find if fg/bg matches any of the normal (low-intensity) colors	1005	* find if fg/bg matches any of the normal (low-intensity) colors
790	*/	1006	*/
791	/* INTPROTO */	1007	char *
792	void
793	rxvt_set_colorfgbg(pR)	1008	rxvt_term::get_colorfgbg ()
794	{	1009	{
795	unsigned int i;	1010	unsigned int i;
796	const char *xpmb = "\0";	1011	const char *xpmb = "";
797	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1012	char fstr[] = "default";
		1013	char bstr[] = "default";
		1014	char *env_colorfgbg;
798		1015
799	R->env_colorfgbg =
800	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
801	STRCPY(fstr, "default");
802	STRCPY(bstr, "default");
803	for (i = Color_Black; i <= Color_White; i++)	1016	for (i = Color_Black; i <= Color_White; i++)
804	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1017	if (pix_colors[Color_fg] == pix_colors[i])
		1018	{
805	sprintf(fstr, "%d", (i - Color_Black));	1019	sprintf (fstr, "%d", i - Color_Black);
806	break;	1020	break;
807	}	1021	}
		1022
808	for (i = Color_Black; i <= Color_White; i++)	1023	for (i = Color_Black; i <= Color_White; i++)
809	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1024	if (pix_colors[Color_bg] == pix_colors[i])
		1025	{
810	sprintf(bstr, "%d", (i - Color_Black));	1026	sprintf (bstr, "%d", i - Color_Black);
811	#ifdef XPM_BACKGROUND	1027	#if BG_IMAGE_FROM_FILE
812	xpmb = "default;";	1028	xpmb = "default;";
813	#endif	1029	#endif
814	break;	1030	break;
815	}	1031	}
		1032
		1033	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
816	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1034	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
817	putenv(R->env_colorfgbg);	1035	return env_colorfgbg;
818
819	#ifndef NO_BRIGHTCOLOR
820	R->colorfgbg = DEFAULT_RSTYLE;
821	for (i = minCOLOR; i <= maxCOLOR; i++) {
822	if (R->PixColors[Color_fg] == R->PixColors[i])
823	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
824	if (R->PixColors[Color_bg] == R->PixColors[i])
825	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
826	}
827	#endif
828	}	1036	}
829		1037
830	/*----------------------------------------------------------------------*/	1038	/*----------------------------------------------------------------------*/
831	/*
832	* Colour determination for low colour displays, routine from
833	* Hans de Goede <hans@highrise.nl>
834	*/
835		1039
836	/* EXTPROTO */	1040	bool
837	int	1041	rxvt_term::set_color (rxvt_color &color, const char *name)
838	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
839	{	1042	{
840	screen_in_out->set(aR_ colour);	1043	if (color.set (this, name))
841
842	if (!screen_in_out->set(aR_ colour)) {
843	rxvt_print_error("can't allocate colour: %s", colour);
844	return false;
845	}
846
847	return true;	1044	return true;
		1045
		1046	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		1047	return false;
848	}	1048	}
		1049
		1050	void
		1051	rxvt_term::alias_color (int dst, int src)
		1052	{
		1053	pix_colors[dst].free (this);
		1054	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
		1055	}
		1056
		1057	#ifdef SMART_RESIZE
		1058	static unsigned int
		1059	get_parent_bw (Display *dpy, Window w)
		1060	{
		1061	int idummy;
		1062	unsigned int udummy;
		1063	Window wdummy, parent;
		1064	Window *children;
		1065	unsigned int nchildren, border_width;
		1066
		1067	XQueryTree (dpy, w, &wdummy, &parent, &children, &nchildren);
		1068	XFree (children);
		1069	XGetGeometry (dpy, parent, &wdummy, &idummy, &idummy,
		1070	&udummy, &udummy, &border_width, &udummy);
		1071
		1072	return border_width;
		1073	}
		1074	#endif
849		1075
850	/* -------------------------------------------------------------------- *	1076	/* -------------------------------------------------------------------- *
851	* - WINDOW RESIZING - *	1077	* - WINDOW RESIZING - *
852	* -------------------------------------------------------------------- */	1078	* -------------------------------------------------------------------- */
853	/* EXTPROTO */
854	void	1079	void
855	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1080	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
856	int ignoreparent)
857	{	1081	{
858	int fix_screen;	1082	int fix_screen;
		1083	int old_width = szHint.width;
		1084	int old_height = szHint.height;
859		1085
		1086	window_calc (newwidth, newheight);
		1087
		1088	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1089
		1090	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1091	if (set_hint)
		1092	{
		1093	szHint.flags &= ~(PBaseSize | PResizeInc);
		1094	XSetWMNormalHints (dpy, parent, &szHint);
		1095	szHint.flags |= PBaseSize | PResizeInc;
		1096	}
		1097
		1098	if (!ignoreparent)
		1099	{
860	#ifdef SMART_RESIZE	1100	#ifdef SMART_RESIZE
861	int old_width = R->szHint.width, old_height = R->szHint.height;	1101	/*
862	#endif
863
864	rxvt_window_calc(aR_ width, height);
865	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
866	if (!ignoreparent) {
867	#ifdef SMART_RESIZE
868	/*
869	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1102	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
