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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.15 by pcg, Thu Dec 18 05:45:11 2003 UTC vs.
Revision 1.393 by root, Sat Dec 13 09:50:43 2014 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.15 2003/12/18 05:45:11 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 3 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
22	*	22	*
23	* This program is distributed in the hope that it will be useful,	23	* This program is distributed in the hope that it will be useful,
24	* but WITHOUT ANY WARRANTY; without even the implied warranty of	24	* but WITHOUT ANY WARRANTY; without even the implied warranty of
25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "init.h"
		36	#include "keyboard.h"
		37	#include "rxvtperl.h"
36		38
		39	#include <limits>
		40
		41	#include <assert.h>
37	#include <signal.h>	42	#include <signal.h>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	43	#include <string.h>
41	#endif
42		44
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	45	#include <termios.h>
45	#endif
46		46
47	#include <cstring>	47	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# include <locale.h>
		52	#endif
48		53
		54	struct termios rxvt_term::def_tio;
		55	vector<rxvt_term *> rxvt_term::termlist;
		56
		57	// used to tell global functions which terminal instance is "active"
		58	rxvt_t rxvt_current_term;
		59
49	static char curlocale[128];	60	static char curlocale[128], savelocale[128];
50		61
51	void	62	bool
52	rxvt_set_locale (const char *locale)	63	rxvt_set_locale (const char *locale) NOTHROW
53	{	64	{
		65	int size = strlen (locale) + 1;
		66
		67	if (size > sizeof (curlocale))
		68	rxvt_fatal ("locale string too long, aborting.\n");
		69
54	if (locale && strncmp (locale, curlocale, 128))	70	if (!locale || !memcmp (locale, curlocale, size))
55	{	71	return false;
		72
56	strncpy (curlocale, locale, 128);	73	memcpy (curlocale, locale, size);
57	setlocale (LC_CTYPE, curlocale);	74	setlocale (LC_CTYPE, curlocale);
58	}	75	return true;
59	}	76	}
60		77
61	void *	78	void
62	rxvt_term::operator new (size_t s)	79	rxvt_push_locale (const char *locale) NOTHROW
63	{	80	{
64	void *p = malloc (s);	81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
65		84
66	MEMSET (p, 0, s);	85	void
		86	rxvt_pop_locale () NOTHROW
		87	{
		88	rxvt_set_locale (savelocale);
		89	}
		90
		91	#if ENABLE_COMBINING
		92	class rxvt_composite_vec rxvt_composite;
		93
		94	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		95	{
		96	compose_char *cc;
		97
		98	// break compose chains, as stupid readline really likes to duplicate
		99	// composing characters for some reason, near the end of a line.
		100	cc = (*this)[c1];
		101	while (cc)
		102	{
		103	if (cc->c2 == c2) return c1;
		104	cc = (*this)[cc->c1];
		105	}
		106
		107	// check to see whether this combination already exists otherwise
		108	for (cc = v.begin (); cc < v.end (); cc++)
		109	if (cc->c1 == c1 && cc->c2 == c2)
		110	return COMPOSE_LO + (cc - v.begin ());
		111
		112	// allocate a new combination
		113	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		114	{
		115	static int seen;
		116
		117	if (!seen++)
		118	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
		119
		120	return REPLACEMENT_CHAR;
		121	}
		122
		123	v.push_back (compose_char (c1, c2));
		124
		125	return v.size () - 1 + COMPOSE_LO;
		126	}
		127
		128	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		129	{
		130	compose_char *cc = (*this)[c];
		131
		132	if (!cc)
		133	{
		134	if (r) *r = c;
		135	return 1;
		136	}
		137
		138	int len = expand (cc->c1, r);
		139
		140	if (r) r += len;
		141
		142	if (cc->c2 != NOCHAR)
		143	{
		144	len++;
		145	if (r) *r++ = cc->c2;
		146	}
		147
67	return p;	148	return len;
68	}
69		149
70	void
71	rxvt_term::operator delete (void *p, size_t s)
72	{
73	free (p);
74	}	150	}
		151	#endif
75		152
76	rxvt_term::rxvt_term ()	153	rxvt_term::rxvt_term ()
77	: pty_ev (this, &rxvt_term::pty_cb),	154	{
		155	#if HAVE_BG_PIXMAP
		156	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		157	#endif
78	#ifdef CURSOR_BLINK	158	#ifdef CURSOR_BLINK
79	blink_ev (this, &rxvt_term::blink_cb),	159	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		160	#endif
		161	#ifdef TEXT_BLINK
		162	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		163	#endif
		164	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		165	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		166	#endif
		167	#ifdef SELECTION_SCROLLING
		168	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		169	#endif
		170	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		171	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		172	#endif
		173	#if BG_IMAGE_FROM_ROOT || ENABLE_PERL
		174	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		175	#endif
		176	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		177	#if USE_XIM
		178	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
80	#endif	179	#endif
81	#ifdef POINTER_BLANK	180	#ifdef POINTER_BLANK
82	pointer_ev (this, &rxvt_term::pointer_cb),	181	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
83	#endif	182	#endif
84	x_ev (this, &rxvt_term::x_cb),	183	#ifndef NO_BELL
85	destroy_ev (this, &rxvt_term::destroy_cb),	184	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
86	check_ev (this, &rxvt_term::check_cb),	185	#endif
87	incr_ev (this, &rxvt_term::incr_cb)	186	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
88	{	187	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		188	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		189	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		190	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		191	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		192
89	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	193	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		194
		195	termlist.push_back (this);
		196
		197	#ifdef KEYSYM_RESOURCE
		198	keyboard = new keyboard_manager;
		199	#endif
		200	}
		201
		202	// clean up the most important stuff, do *not* call x or free mem etc.
		203	// for use before an emergency exit
		204	void
		205	rxvt_term::emergency_cleanup ()
		206	{
		207	if (cmd_pid)
		208	kill (-cmd_pid, SIGHUP);
		209
		210	pty_ev.stop ();
		211	delete pty; pty = 0;
90	}	212	}
91		213
92	rxvt_term::~rxvt_term ()	214	rxvt_term::~rxvt_term ()
93	{	215	{
		216	termlist.erase (find (termlist.begin (), termlist.end(), this));
		217
		218	emergency_cleanup ();
		219
		220	#if ENABLE_STYLES
		221	for (int i = RS_styleCount; --i; )
		222	if (fontset[i] != fontset[0])
		223	delete fontset[i];
		224	#endif
		225	delete fontset[0];
		226
		227	#ifdef HAVE_BG_PIXMAP
		228	bg_destroy ();
		229	#endif
		230
		231	#if HAVE_IMG
		232	delete bg_img;
		233	#endif
		234
		235	if (display)
		236	{
		237	selection_clear ();
		238	selection_clear (true);
		239
		240	#if USE_XIM
		241	im_destroy ();
		242	#endif
		243	scrollBar.destroy ();
		244
		245	if (gc)
		246	XFreeGC (dpy, gc);
		247
		248	delete drawable;
		249
		250	// destroy all windows
		251	if (parent)
		252	XDestroyWindow (dpy, parent);
		253
		254	for (int i = 0; i < TOTAL_COLORS; i++)
		255	if (ISSET_PIXCOLOR (i))
		256	{
		257	pix_colors_focused [i].free (this);
		258	#if OFF_FOCUS_FADING
		259	pix_colors_unfocused [i].free (this);
		260	#endif
		261	}
		262
		263	clear ();
		264
		265	display->flush (); /* ideally .put should do this */
		266	displays.put (display);
		267	}
		268
94	scr_release ();	269	scr_release ();
95		270
		271	/* clear all resources */
		272	for (int i = 0; i < allocated.size (); i++)
		273	free (allocated [i]);
		274
		275	free (selection.text);
		276	free (selection.clip_text);
96	free (locale);	277	free (locale);
97	free (codeset);	278	free (v_buffer);
98		279
99	#ifndef NO_SETOWNER_TTYDEV	280	delete selection_req;
100	rxvt_privileged_ttydev (this, RESTORE);
101	#endif
102	#ifdef UTMP_SUPPORT
103	rxvt_privileged_utmp (this, RESTORE);
104	#endif
105	#ifdef USE_XIM
106	if (Input_Context != NULL)
107	{
108	XDestroyIC (Input_Context);
109	Input_Context = NULL;
110	}
111	#endif
112		281
113	if (cmd_fd >= 0)	282	if (env && memcmp (env, envv->begin (), envv->size () * sizeof (char *)))
114	close (cmd_fd);	283	rxvt_warn ("env has been modified, probably as a result of a lib calling setenv.\n");
115		284
116	if (Xfd >= 0)	285	delete env;
117	XCloseDisplay (Xdisplay);
118		286
119	delete PixColors;	287	delete envv;
		288	delete argv;
		289
		290	#ifdef KEYSYM_RESOURCE
		291	delete keyboard;
		292	#endif
		293	#ifndef NO_RESOURCES
		294	XrmDestroyDatabase (option_db);
		295	#endif
		296
		297	SET_R ((rxvt_term *)0);
		298	}
		299
		300	// child has exited, usually destroys
		301	void
		302	rxvt_term::child_cb (ev::child &w, int status)
		303	{
		304	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		305
		306	cmd_pid = 0;
		307
		308	if (!option (Opt_hold))
		309	destroy ();
120	}	310	}
121		311
122	void	312	void
123	rxvt_term::destroy ()	313	rxvt_term::destroy ()
124	{	314	{
		315	if (destroy_ev.is_active ())
		316	return;
		317
		318	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		319
		320	#if ENABLE_OVERLAY
		321	scr_overlay_off ();
		322	#endif
		323
		324	if (display)
		325	{
		326	#if USE_XIM
		327	im_ev.stop (display);
		328	#endif
		329	scrollbar_ev.stop (display);
		330	#if BG_IMAGE_FROM_ROOT || ENABLE_PERL
		331	rootwin_ev.stop (display);
		332	#endif
		333	termwin_ev.stop (display);
		334	vt_ev.stop (display);
		335	}
		336
125	check_ev.stop ();	337	flush_ev.stop ();
126	pty_ev.stop ();	338	pty_ev.stop ();
127	x_ev.stop ();
128	#ifdef CURSOR_BLINK	339	#ifdef CURSOR_BLINK
		340	cursor_blink_ev.stop ();
		341	#endif
		342	#ifdef TEXT_BLINK
129	blink_ev.stop ();	343	text_blink_ev.stop ();
		344	#endif
		345	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		346	cont_scroll_ev.stop ();
		347	#endif
		348	#ifdef SELECTION_SCROLLING
		349	sel_scroll_ev.stop ();
130	#endif	350	#endif
131	#ifdef POINTER_BLANK	351	#ifdef POINTER_BLANK
132	pointer_ev.stop ();	352	pointer_ev.stop ();
133	#endif	353	#endif
134		354
135	destroy_ev.start (0);	355	destroy_ev.start ();
136	}	356	}
137		357
138	void	358	void
139	rxvt_term::destroy_cb (time_watcher &w)	359	rxvt_term::destroy_cb (ev::idle &w, int revents)
140	{	360	{
141	SET_R (this);	361	make_current ();
142		362
143	delete this;	363	delete this;
144	}	364	}
145		365
146	/*----------------------------------------------------------------------*/	366	void
147	/* rxvt_init() */	367	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
148	/* LIBPROTO */
149	rxvt_t
150	rxvt_init (int argc, const char *const *argv)
151	{	368	{
152	SET_R (new rxvt_term);	369	if (!opt)
153	dR;
154
155	if (!R->init_vars () || !R->init (argc, argv))
156	{
157	delete R;
158	return NULL;
159	}
160
161	return R;	370	return;
162	}
163		371
164	/* EXTPROTO */	372	uint8_t mask = 1 << (opt & 7);
165	void	373	uint8_t &val = options [opt >> 3];
166	rxvt_init_signals ()
167	{
168	/* install exit handler for cleanup */
169	#if 0
170	#ifdef HAVE_ATEXIT
171	atexit(rxvt_clean_exit);
172	#else
173	#endif
174	#endif
175		374
176	struct sigaction sa;	375	val = val & ~mask | (set ? mask : 0);
177
178	sigfillset (&sa.sa_mask);
179	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
180	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
181	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
182	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
183	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
184	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
185	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
186
187	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
188	/* signal (SIGURG, SIG_DFL); */
189
190	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
191	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
192	}
193
194	bool
195	rxvt_term::init (int argc, const char *const *argv)
196	{
197	/*
198	* Save and then give up any super-user privileges
199	* If we need privileges in any area then we must specifically request it.
