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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.10 by pcg, Wed Dec 3 23:19:44 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 1.10 2003/12/03 23:19:44 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	{	187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		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
74	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;
75	}	213	}
76		214
77	rxvt_term::~rxvt_term ()	215	rxvt_term::~rxvt_term ()
78	{	216	{
79	rxvt_scr_release (this);	217	termlist.erase (find (termlist.begin (), termlist.end(), this));
80		218
81	#ifndef NO_SETOWNER_TTYDEV	219	emergency_cleanup ();
82	rxvt_privileged_ttydev (this, RESTORE);	220
		221	#if ENABLE_STYLES
		222	for (int i = RS_styleCount; --i; )
		223	if (fontset[i] != fontset[0])
		224	delete fontset[i];
83	#endif	225	#endif
84	#ifdef UTMP_SUPPORT	226	delete fontset[0];
85	rxvt_privileged_utmp (this, RESTORE);	227
		228	#ifdef HAVE_BG_PIXMAP
		229	bg_destroy ();
86	#endif	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
87	#ifdef USE_XIM	241	#if USE_XIM
88	if (Input_Context != NULL)	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);
89	{	269	}
90	XDestroyIC (Input_Context);
91	Input_Context = NULL;
92	}
93	#endif
94		270
95	if (cmd_fd >= 0)	271	scr_release ();
96	close (cmd_fd);
97		272
98	if (Xfd >= 0)	273	/* clear all resources */
99	XCloseDisplay (Xdisplay);	274	for (int i = 0; i < allocated.size (); i++)
		275	free (allocated [i]);
100		276
101	delete PixColors;	277	free (selection.text);
		278	free (selection.clip_text);
		279	free (locale);
		280	free (v_buffer);
		281
		282	delete selection_req;
		283
		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 ();
102	}	312	}
103		313
104	void	314	void
105	rxvt_term::destroy ()	315	rxvt_term::destroy ()
106	{	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
107	check_ev.stop ();	339	flush_ev.stop ();
108	pty_ev.stop ();	340	pty_ev.stop ();
109	x_ev.stop ();
110	#ifdef CURSOR_BLINK	341	#ifdef CURSOR_BLINK
		342	cursor_blink_ev.stop ();
		343	#endif
		344	#ifdef TEXT_BLINK
111	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 ();
112	#endif	352	#endif
113	#ifdef POINTER_BLANK	353	#ifdef POINTER_BLANK
114	pointer_ev.stop ();	354	pointer_ev.stop ();
115	#endif	355	#endif
116		356
117	destroy_ev.start (0);	357	destroy_ev.start ();
118	}	358	}
119		359
120	void	360	void
121	rxvt_term::destroy_cb (time_watcher &w)	361	rxvt_term::destroy_cb (ev::idle &w, int revents)
122	{	362	{
123	SET_R (this);	363	make_current ();
124		364
125	delete this;	365	delete this;
126	}	366	}
127		367
128	/*----------------------------------------------------------------------*/	368	void
129	/* rxvt_init() */	369	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
130	/* LIBPROTO */
131	rxvt_t
132	rxvt_init (int argc, const char *const *argv)
133	{	370	{
134	SET_R (new rxvt_term);	371	if (!opt)
135	dR;
136
137	if (!R->init_vars () || !R->init (argc, argv))
138	{
139	delete R;
140	return NULL;
141	}
142
143	return R;	372	return;
144	}
145		373
146	/* EXTPROTO */	374	uint8_t mask = 1 << (opt & 7);
147	void	375	uint8_t &val = options [opt >> 3];
148	rxvt_init_signals ()
149	{
150	/* install exit handler for cleanup */
151	#if 0
152	#ifdef HAVE_ATEXIT
153	atexit(rxvt_clean_exit);
154	#else
155	#endif
156	#endif
157		376
158	struct sigaction sa;	377	val = val & ~mask | (set ? mask : 0);
159
160	sigfillset (&sa.sa_mask);
161	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
162	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
163	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
164	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
165	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
166	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
167	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
168
169	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
170	/* signal (SIGURG, SIG_DFL); */
171
172	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
173	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
174	}
175
176	bool
177	rxvt_term::init (int argc, const char *const *argv)
178	{
179	dR;//TODO (scrollbar, setidle)
180
181	/*
182	* Save and then give up any super-user privileges
183	* If we need privileges in any area then we must specifically request it.
184	* We should only need to be root in these cases:
185	* 1. write utmp entries on some systems
186	* 2. chown tty on some systems
187	*/
188	rxvt_privileges (this, SAVE);
189	rxvt_privileges (this, IGNORE);
190
191	rxvt_init_secondary (this);
192
193	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
194
195	#if (MENUBAR_MAX)
196	rxvt_menubar_read (this, rs[Rs_menu]);
197	#endif
198	#ifdef HAVE_SCROLLBARS
199	if (Options & Opt_scrollBar)
200	scrollbar_setIdle (); /* set existence for size calculations */
201	#endif
202
203	rxvt_Create_Windows (this, argc, argv);
204
205	rxvt_init_xlocale (this);
206
207	rxvt_scr_reset (this); /* initialize screen */
208	#ifdef RXVT_GRAPHICS
209	rxvt_Gr_reset (this); /* reset graphics */
210	#endif
211
212	#if 0
213	#ifdef DEBUG_X
214	XSynchronize(Xdisplay, True);
215	#endif
216	#endif
217
218	#ifdef HAVE_SCROLLBARS
219	if (Options & Opt_scrollBar)
220	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
221	#endif
222	#if (MENUBAR_MAX)
223	if (menubar_visible(r))
224	XMapWindow (Xdisplay, menuBar.win);
225	#endif
226	#ifdef TRANSPARENT
227	if (Options & Opt_transparent)
228	{
229	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
230	rxvt_check_our_parents (this);
231	}
232	#endif
233	XMapWindow (Xdisplay, TermWin.vt);
234	XMapWindow (Xdisplay, TermWin.parent[0]);
235
236	rxvt_init_env (this);
237	rxvt_init_command (this, cmd_argv);
238
239	x_ev.start (Xfd, EVENT_READ);
240	pty_ev.start (cmd_fd, EVENT_READ);
241
242	check_ev.start ();
243
244	process_x_events ();
245
246	return true;
247	}
248
249	/* ------------------------------------------------------------------------- *
250	* SIGNAL HANDLING & EXIT HANDLER *
251	* ------------------------------------------------------------------------- */
252	/*
253	* Catch a SIGCHLD signal and exit if the direct child has died
254	*/
255	/* ARGSUSED */
256	/* EXTPROTO */
257	RETSIGTYPE
258	rxvt_Child_signal(int sig __attribute__ ((unused)))
259	{
260	int pid, save_errno = errno;
261	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
262	;
263	errno = save_errno;
264
265	#if 0
266	if (pid == R->cmd_pid)
267	exit (EXIT_SUCCESS);
268	#endif
269	}
270
271	/*
272	* Catch a fatal signal and tidy up before quitting
273	*/
274	/* EXTPROTO */
275	RETSIGTYPE
276	rxvt_Exit_signal(int sig)
277	{
278	signal(sig, SIG_DFL);
279	#ifdef DEBUG_CMD
280	rxvt_print_error("signal %d", sig);
281	#endif
282	rxvt_clean_exit();
283	kill(getpid(), sig);
284	}
285
286	/* ARGSUSED */
287	/* INTPROTO */
288	int
289	rxvt_xerror_handler(const Display * display
290	__attribute__ ((unused)), const XErrorEvent * event)
291	{
292	dR;
293
294	if (R->allowedxerror == -1)
295	R->allowedxerror = event->error_code;
296	else
297	{