870	* reposition window on resize depending on placement on screen	1103	* reposition window on resize depending on placement on screen
871	*/	1104	*/
872	int x, y, x1, y1;	1105	int x, y, x1, y1;
873	int dx, dy;	1106	int dx, dy;
874	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1107	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
875	Window unused_cr;	1108	Window unused_cr;
876		1109
877	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1110	XTranslateCoordinates (dpy, parent, display->root,
878	0, 0, &x, &y, &unused_cr);	1111	0, 0, &x, &y, &unused_cr);
879	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1112	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
880	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1113	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
881	/*	1114	/*
882	* if Xroot isn't the parent window, a WM will probably have offset	1115	* if display->root isn't the parent window, a WM will probably have offset
883	* our position for handles and decorations. Counter it	1116	* our position for handles and decorations. Counter it
884	*/	1117	*/
885	if (x1 != x || y1 != y) {	1118	if (x1 != x || y1 != y)
886	x -= x1;	1119	{
887	y -= y1;	1120	unsigned int border_width = get_parent_bw (dpy, parent);
		1121
		1122	x -= x1 + border_width;
		1123	y -= y1 + border_width;
888	}	1124	}
889		1125
890	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1126	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
891	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1127	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
892	dx = old_width - R->szHint.width;	1128	dx = old_width - szHint.width;
893	dy = old_height - R->szHint.height;	1129	dy = old_height - szHint.height;
894		1130
895	/* Check position of the center of the window */	1131	/* Check position of the center of the window */
896	if (x < x1) /* left half */	1132	if (x < x1) /* left half */
897	dx = 0;	1133	dx = 0;
898	else if (x == x1) /* exact center */	1134	else if (x == x1) /* exact center */
899	dx /= 2;	1135	dx /= 2;
900	if (y < y1) /* top half */	1136	if (y < y1) /* top half */
901	dy = 0;	1137	dy = 0;
902	else if (y == y1) /* exact center */	1138	else if (y == y1) /* exact center */
903	dy /= 2;	1139	dy /= 2;
904		1140
905	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1141	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
906	R->szHint.width, R->szHint.height);	1142	szHint.width, szHint.height);
907	#else	1143	#else
908	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1144	XResizeWindow (dpy, parent, szHint.width, szHint.height);
909	R->szHint.height);
910	#endif	1145	#endif
911	}	1146	}
912		1147
913	fix_screen = (R->TermWin.ncol != R->prev_ncol	1148	if (set_hint)
914	|| R->TermWin.nrow != R->prev_nrow);	1149	XSetWMNormalHints (dpy, parent, &szHint);
		1150
		1151	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1152
915	if (fix_screen || width != R->old_width || height != R->old_height) {	1153	if (fix_screen || newwidth != old_width || newheight != old_height)
916	if (scrollbar_visible(R)) {
917	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
918	0, scrollbar_TotalWidth(), R->szHint.height);
919	rxvt_Resize_scrollBar(aR);
920	}
921	if (menubar_visible(R))
922	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
923	0, TermWin_TotalWidth(), menuBar_TotalHeight());
924	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
925	R->window_vt_y, TermWin_TotalWidth(),
926	TermWin_TotalHeight());
927	#ifdef RXVT_GRAPHICS
928	if (R->old_height)
929	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
930	R->old_height - R->szHint.base_height);
931	#endif
932	rxvt_scr_clear(aR);
933	#ifdef XPM_BACKGROUND
934	rxvt_resize_pixmap(aR);
935	#endif
936	}	1154	{
		1155	if (scrollBar.state)
		1156	scrollBar.resize ();
937		1157
		1158	XMoveResizeWindow (dpy, vt,
		1159	window_vt_x, window_vt_y,
		1160	vt_width, vt_height);
		1161
		1162	HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1163
		1164	#ifdef HAVE_BG_PIXMAP
		1165	if (bg_window_size_sensitive ())
		1166	update_background ();
		1167	#endif
		1168	}
		1169
938	if (fix_screen || R->old_height == 0) {	1170	if (fix_screen || old_height == 0)
939	int curr_screen = -1;
940	uint16_t old_ncol = R->prev_ncol;
941
942	/* scr_reset only works on the primary screen */
943	if (R->old_height) /* this is not the first time through */
944	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
945
946	R->scr_reset();	1171	scr_reset ();
947		1172
948	if (curr_screen >= 0) { /* this is not the first time through */
949	rxvt_scr_change_screen(aR_ curr_screen);
950	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
951	}
952	}
953
954	R->old_width = R->szHint.width;
955	R->old_height = R->szHint.height;
956
957	#ifdef USE_XIM	1173	#if USE_XIM
958	rxvt_IMSetStatusPosition(aR);	1174	im_set_position ();
959	#endif	1175	#endif
960	}	1176	}
961		1177
962	/*	1178	/*
963	* Set the width/height of the vt window in characters. Units are pixels.	1179	* Set the width/height of the vt window in characters. Units are pixels.
