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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 1.327 by root, Sun May 23 00:25:48 2010 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) 2003-2008 Marc Lehmann <pcg@goof.com>
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 2 of the License, or
20	* (at your option) any later version.	21	* (at your option) any later version.
…		…
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 "keyboard.h"
		36	#include "rxvtperl.h"
35		37
		38	#include <limits>
		39
		40	#include <cassert>
36	#include <signal.h>	41	#include <csignal>
37
38	#ifdef TTY_GID_SUPPORT
39	# include <grp.h>
40	#endif
41
42	#ifdef HAVE_TERMIOS_H
43	# include <termios.h>
44	#endif
45
46	#include <cstring>	42	#include <cstring>
47		43
		44	#include <termios.h>
		45
		46	#ifdef HAVE_XSETLOCALE
		47	# define X_LOCALE
		48	# include <X11/Xlocale.h>
		49	#else
		50	# ifdef HAVE_SETLOCALE
		51	# include <clocale>
		52	# endif
		53	#endif
		54
		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.end (); cc-- > v.begin (); )
		109	{
		110	if (cc->c1 == c1 && cc->c2 == c2)
		111	return COMPOSE_LO + (cc - v.begin ());
		112	}
		113
		114	// allocate a new combination
		115	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		116	{
		117	static int seen;
		118
		119	if (!seen++)
		120	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		121
		122	return REPLACEMENT_CHAR;
		123	}
		124
		125	v.push_back (compose_char (c1, c2));
		126
		127	return v.size () - 1 + COMPOSE_LO;
		128	}
		129
		130	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		131	{
		132	compose_char *cc = (*this)[c];
		133
		134	if (!cc)
		135	{
		136	if (r) *r = c;
		137	return 1;
		138	}
		139
		140	int len = expand (cc->c1, r);
		141
		142	if (r) r += len;
		143
		144	if (cc->c2 != NOCHAR)
		145	{
		146	len++;
		147	if (r) *r++ = cc->c2;
		148	}
		149
66	return p;	150	return len;
67	}
68		151
69	void
70	rxvt_term::operator delete (void *p, size_t s)
71	{
72	free (p);
73	}	152	}
		153	#endif
74		154
75	rxvt_term::rxvt_term ()	155	rxvt_term::rxvt_term ()
76	:	156	{
77	rootwin_ev (this, &rxvt_term::rootwin_cb),	157	#if HAVE_BG_PIXMAP
78	termwin_ev (this, &rxvt_term::x_cb),	158	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	159	#endif
86	#ifdef CURSOR_BLINK	160	#ifdef CURSOR_BLINK
87	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	161	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
88	#endif	162	#endif
89	#ifdef TEXT_BLINK	163	#ifdef TEXT_BLINK
90	text_blink_ev (this, &rxvt_term::text_blink_cb),	164	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		165	#endif
		166	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		167	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		168	#endif
		169	#ifdef SELECTION_SCROLLING
		170	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		171	#endif
		172	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		173	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		174	#endif
		175	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		176	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		177	#endif
		178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		179	#ifdef USE_XIM
		180	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
91	#endif	181	#endif
92	#ifdef POINTER_BLANK	182	#ifdef POINTER_BLANK
93	pointer_ev (this, &rxvt_term::pointer_cb),	183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
94	#endif	184	#endif
95	check_ev (this, &rxvt_term::check_cb),	185	#ifndef NO_BELL
96	destroy_ev (this, &rxvt_term::destroy_cb),	186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
97	pty_ev (this, &rxvt_term::pty_cb),	187	#endif
98	incr_ev (this, &rxvt_term::incr_cb),	188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		190	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		191	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		192	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		193	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		195
		196	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		197
		198	termlist.push_back (this);
		199
		200	#ifdef KEYSYM_RESOURCE
		201	keyboard = new keyboard_manager;
		202	#endif
		203	}
		204
		205	// clean up the most important stuff, do *not* call x or free mem etc.