298	rxvt_print_error("XError: Request: %d . %d, Error: %d",
299	event->request_code, event->minor_code,
300	event->error_code);
301
302	R->destroy ();
303	}
304
305	return 0;
306	}	378	}
307		379
308	/*----------------------------------------------------------------------*/	380	/*----------------------------------------------------------------------*/
309	/*	381	/*
310	* Exit gracefully, clearing the utmp entry and restoring tty attributes	382	* Exit gracefully, clearing the utmp entry and restoring tty attributes
311	* TODO: if debugging, this should free up any known resources if we can
312	*/	383	*/
313	/* EXTPROTO */	384	static XErrorHandler old_xerror_handler;
314	void
315	rxvt_clean_exit ()
316	{
317	dR;
318		385
319	R->destroy ();	386	static void
320	}	387	rxvt_emergency_cleanup ()
321
322	/* ------------------------------------------------------------------------- *
323	* MEMORY ALLOCATION WRAPPERS *
324	* ------------------------------------------------------------------------- */
325	/* EXTPROTO */
326	void *
327	rxvt_malloc(size_t size)
328	{	388	{
329	void *p;	389	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		390	(*t)->emergency_cleanup ();
		391	}
330		392
331	p = malloc(size);	393	#if !ENABLE_MINIMAL
332	if (p)	394	static void ecb_cold
333	return p;	395	print_x_error (Display *dpy, XErrorEvent *event)
		396	{
		397	char buffer[BUFSIZ];
		398	char mesg[BUFSIZ];
		399	char number[32];
334		400
335	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	401	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
336	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 ();
337	exit(EXIT_FAILURE);	517	_exit (EXIT_FAILURE);
338	/* NOTREACHED */
339	}	518	}
340		519
341	/* EXTPROTO */	520	static struct sig_handlers
342	void *
343	rxvt_calloc(size_t number, size_t size)
344	{	521	{
345	void *p;	522	ev::sig sw_term, sw_int;
346		523
347	p = calloc(number, size);	524	/*
348	if (p)	525	* Catch a fatal signal and tidy up before quitting
349	return p;	526	*/
		527	void sig_term (ev::sig &w, int revents);
350		528
351	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	529	sig_handlers ()
352	rxvt_clean_exit();	530	{
353	exit(EXIT_FAILURE);	531	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
354	/* NOTREACHED */	532	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
355	}	533	}
		534	} sig_handlers;
356		535
357	/* EXTPROTO */
358	void *
359	rxvt_realloc(void *ptr, size_t size)
360	{
361	void *p;
362
363	if (ptr)
364	p = realloc(ptr, size);
365	else
366	p = malloc(size);
367	if (p)
368	return p;
369
370	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
371	rxvt_clean_exit();
372	exit(EXIT_FAILURE);
373	/* NOTREACHED */
374	}
375
376	/* ------------------------------------------------------------------------- *
377	* PRIVILEGED OPERATIONS *
378	* ------------------------------------------------------------------------- */
379	/* take care of suid/sgid super-user (root) privileges */
380	/* INTPROTO */
381	void	536	void
382	rxvt_privileges(pR_ int mode)	537	sig_handlers::sig_term (ev::sig &w, int revents)
383	{	538	{
384	#if ! defined(__CYGWIN32__)	539	rxvt_emergency_cleanup ();
385	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	540	w.stop ();
386	/* setreuid() is the poor man's setuid(), seteuid() */	541	kill (getpid (), w.signum);
387	# define seteuid(a) setreuid(-1, (a))	542	}
388	# define setegid(a) setregid(-1, (a))	543
389	# 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;
390	# endif	566	# endif
391	# ifdef HAVE_SETEUID	567	# ifdef VREPRINT
392	switch (mode) {	568	tio->c_cc[VREPRINT] = CRPRNT;
393	case IGNORE:
394	/*
395	* change effective uid/gid - not real uid/gid - so we can switch
396	* back to root later, as required
397	*/
398	seteuid(getuid());
399	setegid(getgid());
400	break;
401	case SAVE:
402	R->euid = geteuid();
403	R->egid = getegid();
404	break;
405	case RESTORE:
406	seteuid(R->euid);
407	setegid(R->egid);
408	break;
409	}
410	# else
411	switch (mode) {
412	case IGNORE:
413	setuid(getuid());
414	setgid(getgid());
415	/* FALLTHROUGH */
416	case SAVE:
417	/* FALLTHROUGH */
418	case RESTORE:
419	break;
420	}
421	# endif	569	# endif
422	#endif	570	# ifdef VDISCRD
423	}	571	tio->c_cc[VDISCRD] = CFLUSH;
424
425	#ifdef UTMP_SUPPORT
426	/* EXTPROTO */
427	void
428	rxvt_privileged_utmp(pR_ char action)
429	{
430	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
431	action, R->next_utmp_action, getpid()));
432	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
433	|| (R->Options & Opt_utmpInhibit)
434	|| R->ttydev == NULL || *R->ttydev == '\0')
435	return;
436
437	rxvt_privileges(aR_ RESTORE);
438	if (action == SAVE) {
439	R->next_utmp_action = RESTORE;
440	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
441	} else { /* action == RESTORE */
442	R->next_utmp_action = IGNORE;
443	rxvt_cleanutent(aR);
444	}
445	rxvt_privileges(aR_ IGNORE);
446	}
447	#endif
448
449	#ifndef NO_SETOWNER_TTYDEV
450	/* EXTPROTO */
451	void
452	rxvt_privileged_ttydev(pR_ char action)
453	{
454	D_MAIN((stderr,
455	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
456	action, R->next_tty_action, getpid()));
457	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
458	|| R->ttydev == NULL || *R->ttydev == '\0')
459	return;
460
461	rxvt_privileges(aR_ RESTORE);
462
463	if (action == SAVE) {
464	R->next_tty_action = RESTORE;
465	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
466	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
467	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
468	R->next_tty_action = IGNORE;
469	else
470	# endif	572	# endif
471	{	573	# ifdef VWERSE
472	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	574	tio->c_cc[VWERSE] = CWERASE;
473	chmod(R->ttydev, R->ttymode);
474	# ifdef HAVE_REVOKE
475	revoke(R->ttydev);
476	# endif	575	# endif
477	}	576	# ifdef VLNEXT
478	} else { /* action == RESTORE */	577	tio->c_cc[VLNEXT] = CLNEXT;
479	R->next_tty_action = IGNORE;
480	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
481	chmod(R->ttydev, R->ttyfd_stat.st_mode);
482	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
483	# else
484	chmod(R->ttydev,
485	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
486	chown(R->ttydev, 0, 0);
487	# endif	578	# endif
488	}	579	# ifdef VSTATUS
489		580	tio->c_cc[VSTATUS] = CSTATUS;
490	rxvt_privileges(aR_ IGNORE);
491
492	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
493	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
494	action == RESTORE ? "Restoring" : (action ==
495	SAVE ? "Saving" :
496	"UNKNOWN ERROR for"), R->ttydev,
497	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
498	R->ttyfd_stat.st_gid));
499	# endif	581	# endif
500	}	582
		583	# if VMIN != VEOF
		584	tio->c_cc[VMIN] = 1;
501	#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	}
502		646
503	/*----------------------------------------------------------------------*/	647	/*----------------------------------------------------------------------*/
504	/*	648	/*
505	* window size/position calculcations for XSizeHint and other storage.	649	* window size/position calculations for XSizeHint and other storage.