200	* We should only need to be root in these cases:
201	* 1. write utmp entries on some systems
202	* 2. chown tty on some systems
203	*/
204	rxvt_privileges (this, SAVE);
205	rxvt_privileges (this, IGNORE);
206
207	#if HAVE_XSETLOCALE || HAVE_SETLOCALE
208	locale = strdup (setlocale (LC_CTYPE, ""));
209	#endif
210	#if HAVE_NL_LANGINFO
211	codeset = strdup (nl_langinfo (CODESET));
212	#endif
213
214	init_secondary ();
215
216	const char **cmd_argv = init_resources (argc, argv);
217
218	#if (MENUBAR_MAX)
219	rxvt_menubar_read (this, rs[Rs_menu]);
220	#endif
221	#ifdef HAVE_SCROLLBARS
222	if (Options & Opt_scrollBar)
223	scrollBar.setIdle (); /* set existence for size calculations */
224	#endif
225
226	rxvt_Create_Windows (this, argc, argv);
227
228	init_xlocale ();
229
230	scr_reset (); /* initialize screen */
231	#ifdef RXVT_GRAPHICS
232	rxvt_Gr_reset (this); /* reset graphics */
233	#endif
234
235	#if 0
236	#ifdef DEBUG_X
237	XSynchronize(Xdisplay, True);
238	#endif
239	#endif
240
241	#ifdef HAVE_SCROLLBARS
242	if (Options & Opt_scrollBar)
243	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
244	#endif
245	#if (MENUBAR_MAX)
246	if (menubar_visible(r))
247	XMapWindow (Xdisplay, menuBar.win);
248	#endif
249	#ifdef TRANSPARENT
250	if (Options & Opt_transparent)
251	{
252	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
253	rxvt_check_our_parents (this);
254	}
255	#endif
256	XMapWindow (Xdisplay, TermWin.vt);
257	XMapWindow (Xdisplay, TermWin.parent[0]);
258
259	init_env ();
260	init_command (cmd_argv);
261
262	x_ev.start (Xfd, EVENT_READ);
263	pty_ev.start (cmd_fd, EVENT_READ);
264
265	check_ev.start ();
266
267	process_x_events ();
268
269	return true;
270	}
271
272	/* ------------------------------------------------------------------------- *
273	* SIGNAL HANDLING & EXIT HANDLER *
274	* ------------------------------------------------------------------------- */
275	/*
276	* Catch a SIGCHLD signal and exit if the direct child has died
277	*/
278	/* ARGSUSED */
279	/* EXTPROTO */
280	RETSIGTYPE
281	rxvt_Child_signal(int sig __attribute__ ((unused)))
282	{
283	int pid, save_errno = errno;
284	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
285	;
286	errno = save_errno;
287
288	#if 0
289	if (pid == R->cmd_pid)
290	exit (EXIT_SUCCESS);
291	#endif
292	}
293
294	/*
295	* Catch a fatal signal and tidy up before quitting
296	*/
297	/* EXTPROTO */
298	RETSIGTYPE
299	rxvt_Exit_signal(int sig)
300	{
301	signal(sig, SIG_DFL);
302	#ifdef DEBUG_CMD
303	rxvt_print_error("signal %d", sig);
304	#endif
305	rxvt_clean_exit();
306	kill(getpid(), sig);
307	}
308
309	/* ARGSUSED */
310	/* INTPROTO */
311	int
312	rxvt_xerror_handler(const Display * display
313	__attribute__ ((unused)), const XErrorEvent * event)
314	{
315	dR;
316
317	if (R->allowedxerror == -1)
318	R->allowedxerror = event->error_code;
319	else
320	{
321	rxvt_print_error("XError: Request: %d . %d, Error: %d",
322	event->request_code, event->minor_code,
323	event->error_code);
324
325	R->destroy ();
326	}
327
328	return 0;
329	}	376	}
330		377
331	/*----------------------------------------------------------------------*/	378	/*----------------------------------------------------------------------*/
332	/*	379	/*
333	* Exit gracefully, clearing the utmp entry and restoring tty attributes	380	* Exit gracefully, clearing the utmp entry and restoring tty attributes
334	* TODO: if debugging, this should free up any known resources if we can
335	*/	381	*/
336	/* EXTPROTO */	382	static XErrorHandler old_xerror_handler;
337	void
338	rxvt_clean_exit ()
339	{
340	dR;
341		383
342	R->destroy ();	384	static void
343	}	385	rxvt_emergency_cleanup ()
344
345	/* ------------------------------------------------------------------------- *
346	* MEMORY ALLOCATION WRAPPERS *
347	* ------------------------------------------------------------------------- */
348	/* EXTPROTO */
349	void *
350	rxvt_malloc(size_t size)
351	{	386	{
352	void *p;	387	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		388	(*t)->emergency_cleanup ();
		389	}
353		390
354	p = malloc(size);	391	#if !ENABLE_MINIMAL
355	if (p)	392	static void ecb_cold
356	return p;	393	print_x_error (Display *dpy, XErrorEvent *event)
		394	{
		395	char buffer[BUFSIZ];
		396	char mesg[BUFSIZ];
		397	char number[32];
357		398
358	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	399	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
359	rxvt_clean_exit();	400
		401	XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
		402	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
		403
		404	XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
		405	XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
		406	rxvt_warn ("+ %s: %s\n", mesg, buffer);
		407
		408	XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		409	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
		410
		411	if (event->request_code >= 128)
		412	{
		413	#if 0
		414	/* XListExtensions and probably query extensions hangs when there are multiple queues errors */
		415	int nexts;
		416	char **exts = XListExtensions (dpy, &nexts);
		417
		418	while (nexts)
		419	{
		420	char *extname = exts [nexts - 1];
		421	int major, first_event, first_error;
		422
		423	if (XQueryExtension (dpy, extname, &major, &first_event, &first_error) && major == event->request_code)
		424	{
		425	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		426	rxvt_warn ("+ (which is extension %s minor code %d)\n", extname, event->minor_code);
		427
		428	snprintf (buffer, BUFSIZ, "%s.%d", extname, event->minor_code);
		429	XGetErrorDatabaseText (dpy, "XRequest", buffer, "an unregistered minor code", buffer, BUFSIZ);
		430	rxvt_warn ("+ (which is %s)\n", buffer);
		431
		432	break;
		433	}
		434
		435	printf ("nextss %d %s\n", nexts, extname);//D
		436	--nexts;
		437	++exts;
		438	}
		439	#else
		440	int nexts = 0;
		441	char **exts = 0;
		442	#endif
		443
		444	if (!nexts)
		445	{
		446	rxvt_warn ("+ (which is an unknown extension)\n", buffer);
		447
		448	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		449	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
		450
		451	#if 0
		452	sprintf (number, "RENDER.%d", event->minor_code);
		453	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		454	rxvt_warn ("+ (which is %s)\n", buffer);
		455	#endif
		456	}
		457
		458	XFreeExtensionList (exts);
		459	}
		460	else
		461	{
		462	sprintf (number, "%d", event->request_code);
		463	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		464	rxvt_warn ("+ (which is %s)\n", buffer);
		465	}
		466
		467	if (event->error_code == BadWindow
		468	|| event->error_code == BadPixmap
		469	|| event->error_code == BadCursor
		470	|| event->error_code == BadFont
		471	|| event->error_code == BadDrawable
		472	|| event->error_code == BadColor
		473	|| event->error_code == BadGC
		474	|| event->error_code == BadIDChoice
		475	|| event->error_code == BadValue
		476	|| event->error_code == BadAtom)
		477	{
		478	if (event->error_code == BadValue)
		479	XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
		480	else if (event->error_code == BadAtom)
		481	XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
		482	else
		483	XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
		484
		485	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
		486	}
		487	}
		488	#endif
		489
		490	int ecb_cold
		491	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		492	{
		493	if (GET_R && GET_R->allowedxerror == -1)
		494	GET_R->allowedxerror = event->error_code;
		495	else
		496	{
		497	// GET_R is most likely not the terminal which caused the error,
		498	// so just output the error and continue
		499	#if ENABLE_MINIMAL
		500	old_xerror_handler (display, event);
		501	#else
		502	print_x_error (display, event);
		503	#endif
		504	}
		505
		506	return 0;
		507	}
		508
		509	int ecb_cold