		206	// for use before an emergency exit
		207	void
		208	rxvt_term::emergency_cleanup ()
		209	{
		210	if (cmd_pid)
		211	kill (-cmd_pid, SIGHUP);
		212
		213	pty_ev.stop ();
		214	delete pty; pty = 0;
		215	}
		216
		217	rxvt_term::~rxvt_term ()
		218	{
		219	termlist.erase (find (termlist.begin (), termlist.end(), this));
		220
		221	emergency_cleanup ();
		222
		223	#if ENABLE_STYLES
		224	for (int i = RS_styleCount; --i; )
		225	if (fontset[i] != fontset[0])
		226	delete fontset[i];
		227	#endif
		228	delete fontset[0];
		229
		230	#ifdef HAVE_BG_PIXMAP
		231	bgPixmap.destroy ();
		232	#endif
		233	#ifdef HAVE_AFTERIMAGE
		234	if (asv)
		235	destroy_asvisual (asv, 0);
		236	if (asimman)
		237	destroy_image_manager (asimman, 0);
		238	#endif
		239
		240	if (display)
		241	{
		242	selection_clear ();
		243	selection_clear (true);
		244
99	#ifdef USE_XIM	245	#ifdef USE_XIM
100	im_ev (this, &rxvt_term::im_cb)	246	im_destroy ();
101	#endif	247	#endif
102	{	248	scrollBar.destroy ();
103	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	249	if (gc) XFreeGC (dpy, gc);
104	}
105		250
106	rxvt_term::~rxvt_term ()	251	delete drawable;
107	{	252	// destroy all windows
108	if (cmd_fd >= 0)
109	close (cmd_fd);
110
111	#ifndef NO_SETOWNER_TTYDEV
112	privileged_ttydev (RESTORE);
113	#endif
114	#ifdef UTMP_SUPPORT
115	privileged_utmp (RESTORE);
116	#endif
117
118	delete TermWin.fontset;
119
120	if (display)
121	if (TermWin.parent[0])	253	if (parent[0])
122	XDestroyWindow (display->display, TermWin.parent[0]);	254	XDestroyWindow (dpy, parent[0]);
123		255
124	// TODO: free pixcolours, colours should become part of rxvt_display	256	for (int i = 0; i < TOTAL_COLORS; i++)
		257	if (ISSET_PIXCOLOR (i))
		258	{
		259	pix_colors_focused [i].free (this);
		260	#if OFF_FOCUS_FADING
		261	pix_colors_unfocused [i].free (this);
		262	#endif
		263	}
125		264
126	delete PixColors;	265	clear ();
127		266
		267	display->flush (); /* ideally .put should do this */
128	displays.put (display);	268	displays.put (display);
		269	}
129		270
130	scr_release ();	271	scr_release ();
131		272
132	free (env_windowid);	273	/* clear all resources */
		274	for (int i = 0; i < allocated.size (); i++)
		275	free (allocated [i]);
		276
		277	free (selection.text);
		278	free (selection.clip_text);
		279	// TODO: manage env vars in child only(!)
133	free (env_display);	280	free (env_display);
134	free (env_term);	281	free (env_term);
135	free (env_colorfgbg);
136	free (locale);	282	free (locale);
137	free (codeset);	283	free (v_buffer);
		284	free (incr_buf);
138		285
139	delete envv;	286	delete envv;
140	delete argv;	287	delete argv;
		288
		289	#ifdef KEYSYM_RESOURCE
		290	delete keyboard;
		291	#endif
		292	#ifndef NO_RESOURCES
		293	XrmDestroyDatabase (option_db);
		294	#endif
		295	}
		296
		297	// child has exited, usually destroys
		298	void
		299	rxvt_term::child_cb (ev::child &w, int status)
		300	{
		301	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		302
		303	cmd_pid = 0;
		304
		305	if (!option (Opt_hold))
		306	destroy ();
141	}	307	}
142		308
143	void	309	void
144	rxvt_term::destroy ()	310	rxvt_term::destroy ()
145	{	311	{
		312	if (destroy_ev.is_active ())
		313	return;
		314
		315	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		316
		317	#if ENABLE_OVERLAY
		318	scr_overlay_off ();
		319	#endif
		320
146	if (display)	321	if (display)
147	{	322	{
		323	#if USE_XIM
		324	im_ev.stop (display);
		325	#endif
		326	scrollbar_ev.stop (display);
		327	#if ENABLE_TRANSPARENCY || ENABLE_PERL
148	rootwin_ev.stop (display);	328	rootwin_ev.stop (display);
		329	#endif
		330	incr_ev.stop ();
149	termwin_ev.stop (display);	331	termwin_ev.stop (display);
150	vt_ev.stop (display);	332	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	}	333	}
162		334
163	check_ev.stop ();	335	flush_ev.stop ();
164	pty_ev.stop ();	336	pty_ev.stop ();
165	#ifdef CURSOR_BLINK	337	#ifdef CURSOR_BLINK
166	cursor_blink_ev.stop ();	338	cursor_blink_ev.stop ();
167	#endif	339	#endif
168	#ifdef TEXT_BLINK	340	#ifdef TEXT_BLINK
169	text_blink_ev.stop ();	341	text_blink_ev.stop ();
170	#endif	342	#endif