506	* if width/height are non-zero then override calculated width/height	650	* if width/height are non-zero then override calculated width/height
507	*/	651	*/
508	/* EXTPROTO */
509	void	652	void
510	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	653	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
511	{	654	{
512	short recalc_x, recalc_y;	655	short recalc_x, recalc_y;
513	int x, y, sb_w, mb_h, flags;	656	int x, y, flags;
514	unsigned int w, h;	657	unsigned int w, h;
515	unsigned int max_width, max_height;	658	unsigned int max_width, max_height;
516		659
517	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
518	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
519	R->szHint.height));
520	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	660	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
521	R->szHint.win_gravity = NorthWestGravity;	661	szHint.win_gravity = NorthWestGravity;
522	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	662	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
523		663
524	recalc_x = recalc_y = 0;	664	recalc_x = recalc_y = 0;
525	flags = 0;	665	flags = 0;
		666
526	if (!R->parsed_geometry) {	667	if (!parsed_geometry)
		668	{
527	R->parsed_geometry = 1;	669	parsed_geometry = 1;
		670
528	if (R->rs[Rs_geometry])	671	if (rs[Rs_geometry])
529	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	672	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		673
530	if (flags & WidthValue) {	674	if (flags & WidthValue)
531	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 ());
532	R->szHint.flags |= USSize;	680	szHint.flags |= USSize;
533	}	681	}
		682
534	if (flags & HeightValue) {	683	if (flags & HeightValue)
535	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 ());
536	R->szHint.flags |= USSize;	689	szHint.flags |= USSize;
537	}	690	}
		691
538	if (flags & XValue) {	692	if (flags & XValue)
		693	{
539	R->szHint.x = x;	694	szHint.x = x;
540	R->szHint.flags |= USPosition;	695	szHint.flags |= USPosition;
		696
541	if (flags & XNegative) {	697	if (flags & XNegative)
		698	{
542	recalc_x = 1;	699	recalc_x = 1;
543	R->szHint.win_gravity = NorthEastGravity;	700	szHint.win_gravity = NorthEastGravity;
544	}	701	}
545	}	702	}
		703
546	if (flags & YValue) {	704	if (flags & YValue)
		705	{
547	R->szHint.y = y;	706	szHint.y = y;
548	R->szHint.flags |= USPosition;	707	szHint.flags |= USPosition;
		708
549	if (flags & YNegative) {	709	if (flags & YNegative)
		710	{
550	recalc_y = 1;	711	recalc_y = 1;
		712
551	if (R->szHint.win_gravity == NorthEastGravity)	713	if (szHint.win_gravity == NorthEastGravity)
552	R->szHint.win_gravity = SouthEastGravity;	714	szHint.win_gravity = SouthEastGravity;
553	else	715	else
554	R->szHint.win_gravity = SouthWestGravity;	716	szHint.win_gravity = SouthWestGravity;
555	}	717	}
556	}	718	}
557	}	719	}
		720
558	/* TODO: BOUNDS */	721	/* TODO: BOUNDS */
559	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	722	width = ncol * fwidth;
560	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	723	height = nrow * fheight;
561	max_width = MAX_COLS * R->TermWin.fwidth;	724	max_width = MAX_COLS * fwidth;
562	max_height = MAX_ROWS * R->TermWin.fheight;	725	max_height = MAX_ROWS * fheight;
563		726
564	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	727	szHint.base_width = szHint.base_height = 2 * int_bwidth;
565		728
566	sb_w = mb_h = 0;
567	R->window_vt_x = R->window_vt_y = 0;	729	window_vt_x = window_vt_y = int_bwidth;
568	if (scrollbar_visible(R)) {	730
		731	if (scrollBar.state)
		732	{
569	sb_w = scrollbar_TotalWidth();	733	int sb_w = scrollBar.total_width ();
570	R->szHint.base_width += sb_w;	734	szHint.base_width += sb_w;
		735
571	if (!(R->Options & Opt_scrollBar_right))	736	if (!option (Opt_scrollBar_right))
572	R->window_vt_x = sb_w;	737	window_vt_x += sb_w;
573	}	738	}
574	if (menubar_visible(R)) {	739
575	mb_h = menuBar_TotalHeight();
576	R->szHint.base_height += mb_h;
577	R->window_vt_y = mb_h;
578	}
579	R->szHint.width_inc = R->TermWin.fwidth;	740	szHint.width_inc = fwidth;
580	R->szHint.height_inc = R->TermWin.fheight;	741	szHint.height_inc = fheight;
581	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	742	szHint.min_width = szHint.base_width + szHint.width_inc;
582	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	743	szHint.min_height = szHint.base_height + szHint.height_inc;
583		744
584	if (width && width - R->szHint.base_width < max_width) {	745	if (newwidth && newwidth - szHint.base_width < max_width)
		746	{
585	R->szHint.width = width;	747	szHint.width = newwidth;
586	R->TermWin.width = width - R->szHint.base_width;	748	width = newwidth - szHint.base_width;
587	} else {	749	}
588	MIN_IT(R->TermWin.width, max_width);	750	else
		751	{
		752	min_it (width, max_width);
589	R->szHint.width = R->szHint.base_width + R->TermWin.width;	753	szHint.width = szHint.base_width + width;
590	}	754	}
		755
591	if (height && height - R->szHint.base_height < max_height) {	756	if (newheight && newheight - szHint.base_height < max_height)
		757	{
592	R->szHint.height = height;	758	szHint.height = newheight;
593	R->TermWin.height = height - R->szHint.base_height;	759	height = newheight - szHint.base_height;
594	} else {	760	}
595	MIN_IT(R->TermWin.height, max_height);	761	else
		762	{
		763	min_it (height, max_height);
596	R->szHint.height = R->szHint.base_height + R->TermWin.height;	764	szHint.height = szHint.base_height + height;
597	}	765	}
598	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
599	R->window_sb_x = R->szHint.width - sb_w;
600		766
601	if (recalc_x)	767	if (recalc_x)
602	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	768	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
603	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	769
604	if (recalc_y)	770	if (recalc_y)
605	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	771	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
606	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
607		772
608	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	773	ncol = width / fwidth;
609	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	774	nrow = height / fheight;
610	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	775
611	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	776	// When the size of the vt window is not a multiple of the cell
612	R->szHint.height));	777	// size, i.e., when the wm does not honour our size hints, there are
613	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;
614	}	784	}
615		785
616	/*----------------------------------------------------------------------*/	786	/*----------------------------------------------------------------------*/
617	/*	787	/*
618	* Tell the teletype handler what size the window is.	788	* Tell the teletype handler what size the window is.