		510	rxvt_xioerror_handler (Display *display)
		511	{
		512	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		513	DisplayString (display));
		514	rxvt_emergency_cleanup ();
360	exit(EXIT_FAILURE);	515	_exit (EXIT_FAILURE);
361	/* NOTREACHED */
362	}	516	}
363		517
364	/* EXTPROTO */	518	static struct sig_handlers
365	void *
366	rxvt_calloc(size_t number, size_t size)
367	{	519	{
368	void *p;	520	ev::sig sw_term, sw_int;
369		521
370	p = calloc(number, size);	522	/*
371	if (p)	523	* Catch a fatal signal and tidy up before quitting
372	return p;	524	*/
		525	void sig_term (ev::sig &w, int revents);
373		526
374	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	527	sig_handlers ()
375	rxvt_clean_exit();	528	{
376	exit(EXIT_FAILURE);	529	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
377	/* NOTREACHED */	530	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
378	}	531	}
		532	} sig_handlers;
379		533
380	/* EXTPROTO */
381	void *
382	rxvt_realloc(void *ptr, size_t size)
383	{
384	void *p;
385
386	if (ptr)
387	p = realloc(ptr, size);
388	else
389	p = malloc(size);
390	if (p)
391	return p;
392
393	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
394	rxvt_clean_exit();
395	exit(EXIT_FAILURE);
396	/* NOTREACHED */
397	}
398
399	/* ------------------------------------------------------------------------- *
400	* PRIVILEGED OPERATIONS *
401	* ------------------------------------------------------------------------- */
402	/* take care of suid/sgid super-user (root) privileges */
403	/* INTPROTO */
404	void	534	void
405	rxvt_privileges(pR_ int mode)	535	sig_handlers::sig_term (ev::sig &w, int revents)
406	{	536	{
407	#if ! defined(__CYGWIN32__)	537	rxvt_emergency_cleanup ();
408	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	538	w.stop ();
409	/* setreuid() is the poor man's setuid(), seteuid() */	539	kill (getpid (), w.signum);
410	# define seteuid(a) setreuid(-1, (a))	540	}
411	# define setegid(a) setregid(-1, (a))	541
412	# define HAVE_SETEUID	542	static void
		543	rxvt_get_ttymode (struct termios *tio)
		544	{
		545	if (tcgetattr (STDIN_FILENO, tio) < 0)
		546	memset (tio, 0, sizeof (struct termios));
		547
		548	for (int i = 0; i < NCCS; i++)
		549	tio->c_cc[i] = VDISABLE;
		550
		551	tio->c_cc[VINTR] = CINTR;
		552	tio->c_cc[VQUIT] = CQUIT;
		553	tio->c_cc[VERASE] = CERASE;
		554	#ifdef VERASE2
		555	tio->c_cc[VERASE2] = CERASE2;
		556	#endif
		557	tio->c_cc[VKILL] = CKILL;
		558	tio->c_cc[VEOF] = CEOF;
		559	tio->c_cc[VSTART] = CSTART;
		560	tio->c_cc[VSTOP] = CSTOP;
		561	tio->c_cc[VSUSP] = CSUSP;
		562	# ifdef VDSUSP
		563	tio->c_cc[VDSUSP] = CDSUSP;
413	# endif	564	# endif
414	# ifdef HAVE_SETEUID	565	# ifdef VREPRINT
415	switch (mode) {	566	tio->c_cc[VREPRINT] = CRPRNT;
416	case IGNORE:
417	/*
418	* change effective uid/gid - not real uid/gid - so we can switch
419	* back to root later, as required
420	*/
421	seteuid(getuid());
422	setegid(getgid());
423	break;
424	case SAVE:
425	R->euid = geteuid();
426	R->egid = getegid();
427	break;
428	case RESTORE:
429	seteuid(R->euid);
430	setegid(R->egid);
431	break;
432	}
433	# else
434	switch (mode) {
435	case IGNORE:
436	setuid(getuid());
437	setgid(getgid());
438	/* FALLTHROUGH */
439	case SAVE:
440	/* FALLTHROUGH */
441	case RESTORE:
442	break;
443	}
444	# endif	567	# endif
445	#endif	568	# ifdef VDISCRD
446	}	569	tio->c_cc[VDISCRD] = CFLUSH;
447
448	#ifdef UTMP_SUPPORT
449	/* EXTPROTO */
450	void
451	rxvt_privileged_utmp(pR_ char action)
452	{
453	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
454	action, R->next_utmp_action, getpid()));
455	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
456	|| (R->Options & Opt_utmpInhibit)
457	|| R->ttydev == NULL || *R->ttydev == '\0')
458	return;
459
460	rxvt_privileges(aR_ RESTORE);
461	if (action == SAVE) {
462	R->next_utmp_action = RESTORE;
463	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
464	} else { /* action == RESTORE */
465	R->next_utmp_action = IGNORE;
466	rxvt_cleanutent(aR);
467	}
468	rxvt_privileges(aR_ IGNORE);
469	}
470	#endif
471
472	#ifndef NO_SETOWNER_TTYDEV
473	/* EXTPROTO */
474	void
475	rxvt_privileged_ttydev(pR_ char action)
476	{
477	D_MAIN((stderr,
478	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
479	action, R->next_tty_action, getpid()));
480	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
481	|| R->ttydev == NULL || *R->ttydev == '\0')
482	return;
483
484	rxvt_privileges(aR_ RESTORE);
485
486	if (action == SAVE) {
487	R->next_tty_action = RESTORE;
488	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
489	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
490	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
491	R->next_tty_action = IGNORE;
492	else
493	# endif	570	# endif
494	{	571	# ifdef VWERSE
495	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	572	tio->c_cc[VWERSE] = CWERASE;
496	chmod(R->ttydev, R->ttymode);
497	# ifdef HAVE_REVOKE
498	revoke(R->ttydev);
499	# endif	573	# endif
500	}	574	# ifdef VLNEXT
501	} else { /* action == RESTORE */	575	tio->c_cc[VLNEXT] = CLNEXT;
502	R->next_tty_action = IGNORE;
503	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
504	chmod(R->ttydev, R->ttyfd_stat.st_mode);
505	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
506	# else
507	chmod(R->ttydev,
508	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
509	chown(R->ttydev, 0, 0);
510	# endif	576	# endif
511	}	577	# ifdef VSTATUS
512		578	tio->c_cc[VSTATUS] = CSTATUS;
513	rxvt_privileges(aR_ IGNORE);
514
515	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
516	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
517	action == RESTORE ? "Restoring" : (action ==
518	SAVE ? "Saving" :
519	"UNKNOWN ERROR for"), R->ttydev,
520	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
521	R->ttyfd_stat.st_gid));
522	# endif	579	# endif
523	}	580
		581	# if VMIN != VEOF
		582	tio->c_cc[VMIN] = 1;
524	#endif	583	# endif
		584	# if VTIME != VEOL
		585	tio->c_cc[VTIME] = 0;
		586	# endif
		587
		588	/* input modes */
		589	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		590	# ifdef IMAXBEL
		591	| IMAXBEL
		592	# endif
		593	| IXON);
		594
		595	/* output modes */
		596	tio->c_oflag = (OPOST | ONLCR);
		597
		598	/* control modes */
		599	tio->c_cflag = (CS8 | CREAD);
		600
		601	/* local modes */
		602	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		603	# if defined (ECHOCTL) && defined (ECHOKE)
		604	| ECHOCTL | ECHOKE
		605	# endif
		606	| ECHOE | ECHOK);
		607	}
		608
		609	char **rxvt_environ; // startup environment
		610
		611	void
		612	rxvt_init ()
		613	{
		614	assert (("fontMask must not overlap other RS masks",
		615	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		616
		617	rxvt_get_ttymode (&rxvt_term::def_tio);
		618
		619	// get rid of stdin/stdout as we don't need them, to free resources
		620	dup2 (STDERR_FILENO, STDIN_FILENO);
		621	dup2 (STDERR_FILENO, STDOUT_FILENO);
		622
		623	if (!ev_default_loop ())
		624	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		625
		626	rxvt_environ = environ;
		627
		628	signal (SIGHUP, SIG_IGN);
		629	signal (SIGPIPE, SIG_IGN);
		630
		631	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		632	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		633
		634	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		635	// TODO: handle this with exceptions and tolerate the memory loss
		636	XSetIOErrorHandler (rxvt_xioerror_handler);
		637
		638	XrmInitialize ();
		639
		640	#if HAVE_PIXBUF
		641	g_type_init ();
		642	#endif
		643	}
525		644
526	/*----------------------------------------------------------------------*/	645	/*----------------------------------------------------------------------*/
527	/*	646	/*
528	* window size/position calculcations for XSizeHint and other storage.	647	* window size/position calculations for XSizeHint and other storage.