		343	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		344	cont_scroll_ev.stop ();
		345	#endif
		346	#ifdef SELECTION_SCROLLING
		347	sel_scroll_ev.stop ();
		348	#endif
171	#ifdef POINTER_BLANK	349	#ifdef POINTER_BLANK
172	pointer_ev.stop ();	350	pointer_ev.stop ();
173	#endif	351	#endif
174		352
175	destroy_ev.start (0);	353	destroy_ev.start ();
176	}	354	}
177		355
178	void	356	void
179	rxvt_term::destroy_cb (time_watcher &w)	357	rxvt_term::destroy_cb (ev::idle &w, int revents)
180	{	358	{
181	SET_R (this);	359	make_current ();
182		360
183	delete this;	361	delete this;
184	}
185
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
206	rxvt_init_signals ()
207	{
208	/* install exit handler for cleanup */
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;
354	}	362	}
355		363
356	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
357	/*	365	/*
358	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
359	* TODO: if debugging, this should free up any known resources if we can	367	* TODO: if debugging, this should free up any known resources if we can
360	*/	368	*/
361	/* EXTPROTO */	369	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		370
370	/* ------------------------------------------------------------------------- *	371	static void
371	* MEMORY ALLOCATION WRAPPERS *	372	rxvt_emergency_cleanup ()
372	* ------------------------------------------------------------------------- */
373	/* EXTPROTO */
374	void *
375	rxvt_malloc (size_t size)
376	{	373	{
377	void *p;	374	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
378		375	(*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	}	376	}
388		377
389	/* EXTPROTO */	378	#if !ENABLE_MINIMAL
390	void *	379	static void
391	rxvt_calloc (size_t number, size_t size)	380	print_x_error (Display *dpy, XErrorEvent *event)
392	{	381	{
393	void *p;	382	char buffer[BUFSIZ];
394		383	char mesg[BUFSIZ];
395	p = calloc (number, size);	384	char number[32];
396	if (p)	385	char *mtype = "XlibMessage";
397	return p;	386	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
398		387	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
399	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	388	rxvt_warn ("An X Error occured, trying to continue after report.\n");
400	rxvt_clean_exit ();	389	rxvt_warn ("%s: %s\n", mesg, buffer);
401	exit (EXIT_FAILURE);	390	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
402	/* NOTREACHED */	391	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		392	sprintf(number, "%d", event->request_code);
		393	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		394	rxvt_warn ("(which is %s)\n", buffer);
		395	if (event->request_code >= 128) {
		396	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		397	mesg, BUFSIZ);
		398	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		399	}
		400	if ((event->error_code == BadWindow) ||
		401	(event->error_code == BadPixmap) ||
		402	(event->error_code == BadCursor) ||
		403	(event->error_code == BadFont) ||
		404	(event->error_code == BadDrawable) ||
		405	(event->error_code == BadColor) ||
		406	(event->error_code == BadGC) ||
		407	(event->error_code == BadIDChoice) ||
		408	(event->error_code == BadValue) ||
		409	(event->error_code == BadAtom)) {
		410	if (event->error_code == BadValue)
		411	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		412	mesg, BUFSIZ);
		413	else if (event->error_code == BadAtom)
		414	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		415	mesg, BUFSIZ);
		416	else
		417	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		418	mesg, BUFSIZ);
		419	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		420	}
		421	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		422	mesg, BUFSIZ);
		423	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
403	}	424	}
		425	#endif
404		426
405	/* EXTPROTO */	427	int
406	void *	428	rxvt_xerror_handler (Display *display, XErrorEvent *event)
407	rxvt_realloc (void *ptr, size_t size)
408	{	429	{
409	void *p;	430	if (GET_R->allowedxerror == -1)
410		431	GET_R->allowedxerror = event->error_code;
411	if (ptr)
412	p = realloc (ptr, size);