619	* Called after a window size change.	789	* Called after a window size change.
620	*/	790	*/
621	void	791	void
622	rxvt_term::tt_winch ()	792	rxvt_term::tt_winch ()
623	{	793	{
624	struct winsize ws;	794	if (pty->pty < 0)
625
626	if (cmd_fd < 0)
627	return;	795	return;
628		796
		797	struct winsize ws;
		798
629	ws.ws_col = TermWin.ncol;	799	ws.ws_col = ncol;
630	ws.ws_row = TermWin.nrow;	800	ws.ws_row = nrow;
631	ws.ws_xpixel = ws.ws_ypixel = 0;	801	ws.ws_xpixel = vt_width;
632	#ifndef DEBUG_SIZE	802	ws.ws_ypixel = vt_height;
633	(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	}
634	#else	874	#else
635	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	875	fontset[style] = fontset[0];
636	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
637	# ifdef SIGWINCH
638	else if (cmd_pid) /* force through to the command */
639	kill (cmd_pid, SIGWINCH);
640	# endif	876	#endif
641	#endif	877	}
642	}
643		878
644	/*----------------------------------------------------------------------*/	879	if (parent)
645	/* rxvt_change_font() - Switch to a new font */	880	{
646	/*	881	resize_all_windows (0, 0, 0);
647	* init = 1 - initialize	882	scr_remap_chars ();
648	*	883	scr_touch (true);
649	* fontname == FONT_UP - switch to bigger font	884	}
650	* fontname == FONT_DN - switch to smaller font
651	*/
652	/* EXTPROTO */
653	void
654	rxvt_change_font(pR_ int init, const char *fontname)
655	{
656	}
657		885
658	/* INTPROTO */	886	return true;
		887	}
		888
659	void	889	void
660	rxvt_font_up_down(pR_ int n, int direction)	890	rxvt_term::set_string_property (Atom prop, const char *str, int len)
661	{	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);
662	}	921	}
663		922
664	/*----------------------------------------------------------------------*/	923	/*----------------------------------------------------------------------*/
665	/*----------------------------------------------------------------------*/	924	/*----------------------------------------------------------------------*/
666	/* xterm sequences - title, iconName, color (exptl) */	925	/* xterm sequences - title, iconName, color (exptl) */
667	/* EXTPROTO */
668	void	926	void
669	rxvt_set_title(pR_ const char *str)	927	rxvt_term::set_title (const char *str)
670	{	928	{
671	#ifndef SMART_WINDOW_TITLE	929	set_mbstring_property (XA_WM_NAME, str);
672	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	930	#if ENABLE_EWMH
673	#else	931	set_utf8_property (xa[XA_NET_WM_NAME], str);
674	char *name;
675
676	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
677	name = NULL;
678	if (name == NULL || STRCMP(name, str))
679	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
680	if (name)
681	XFree(name);
682	#endif	932	#endif
683	}	933	}
684		934
685	/* EXTPROTO */
686	void	935	void
687	rxvt_set_iconName(pR_ const char *str)	936	rxvt_term::set_icon_name (const char *str)
688	{	937	{
689	#ifndef SMART_WINDOW_TITLE	938	set_mbstring_property (XA_WM_ICON_NAME, str);
690	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	939	#if ENABLE_EWMH
691	#else	940	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
692	char *name;
693
694	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
695	name = NULL;
696	if (name == NULL || STRCMP(name, str))
697	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
698	if (name)
699	XFree(name);
700	#endif	941	#endif
701	}	942	}
702		943
		944	void
		945	rxvt_term::set_window_color (int idx, const char *color)
		946	{
703	#ifdef XTERM_COLOR_CHANGE	947	#ifdef XTERM_COLOR_CHANGE
704	/* EXTPROTO */
705	void
706	rxvt_set_window_color(pR_ int idx, const char *color)
707	{
708	rxvt_color xcol;
709	int i;
710
711	if (color == NULL || *color == '\0')	948	if (color == NULL || *color == '\0')
712	return;	949	return;
713		950
		951	color = strdup (color);
		952	allocated.push_back ((void *)color);
		953	rs[Rs_color + idx] = color;
		954
714	/* handle color aliases */	955	/* handle color aliases */
715	if (isdigit(*color)) {	956	if (isdigit (*color))
		957	{
716	i = atoi(color);	958	int i = atoi (color);
717	if (i >= 8 && i <= 15) { /* bright colors */	959
718	i -= 8;	960	if (i >= 8 && i <= 15)
719	# ifndef NO_BRIGHTCOLOR	961	{
720	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	962	/* bright colors */
721	SET_PIXCOLOR(R, idx);	963	alias_color (idx, minBrightCOLOR + i - 8);
722	goto Done;	964	goto done;
723	# endif
724	}	965	}
725	if (i >= 0 && i <= 7) { /* normal colors */	966
726	R->PixColors[idx] = R->PixColors[minCOLOR + i];	967	if (i >= 0 && i <= 7)
727	SET_PIXCOLOR(R, idx);	968	{
		969	/* normal colors */
		970	alias_color (idx, minCOLOR + i);
728	goto Done;	971	goto done;
729	}	972	}
730	}	973	}
731	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
732	return;
733	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
734		974
735	/*	975	pix_colors_focused[idx].free (this);
736	* FIXME: should free colors here, but no idea how to do it so instead,	976	set_color (pix_colors_focused[idx], color);
737	* so just keep gobbling up the colormap
738	*/
739	# if 0
740	for (i = Color_Black; i <= Color_White; i++)
741	if (R->PixColors[idx] == R->PixColors[i])
742	break;
743	if (i > Color_White) {
744	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
745	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
746	DisplayPlanes(R->Xdisplay, Xscreen));
747	}
748	# endif
749		977
750	R->PixColors[idx] = xcol;	978	done:
751	SET_PIXCOLOR(R, idx);
752
753	/* XSetWindowAttributes attr; */
754	/* Cursor cursor; */
755	Done:
756	if (idx == Color_bg && !(R->Options & Opt_transparent))
757	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
758	R->PixColors[Color_bg]);
759
760	/* handle Color_BD, scrollbar background, etc. */	979	/*TODO: handle Color_BD, scrollbar background, etc. */
761		980
762	rxvt_set_colorfgbg(aR);	981	update_fade_color (idx);
763	rxvt_recolour_cursor(aR);	982	recolor_cursor ();
764	/* the only reasonable way to enforce a clean update */	983	scr_recolor ();
765	rxvt_scr_poweron(aR);	984	#endif /* XTERM_COLOR_CHANGE */
766	}	985	}
767		986
768	#else
769	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
770	#endif /* XTERM_COLOR_CHANGE */
771
772	/* EXTPROTO */
773	void	987	void
774	rxvt_recolour_cursor(pR)	988	rxvt_term::recolor_cursor ()
775	{	989	{
776	rxvt_color xcol[2];	990	XColor fg, bg;
777		991
778	#if TODO	992	(ISSET_PIXCOLOR (Color_pointer_fg)
779	xcol[0] = R->PixColors[Color_pointer];	993	? pix_colors_focused[Color_pointer_fg]
780	xcol[1] = R->PixColors[Color_bg];	994	: pix_colors_focused[Color_fg]).get (fg);
781	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	995
782	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	996	(ISSET_PIXCOLOR (Color_pointer_bg)
783	#endif	997	? pix_colors_focused[Color_pointer_bg]