529	* if width/height are non-zero then override calculated width/height	648	* if width/height are non-zero then override calculated width/height
530	*/	649	*/
531	/* EXTPROTO */
532	void	650	void
533	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	651	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
534	{	652	{
535	short recalc_x, recalc_y;	653	short recalc_x, recalc_y;
536	int x, y, sb_w, mb_h, flags;	654	int x, y, flags;
537	unsigned int w, h;	655	unsigned int w, h;
538	unsigned int max_width, max_height;	656	unsigned int max_width, max_height;
539		657
540	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
541	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
542	R->szHint.height));
543	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	658	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
544	R->szHint.win_gravity = NorthWestGravity;	659	szHint.win_gravity = NorthWestGravity;
545	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	660	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
546		661
547	recalc_x = recalc_y = 0;	662	recalc_x = recalc_y = 0;
548	flags = 0;	663	flags = 0;
		664
549	if (!R->parsed_geometry) {	665	if (!parsed_geometry)
		666	{
550	R->parsed_geometry = 1;	667	parsed_geometry = 1;
		668
551	if (R->rs[Rs_geometry])	669	if (rs[Rs_geometry])
552	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	670	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		671
553	if (flags & WidthValue) {	672	if (flags & WidthValue)
554	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	673	{
		674	if (!w)
		675	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		676
		677	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
555	R->szHint.flags |= USSize;	678	szHint.flags |= USSize;
556	}	679	}
		680
557	if (flags & HeightValue) {	681	if (flags & HeightValue)
558	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	682	{
		683	if (!h)
		684	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		685
		686	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
559	R->szHint.flags |= USSize;	687	szHint.flags |= USSize;
560	}	688	}
		689
561	if (flags & XValue) {	690	if (flags & XValue)
		691	{
562	R->szHint.x = x;	692	szHint.x = x;
563	R->szHint.flags |= USPosition;	693	szHint.flags |= USPosition;
		694
564	if (flags & XNegative) {	695	if (flags & XNegative)
		696	{
565	recalc_x = 1;	697	recalc_x = 1;
566	R->szHint.win_gravity = NorthEastGravity;	698	szHint.win_gravity = NorthEastGravity;
567	}	699	}
568	}	700	}
		701
569	if (flags & YValue) {	702	if (flags & YValue)
		703	{
570	R->szHint.y = y;	704	szHint.y = y;
571	R->szHint.flags |= USPosition;	705	szHint.flags |= USPosition;
		706
572	if (flags & YNegative) {	707	if (flags & YNegative)
		708	{
573	recalc_y = 1;	709	recalc_y = 1;
		710
574	if (R->szHint.win_gravity == NorthEastGravity)	711	if (szHint.win_gravity == NorthEastGravity)
575	R->szHint.win_gravity = SouthEastGravity;	712	szHint.win_gravity = SouthEastGravity;
576	else	713	else
577	R->szHint.win_gravity = SouthWestGravity;	714	szHint.win_gravity = SouthWestGravity;
578	}	715	}
579	}	716	}
580	}	717	}
		718
581	/* TODO: BOUNDS */	719	/* TODO: BOUNDS */
582	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	720	width = ncol * fwidth;
583	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	721	height = nrow * fheight;
584	max_width = MAX_COLS * R->TermWin.fwidth;	722	max_width = MAX_COLS * fwidth;
585	max_height = MAX_ROWS * R->TermWin.fheight;	723	max_height = MAX_ROWS * fheight;
586		724
587	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	725	szHint.base_width = szHint.base_height = 2 * int_bwidth;
588		726
589	sb_w = mb_h = 0;
590	R->window_vt_x = R->window_vt_y = 0;	727	window_vt_x = window_vt_y = int_bwidth;
591	if (scrollbar_visible(R)) {	728
		729	if (scrollBar.state)
		730	{
592	sb_w = scrollbar_TotalWidth();	731	int sb_w = scrollBar.total_width ();
593	R->szHint.base_width += sb_w;	732	szHint.base_width += sb_w;
		733
594	if (!(R->Options & Opt_scrollBar_right))	734	if (!option (Opt_scrollBar_right))
595	R->window_vt_x = sb_w;	735	window_vt_x += sb_w;
596	}	736	}
597	if (menubar_visible(R)) {	737
598	mb_h = menuBar_TotalHeight();
599	R->szHint.base_height += mb_h;
600	R->window_vt_y = mb_h;
601	}
602	R->szHint.width_inc = R->TermWin.fwidth;	738	szHint.width_inc = fwidth;
603	R->szHint.height_inc = R->TermWin.fheight;	739	szHint.height_inc = fheight;
604	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	740	szHint.min_width = szHint.base_width + szHint.width_inc;
605	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	741	szHint.min_height = szHint.base_height + szHint.height_inc;
606		742
607	if (width && width - R->szHint.base_width < max_width) {	743	if (newwidth && newwidth - szHint.base_width < max_width)
		744	{
608	R->szHint.width = width;	745	szHint.width = newwidth;
609	R->TermWin.width = width - R->szHint.base_width;	746	width = newwidth - szHint.base_width;
610	} else {	747	}
611	MIN_IT(R->TermWin.width, max_width);	748	else
		749	{
		750	min_it (width, max_width);
612	R->szHint.width = R->szHint.base_width + R->TermWin.width;	751	szHint.width = szHint.base_width + width;
613	}	752	}
		753
614	if (height && height - R->szHint.base_height < max_height) {	754	if (newheight && newheight - szHint.base_height < max_height)
		755	{
615	R->szHint.height = height;	756	szHint.height = newheight;
616	R->TermWin.height = height - R->szHint.base_height;	757	height = newheight - szHint.base_height;
617	} else {	758	}
618	MIN_IT(R->TermWin.height, max_height);	759	else
		760	{
		761	min_it (height, max_height);
619	R->szHint.height = R->szHint.base_height + R->TermWin.height;	762	szHint.height = szHint.base_height + height;
620	}	763	}
621	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
622	R->window_sb_x = R->szHint.width - sb_w;
623		764
624	if (recalc_x)	765	if (recalc_x)
625	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	766	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
626	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	767
627	if (recalc_y)	768	if (recalc_y)
628	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	769	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
629	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
630		770
631	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	771	ncol = width / fwidth;
632	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	772	nrow = height / fheight;
633	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	773
634	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	774	// When the size of the vt window is not a multiple of the cell
635	R->szHint.height));	775	// size, i.e., when the wm does not honour our size hints, there are
636	return;	776	// extra areas not covered by the terminal screen. Such gaps, when a
		777	// bg pixmap is set, would have to be cleared manually to properly
		778	// refresh the background. We take the simpler route and shrink the
		779	// vt window so as to avoid creating gaps.
		780	vt_width = ncol * fwidth;
		781	vt_height = nrow * fheight;
637	}	782	}
638		783
639	/*----------------------------------------------------------------------*/	784	/*----------------------------------------------------------------------*/
640	/*	785	/*
641	* Tell the teletype handler what size the window is.	786	* Tell the teletype handler what size the window is.
642	* Called after a window size change.	787	* Called after a window size change.
643	*/	788	*/
644	void	789	void
645	rxvt_term::tt_winch ()	790	rxvt_term::tt_winch ()
646	{	791	{
647	struct winsize ws;	792	if (pty->pty < 0)
648
649	if (cmd_fd < 0)
650	return;	793	return;
651		794
		795	struct winsize ws;
		796
652	ws.ws_col = TermWin.ncol;	797	ws.ws_col = ncol;
653	ws.ws_row = TermWin.nrow;	798	ws.ws_row = nrow;
654	ws.ws_xpixel = ws.ws_ypixel = 0;	799	ws.ws_xpixel = vt_width;
655	#ifndef DEBUG_SIZE	800	ws.ws_ypixel = vt_height;
656	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	801	ioctl (pty->pty, TIOCSWINSZ, &ws);
		802
		803	#if 0
		804	// TIOCSWINSZ is supposed to do this automatically and correctly
		805	if (cmd_pid) /* force through to the command */
		806	kill (-cmd_pid, SIGWINCH);
		807	#endif
		808	}
		809
		810	/*----------------------------------------------------------------------*/
		811	/* load and set the various fonts */
		812	bool
		813	rxvt_term::set_fonts ()
		814	{
		815	rxvt_fontset *fs = new rxvt_fontset (this);
		816	rxvt_fontprop prop;
		817
		818	if (!fs
		819	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		820	|| !fs->realize_font (1))
		821	{
		822	delete fs;
		823	return false;
		824	}
		825
		826	#if ENABLE_STYLES
		827	for (int i = RS_styleCount; --i; )
		828	if (fontset[i] != fontset[0])
		829	delete fontset[i];
		830	#endif
		831
		832	delete fontset[0];
		833	fontset[0] = fs;
		834
		835	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		836	prop.width = max (prop.width + letterSpace, 1);
		837
		838	fs->set_prop (prop, false);
		839
		840	fwidth = prop.width;
		841	fheight = prop.height + lineSpace;
		842	fbase = prop.ascent;
		843
		844	for (int style = 1; style < 4; style++)
		845	{
		846	#if ENABLE_STYLES
		847	const char *res = rs[Rs_font + style];
		848
		849	if (res && !*res)
		850	fontset[style] = fontset[0];
		851	else
		852	{
		853	fontset[style] = fs = new rxvt_fontset (this);
		854	rxvt_fontprop prop2 = prop;
		855
		856	if (res)
		857	{
		858	fs->populate (res);
		859	fs->set_prop (prop2, false);
		860	}
		861	else
		862	{
		863	fs->populate (fontset[0]->fontdesc);
		864
		865	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		866	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		867
		868	fs->set_prop (prop2, true);
		869	}
		870
		871	}
657	#else	872	#else
658	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	873	fontset[style] = fontset[0];
659	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
660	# ifdef SIGWINCH
661	else if (cmd_pid) /* force through to the command */
662	kill (cmd_pid, SIGWINCH);
663	# endif	874	#endif
664	#endif	875	}
665	}
666		876