964	* good for toggling 80/132 columns	1180	* good for toggling 80/132 columns
965	*/	1181	*/
966	/* EXTPROTO */
967	void	1182	void
968	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1183	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
969	{	1184	{
970	XWindowAttributes wattr;	1185	XWindowAttributes wattr;
971		1186
972	if (width == 0 || height == 0) {	1187	if (newwidth == 0 || newheight == 0)
		1188	{
973	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1189	XGetWindowAttributes (dpy, display->root, &wattr);
		1190
974	if (width == 0)	1191	if (newwidth == 0)
975	width = wattr.width - R->szHint.base_width;	1192	newwidth = wattr.width - szHint.base_width;
976	if (height == 0)	1193	if (newheight == 0)
977	height = wattr.height - R->szHint.base_height;	1194	newheight = wattr.height - szHint.base_height;
		1195	}
		1196
		1197	if (newwidth != vt_width || newheight != vt_height)
978	}	1198	{
979	if (width != R->TermWin.width || height != R->TermWin.height) {
980	width += R->szHint.base_width;	1199	newwidth += szHint.base_width;
981	height += R->szHint.base_height;	1200	newheight += szHint.base_height;
982	rxvt_resize_all_windows(aR_ width, height, 0);	1201	resize_all_windows (newwidth, newheight, 0);
983	}	1202	}
984	}	1203	}
985		1204
986	/* -------------------------------------------------------------------- *	1205	/* -------------------------------------------------------------------- *
987	* - X INPUT METHOD ROUTINES - *	1206	* - X INPUT METHOD ROUTINES - *
988	* -------------------------------------------------------------------- */	1207	* -------------------------------------------------------------------- */
989	#ifdef USE_XIM	1208	#if USE_XIM
990	/* INTPROTO */
991	void
992	rxvt_setSize(pR_ XRectangle * size)
993	{
994	size->x = R->TermWin.int_bwidth;
995	size->y = R->TermWin.int_bwidth;
996	size->width = Width2Pixel(R->TermWin.ncol);
997	size->height = Height2Pixel(R->TermWin.nrow);
998	}
999		1209
1000	/* INTPROTO */
1001	void	1210	void
1002	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1211	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1003	{	1212	{
1004	*fg = R->PixColors[Color_fg];	1213	fg = pix_colors [Color_fg];
1005	*bg = R->PixColors[Color_bg];	1214	bg = pix_colors [Color_bg];
		1215	}
		1216
		1217	void
		1218	rxvt_term::im_set_size (XRectangle &size)
		1219	{
		1220	// the int_bwidth terms make no sense to me
		1221	size.x = int_bwidth;
		1222	size.y = int_bwidth;
		1223	size.width = Width2Pixel (ncol) + int_bwidth;
		1224	size.height = Height2Pixel (nrow) + int_bwidth;
		1225	}
		1226
		1227	void
		1228	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1229	XRectangle &status_rect,
		1230	const XRectangle &needed_rect)
		1231	{
		1232	preedit_rect.x = needed_rect.width;
		1233	preedit_rect.y = 0;
		1234	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1235	preedit_rect.height = fheight;
		1236
		1237	status_rect.x = 0;
		1238	status_rect.y = 0;
		1239	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1240	status_rect.height = fheight;
1006	}	1241	}
1007		1242
1008	/* Checking whether input method is running. */	1243	/* Checking whether input method is running. */
1009	/* INTPROTO */
1010	Bool	1244	bool
1011	rxvt_IMisRunning(pR)	1245	rxvt_term::im_is_running ()
1012	{	1246	{
1013	char *p;	1247	Atom atom;
1014	Atom atom;	1248	Window win;
1015	Window win;
1016	char server[IMBUFSIZ];	1249	char server[IMBUFSIZ];
1017		1250
1018	/* get current locale modifier */	1251	/* get current locale modifier */
1019	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1252	if (char *p = XSetLocaleModifiers (0))
		1253	{
1020	STRCPY(server, "@server=");	1254	strcpy (server, "@server=");
1021	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1255	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1256
1022	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1257	if (p = strchr (server + 1, '@')) /* first one only */
1023	*p = '\0';	1258	*p = '\0';
1024		1259