		998	: pix_colors_focused[Color_bg]).get (bg);
		999
		1000	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
784	}	1001	}
785		1002
786	/*----------------------------------------------------------------------*/	1003	/*----------------------------------------------------------------------*/
787	/*	1004	/*
788	* 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
789	*/	1006	*/
790	/* INTPROTO */	1007	char *
791	void
792	rxvt_set_colorfgbg(pR)	1008	rxvt_term::get_colorfgbg ()
793	{	1009	{
794	unsigned int i;	1010	unsigned int i;
795	const char *xpmb = "\0";	1011	const char *xpmb = "";
796	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1012	char fstr[] = "default";
		1013	char bstr[] = "default";
		1014	char *env_colorfgbg;
797		1015
798	R->env_colorfgbg =
799	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
800	STRCPY(fstr, "default");
801	STRCPY(bstr, "default");
802	for (i = Color_Black; i <= Color_White; i++)	1016	for (i = Color_Black; i <= Color_White; i++)
803	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1017	if (pix_colors[Color_fg] == pix_colors[i])
		1018	{
804	sprintf(fstr, "%d", (i - Color_Black));	1019	sprintf (fstr, "%d", i - Color_Black);
805	break;	1020	break;
806	}	1021	}
		1022
807	for (i = Color_Black; i <= Color_White; i++)	1023	for (i = Color_Black; i <= Color_White; i++)
808	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1024	if (pix_colors[Color_bg] == pix_colors[i])
		1025	{
809	sprintf(bstr, "%d", (i - Color_Black));	1026	sprintf (bstr, "%d", i - Color_Black);
810	#ifdef XPM_BACKGROUND	1027	#if BG_IMAGE_FROM_FILE
811	xpmb = "default;";	1028	xpmb = "default;";
812	#endif	1029	#endif
813	break;	1030	break;
814	}	1031	}
		1032
		1033	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
815	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1034	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
816	putenv(R->env_colorfgbg);	1035	return env_colorfgbg;
817
818	#ifndef NO_BRIGHTCOLOR
819	R->colorfgbg = DEFAULT_RSTYLE;
820	for (i = minCOLOR; i <= maxCOLOR; i++) {
821	if (R->PixColors[Color_fg] == R->PixColors[i])
822	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
823	if (R->PixColors[Color_bg] == R->PixColors[i])
824	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
825	}
826	#endif
827	}	1036	}
828		1037
829	/*----------------------------------------------------------------------*/	1038	/*----------------------------------------------------------------------*/
830	/*
831	* Colour determination for low colour displays, routine from
832	* Hans de Goede <hans@highrise.nl>
833	*/
834		1039
835	/* EXTPROTO */	1040	bool
836	int	1041	rxvt_term::set_color (rxvt_color &color, const char *name)
837	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
838	{	1042	{
839	screen_in_out->set(aR_ colour);	1043	if (color.set (this, name))
840
841	if (!screen_in_out->set(aR_ colour)) {
842	rxvt_print_error("can't allocate colour: %s", colour);
843	return false;
844	}
845
846	return true;	1044	return true;
		1045
		1046	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		1047	return false;
847	}	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
848		1075
849	/* -------------------------------------------------------------------- *	1076	/* -------------------------------------------------------------------- *
850	* - WINDOW RESIZING - *	1077	* - WINDOW RESIZING - *
851	* -------------------------------------------------------------------- */	1078	* -------------------------------------------------------------------- */
852	/* EXTPROTO */
853	void	1079	void
854	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)
855	int ignoreparent)
856	{	1081	{
857	int fix_screen;	1082	int fix_screen;
		1083	int old_width = szHint.width;
		1084	int old_height = szHint.height;
858		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	{
859	#ifdef SMART_RESIZE	1100	#ifdef SMART_RESIZE
860	int old_width = R->szHint.width, old_height = R->szHint.height;	1101	/*
861	#endif
862
863	rxvt_window_calc(aR_ width, height);
864	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
865	if (!ignoreparent) {
866	#ifdef SMART_RESIZE
867	/*
868	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1102	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
869	* reposition window on resize depending on placement on screen	1103	* reposition window on resize depending on placement on screen
870	*/	1104	*/
871	int x, y, x1, y1;	1105	int x, y, x1, y1;
872	int dx, dy;	1106	int dx, dy;
873	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1107	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
874	Window unused_cr;	1108	Window unused_cr;
875		1109
876	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1110	XTranslateCoordinates (dpy, parent, display->root,
877	0, 0, &x, &y, &unused_cr);	1111	0, 0, &x, &y, &unused_cr);
878	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1112	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
879	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1113	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
880	/*	1114	/*
881	* 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
882	* our position for handles and decorations. Counter it	1116	* our position for handles and decorations. Counter it
883	*/	1117	*/
884	if (x1 != x || y1 != y) {	1118	if (x1 != x || y1 != y)
885	x -= x1;	1119	{
886	y -= y1;	1120	unsigned int border_width = get_parent_bw (dpy, parent);
		1121
		1122	x -= x1 + border_width;
		1123	y -= y1 + border_width;
887	}	1124	}
888		1125
889	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1126	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
890	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1127	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
891	dx = old_width - R->szHint.width;	1128	dx = old_width - szHint.width;
892	dy = old_height - R->szHint.height;	1129	dy = old_height - szHint.height;
893		1130
894	/* Check position of the center of the window */	1131	/* Check position of the center of the window */
895	if (x < x1) /* left half */	1132	if (x < x1) /* left half */
896	dx = 0;	1133	dx = 0;
897	else if (x == x1) /* exact center */	1134	else if (x == x1) /* exact center */
898	dx /= 2;	1135	dx /= 2;
899	if (y < y1) /* top half */	1136	if (y < y1) /* top half */
900	dy = 0;	1137	dy = 0;
901	else if (y == y1) /* exact center */	1138	else if (y == y1) /* exact center */
902	dy /= 2;	1139	dy /= 2;
903		1140
904	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1141	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
905	R->szHint.width, R->szHint.height);	1142	szHint.width, szHint.height);
906	#else	1143	#else
907	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1144	XResizeWindow (dpy, parent, szHint.width, szHint.height);