667	/*----------------------------------------------------------------------*/	877	if (parent)
668	/* rxvt_change_font() - Switch to a new font */	878	{
669	/*	879	resize_all_windows (0, 0, 0);
670	* init = 1 - initialize	880	scr_remap_chars ();
671	*	881	scr_touch (true);
672	* fontname == FONT_UP - switch to bigger font	882	}
673	* fontname == FONT_DN - switch to smaller font
674	*/
675	/* EXTPROTO */
676	void
677	rxvt_change_font(pR_ int init, const char *fontname)
678	{
679	}
680		883
681	/* INTPROTO */	884	return true;
		885	}
		886
682	void	887	void
683	rxvt_font_up_down(pR_ int n, int direction)	888	rxvt_term::set_string_property (Atom prop, const char *str, int len)
684	{	889	{
		890	XChangeProperty (dpy, parent,
		891	prop, XA_STRING, 8, PropModeReplace,
		892	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		893	}
		894
		895	void
		896	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		897	{
		898	XTextProperty ct;
		899
		900	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		901	{
		902	XSetTextProperty (dpy, parent, &ct, prop);
		903	XFree (ct.value);
		904	}
		905	}
		906
		907	void
		908	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		909	{
		910	wchar_t *ws = rxvt_mbstowcs (str, len);
		911	char *s = rxvt_wcstoutf8 (ws);
		912
		913	XChangeProperty (dpy, parent,
		914	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		915	(const unsigned char *)s, strlen (s));
		916
		917	free (s);
		918	free (ws);
685	}	919	}
686		920
687	/*----------------------------------------------------------------------*/	921	/*----------------------------------------------------------------------*/
688	/*----------------------------------------------------------------------*/	922	/*----------------------------------------------------------------------*/
689	/* xterm sequences - title, iconName, color (exptl) */	923	/* xterm sequences - title, iconName, color (exptl) */
690	/* EXTPROTO */
691	void	924	void
692	rxvt_set_title(pR_ const char *str)	925	rxvt_term::set_title (const char *str)
693	{	926	{
694	#ifndef SMART_WINDOW_TITLE	927	set_mbstring_property (XA_WM_NAME, str);
695	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	928	#if ENABLE_EWMH
696	#else	929	set_utf8_property (xa[XA_NET_WM_NAME], str);
697	char *name;
698
699	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
700	name = NULL;
701	if (name == NULL || STRCMP(name, str))
702	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
703	if (name)
704	XFree(name);
705	#endif	930	#endif
706	}	931	}
707		932
708	/* EXTPROTO */
709	void	933	void
710	rxvt_set_iconName(pR_ const char *str)	934	rxvt_term::set_icon_name (const char *str)
711	{	935	{
712	#ifndef SMART_WINDOW_TITLE	936	set_mbstring_property (XA_WM_ICON_NAME, str);
713	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	937	#if ENABLE_EWMH
714	#else	938	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
715	char *name;
716
717	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
718	name = NULL;
719	if (name == NULL || STRCMP(name, str))
720	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
721	if (name)
722	XFree(name);
723	#endif	939	#endif
724	}	940	}
725		941
		942	void
		943	rxvt_term::set_window_color (int idx, const char *color)
		944	{
726	#ifdef XTERM_COLOR_CHANGE	945	#ifdef XTERM_COLOR_CHANGE
727	/* EXTPROTO */
728	void
729	rxvt_set_window_color(pR_ int idx, const char *color)
730	{
731	rxvt_color xcol;	946	rxvt_color xcol;
732	int i;
733		947
734	if (color == NULL || *color == '\0')	948	if (color == NULL || *color == '\0')
735	return;	949	return;
736		950
		951	color = strdup (color);
		952	allocated.push_back ((void *)color);
		953	rs[Rs_color + idx] = color;
		954
737	/* handle color aliases */	955	/* handle color aliases */
738	if (isdigit(*color)) {	956	if (isdigit (*color))
		957	{
739	i = atoi(color);	958	int i = atoi (color);
740	if (i >= 8 && i <= 15) { /* bright colors */	959
741	i -= 8;	960	if (i >= 8 && i <= 15)
742	# ifndef NO_BRIGHTCOLOR	961	{
743	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	962	/* bright colors */
744	SET_PIXCOLOR(R, idx);	963	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
745	goto Done;	964	goto done;
746	# endif
747	}	965	}
748	if (i >= 0 && i <= 7) { /* normal colors */	966
749	R->PixColors[idx] = R->PixColors[minCOLOR + i];	967	if (i >= 0 && i <= 7)
750	SET_PIXCOLOR(R, idx);	968	{
		969	/* normal colors */
		970	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
751	goto Done;	971	goto done;
752	}	972	}
753	}	973	}
754	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
755	return;
756	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
757		974
758	/*	975	set_color (xcol, color);
		976
		977	/*
759	* FIXME: should free colors here, but no idea how to do it so instead,	978	* FIXME: should free colors here, but no idea how to do it so instead,
760	* so just keep gobbling up the colormap	979	* so just keep gobbling up the colormap
761	*/	980	*/
762	# if 0
763	for (i = Color_Black; i <= Color_White; i++)
764	if (R->PixColors[idx] == R->PixColors[i])
765	break;
766	if (i > Color_White) {
767	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
768	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
769	DisplayPlanes(R->Xdisplay, Xscreen));
770	}
771	# endif
772		981
773	R->PixColors[idx] = xcol;	982	pix_colors_focused[idx] = xcol;
774	SET_PIXCOLOR(R, idx);
775		983
776	/* XSetWindowAttributes attr; */	984	done:
777	/* Cursor cursor; */
778	Done:
779	if (idx == Color_bg && !(R->Options & Opt_transparent))
780	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
781	R->PixColors[Color_bg]);
782
783	/* handle Color_BD, scrollbar background, etc. */	985	/*TODO: handle Color_BD, scrollbar background, etc. */
784		986
785	rxvt_set_colorfgbg (aR);	987	update_fade_color (idx);
786	R->recolour_cursor ();	988	recolour_cursor ();
787	/* the only reasonable way to enforce a clean update */	989	scr_recolour ();
788	rxvt_scr_poweron (aR);	990	#endif /* XTERM_COLOR_CHANGE */
789	}	991	}
790
791	#else
792	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
793	#endif /* XTERM_COLOR_CHANGE */
794		992
795	void	993	void
796	rxvt_term::recolour_cursor ()	994	rxvt_term::recolour_cursor ()
797	{	995	{
798	#if TODO	996	XColor fg, bg;
799	rxvt_color xcol[2];
800		997
801	xcol[0] = PixColors[Color_pointer];	998	(ISSET_PIXCOLOR (Color_pointer_fg)
802	xcol[1] = PixColors[Color_bg];	999	? pix_colors_focused[Color_pointer_fg]
803	XQueryColors (Xdisplay, XCMAP, xcol, 2);	1000	: pix_colors_focused[Color_fg]).get (fg);
		1001
		1002	(ISSET_PIXCOLOR (Color_pointer_bg)
		1003	? pix_colors_focused[Color_pointer_bg]
		1004	: pix_colors_focused[Color_bg]).get (bg);
		1005
804	XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1]));	1006	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
805	#endif
806	}	1007	}
807		1008
808	/*----------------------------------------------------------------------*/	1009	/*----------------------------------------------------------------------*/
809	/*	1010	/*
810	* find if fg/bg matches any of the normal (low-intensity) colors	1011	* find if fg/bg matches any of the normal (low-intensity) colors
811	*/	1012	*/
812	/* INTPROTO */	1013	char *
813	void
814	rxvt_set_colorfgbg(pR)	1014	rxvt_term::get_colorfgbg ()
815	{	1015	{
816	unsigned int i;	1016	unsigned int i;
817	const char *xpmb = "\0";	1017	const char *xpmb = "";
818	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1018	char fstr[] = "default";
		1019	char bstr[] = "default";
		1020	char *env_colorfgbg;
819		1021
820	R->env_colorfgbg =
821	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
822	STRCPY(fstr, "default");
823	STRCPY(bstr, "default");
824	for (i = Color_Black; i <= Color_White; i++)	1022	for (i = Color_Black; i <= Color_White; i++)
825	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1023	if (pix_colors[Color_fg] == pix_colors[i])
		1024	{
826	sprintf(fstr, "%d", (i - Color_Black));	1025	sprintf (fstr, "%d", i - Color_Black);
827	break;	1026	break;
828	}	1027	}
		1028
829	for (i = Color_Black; i <= Color_White; i++)	1029	for (i = Color_Black; i <= Color_White; i++)
830	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1030	if (pix_colors[Color_bg] == pix_colors[i])
		1031	{
831	sprintf(bstr, "%d", (i - Color_Black));	1032	sprintf (bstr, "%d", i - Color_Black);
832	#ifdef XPM_BACKGROUND	1033	#if BG_IMAGE_FROM_FILE
833	xpmb = "default;";	1034	xpmb = "default;";
834	#endif	1035	#endif
835	break;	1036	break;
836	}	1037	}
		1038
		1039	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
837	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1040	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
838	putenv(R->env_colorfgbg);	1041	return env_colorfgbg;
839
840	#ifndef NO_BRIGHTCOLOR
841	R->colorfgbg = DEFAULT_RSTYLE;
842	for (i = minCOLOR; i <= maxCOLOR; i++) {
843	if (R->PixColors[Color_fg] == R->PixColors[i])
844	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
845	if (R->PixColors[Color_bg] == R->PixColors[i])
846	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
847	}
848	#endif
849	}	1042	}
850		1043
851	/*----------------------------------------------------------------------*/	1044	/*----------------------------------------------------------------------*/
852	/*
853	* Colour determination for low colour displays, routine from
854	* Hans de Goede <hans@highrise.nl>
855	*/
856		1045
857	/* EXTPROTO */	1046	bool
858	int	1047	rxvt_term::set_color (rxvt_color &color, const char *name)
859	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
860	{	1048	{
861	screen_in_out->set(aR_ colour);	1049	if (color.set (this, name))
862
863	if (!screen_in_out->set(aR_ colour)) {
864	rxvt_print_error("can't allocate colour: %s", colour);
865	return false;
866	}
867
868	return true;	1050	return true;
		1051
		1052	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		1053	return false;
		1054	}
		1055
		1056	void
		1057	rxvt_term::alias_color (int dst, int src)
		1058	{
		1059	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
869	}	1060	}
870		1061
871	/* -------------------------------------------------------------------- *	1062	/* -------------------------------------------------------------------- *
