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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.34 by pcg, Fri Feb 20 22:27:27 2004 UTC vs.
Revision 1.397 by root, Sat Dec 13 12:24:32 2014 UTC

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

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