413	else	432	else
414	p = malloc (size);	433	{
415	if (p)	434	// GET_R is most likely not the terminal which caused the error,
		435	// so just output the error and continue
		436	#if ENABLE_MINIMAL
		437	old_xerror_handler (display, event);
		438	#else
		439	print_x_error (display, event);
		440	#endif
		441	}
		442
416	return p;	443	return 0;
		444	}
417		445
418	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	446	int
419	rxvt_clean_exit ();	447	rxvt_xioerror_handler (Display *display)
		448	{
		449	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		450	DisplayString (display));
		451	rxvt_emergency_cleanup ();
420	exit (EXIT_FAILURE);	452	_exit (EXIT_FAILURE);
421	/* NOTREACHED */
422	}	453	}
423		454
424	/* ------------------------------------------------------------------------- *	455	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	{	456	{
431	#if ! defined(__CYGWIN32__)	457	ev::sig sw_term, sw_int;
432	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	458
433	/* setreuid () is the poor man's setuid (), seteuid () */	459	/*
434	# define seteuid(a) setreuid(-1, (a))	460	* Catch a fatal signal and tidy up before quitting
435	# define setegid(a) setregid(-1, (a))	461	*/
436	# define HAVE_SETEUID	462	void sig_term (ev::sig &w, int revents);
437	# endif	463
438	# ifdef HAVE_SETEUID	464	sig_handlers ()
439	switch (mode)
440	{	465	{
441	case IGNORE:	466	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
442	/*	467	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
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	}	468	}
458	# else	469	} sig_handlers;
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
471	#endif
472	}
473		470
474	#ifdef UTMP_SUPPORT
475	void	471	void
476	rxvt_term::privileged_utmp (char action)	472	sig_handlers::sig_term (ev::sig &w, int revents)
477	{	473	{
478	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",	474	rxvt_emergency_cleanup ();
479	action, next_utmp_action, getpid ()));	475	w.stop ();
480	if (next_utmp_action != action || (action != SAVE && action != RESTORE)	476	kill (getpid (), w.signum);
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	}	477	}
498	#endif
499		478
500	#ifndef NO_SETOWNER_TTYDEV	479	char **rxvt_environ; // startup environment
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		480
511	privileges (RESTORE);	481	void
		482	rxvt_init ()
		483	{
		484	assert (("fontMask must not overlap other RS masks",
		485	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
512		486
513	if (action == SAVE)	487	ptytty::init ();
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
522		488
523	{	489	if (!ev_default_loop (0))
524	chown (ttydev, getuid (), ttygid); /* fail silently */	490	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
525	chmod (ttydev, ttymode);
526	# ifdef HAVE_REVOKE
527	revoke (ttydev);
528	# endif
529		491
530	}	492	rxvt_environ = environ;
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
543		493
544	}	494	signal (SIGHUP, SIG_IGN);
		495	signal (SIGPIPE, SIG_IGN);
545		496
546	privileges (IGNORE);	497	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		498	sig_handlers.sw_int.start (SIGINT); ev_unref ();
547		499
548	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	500	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
549	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	501	/* signal (SIGURG, SIG_DFL); */
550	action == RESTORE ? "Restoring" : (action ==	502
551	SAVE ? "Saving" :	503	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
552	"UNKNOWN ERROR for"), ttydev,	504	// TODO: handle this with exceptions and tolerate the memory loss
553	ttyfd_stat.st_mode, ttyfd_stat.st_uid,	505	XSetIOErrorHandler (rxvt_xioerror_handler);
554	ttyfd_stat.st_gid));	506
555	# endif	507	XrmInitialize ();
556	}	508	}
557	#endif
558		509
559	/*----------------------------------------------------------------------*/	510	/*----------------------------------------------------------------------*/
560	/*	511	/*
561	* window size/position calculcations for XSizeHint and other storage.	512	* window size/position calculations for XSizeHint and other storage.