1025	atom = XInternAtom(R->Xdisplay, server, False);	1260	atom = XInternAtom (dpy, server, False);
1026	win = XGetSelectionOwner(R->Xdisplay, atom);	1261	win = XGetSelectionOwner (dpy, atom);
		1262
1027	if (win != None)	1263	if (win != None)
1028	return True;	1264	return true;
1029	}	1265	}
		1266
1030	return False;	1267	return false;
1031	}	1268	}
1032		1269
1033	/* EXTPROTO */
1034	void	1270	void
1035	rxvt_IMSendSpot(pR)	1271	rxvt_term::im_send_spot ()
1036	{	1272	{
1037	XPoint spot;	1273	XPoint nspot;
1038	XVaNestedList preedit_attr;	1274	XVaNestedList preedit_attr;
1039		1275
1040	if (R->Input_Context == NULL	1276	if (!Input_Context
1041	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1277	|| !focus
1042	|| !(R->event_type == KeyPress	1278	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1043	|| R->event_type == Expose
1044	|| R->event_type == NoExpose
1045	|| R->event_type == SelectionNotify
1046	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1047	|| !rxvt_IMisRunning(aR))
1048	return;	1279	return;
1049		1280
1050	rxvt_setPosition(aR_ & spot);	1281	im_set_position (nspot);
1051		1282
		1283	if (nspot.x == spot.x && nspot.y == spot.y)
		1284	return;
		1285
		1286	spot = nspot;
		1287
1052	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1288	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1053	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1289	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1054	XFree(preedit_attr);	1290	XFree (preedit_attr);
1055	}	1291	}
1056		1292
1057	/* EXTPROTO */
1058	void	1293	void
1059	rxvt_setTermFontSet(pR_ int idx)	1294	rxvt_term::im_destroy ()
1060	{	1295	{
1061	char *string;	1296	if (input_method)
1062	long length;	1297	{
1063	int success = 0;	1298	if (Input_Context && input_method->xim)
		1299	XDestroyIC (Input_Context);
1064		1300
1065	if (idx < 0 || idx >= MAX_NFONTS)	1301	display->put_xim (input_method);
1066	return;	1302	input_method = 0;
1067	}	1303	}
1068		1304
1069	/* INTPROTO */
1070	void
1071	rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1072	XRectangle * needed_rect)
1073	{
1074	int mbh, vtx = 0;
1075
1076	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1077	vtx = scrollbar_TotalWidth();
1078	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1079	mbh -= R->TermWin.lineSpace;
1080
1081	preedit_rect->x = needed_rect->width + vtx;
1082	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1083
1084	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1085	+ vtx;
1086	preedit_rect->height = Height2Pixel(1);
1087
1088	status_rect->x = vtx;
1089	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1090
1091	status_rect->width = needed_rect->width ? needed_rect->width
1092	: Width2Pixel(R->TermWin.ncol + 1);
1093	status_rect->height = Height2Pixel(1);
1094	}
1095
1096	/* ARGSUSED */
1097	/* INTPROTO */
1098	void
1099	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1100	__attribute__ ((unused)), XPointer call_data
1101	__attribute__ ((unused)))
1102	{
1103	dR;
1104
1105	R->Input_Context = NULL;	1305	Input_Context = 0;
1106	/* To avoid Segmentation Fault in C locale: Solaris only? */
1107	if (STRCMP(R->locale, "C"))
1108	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1109	rxvt_IMInstantiateCallback, NULL);
1110	}	1306	}
		1307
		1308	#ifdef ENABLE_XIM_ONTHESPOT
		1309
		1310	static void
		1311	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1312	{
		1313	((rxvt_term *)client_data)->make_current ();
		1314	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1315	}
		1316
		1317	static void
		1318	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1319	{
		1320	((rxvt_term *)client_data)->make_current ();
		1321	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1322	}
		1323
		1324	static void
		1325	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1326	{
		1327	rxvt_term *term = (rxvt_term *)client_data;
		1328	XIMText *text = call_data->text;
		1329
		1330	term->make_current ();
		1331
		1332	if (text)
		1333	{
		1334	wchar_t *str;
		1335