872	* - WINDOW RESIZING - *	1063	* - WINDOW RESIZING - *
873	* -------------------------------------------------------------------- */	1064	* -------------------------------------------------------------------- */
874	/* EXTPROTO */
875	void	1065	void
876	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1066	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
877	int ignoreparent)
878	{	1067	{
879	int fix_screen;	1068	int fix_screen;
		1069	int old_width = szHint.width;
		1070	int old_height = szHint.height;
880		1071
		1072	window_calc (newwidth, newheight);
		1073
		1074	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1075
		1076	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1077	if (set_hint)
		1078	{
		1079	szHint.flags &= ~(PBaseSize | PResizeInc);
		1080	XSetWMNormalHints (dpy, parent, &szHint);
		1081	szHint.flags |= PBaseSize | PResizeInc;
		1082	}
		1083
		1084	if (!ignoreparent)
		1085	{
881	#ifdef SMART_RESIZE	1086	#ifdef SMART_RESIZE
882	int old_width = R->szHint.width, old_height = R->szHint.height;	1087	/*
883	#endif
884
885	rxvt_window_calc(aR_ width, height);
886	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
887	if (!ignoreparent) {
888	#ifdef SMART_RESIZE
889	/*
890	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1088	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
891	* reposition window on resize depending on placement on screen	1089	* reposition window on resize depending on placement on screen
892	*/	1090	*/
893	int x, y, x1, y1;	1091	int x, y, x1, y1;
894	int dx, dy;	1092	int dx, dy;
895	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1093	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
896	Window unused_cr;	1094	Window unused_cr;
897		1095
898	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1096	XTranslateCoordinates (dpy, parent, display->root,
899	0, 0, &x, &y, &unused_cr);	1097	0, 0, &x, &y, &unused_cr);
900	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1098	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
901	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1099	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
902	/*	1100	/*
903	* if Xroot isn't the parent window, a WM will probably have offset	1101	* if display->root isn't the parent window, a WM will probably have offset
904	* our position for handles and decorations. Counter it	1102	* our position for handles and decorations. Counter it
905	*/	1103	*/
906	if (x1 != x || y1 != y) {	1104	if (x1 != x || y1 != y)
		1105	{
907	x -= x1;	1106	x -= x1;
908	y -= y1;	1107	y -= y1;
909	}	1108	}
910		1109
911	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1110	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
912	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1111	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
913	dx = old_width - R->szHint.width;	1112	dx = old_width - szHint.width;
914	dy = old_height - R->szHint.height;	1113	dy = old_height - szHint.height;
915		1114
916	/* Check position of the center of the window */	1115	/* Check position of the center of the window */
917	if (x < x1) /* left half */	1116	if (x < x1) /* left half */
918	dx = 0;	1117	dx = 0;
919	else if (x == x1) /* exact center */	1118	else if (x == x1) /* exact center */
920	dx /= 2;	1119	dx /= 2;
921	if (y < y1) /* top half */	1120	if (y < y1) /* top half */
922	dy = 0;	1121	dy = 0;
923	else if (y == y1) /* exact center */	1122	else if (y == y1) /* exact center */
924	dy /= 2;	1123	dy /= 2;
925		1124
926	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1125	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
927	R->szHint.width, R->szHint.height);	1126	szHint.width, szHint.height);
928	#else	1127	#else
929	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1128	XResizeWindow (dpy, parent, szHint.width, szHint.height);
930	R->szHint.height);
931	#endif	1129	#endif
932	}	1130	}
933		1131
934	fix_screen = (R->TermWin.ncol != R->prev_ncol	1132	if (set_hint)
935	|| R->TermWin.nrow != R->prev_nrow);	1133	XSetWMNormalHints (dpy, parent, &szHint);
		1134
		1135	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1136
936	if (fix_screen || width != R->old_width || height != R->old_height) {	1137	if (fix_screen || newwidth != old_width || newheight != old_height)
937	if (scrollbar_visible(R)) {
938	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
939	0, scrollbar_TotalWidth(), R->szHint.height);
940	rxvt_Resize_scrollBar(aR);
941	}
942	if (menubar_visible(R))
943	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
944	0, TermWin_TotalWidth(), menuBar_TotalHeight());
945	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
946	R->window_vt_y, TermWin_TotalWidth(),
947	TermWin_TotalHeight());
948	#ifdef RXVT_GRAPHICS
949	if (R->old_height)
950	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
951	R->old_height - R->szHint.base_height);
952	#endif
953	rxvt_scr_clear(aR);
954	#ifdef XPM_BACKGROUND
955	rxvt_resize_pixmap(aR);
956	#endif
957	}	1138	{
		1139	if (scrollBar.state)
		1140	scrollBar.resize ();
958		1141
		1142	XMoveResizeWindow (dpy, vt,
		1143	window_vt_x, window_vt_y,
		1144	vt_width, vt_height);
		1145
		1146	HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1147
		1148	#ifdef HAVE_BG_PIXMAP
		1149	if (bg_window_size_sensitive ())
		1150	update_background ();
		1151	#endif
		1152	}
		1153
959	if (fix_screen || R->old_height == 0) {	1154	if (fix_screen || old_height == 0)
960	int curr_screen = -1;
961	uint16_t old_ncol = R->prev_ncol;
962
963	/* scr_reset only works on the primary screen */
964	if (R->old_height) /* this is not the first time through */
965	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
966
967	R->scr_reset();	1155	scr_reset ();
968		1156
969	if (curr_screen >= 0) { /* this is not the first time through */
970	rxvt_scr_change_screen(aR_ curr_screen);
971	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
972	}
973	}
974
975	R->old_width = R->szHint.width;
976	R->old_height = R->szHint.height;
977
978	#ifdef USE_XIM	1157	#if USE_XIM
979	rxvt_IMSetStatusPosition(aR);	1158	im_set_position ();
980	#endif	1159	#endif
981	}	1160	}
982		1161
983	/*	1162	/*
984	* Set the width/height of the vt window in characters. Units are pixels.	1163	* Set the width/height of the vt window in characters. Units are pixels.
985	* good for toggling 80/132 columns	1164	* good for toggling 80/132 columns
986	*/	1165	*/
987	/* EXTPROTO */
988	void	1166	void
989	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1167	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
990	{	1168	{
991	XWindowAttributes wattr;	1169	XWindowAttributes wattr;
992		1170
993	if (width == 0 || height == 0) {	1171	if (newwidth == 0 || newheight == 0)
		1172	{
994	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1173	XGetWindowAttributes (dpy, display->root, &wattr);
		1174
995	if (width == 0)	1175	if (newwidth == 0)
996	width = wattr.width - R->szHint.base_width;	1176	newwidth = wattr.width - szHint.base_width;
997	if (height == 0)	1177	if (newheight == 0)
998	height = wattr.height - R->szHint.base_height;	1178	newheight = wattr.height - szHint.base_height;
		1179	}
		1180
		1181	if (newwidth != vt_width || newheight != vt_height)
999	}	1182	{
1000	if (width != R->TermWin.width || height != R->TermWin.height) {
1001	width += R->szHint.base_width;	1183	newwidth += szHint.base_width;
1002	height += R->szHint.base_height;	1184	newheight += szHint.base_height;
1003	rxvt_resize_all_windows(aR_ width, height, 0);	1185	resize_all_windows (newwidth, newheight, 0);
1004	}	1186	}
1005	}	1187	}
1006		1188
1007	/* -------------------------------------------------------------------- *	1189	/* -------------------------------------------------------------------- *
1008	* - X INPUT METHOD ROUTINES - *	1190	* - X INPUT METHOD ROUTINES - *
1009	* -------------------------------------------------------------------- */	1191	* -------------------------------------------------------------------- */
1010	#ifdef USE_XIM	1192	#if USE_XIM
1011	/* INTPROTO */
1012	void
1013	rxvt_setSize(pR_ XRectangle * size)
1014	{
1015	size->x = R->TermWin.int_bwidth;
1016	size->y = R->TermWin.int_bwidth;
1017	size->width = Width2Pixel(R->TermWin.ncol);
1018	size->height = Height2Pixel(R->TermWin.nrow);
1019	}
1020		1193
1021	/* INTPROTO */
1022	void	1194	void
1023	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1195	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1024	{	1196	{
1025	*fg = R->PixColors[Color_fg];	1197	fg = pix_colors [Color_fg];
1026	*bg = R->PixColors[Color_bg];	1198	bg = pix_colors [Color_bg];
		1199	}
		1200
		1201	void
		1202	rxvt_term::im_set_size (XRectangle &size)
		1203	{
		1204	// the int_bwidth terms make no sense to me
		1205	size.x = int_bwidth;
		1206	size.y = int_bwidth;
		1207	size.width = Width2Pixel (ncol) + int_bwidth;
		1208	size.height = Height2Pixel (nrow) + int_bwidth;
		1209	}
		1210
		1211	void
		1212	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1213	XRectangle &status_rect,
		1214	const XRectangle &needed_rect)
		1215	{
		1216	preedit_rect.x = needed_rect.width;
		1217	preedit_rect.y = 0;
		1218	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1219	preedit_rect.height = fheight;
		1220
		1221	status_rect.x = 0;
		1222	status_rect.y = 0;
		1223	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1224	status_rect.height = fheight;
1027	}	1225	}
1028		1226
1029	/* Checking whether input method is running. */	1227	/* Checking whether input method is running. */
1030	/* INTPROTO */
1031	Bool	1228	bool
1032	rxvt_IMisRunning(pR)	1229	rxvt_term::im_is_running ()
1033	{	1230	{
1034	char *p;	1231	Atom atom;
1035	Atom atom;	1232	Window win;
1036	Window win;
1037	char server[IMBUFSIZ];	1233	char server[IMBUFSIZ];
1038		1234
1039	/* get current locale modifier */	1235	/* get current locale modifier */
1040	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1236	if (char *p = XSetLocaleModifiers (0))
		1237	{
1041	STRCPY(server, "@server=");	1238	strcpy (server, "@server=");