562	* if width/height are non-zero then override calculated width/height	513	* if width/height are non-zero then override calculated width/height
563	*/	514	*/
564	void	515	void
565	rxvt_term::window_calc (unsigned int width, unsigned int height)	516	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
566	{	517	{
567	short recalc_x, recalc_y;	518	short recalc_x, recalc_y;
568	int x, y, sb_w, mb_h, flags;	519	int x, y, flags;
569	unsigned int w, h;	520	unsigned int w, h;
570	unsigned int max_width, max_height;	521	unsigned int max_width, max_height;
571		522
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;	523	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
576	szHint.win_gravity = NorthWestGravity;	524	szHint.win_gravity = NorthWestGravity;
577	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	525	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
578		526
579	recalc_x = recalc_y = 0;	527	recalc_x = recalc_y = 0;
580	flags = 0;	528	flags = 0;
		529
581	if (!parsed_geometry)	530	if (!parsed_geometry)
582	{	531	{
583	parsed_geometry = 1;	532	parsed_geometry = 1;
		533
584	if (rs[Rs_geometry])	534	if (rs[Rs_geometry])
585	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	535	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		536
586	if (flags & WidthValue)	537	if (flags & WidthValue)
587	{	538	{
588	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	539	if (!w)
		540	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		541
		542	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
589	szHint.flags |= USSize;	543	szHint.flags |= USSize;
590	}	544	}
		545
591	if (flags & HeightValue)	546	if (flags & HeightValue)
592	{	547	{
593	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	548	if (!h)
		549	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		550
		551	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
594	szHint.flags |= USSize;	552	szHint.flags |= USSize;
595	}	553	}
		554
596	if (flags & XValue)	555	if (flags & XValue)
597	{	556	{
598	szHint.x = x;	557	szHint.x = x;
599	szHint.flags |= USPosition;	558	szHint.flags |= USPosition;
		559
600	if (flags & XNegative)	560	if (flags & XNegative)
601	{	561	{
602	recalc_x = 1;	562	recalc_x = 1;
603	szHint.win_gravity = NorthEastGravity;	563	szHint.win_gravity = NorthEastGravity;
604	}	564	}
605	}	565	}
		566
606	if (flags & YValue)	567	if (flags & YValue)
607	{	568	{
608	szHint.y = y;	569	szHint.y = y;
609	szHint.flags |= USPosition;	570	szHint.flags |= USPosition;
		571
610	if (flags & YNegative)	572	if (flags & YNegative)
611	{	573	{
612	recalc_y = 1;	574	recalc_y = 1;
		575
613	if (szHint.win_gravity == NorthEastGravity)	576	if (szHint.win_gravity == NorthEastGravity)
614	szHint.win_gravity = SouthEastGravity;	577	szHint.win_gravity = SouthEastGravity;
615	else	578	else
616	szHint.win_gravity = SouthWestGravity;	579	szHint.win_gravity = SouthWestGravity;
617	}	580	}
618	}	581	}
619	}	582	}
		583
620	/* TODO: BOUNDS */	584	/* TODO: BOUNDS */
621	TermWin.width = TermWin.ncol * TermWin.fwidth;	585	width = ncol * fwidth;
622	TermWin.height = TermWin.nrow * TermWin.fheight;	586	height = nrow * fheight;
623	max_width = MAX_COLS * TermWin.fwidth;	587	max_width = MAX_COLS * fwidth;
624	max_height = MAX_ROWS * TermWin.fheight;	588	max_height = MAX_ROWS * fheight;
625		589