908	R->szHint.height);
909	#endif	1145	#endif
910	}	1146	}
911		1147
912	fix_screen = (R->TermWin.ncol != R->prev_ncol	1148	if (set_hint)
913	|| R->TermWin.nrow != R->prev_nrow);	1149	XSetWMNormalHints (dpy, parent, &szHint);
		1150
		1151	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1152
914	if (fix_screen || width != R->old_width || height != R->old_height) {	1153	if (fix_screen || newwidth != old_width || newheight != old_height)
915	if (scrollbar_visible(R)) {
916	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
917	0, scrollbar_TotalWidth(), R->szHint.height);
918	rxvt_Resize_scrollBar(aR);
919	}
920	if (menubar_visible(R))
921	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
922	0, TermWin_TotalWidth(), menuBar_TotalHeight());
923	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
924	R->window_vt_y, TermWin_TotalWidth(),
925	TermWin_TotalHeight());
926	#ifdef RXVT_GRAPHICS
927	if (R->old_height)
928	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
929	R->old_height - R->szHint.base_height);
930	#endif
931	rxvt_scr_clear(aR);
932	#ifdef XPM_BACKGROUND
933	rxvt_resize_pixmap(aR);
934	#endif
935	}	1154	{
		1155	if (scrollBar.state)
		1156	scrollBar.resize ();
936		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
937	if (fix_screen || R->old_height == 0) {	1170	if (fix_screen || old_height == 0)
938	int curr_screen = -1;	1171	scr_reset ();
939	uint16_t old_ncol = R->prev_ncol;
940		1172
941	/* scr_reset only works on the primary screen */
942	if (R->old_height) /* this is not the first time through */
943	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
944	rxvt_scr_reset(aR);
945	if (curr_screen >= 0) { /* this is not the first time through */
946	rxvt_scr_change_screen(aR_ curr_screen);
947	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
948	}
949	}
950
951	R->old_width = R->szHint.width;
952	R->old_height = R->szHint.height;
953
954	#ifdef USE_XIM	1173	#if USE_XIM
955	rxvt_IMSetStatusPosition(aR);	1174	im_set_position ();
956	#endif	1175	#endif
957	}	1176	}
958		1177
959	/*	1178	/*
960	* 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.
961	* good for toggling 80/132 columns	1180	* good for toggling 80/132 columns
962	*/	1181	*/
963	/* EXTPROTO */
964	void	1182	void
965	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1183	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
966	{	1184	{
967	XWindowAttributes wattr;	1185	XWindowAttributes wattr;
968		1186
969	if (width == 0 || height == 0) {	1187	if (newwidth == 0 || newheight == 0)
		1188	{
970	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1189	XGetWindowAttributes (dpy, display->root, &wattr);
		1190
971	if (width == 0)	1191	if (newwidth == 0)
972	width = wattr.width - R->szHint.base_width;	1192	newwidth = wattr.width - szHint.base_width;
973	if (height == 0)	1193	if (newheight == 0)
974	height = wattr.height - R->szHint.base_height;	1194	newheight = wattr.height - szHint.base_height;
		1195	}
		1196
		1197	if (newwidth != vt_width || newheight != vt_height)
975	}	1198	{
976	if (width != R->TermWin.width || height != R->TermWin.height) {
977	width += R->szHint.base_width;	1199	newwidth += szHint.base_width;
978	height += R->szHint.base_height;	1200	newheight += szHint.base_height;
979	rxvt_resize_all_windows(aR_ width, height, 0);	1201	resize_all_windows (newwidth, newheight, 0);
980	}	1202	}
981	}	1203	}
982		1204
983	/* -------------------------------------------------------------------- *	1205	/* -------------------------------------------------------------------- *
984	* - X INPUT METHOD ROUTINES - *	1206	* - X INPUT METHOD ROUTINES - *
985	* -------------------------------------------------------------------- */	1207	* -------------------------------------------------------------------- */
986	#ifdef USE_XIM	1208	#if USE_XIM
987	/* INTPROTO */
988	void
989	rxvt_setSize(pR_ XRectangle * size)
990	{
991	size->x = R->TermWin.int_bwidth;
992	size->y = R->TermWin.int_bwidth;
993	size->width = Width2Pixel(R->TermWin.ncol);
994	size->height = Height2Pixel(R->TermWin.nrow);
995	}
996		1209
997	/* INTPROTO */
998	void	1210	void
999	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1211	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1000	{	1212	{
1001	*fg = R->PixColors[Color_fg];	1213	fg = pix_colors [Color_fg];
1002	*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;
1003	}	1241	}
1004		1242
1005	/* Checking whether input method is running. */	1243	/* Checking whether input method is running. */
1006	/* INTPROTO */
1007	Bool	1244	bool
1008	rxvt_IMisRunning(pR)	1245	rxvt_term::im_is_running ()
1009	{	1246	{
1010	char *p;	1247	Atom atom;
1011	Atom atom;	1248	Window win;
1012	Window win;
1013	char server[IMBUFSIZ];	1249	char server[IMBUFSIZ];
1014		1250
1015	/* get current locale modifier */	1251	/* get current locale modifier */
1016	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1252	if (char *p = XSetLocaleModifiers (0))
		1253	{
1017	STRCPY(server, "@server=");	1254	strcpy (server, "@server=");
1018	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1255	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1256
1019	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1257	if (p = strchr (server + 1, '@')) /* first one only */
1020	*p = '\0';	1258	*p = '\0';
1021		1259
1022	atom = XInternAtom(R->Xdisplay, server, False);	1260	atom = XInternAtom (dpy, server, False);
1023	win = XGetSelectionOwner(R->Xdisplay, atom);	1261	win = XGetSelectionOwner (dpy, atom);
		1262
1024	if (win != None)	1263	if (win != None)
1025	return True;	1264	return true;
1026	}	1265	}
		1266
1027	return False;	1267	return false;
1028	}	1268	}
1029		1269
1030	/* EXTPROTO */
1031	void	1270	void
1032	rxvt_IMSendSpot(pR)	1271	rxvt_term::im_send_spot ()
1033	{	1272	{
1034	XPoint spot;	1273	XPoint nspot;
1035	XVaNestedList preedit_attr;	1274	XVaNestedList preedit_attr;
1036		1275
1037	if (R->Input_Context == NULL	1276	if (!Input_Context
1038	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1277	|| !focus
1039	|| !(R->event_type == KeyPress	1278	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1040	|| R->event_type == Expose
1041	|| R->event_type == NoExpose
1042	|| R->event_type == SelectionNotify
1043	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1044	|| !rxvt_IMisRunning(aR))
1045	return;	1279	return;
1046		1280
1047	rxvt_setPosition(aR_ & spot);	1281	im_set_position (nspot);
1048		1282
		1283	if (nspot.x == spot.x && nspot.y == spot.y)
		1284	return;
		1285
		1286	spot = nspot;
		1287
1049	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1288	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1050	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1289	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1051	XFree(preedit_attr);	1290	XFree (preedit_attr);