1042	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1239	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1240
1043	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1241	if (p = strchr (server + 1, '@')) /* first one only */
1044	*p = '\0';	1242	*p = '\0';
1045		1243
1046	atom = XInternAtom(R->Xdisplay, server, False);	1244	atom = XInternAtom (dpy, server, False);
1047	win = XGetSelectionOwner(R->Xdisplay, atom);	1245	win = XGetSelectionOwner (dpy, atom);
		1246
1048	if (win != None)	1247	if (win != None)
1049	return True;	1248	return true;
1050	}	1249	}
		1250
1051	return False;	1251	return false;
1052	}	1252	}
1053		1253
1054	/* EXTPROTO */
1055	void	1254	void
1056	rxvt_IMSendSpot(pR)	1255	rxvt_term::im_send_spot ()
1057	{	1256	{
1058	XPoint spot;	1257	XPoint nspot;
1059	XVaNestedList preedit_attr;	1258	XVaNestedList preedit_attr;
1060		1259
1061	if (R->Input_Context == NULL	1260	if (!Input_Context
1062	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1261	|| !focus
1063	|| !(R->event_type == KeyPress	1262	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1064	|| R->event_type == Expose
1065	|| R->event_type == NoExpose
1066	|| R->event_type == SelectionNotify
1067	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1068	|| !rxvt_IMisRunning(aR))
1069	return;	1263	return;
1070		1264
1071	rxvt_setPosition(aR_ & spot);	1265	im_set_position (nspot);
1072		1266
		1267	if (nspot.x == spot.x && nspot.y == spot.y)
		1268	return;
		1269
		1270	spot = nspot;
		1271
1073	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1272	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1074	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1273	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1075	XFree(preedit_attr);	1274	XFree (preedit_attr);
1076	}	1275	}
1077		1276
1078	/* EXTPROTO */
1079	void	1277	void
1080	rxvt_setTermFontSet(pR_ int idx)	1278	rxvt_term::im_destroy ()
1081	{	1279	{
1082	char *string;	1280	if (input_method)
1083	long length;	1281	{
1084	int success = 0;	1282	if (Input_Context && input_method->xim)
		1283	XDestroyIC (Input_Context);
1085		1284
1086	if (idx < 0 || idx >= MAX_NFONTS)	1285	display->put_xim (input_method);
1087	return;	1286	input_method = 0;
1088	}	1287	}
1089		1288
1090	/* INTPROTO */
1091	void
1092	rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1093	XRectangle * needed_rect)
1094	{
1095	int mbh, vtx = 0;
1096
1097	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1098	vtx = scrollbar_TotalWidth();
1099	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1100	mbh -= R->TermWin.lineSpace;
1101
1102	preedit_rect->x = needed_rect->width + vtx;
1103	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1104
1105	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1106	+ vtx;
1107	preedit_rect->height = Height2Pixel(1);
1108
1109	status_rect->x = vtx;
1110	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1111
1112	status_rect->width = needed_rect->width ? needed_rect->width
1113	: Width2Pixel(R->TermWin.ncol + 1);
1114	status_rect->height = Height2Pixel(1);
1115	}
1116
1117	/* ARGSUSED */
1118	/* INTPROTO */
1119	void
1120	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1121	__attribute__ ((unused)), XPointer call_data
1122	__attribute__ ((unused)))
1123	{
1124	dR;
1125
1126	R->Input_Context = NULL;	1289	Input_Context = 0;
1127	/* To avoid Segmentation Fault in C locale: Solaris only? */
1128	if (STRCMP(R->locale, "C"))
1129	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1130	rxvt_IMInstantiateCallback, NULL);
1131	}	1290	}
		1291
		1292	#ifdef ENABLE_XIM_ONTHESPOT
		1293
		1294	static void
		1295	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1296	{
		1297	((rxvt_term *)client_data)->make_current ();
		1298	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1299	}
		1300
		1301	static void
		1302	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1303	{
		1304	((rxvt_term *)client_data)->make_current ();
		1305	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1306	}
		1307
		1308	static void
		1309	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1310	{
		1311	rxvt_term *term = (rxvt_term *)client_data;
		1312	XIMText *text = call_data->text;
		1313
		1314	term->make_current ();
		1315
		1316	if (text)
		1317	{
		1318	wchar_t *str;
		1319
		1320	if (!text->encoding_is_wchar && text->string.multi_byte)
		1321	{
		1322	// of course, X makes it ugly again
		1323	if (term->rs[Rs_imLocale])
		1324	SET_LOCALE (term->rs[Rs_imLocale]);
		1325
		1326	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1327	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1328
		1329	if (term->rs[Rs_imLocale])
		1330	SET_LOCALE (term->locale);
		1331	}
		1332	else
		1333	str = text->string.wide_char;
		1334
		1335	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1336	DT_INT, call_data->caret,
		1337	DT_INT, call_data->chg_first,
		1338	DT_INT, call_data->chg_length,
		1339	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1340	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1341	DT_END));
		1342	}
		1343	else
		1344	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1345	DT_INT, call_data->caret,
		1346	DT_INT, call_data->chg_first,
		1347	DT_INT, call_data->chg_length,
		1348	DT_END));
		1349	}
		1350
		1351	#if 0
		1352	static void
		1353	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1354	{
		1355	((rxvt_term *)client_data)->make_current ();
		1356	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1357	DT_INT, call_data->position,
		1358	DT_INT, call_data->direction,
		1359	DT_INT, call_data->style,
		1360	DT_END));
		1361	}
		1362	#endif
		1363
		1364	#endif
1132		1365
1133	/*	1366	/*
1134	* X manual pages and include files don't match on some systems:	1367	* Try to open a XIM with the current modifiers, then see if we can
1135	* some think this is an XIDProc and others an XIMProc so we can't	1368	* open a suitable preedit type
1136	* use the first argument - need to update this to be nice for
1137	* both types via some sort of configure detection
1138	*/	1369	*/
1139	/* ARGSUSED */	1370	bool
1140	/* EXTPROTO */	1371	rxvt_term::im_get_ic (const char *modifiers)
1141	void
1142	rxvt_IMInstantiateCallback(Display * unused
1143	__attribute__ ((unused)), XPointer client_data
1144	__attribute__ ((unused)), XPointer call_data
1145	__attribute__ ((unused)))
1146	{	1372	{
1147	dR;	1373	int i, j, found;
1148	int i, found, had_im;	1374	XIM xim;
		1375	XPoint spot;
		1376	XRectangle rect, status_rect, needed_rect;
		1377	unsigned long fg, bg;
		1378	const char *p;
		1379	char **s;
		1380	XIMStyles *xim_styles;
		1381
		1382	set_environ (env);
		1383
		1384	if (!((p = XSetLocaleModifiers (modifiers)) && *p))
		1385	return false;
		1386
		1387	input_method = display->get_xim (locale, modifiers);
		1388	if (input_method == NULL)
		1389	return false;
		1390
		1391	xim = input_method->xim;
		1392	spot.x = spot.y = -1;
		1393
		1394	xim_styles = NULL;
		1395	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
		1396	|| !xim_styles || !xim_styles->count_styles)
		1397	{
		1398	im_destroy ();
		1399	return false;
		1400	}
		1401
		1402	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1403
		1404	for (int pi = 0; pi < 2; pi++)
		1405	{
		1406	p = pet[pi];
		1407
		1408	if (!p)
		1409	continue;
		1410
		1411	s = rxvt_strsplit (',', p);
		1412
		1413	for (i = found = 0; !found && s[i]; i++)
		1414	{
		1415	if (!strcmp (s[i], "OverTheSpot"))
		1416	input_style = XIMPreeditPosition | XIMStatusNothing;
		1417	else if (!strcmp (s[i], "OffTheSpot"))
		1418	input_style = XIMPreeditArea | XIMStatusArea;
		1419	else if (!strcmp (s[i], "Root"))
		1420	input_style = XIMPreeditNothing | XIMStatusNothing;
		1421	else if (!strcmp (s[i], "None"))
		1422	input_style = XIMPreeditNone | XIMStatusNone;
		1423	#ifdef ENABLE_XIM_ONTHESPOT
		1424	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1425	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1426	#endif
		1427	else
		1428	input_style = XIMPreeditNothing | XIMStatusNothing;
		1429
		1430	for (j = 0; j < xim_styles->count_styles; j++)
		1431	if (input_style == xim_styles->supported_styles[j])
		1432	{
		1433	rxvt_free_strsplit (s);
		1434
		1435	found = 1;
		1436	goto foundpet;
		1437	}
		1438
		1439	}
		1440
		1441	rxvt_free_strsplit (s);
		1442	}
		1443
		1444	foundpet:
		1445
		1446	XFree (xim_styles);
		1447
		1448	if (!found)
		1449	{
		1450	im_destroy ();
		1451	return false;
		1452	}
		1453
		1454	XFontSet fs = 0;
		1455	XVaNestedList preedit_attr = 0, status_attr = 0;
		1456
		1457	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1458	{
		1459	// fake us a font-set, please
		1460	char **missing_charset_list;
		1461	int missing_charset_count;
		1462	char *def_string;
		1463	char pat[512];
		1464
		1465	sprintf (pat,
		1466	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1467	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1468	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1469	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1470	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1471	"*",
		1472	fheight,
		1473	fheight + 1, fheight - 1,
		1474	fheight - 2, fheight + 2);
		1475
		1476	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1477	&missing_charset_list, &missing_charset_count, &def_string);
		1478
		1479	if (missing_charset_list)
		1480	XFreeStringList (missing_charset_list);
		1481
		1482	if (!fs)
		1483	{
		1484	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1485	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1486	}
		1487	}
		1488
		1489	if (input_style & XIMPreeditPosition)
		1490	{
		1491	im_set_size (rect);
		1492	im_set_position (spot);
		1493	im_set_color (fg, bg);
		1494
		1495	preedit_attr = XVaCreateNestedList (0,
		1496	XNForeground, fg,
		1497	XNBackground, bg,
		1498	XNArea, &rect,
		1499	XNSpotLocation, &spot,
		1500	XNFontSet, fs,
		1501	NULL);
		1502	}
		1503	else if (input_style & XIMPreeditArea)
		1504	{
		1505	im_set_color (fg, bg);
		1506
		1507	/*
		1508	* The necessary width of preedit area is unknown
		1509	* until create input context.