626	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	590	szHint.base_width = szHint.base_height = 2 * int_bwidth;
627		591
628	sb_w = mb_h = 0;
629	window_vt_x = window_vt_y = 0;	592	window_vt_x = window_vt_y = int_bwidth;
630	if (scrollbar_visible ())	593
		594	if (scrollBar.state)
631	{	595	{
632	sb_w = scrollbar_TotalWidth ();	596	int sb_w = scrollBar.total_width ();
633	szHint.base_width += sb_w;	597	szHint.base_width += sb_w;
		598
634	if (! (Options & Opt_scrollBar_right))	599	if (!option (Opt_scrollBar_right))
635	window_vt_x = sb_w;	600	window_vt_x += sb_w;
636	}
637	if (menubar_visible ())
638	{	601	}
639	mb_h = menuBar_TotalHeight ();	602
640	szHint.base_height += mb_h;
641	window_vt_y = mb_h;
642	}
643	szHint.width_inc = TermWin.fwidth;	603	szHint.width_inc = fwidth;
644	szHint.height_inc = TermWin.fheight;	604	szHint.height_inc = fheight;
645	szHint.min_width = szHint.base_width + szHint.width_inc;	605	szHint.min_width = szHint.base_width + szHint.width_inc;
646	szHint.min_height = szHint.base_height + szHint.height_inc;	606	szHint.min_height = szHint.base_height + szHint.height_inc;
647		607
648	if (width && width - szHint.base_width < max_width)	608	if (newwidth && newwidth - szHint.base_width < max_width)
649	{	609	{
650	szHint.width = width;	610	szHint.width = newwidth;
651	TermWin.width = width - szHint.base_width;	611	width = newwidth - szHint.base_width;
652	}	612	}
653	else	613	else
654	{	614	{
655	MIN_IT (TermWin.width, max_width);	615	min_it (width, max_width);
656	szHint.width = szHint.base_width + TermWin.width;	616	szHint.width = szHint.base_width + width;
657	}	617	}
		618
658	if (height && height - szHint.base_height < max_height)	619	if (newheight && newheight - szHint.base_height < max_height)
659	{	620	{
660	szHint.height = height;	621	szHint.height = newheight;
661	TermWin.height = height - szHint.base_height;	622	height = newheight - szHint.base_height;
662	}	623	}
663	else	624	else
664	{	625	{
665	MIN_IT (TermWin.height, max_height);	626	min_it (height, max_height);
666	szHint.height = szHint.base_height + TermWin.height;	627	szHint.height = szHint.base_height + height;
667	}	628	}
668	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
669	window_sb_x = szHint.width - sb_w;
670		629
671	if (recalc_x)	630	if (recalc_x)
672	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	631	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
673	- szHint.width - 2 * TermWin.ext_bwidth);	632
674	if (recalc_y)	633	if (recalc_y)
675	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	634	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
676	- szHint.height - 2 * TermWin.ext_bwidth);
677		635
678	TermWin.ncol = TermWin.width / TermWin.fwidth;	636	ncol = width / fwidth;
679	TermWin.nrow = TermWin.height / TermWin.fheight;	637	nrow = height / fheight;
680	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
681	TermWin.ncol, TermWin.nrow, szHint.width,
682	szHint.height));
683	return;
684	}	638	}
685		639
686	/*----------------------------------------------------------------------*/	640	/*----------------------------------------------------------------------*/
687	/*	641	/*
688	* Tell the teletype handler what size the window is.	642	* Tell the teletype handler what size the window is.
689	* Called after a window size change.	643	* Called after a window size change.