1052	}	1291	}
1053		1292
1054	/* EXTPROTO */
1055	void	1293	void
1056	rxvt_setTermFontSet(pR_ int idx)	1294	rxvt_term::im_destroy ()
1057	{	1295	{
1058	char *string;	1296	if (input_method)
1059	long length;	1297	{
1060	int success = 0;	1298	if (Input_Context && input_method->xim)
		1299	XDestroyIC (Input_Context);
1061		1300
1062	if (idx < 0 || idx >= MAX_NFONTS)	1301	display->put_xim (input_method);
1063	return;	1302	input_method = 0;
1064	}	1303	}
1065		1304
1066	/* INTPROTO */
1067	void
1068	rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1069	XRectangle * needed_rect)
1070	{
1071	int mbh, vtx = 0;
1072
1073	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1074	vtx = scrollbar_TotalWidth();
1075	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1076	mbh -= R->TermWin.lineSpace;
1077
1078	preedit_rect->x = needed_rect->width + vtx;
1079	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1080
1081	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1082	+ vtx;
1083	preedit_rect->height = Height2Pixel(1);
1084
1085	status_rect->x = vtx;
1086	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1087
1088	status_rect->width = needed_rect->width ? needed_rect->width
1089	: Width2Pixel(R->TermWin.ncol + 1);
1090	status_rect->height = Height2Pixel(1);
1091	}
1092
1093	/* ARGSUSED */
1094	/* INTPROTO */
1095	void
1096	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1097	__attribute__ ((unused)), XPointer call_data
1098	__attribute__ ((unused)))
1099	{
1100	dR;
1101
1102	R->Input_Context = NULL;	1305	Input_Context = 0;
1103	/* To avoid Segmentation Fault in C locale: Solaris only? */
1104	if (STRCMP(R->locale, "C"))
1105	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1106	rxvt_IMInstantiateCallback, NULL);
1107	}	1306	}
1108		1307
1109	/*	1308	#ifdef ENABLE_XIM_ONTHESPOT
1110	* X manual pages and include files don't match on some systems:
1111	* some think this is an XIDProc and others an XIMProc so we can't
1112	* use the first argument - need to update this to be nice for
1113	* both types via some sort of configure detection
1114	*/
1115	/* ARGSUSED */
1116	/* EXTPROTO */
1117	void
1118	rxvt_IMInstantiateCallback(Display * unused
1119	__attribute__ ((unused)), XPointer client_data
1120	__attribute__ ((unused)), XPointer call_data
1121	__attribute__ ((unused)))
1122	{
1123	dR;
1124	int i, found, had_im;
1125	const char *p;
1126	char **s;
1127	char buf[IMBUFSIZ];
1128		1309
1129	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1310	static void
1130	if (R->Input_Context)	1311	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1131	return;	1312	{
		1313	((rxvt_term *)client_data)->make_current ();
		1314	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1315	}
1132		1316
1133	found = had_im = 0;	1317	static void
1134	p = R->rs[Rs_inputMethod];	1318	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1135	if (p && *p) {	1319	{
1136	had_im = 1;	1320	((rxvt_term *)client_data)->make_current ();
1137	s = rxvt_splitcommastring(p);	1321	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1138	for (i = 0; s[i]; i++) {	1322	}
1139	if (*s[i]) {	1323
1140	STRCPY(buf, "@im=");	1324	static void
1141	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1325	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1142	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1326	{
1143	&& (rxvt_IM_get_IC(aR) == True)) {	1327	rxvt_term *term = (rxvt_term *)client_data;
1144	found = 1;	1328	XIMText *text = call_data->text;
1145	break;	1329
1146	}	1330	term->make_current ();
1147	}	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);
1148	}	1347	}
1149	for (i = 0; s[i]; i++)	1348	else
1150	free(s[i]);	1349	str = text->string.wide_char;
1151	free(s);
1152	}
1153	if (found)
1154	return;
1155		1350
1156	/* try with XMODIFIERS env. var. */	1351	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1157	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1352	DT_INT, call_data->caret,
1158	rxvt_IM_get_IC(aR);	1353	DT_INT, call_data->chg_first,
1159	return;	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));
1160	}	1358	}
1161		1359	else
1162	/* try with no modifiers base IF the user didn't specify an IM */	1360	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1163	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1361	DT_INT, call_data->caret,
1164	&& rxvt_IM_get_IC(aR) == True)	1362	DT_INT, call_data->chg_first,
1165	return;	1363	DT_INT, call_data->chg_length,
		1364	DT_END));
1166	}	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
1167		1381
1168	/*	1382	/*
1169	* Try to open a XIM with the current modifiers, then see if we can	1383	* Try to open a XIM with the current modifiers, then see if we can
1170	* open a suitable preedit type	1384	* open a suitable preedit type
1171	*/	1385	*/
1172	/* INTPROTO */
1173	Bool	1386	bool
1174	rxvt_IM_get_IC(pR)	1387	rxvt_term::im_get_ic (const char *modifiers)
1175	{	1388	{
1176	int i, j, found;	1389	int i, j, found;
1177	XIM xim;	1390	XIM xim;
1178	XPoint spot;	1391	XPoint spot;
1179	XRectangle rect, status_rect, needed_rect;	1392	XRectangle rect, status_rect, needed_rect;
1180	unsigned long fg, bg;	1393	unsigned long fg, bg;
1181	const char *p;	1394	const char *p;
1182	char **s;	1395	char **s;
1183	XIMStyles *xim_styles;	1396	XIMStyles *xim_styles;
1184	XVaNestedList preedit_attr, status_attr;
1185	XIMCallback ximcallback;
1186		1397
1187	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1398	set_environ (env);
1188	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1399
1189	if (xim == NULL)	1400	if (!((p = XSetLocaleModifiers (modifiers)) && *p))
1190	return False;	1401	return false;
1191		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
1192	xim_styles = NULL;	1410	xim_styles = NULL;
1193	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1411	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1194	|| !xim_styles || !xim_styles->count_styles) {	1412	|| !xim_styles || !xim_styles->count_styles)
1195	XCloseIM(xim);	1413	{
		1414	im_destroy ();
1196	return False;	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++)
1197	}	1421	{
		1422	p = pet[pi];
1198		1423
1199	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1424	if (!p)
1200	: "OverTheSpot,OffTheSpot,Root";	1425	continue;
1201	s = rxvt_splitcommastring(p);	1426
		1427	s = rxvt_strsplit (',', p);
		1428
1202	for (i = found = 0; !found && s[i]; i++) {	1429	for (i = found = 0; !found && s[i]; i++)
		1430	{
1203	if (!STRCMP(s[i], "OverTheSpot"))	1431	if (!strcmp (s[i], "OverTheSpot"))