		1510	*/
		1511	needed_rect.width = 0;
		1512	im_set_preedit_area (rect, status_rect, needed_rect);
		1513
		1514	preedit_attr = XVaCreateNestedList (0,
		1515	XNForeground, fg,
		1516	XNBackground, bg,
		1517	XNArea, &rect,
		1518	XNFontSet, fs,
		1519	NULL);
		1520	status_attr = XVaCreateNestedList (0,
		1521	XNForeground, fg,
		1522	XNBackground, bg,
		1523	XNArea, &status_rect,
		1524	XNFontSet, fs,
		1525	NULL);
		1526	}
		1527	#if ENABLE_XIM_ONTHESPOT
		1528	else if (input_style & XIMPreeditCallbacks)
		1529	{
		1530	XIMCallback xcb[4];
		1531
		1532	im_set_position (spot);
		1533
		1534	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1535	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1536	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1537	# if 0
		1538	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1539	# endif
		1540
		1541	preedit_attr = XVaCreateNestedList (0,
		1542	XNSpotLocation, &spot,
		1543	XNPreeditStartCallback, &xcb[0],
		1544	XNPreeditDoneCallback , &xcb[1],
		1545	XNPreeditDrawCallback , &xcb[2],
		1546	# if 0
		1547	XNPreeditCaretCallback, &xcb[3],
		1548	# endif
		1549	NULL);
		1550	}
		1551	#endif
		1552
		1553	Input_Context = XCreateIC (xim,
		1554	XNInputStyle, input_style,
		1555	XNClientWindow, vt,
		1556	XNFocusWindow, parent,
		1557	preedit_attr ? XNPreeditAttributes : NULL,
		1558	preedit_attr,
		1559	status_attr ? XNStatusAttributes : NULL,
		1560	status_attr, NULL);
		1561
		1562	if (preedit_attr) XFree (preedit_attr);
		1563	if (status_attr) XFree (status_attr);
		1564	if (fs) XFreeFontSet (dpy, fs);
		1565
		1566	if (Input_Context == NULL)
		1567	{
		1568	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1569	im_destroy ();
		1570	return false;
		1571	}
		1572
		1573	#if 0
		1574	// unfortunately, only the focus window is used by XIM, hard to fix
		1575	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1576	vt_select_input ();
		1577	#endif
		1578
		1579	im_set_position ();
		1580
		1581	return true;
		1582	}
		1583
		1584	void
		1585	rxvt_term::im_cb ()
		1586	{
		1587	int i;
1149	const char *p;	1588	const char *p;
1150	char **s;	1589	char **s;
1151	char buf[IMBUFSIZ];	1590	char buf[IMBUFSIZ];
1152		1591
1153	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1592	make_current ();
		1593
		1594	im_destroy ();
		1595
1154	if (R->Input_Context)	1596	if (Input_Context)
1155	return;	1597	return;
1156		1598
1157	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1158	if (R->rs[Rs_imLocale])	1599	if (rs[Rs_imLocale])
1159	setlocale (LC_CTYPE, R->rs[Rs_imLocale]);	1600	SET_LOCALE (rs[Rs_imLocale]);
1160	#endif
1161		1601
1162	p = R->rs[Rs_inputMethod];	1602	p = rs[Rs_inputMethod];
1163	if (p && *p)	1603	if (p && *p)
1164	{	1604	{
1165	bool found = false;	1605	bool found = false;
1166		1606
1167	s = rxvt_splitcommastring (p);	1607	s = rxvt_strsplit (',', p);
		1608
1168	for (i = 0; s[i]; i++)	1609	for (i = 0; s[i]; i++)
1169	{	1610	{
1170	if (*s[i])	1611	if (*s[i])
1171	{	1612	{
1172	STRCPY (buf, "@im=");	1613	strcpy (buf, "@im=");
1173	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1614	strncat (buf, s[i], IMBUFSIZ - 5);
1174	if ((p = XSetLocaleModifiers (buf)) && *p	1615	if (im_get_ic (buf))
1175	&& rxvt_IM_get_IC (aR))
1176	{	1616	{
1177	found = true;	1617	found = true;
1178	break;	1618	break;
1179	}	1619	}
1180	}	1620	}
1181	}	1621	}
1182	for (i = 0; s[i]; i++)	1622
1183	free(s[i]);	1623	rxvt_free_strsplit (s);
1184	free(s);
1185		1624
1186	if (found)	1625	if (found)
1187	goto done;	1626	goto done;
1188	}	1627	}
1189		1628
1190	/* try with XMODIFIERS env. var. */	1629	/* try with XMODIFIERS env. var. */
1191	if ((p = XSetLocaleModifiers ("")) && *p	1630	if (im_get_ic (""))
1192	&& rxvt_IM_get_IC (aR))
1193	goto done;	1631	goto done;
1194		1632
1195	/* try with no modifiers base IF the user didn't specify an IM */	1633	/* try with no modifiers base IF the user didn't specify an IM */
1196	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1634	if (im_get_ic ("@im=none"))
1197	&& rxvt_IM_get_IC (aR) == True)
1198	goto done;	1635	goto done;
1199		1636
1200	done:	1637	done:
1201	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1202	if (R->rs[Rs_imLocale])	1638	if (rs[Rs_imLocale])
1203	setlocale (LC_CTYPE, R->locale);	1639	SET_LOCALE (locale);
1204	#endif
1205	}	1640	}
1206		1641
1207	/*	1642	void
1208	* Try to open a XIM with the current modifiers, then see if we can	1643	rxvt_term::im_set_position ()
1209	* open a suitable preedit type
1210	*/
1211	/* INTPROTO */
1212	Bool
1213	rxvt_IM_get_IC(pR)
1214	{	1644	{
1215	int i, j, found;
1216	XIM xim;
1217	XPoint spot;
1218	XRectangle rect, status_rect, needed_rect;	1645	XRectangle preedit_rect, status_rect, *needed_rect;
1219	unsigned long fg, bg;
1220	const char *p;
1221	char **s;
1222	XIMStyles *xim_styles;
1223	XVaNestedList preedit_attr, status_attr;	1646	XVaNestedList preedit_attr, status_attr;
1224	XIMCallback ximcallback;
1225		1647
1226	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1648	if (!Input_Context
1227	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1649	|| !focus
1228	if (xim == NULL)	1650	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1229	return False;	1651	|| !im_is_running ())
		1652	return;
1230		1653
1231	xim_styles = NULL;
1232	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)
1233	|| !xim_styles || !xim_styles->count_styles) {
1234	XCloseIM(xim);
1235	return False;
1236	}
1237
1238	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]
1239	: "OverTheSpot,OffTheSpot,Root";
1240	s = rxvt_splitcommastring(p);
1241	for (i = found = 0; !found && s[i]; i++) {
1242	if (!STRCMP(s[i], "OverTheSpot"))
1243	R->input_style = (XIMPreeditPosition | XIMStatusNothing);
1244	else if (!STRCMP(s[i], "OffTheSpot"))
1245	R->input_style = (XIMPreeditArea | XIMStatusArea);
1246	else if (!STRCMP(s[i], "Root"))
1247	R->input_style = (XIMPreeditNothing | XIMStatusNothing);
1248
1249	for (j = 0; j < xim_styles->count_styles; j++)
1250	if (R->input_style == xim_styles->supported_styles[j]) {
1251	found = 1;
1252	break;
1253	}
1254	}
1255	for (i = 0; s[i]; i++)
1256	free(s[i]);
1257	free(s);
1258	XFree(xim_styles);
1259
1260	if (!found) {
1261	XCloseIM(xim);
1262	return False;
1263	}
1264
1265	ximcallback.callback = rxvt_IMDestroyCallback;
1266
1267	/* XXX: not sure why we need this (as well as IC one below) */
1268	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1269
1270	preedit_attr = status_attr = NULL;
1271
1272	if (R->input_style & XIMPreeditPosition) {	1654	if (input_style & XIMPreeditPosition)
1273	rxvt_setSize(aR_ & rect);	1655	{
1274	rxvt_setPosition(aR_ & spot);	1656	im_set_size (preedit_rect);
1275	rxvt_setColor(aR_ & fg, &bg);
1276
1277	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1657	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1278	XNSpotLocation, &spot,
1279	XNForeground, fg, XNBackground, bg,
1280	//XNFontSet, R->TermWin.fontset,
1281	NULL);
1282	} else if (R->input_style & XIMPreeditArea) {
1283	rxvt_setColor(aR_ & fg, &bg);
1284		1658
1285	/*	1659	XSetICValues (Input_Context,
1286	* The necessary width of preedit area is unknown	1660	XNPreeditAttributes, preedit_attr, NULL);
1287	* until create input context.	1661	}
1288	*/	1662	else
1289	needed_rect.width = 0;
1290
1291	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1292
1293	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1294	XNForeground, fg, XNBackground, bg,
1295	//XNFontSet, R->TermWin.fontset,
1296	NULL);
1297	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1298	XNForeground, fg, XNBackground, bg,
1299	//XNFontSet, R->TermWin.fontset,
1300	NULL);
1301	}	1663	{
1302	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1303	XNClientWindow, R->TermWin.parent[0],
1304	XNFocusWindow, R->TermWin.parent[0],
1305	XNDestroyCallback, &ximcallback,
1306	preedit_attr ? XNPreeditAttributes : NULL,
1307	preedit_attr,
1308	status_attr ? XNStatusAttributes : NULL,
1309	status_attr, NULL);
1310	if (preedit_attr)
1311	XFree(preedit_attr);
1312	if (status_attr)
1313	XFree(status_attr);
1314	if (R->Input_Context == NULL) {
1315	rxvt_print_error("failed to create input context");
1316	XCloseIM(xim);
1317	return False;
1318	}
1319	if (R->input_style & XIMPreeditArea)
1320	rxvt_IMSetStatusPosition(aR);
1321	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1322	return True;
1323	}
1324
1325	/* EXTPROTO */
1326	void
1327	rxvt_IMSetStatusPosition(pR)
1328	{
1329	XRectangle preedit_rect, status_rect, *needed_rect;
1330	XVaNestedList preedit_attr, status_attr;
1331
1332	if (R->Input_Context == NULL
1333	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)
1334	|| !rxvt_IMisRunning(aR))
1335	return;
1336
1337	/* Getting the necessary width of preedit area */	1664	/* Getting the necessary width of preedit area */
1338	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1665	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1339	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1666	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1340	XFree(status_attr);	1667	XFree (status_attr);
1341		1668
1342	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1669	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1670	XFree (needed_rect);
1343		1671
1344	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1672	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1345	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1673	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1346		1674
1347	XSetICValues(R->Input_Context,	1675	XSetICValues (Input_Context,
1348	XNPreeditAttributes, preedit_attr,	1676	XNPreeditAttributes, preedit_attr,
1349	XNStatusAttributes, status_attr, NULL);	1677	XNStatusAttributes, status_attr,
		1678	NULL);
1350		1679
		1680	XFree (status_attr);
		1681	}
		1682
1351	XFree(preedit_attr);	1683	XFree (preedit_attr);
1352	XFree(status_attr);
1353	}	1684	}
1354	#endif /* USE_XIM */	1685	#endif /* USE_XIM */
1355		1686
1356	/*----------------------------------------------------------------------*/	1687	void
1357	rxvt_t rxvt_current_term;	1688	rxvt_term::get_window_origin (int &x, int &y)
		1689	{
		1690	Window cr;
		1691	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1692	}
		1693
		1694	#ifdef HAVE_BG_PIXMAP
		1695
		1696	void
		1697	rxvt_term::update_background ()
		1698	{
		1699	if (update_background_ev.is_active ())
		1700	return;
		1701
		1702	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1703
		1704	if (to_wait <= 0.)
		1705	bg_render ();
		1706	else
		1707	update_background_ev.start (to_wait);
		1708	}
		1709
		1710	void
		1711	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1712	{
		1713	make_current ();
		1714
		1715	update_background_ev.stop ();
		1716	bg_render ();
		1717	refresh_check ();
		1718	}
		1719
		1720	#endif /* HAVE_BG_PIXMAP */
1358		1721
1359	/*----------------------- end-of-file (C source) -----------------------*/	1722	/*----------------------- end-of-file (C source) -----------------------*/

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