		1336	if (!text->encoding_is_wchar && text->string.multi_byte)
		1337	{
		1338	// of course, X makes it ugly again
		1339	if (term->rs[Rs_imLocale])
		1340	SET_LOCALE (term->rs[Rs_imLocale]);
		1341
		1342	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1343	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1344
		1345	if (term->rs[Rs_imLocale])
		1346	SET_LOCALE (term->locale);
		1347	}
		1348	else
		1349	str = text->string.wide_char;
		1350
		1351	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1352	DT_INT, call_data->caret,
		1353	DT_INT, call_data->chg_first,
		1354	DT_INT, call_data->chg_length,
		1355	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1356	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1357	DT_END));
		1358	}
		1359	else
		1360	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1361	DT_INT, call_data->caret,
		1362	DT_INT, call_data->chg_first,
		1363	DT_INT, call_data->chg_length,
		1364	DT_END));
		1365	}
		1366
		1367	#if 0
		1368	static void
		1369	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1370	{
		1371	((rxvt_term *)client_data)->make_current ();
		1372	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1373	DT_INT, call_data->position,
		1374	DT_INT, call_data->direction,
		1375	DT_INT, call_data->style,
		1376	DT_END));
		1377	}
		1378	#endif
		1379
		1380	#endif
1111		1381
1112	/*	1382	/*
1113	* X manual pages and include files don't match on some systems:	1383	* Try to open a XIM with the current modifiers, then see if we can
1114	* some think this is an XIDProc and others an XIMProc so we can't	1384	* open a suitable preedit type
1115	* use the first argument - need to update this to be nice for
1116	* both types via some sort of configure detection
1117	*/	1385	*/
1118	/* ARGSUSED */	1386	bool
1119	/* EXTPROTO */	1387	rxvt_term::im_get_ic (const char *modifiers)
1120	void
1121	rxvt_IMInstantiateCallback(Display * unused
1122	__attribute__ ((unused)), XPointer client_data
1123	__attribute__ ((unused)), XPointer call_data
1124	__attribute__ ((unused)))
1125	{	1388	{
1126	dR;	1389	int i, j, found;
1127	int i, found, had_im;	1390	XIM xim;
		1391	XPoint spot;
		1392	XRectangle rect, status_rect, needed_rect;
		1393	unsigned long fg, bg;
		1394	const char *p;
		1395	char **s;
		1396	XIMStyles *xim_styles;
		1397
		1398	set_environ (env);
		1399
		1400	if (!((p = XSetLocaleModifiers (modifiers)) && *p))
		1401	return false;
		1402
		1403	input_method = display->get_xim (locale, modifiers);
		1404	if (input_method == NULL)
		1405	return false;
		1406
		1407	xim = input_method->xim;
		1408	spot.x = spot.y = -1;
		1409
		1410	xim_styles = NULL;
		1411	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
		1412	|| !xim_styles || !xim_styles->count_styles)
		1413	{
		1414	im_destroy ();
		1415	return false;
		1416	}
		1417
		1418	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1419
		1420	for (int pi = 0; pi < 2; pi++)
		1421	{
		1422	p = pet[pi];
		1423
		1424	if (!p)
		1425	continue;
		1426
		1427	s = rxvt_strsplit (',', p);
		1428
		1429	for (i = found = 0; !found && s[i]; i++)
		1430	{
		1431	if (!strcmp (s[i], "OverTheSpot"))
		1432	input_style = XIMPreeditPosition | XIMStatusNothing;
		1433	else if (!strcmp (s[i], "OffTheSpot"))
		1434	input_style = XIMPreeditArea | XIMStatusArea;
		1435	else if (!strcmp (s[i], "Root"))
		1436	input_style = XIMPreeditNothing | XIMStatusNothing;
		1437	else if (!strcmp (s[i], "None"))
		1438	input_style = XIMPreeditNone | XIMStatusNone;
		1439	#ifdef ENABLE_XIM_ONTHESPOT
		1440	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1441	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1442	#endif
		1443	else
		1444	input_style = XIMPreeditNothing | XIMStatusNothing;
		1445
		1446	for (j = 0; j < xim_styles->count_styles; j++)
		1447	if (input_style == xim_styles->supported_styles[j])
		1448	{
		1449	rxvt_free_strsplit (s);
		1450
		1451	found = 1;
		1452	goto foundpet;
		1453	}
		1454
		1455	}
		1456
		1457	rxvt_free_strsplit (s);
		1458	}
		1459
		1460	foundpet:
		1461
		1462	XFree (xim_styles);
		1463
		1464	if (!found)
		1465	{
		1466	im_destroy ();
		1467	return false;
		1468	}
		1469
		1470	XFontSet fs = 0;
		1471	XVaNestedList preedit_attr = 0, status_attr = 0;
		1472
		1473	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1474	{
		1475	// fake us a font-set, please
		1476	char **missing_charset_list;
		1477	int missing_charset_count;
		1478	char *def_string;
		1479	char pat[512];
		1480
		1481	sprintf (pat,
		1482	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1483	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1484	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1485	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1486	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1487	"*",
		1488	fheight,
		1489	fheight + 1, fheight - 1,
		1490	fheight - 2, fheight + 2);
		1491
		1492	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1493	&missing_charset_list, &missing_charset_count, &def_string);
		1494
		1495	if (missing_charset_list)
		1496	XFreeStringList (missing_charset_list);
		1497
		1498	if (!fs)
		1499	{
		1500	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1501	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1502	}
		1503	}
		1504
		1505	if (input_style & XIMPreeditPosition)
		1506	{
		1507	im_set_size (rect);
		1508	im_set_position (spot);
		1509	im_set_color (fg, bg);
		1510
		1511	preedit_attr = XVaCreateNestedList (0,
		1512	XNForeground, fg,
		1513	XNBackground, bg,
		1514	XNArea, &rect,
		1515	XNSpotLocation, &spot,
		1516	XNFontSet, fs,
		1517	NULL);
		1518	}
		1519	else if (input_style & XIMPreeditArea)
		1520	{
		1521	im_set_color (fg, bg);
		1522
		1523	/*
		1524	* The necessary width of preedit area is unknown
		1525	* until create input context.
		1526	*/
		1527	needed_rect.width = 0;
		1528	im_set_preedit_area (rect, status_rect, needed_rect);
		1529
		1530	preedit_attr = XVaCreateNestedList (0,
		1531	XNForeground, fg,
		1532	XNBackground, bg,
		1533	XNArea, &rect,
		1534	XNFontSet, fs,
		1535	NULL);
		1536	status_attr = XVaCreateNestedList (0,
		1537	XNForeground, fg,
		1538	XNBackground, bg,
		1539	XNArea, &status_rect,
		1540	XNFontSet, fs,
		1541	NULL);
		1542	}
		1543	#if ENABLE_XIM_ONTHESPOT
		1544	else if (input_style & XIMPreeditCallbacks)
		1545	{
		1546	XIMCallback xcb[4];
		1547
		1548	im_set_position (spot);
		1549
		1550	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1551	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1552	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1553	# if 0
		1554	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1555	# endif
		1556
		1557	preedit_attr = XVaCreateNestedList (0,
		1558	XNSpotLocation, &spot,
		1559	XNPreeditStartCallback, &xcb[0],
		1560	XNPreeditDoneCallback , &xcb[1],
		1561	XNPreeditDrawCallback , &xcb[2],
		1562	# if 0
		1563	XNPreeditCaretCallback, &xcb[3],
		1564	# endif
		1565	NULL);
		1566	}
		1567	#endif
		1568
		1569	Input_Context = XCreateIC (xim,
		1570	XNInputStyle, input_style,
		1571	XNClientWindow, vt,
		1572	XNFocusWindow, parent,
		1573	preedit_attr ? XNPreeditAttributes : NULL,
		1574	preedit_attr,
		1575	status_attr ? XNStatusAttributes : NULL,
		1576	status_attr, NULL);
		1577
		1578	if (preedit_attr) XFree (preedit_attr);
		1579	if (status_attr) XFree (status_attr);
		1580	if (fs) XFreeFontSet (dpy, fs);
		1581
		1582	if (Input_Context == NULL)
		1583	{
		1584	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1585	im_destroy ();
		1586	return false;
		1587	}
		1588
		1589	#if 0
		1590	// unfortunately, only the focus window is used by XIM, hard to fix
		1591	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1592	vt_select_input ();
		1593	#endif
		1594
		1595	im_set_position ();
		1596
		1597	return true;
		1598	}
		1599
		1600	void
		1601	rxvt_term::im_cb ()
		1602	{
		1603	int i;
1128	const char *p;	1604	const char *p;
1129	char **s;	1605	char **s;
1130	char buf[IMBUFSIZ];	1606	char buf[IMBUFSIZ];
1131		1607