1204	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1432	input_style = XIMPreeditPosition | XIMStatusNothing;
1205	else if (!STRCMP(s[i], "OffTheSpot"))	1433	else if (!strcmp (s[i], "OffTheSpot"))
1206	R->input_style = (XIMPreeditArea | XIMStatusArea);	1434	input_style = XIMPreeditArea | XIMStatusArea;
1207	else if (!STRCMP(s[i], "Root"))	1435	else if (!strcmp (s[i], "Root"))
1208	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	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;
1209		1445
1210	for (j = 0; j < xim_styles->count_styles; j++)	1446	for (j = 0; j < xim_styles->count_styles; j++)
1211	if (R->input_style == xim_styles->supported_styles[j]) {	1447	if (input_style == xim_styles->supported_styles[j])
		1448	{
		1449	rxvt_free_strsplit (s);
		1450
1212	found = 1;	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;
		1604	const char *p;
		1605	char **s;
		1606	char buf[IMBUFSIZ];
		1607
		1608	make_current ();
		1609
		1610	im_destroy ();
		1611
		1612	if (Input_Context)
		1613	return;
		1614
		1615	if (rs[Rs_imLocale])
		1616	SET_LOCALE (rs[Rs_imLocale]);
		1617
		1618	p = rs[Rs_inputMethod];
		1619	if (p && *p)
		1620	{
		1621	bool found = false;
		1622
		1623	s = rxvt_strsplit (',', p);
		1624
		1625	for (i = 0; s[i]; i++)
		1626	{
		1627	if (*s[i])
		1628	{
		1629	strcpy (buf, "@im=");
		1630	strncat (buf, s[i], IMBUFSIZ - 5);
		1631	if (im_get_ic (buf))
		1632	{
		1633	found = true;
1213	break;	1634	break;
		1635	}
1214	}	1636	}
1215	}	1637	}
1216	for (i = 0; s[i]; i++)
1217	free(s[i]);
1218	free(s);
1219	XFree(xim_styles);
1220		1638
		1639	rxvt_free_strsplit (s);
		1640
1221	if (!found) {	1641	if (found)
1222	XCloseIM(xim);	1642	goto done;
1223	return False;
1224	}	1643	}
1225		1644
1226	ximcallback.callback = rxvt_IMDestroyCallback;	1645	/* try with XMODIFIERS env. var. */
		1646	if (im_get_ic (""))
		1647	goto done;
1227		1648
1228	/* XXX: not sure why we need this (as well as IC one below) */	1649	/* try with no modifiers base IF the user didn't specify an IM */
1229	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1650	if (im_get_ic ("@im=none"))
		1651	goto done;
1230		1652
1231	preedit_attr = status_attr = NULL;	1653	done:
1232		1654	if (rs[Rs_imLocale])
1233	if (R->input_style & XIMPreeditPosition) {	1655	SET_LOCALE (locale);
1234	rxvt_setSize(aR_ & rect);
1235	rxvt_setPosition(aR_ & spot);
1236	rxvt_setColor(aR_ & fg, &bg);
1237
1238	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1239	XNSpotLocation, &spot,
1240	XNForeground, fg, XNBackground, bg,
1241	//XNFontSet, R->TermWin.fontset,
1242	NULL);
1243	} else if (R->input_style & XIMPreeditArea) {
1244	rxvt_setColor(aR_ & fg, &bg);
1245
1246	/*
1247	* The necessary width of preedit area is unknown
1248	* until create input context.
1249	*/
1250	needed_rect.width = 0;
1251
1252	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1253
1254	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1255	XNForeground, fg, XNBackground, bg,
1256	//XNFontSet, R->TermWin.fontset,
1257	NULL);
1258	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1259	XNForeground, fg, XNBackground, bg,
1260	//XNFontSet, R->TermWin.fontset,
1261	NULL);
1262	}
1263	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1264	XNClientWindow, R->TermWin.parent[0],
1265	XNFocusWindow, R->TermWin.parent[0],
1266	XNDestroyCallback, &ximcallback,
1267	preedit_attr ? XNPreeditAttributes : NULL,
1268	preedit_attr,
1269	status_attr ? XNStatusAttributes : NULL,
1270	status_attr, NULL);
1271	if (preedit_attr)
1272	XFree(preedit_attr);
1273	if (status_attr)
1274	XFree(status_attr);
1275	if (R->Input_Context == NULL) {
1276	rxvt_print_error("failed to create input context");
1277	XCloseIM(xim);
1278	return False;
1279	}
1280	if (R->input_style & XIMPreeditArea)
1281	rxvt_IMSetStatusPosition(aR);
1282	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1283	return True;
1284	}	1656	}
1285		1657
1286	/* EXTPROTO */
1287	void	1658	void
1288	rxvt_IMSetStatusPosition(pR)	1659	rxvt_term::im_set_position ()
1289	{	1660	{
1290	XRectangle preedit_rect, status_rect, *needed_rect;	1661	XRectangle preedit_rect, status_rect, *needed_rect;
1291	XVaNestedList preedit_attr, status_attr;	1662	XVaNestedList preedit_attr, status_attr;
1292		1663
1293	if (R->Input_Context == NULL	1664	if (!Input_Context
1294	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1665	|| !focus
1295	|| !rxvt_IMisRunning(aR))	1666	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
		1667	|| !im_is_running ())
1296	return;	1668	return;
1297		1669
		1670	if (input_style & XIMPreeditPosition)
		1671	{
		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	{
1298	/* Getting the necessary width of preedit area */	1680	/* Getting the necessary width of preedit area */
1299	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1681	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1300	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1682	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1301	XFree(status_attr);	1683	XFree (status_attr);
1302		1684
1303	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1685	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1686	XFree (needed_rect);
1304		1687
1305	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1688	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1306	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1689	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1307		1690
1308	XSetICValues(R->Input_Context,	1691	XSetICValues (Input_Context,
1309	XNPreeditAttributes, preedit_attr,	1692	XNPreeditAttributes, preedit_attr,
1310	XNStatusAttributes, status_attr, NULL);	1693	XNStatusAttributes, status_attr,
		1694	NULL);
1311		1695
		1696	XFree (status_attr);
		1697	}
		1698
1312	XFree(preedit_attr);	1699	XFree (preedit_attr);
1313	XFree(status_attr);
1314	}	1700	}
1315	#endif /* USE_XIM */	1701	#endif /* USE_XIM */
1316		1702
1317	/*----------------------------------------------------------------------*/	1703	void
1318	rxvt_t rxvt_current_term;	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 ())
		1716	return;
		1717
		1718	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1719
		1720	if (to_wait <= 0.)
		1721	bg_render ();
		1722	else
		1723	update_background_ev.start (to_wait);
		1724	}
		1725
		1726	void
		1727	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1728	{
		1729	make_current ();
		1730
		1731	update_background_ev.stop ();
		1732	bg_render ();
		1733	refresh_check ();
		1734	}
		1735
		1736	#endif /* HAVE_BG_PIXMAP */
1319		1737
1320	/*----------------------- end-of-file (C source) -----------------------*/	1738	/*----------------------- end-of-file (C source) -----------------------*/

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