1132	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1608	make_current ();
		1609
		1610	im_destroy ();
		1611
1133	if (R->Input_Context)	1612	if (Input_Context)
1134	return;	1613	return;
1135		1614
		1615	if (rs[Rs_imLocale])
		1616	SET_LOCALE (rs[Rs_imLocale]);
		1617
1136	p = R->rs[Rs_inputMethod];	1618	p = rs[Rs_inputMethod];
1137	if (p && *p)	1619	if (p && *p)
1138	{	1620	{
1139	bool found = false;	1621	bool found = false;
1140		1622
1141	s = rxvt_splitcommastring (p);	1623	s = rxvt_strsplit (',', p);
		1624
1142	for (i = 0; s[i]; i++)	1625	for (i = 0; s[i]; i++)
1143	{	1626	{
1144	if (*s[i])	1627	if (*s[i])
1145	{	1628	{
1146	STRCPY (buf, "@im=");	1629	strcpy (buf, "@im=");
1147	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1630	strncat (buf, s[i], IMBUFSIZ - 5);
1148	if ((p = XSetLocaleModifiers (buf)) && *p	1631	if (im_get_ic (buf))
1149	&& rxvt_IM_get_IC (aR))
1150	{	1632	{
1151	found = true;	1633	found = true;
1152	break;	1634	break;
1153	}	1635	}
1154	}	1636	}
1155	}	1637	}
1156	for (i = 0; s[i]; i++)	1638
1157	free(s[i]);	1639	rxvt_free_strsplit (s);
1158	free(s);
1159		1640
1160	if (found)	1641	if (found)
1161	return;	1642	goto done;
1162	}	1643	}
1163		1644
1164	/* try with XMODIFIERS env. var. */	1645	/* try with XMODIFIERS env. var. */
1165	if ((p = XSetLocaleModifiers ("")) && *p	1646	if (im_get_ic (""))
1166	&& rxvt_IM_get_IC (aR))	1647	goto done;
		1648
		1649	/* try with no modifiers base IF the user didn't specify an IM */
		1650	if (im_get_ic ("@im=none"))
		1651	goto done;
		1652
		1653	done:
		1654	if (rs[Rs_imLocale])
		1655	SET_LOCALE (locale);
		1656	}
		1657
		1658	void
		1659	rxvt_term::im_set_position ()
		1660	{
		1661	XRectangle preedit_rect, status_rect, *needed_rect;
		1662	XVaNestedList preedit_attr, status_attr;
		1663
		1664	if (!Input_Context
		1665	|| !focus
		1666	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
		1667	|| !im_is_running ())
1167	return;	1668	return;
1168		1669
1169	/* try with no modifiers base IF the user didn't specify an IM */	1670	if (input_style & XIMPreeditPosition)
1170	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1671	{
1171	&& rxvt_IM_get_IC (aR) == True)	1672	im_set_size (preedit_rect);
		1673	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1674
		1675	XSetICValues (Input_Context,
		1676	XNPreeditAttributes, preedit_attr, NULL);
		1677	}
		1678	else
		1679	{
		1680	/* Getting the necessary width of preedit area */
		1681	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
		1682	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
		1683	XFree (status_attr);
		1684
		1685	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1686	XFree (needed_rect);
		1687
		1688	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1689	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
		1690
		1691	XSetICValues (Input_Context,
		1692	XNPreeditAttributes, preedit_attr,
		1693	XNStatusAttributes, status_attr,
		1694	NULL);
		1695
		1696	XFree (status_attr);
		1697	}
		1698
		1699	XFree (preedit_attr);
		1700	}
		1701	#endif /* USE_XIM */
		1702
		1703	void
		1704	rxvt_term::get_window_origin (int &x, int &y)
		1705	{
		1706	Window cr;
		1707	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1708	}
		1709
		1710	#ifdef HAVE_BG_PIXMAP
		1711
		1712	void
		1713	rxvt_term::update_background ()
		1714	{
		1715	if (update_background_ev.is_active ())
1172	return;	1716	return;
1173	}
1174		1717
1175	/*	1718	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
1176	* Try to open a XIM with the current modifiers, then see if we can
1177	* open a suitable preedit type
1178	*/
1179	/* INTPROTO */
1180	Bool
1181	rxvt_IM_get_IC(pR)
1182	{
1183	int i, j, found;
1184	XIM xim;
1185	XPoint spot;
1186	XRectangle rect, status_rect, needed_rect;
1187	unsigned long fg, bg;
1188	const char *p;
1189	char **s;
1190	XIMStyles *xim_styles;
1191	XVaNestedList preedit_attr, status_attr;
1192	XIMCallback ximcallback;
1193		1719
1194	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1720	if (to_wait <= 0.)
1195	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1721	bg_render ();
1196	if (xim == NULL)	1722	else
1197	return False;	1723	update_background_ev.start (to_wait);
1198
1199	xim_styles = NULL;
1200	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)
1201	|| !xim_styles || !xim_styles->count_styles) {
1202	XCloseIM(xim);
1203	return False;
1204	}
1205
1206	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]
1207	: "OverTheSpot,OffTheSpot,Root";
1208	s = rxvt_splitcommastring(p);
1209	for (i = found = 0; !found && s[i]; i++) {
1210	if (!STRCMP(s[i], "OverTheSpot"))
1211	R->input_style = (XIMPreeditPosition | XIMStatusNothing);
1212	else if (!STRCMP(s[i], "OffTheSpot"))
1213	R->input_style = (XIMPreeditArea | XIMStatusArea);
1214	else if (!STRCMP(s[i], "Root"))
1215	R->input_style = (XIMPreeditNothing | XIMStatusNothing);
1216
1217	for (j = 0; j < xim_styles->count_styles; j++)
1218	if (R->input_style == xim_styles->supported_styles[j]) {
1219	found = 1;
1220	break;
1221	}
1222	}
1223	for (i = 0; s[i]; i++)
1224	free(s[i]);
1225	free(s);
1226	XFree(xim_styles);
1227
1228	if (!found) {
1229	XCloseIM(xim);
1230	return False;
1231	}
1232
1233	ximcallback.callback = rxvt_IMDestroyCallback;
1234
1235	/* XXX: not sure why we need this (as well as IC one below) */
1236	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1237
1238	preedit_attr = status_attr = NULL;
1239
1240	if (R->input_style & XIMPreeditPosition) {
1241	rxvt_setSize(aR_ & rect);
1242	rxvt_setPosition(aR_ & spot);
1243	rxvt_setColor(aR_ & fg, &bg);
1244
1245	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1246	XNSpotLocation, &spot,
1247	XNForeground, fg, XNBackground, bg,
1248	//XNFontSet, R->TermWin.fontset,
1249	NULL);
1250	} else if (R->input_style & XIMPreeditArea) {
1251	rxvt_setColor(aR_ & fg, &bg);
1252
1253	/*
1254	* The necessary width of preedit area is unknown
1255	* until create input context.
1256	*/
1257	needed_rect.width = 0;
1258
1259	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1260
1261	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1262	XNForeground, fg, XNBackground, bg,
1263	//XNFontSet, R->TermWin.fontset,
1264	NULL);
1265	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1266	XNForeground, fg, XNBackground, bg,
1267	//XNFontSet, R->TermWin.fontset,
1268	NULL);
1269	}
1270	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1271	XNClientWindow, R->TermWin.parent[0],
1272	XNFocusWindow, R->TermWin.parent[0],
1273	XNDestroyCallback, &ximcallback,
1274	preedit_attr ? XNPreeditAttributes : NULL,
1275	preedit_attr,
1276	status_attr ? XNStatusAttributes : NULL,
1277	status_attr, NULL);
1278	if (preedit_attr)
1279	XFree(preedit_attr);
1280	if (status_attr)
1281	XFree(status_attr);
1282	if (R->Input_Context == NULL) {
1283	rxvt_print_error("failed to create input context");
1284	XCloseIM(xim);
1285	return False;
1286	}
1287	if (R->input_style & XIMPreeditArea)
1288	rxvt_IMSetStatusPosition(aR);
1289	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1290	return True;
1291	}	1724	}
1292		1725
1293	/* EXTPROTO */
1294	void	1726	void
1295	rxvt_IMSetStatusPosition(pR)	1727	rxvt_term::update_background_cb (ev::timer &w, int revents)
1296	{	1728	{
1297	XRectangle preedit_rect, status_rect, *needed_rect;	1729	make_current ();
1298	XVaNestedList preedit_attr, status_attr;
1299		1730
1300	if (R->Input_Context == NULL	1731	update_background_ev.stop ();
1301	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1732	bg_render ();
1302	|| !rxvt_IMisRunning(aR))	1733	refresh_check ();
1303	return;
1304
1305	/* Getting the necessary width of preedit area */
1306	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);
1307	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);
1308	XFree(status_attr);
1309
1310	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);
1311
1312	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);
1313	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);
1314
1315	XSetICValues(R->Input_Context,
1316	XNPreeditAttributes, preedit_attr,
1317	XNStatusAttributes, status_attr, NULL);
1318
1319	XFree(preedit_attr);
1320	XFree(status_attr);
1321	}	1734	}
1322	#endif /* USE_XIM */
1323		1735
1324	/*----------------------------------------------------------------------*/	1736	#endif /* HAVE_BG_PIXMAP */
1325	rxvt_t rxvt_current_term;
1326		1737
1327	/*----------------------- end-of-file (C source) -----------------------*/	1738	/*----------------------- end-of-file (C source) -----------------------*/

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