690	*/	644	*/
691	void	645	void
692	rxvt_term::tt_winch ()	646	rxvt_term::tt_winch ()
693	{	647	{
		648	if (pty->pty < 0)
		649	return;
		650
694	struct winsize ws;	651	struct winsize ws;
695		652
696	if (cmd_fd < 0)
697	return;
698
699	ws.ws_col = TermWin.ncol;	653	ws.ws_col = ncol;
700	ws.ws_row = TermWin.nrow;	654	ws.ws_row = nrow;
701	ws.ws_xpixel = ws.ws_ypixel = 0;	655	ws.ws_xpixel = width;
702	#ifndef DEBUG_SIZE	656	ws.ws_ypixel = height;
703	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	657	ioctl (pty->pty, TIOCSWINSZ, &ws);
704	#else	658
705	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	659	#if 0
706	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	660	// TIOCSWINSZ is supposed to do this automatically and correctly
707	# ifdef SIGWINCH
708	else if (cmd_pid) /* force through to the command */	661	if (cmd_pid) /* force through to the command */
709	kill (cmd_pid, SIGWINCH);	662	kill (-cmd_pid, SIGWINCH);
710	# endif
711	#endif	663	#endif
712	}	664	}
713		665
714	/*----------------------------------------------------------------------*/	666	/*----------------------------------------------------------------------*/
715	/* rxvt_change_font () - Switch to a new font */	667	/* set_fonts () - load and set the various fonts
716	/*	668	*
717	* init = 1 - initialize	669	* init = 1 - initialize
718	*	670	*
719	* fontname == FONT_UP - switch to bigger font	671	* fontname == FONT_UP - switch to bigger font
720	* fontname == FONT_DN - switch to smaller font	672	* fontname == FONT_DN - switch to smaller font
721	*/	673	*/
722	void	674	bool
723	rxvt_term::change_font (int init, const char *fontname)	675	rxvt_term::set_fonts ()
724	{}	676	{
		677	rxvt_fontset *fs = new rxvt_fontset (this);
		678	rxvt_fontprop prop;
725		679
		680	if (!fs
		681	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		682	|| !fs->realize_font (1))
		683	{
		684	delete fs;
		685	return false;
		686	}
		687
		688	#if ENABLE_STYLES
		689	for (int i = RS_styleCount; --i; )
		690	if (fontset[i] != fontset[0])
		691	delete fontset[i];
		692	#endif
		693
		694	delete fontset[0];
		695	fontset[0] = fs;
		696
		697	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		698	prop.height += lineSpace;
		699	prop.width += letterSpace;
		700
		701	fs->set_prop (prop, false);
		702
		703	fwidth = prop.width;
		704	fheight = prop.height;
		705	fbase = prop.ascent;
		706
		707	for (int style = 1; style < 4; style++)
		708	{
		709	#if ENABLE_STYLES
		710	const char *res = rs[Rs_font + style];
		711
		712	if (res && !*res)
		713	fontset[style] = fontset[0];
		714	else
		715	{
		716	fontset[style] = fs = new rxvt_fontset (this);
		717	rxvt_fontprop prop2 = prop;
		718
		719	if (res)
		720	{
		721	fs->populate (res);
		722	fs->set_prop (prop2, false);
		723	}
		724	else
		725	{
		726	fs->populate (fontset[0]->fontdesc);
		727
		728	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		729	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		730
		731	fs->set_prop (prop2, true);
		732	}
		733
		734	}
		735	#else
		736	fontset[style] = fontset[0];
		737	#endif
		738	}
		739
		740	if (parent[0])
		741	{
		742	resize_all_windows (0, 0, 0);
		743	scr_remap_chars ();
		744	scr_touch (true);
		745	}
		746
		747	return true;
		748	}
		749
726	void	750	void
727	rxvt_term::font_up_down (int n, int direction)	751	rxvt_term::set_string_property (Atom prop, const char *str, int len)
728	{}	752	{
		753	XChangeProperty (dpy, parent[0],
		754	prop, XA_STRING, 8, PropModeReplace,
		755	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		756	}
		757
		758	void
		759	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		760	{
		761	wchar_t *ws = rxvt_mbstowcs (str, len);
		762	char *s = rxvt_wcstoutf8 (ws);
		763
		764	XChangeProperty (dpy, parent[0],
		765	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		766	(const unsigned char *)s, strlen (s));
		767
		768	free (s);
		769	free (ws);
		770	}
729		771
730	/*----------------------------------------------------------------------*/	772	/*----------------------------------------------------------------------*/
731	/*----------------------------------------------------------------------*/	773	/*----------------------------------------------------------------------*/
732	/* xterm sequences - title, iconName, color (exptl) */	774	/* xterm sequences - title, iconName, color (exptl) */
733	void	775	void
734	rxvt_term::set_title (const char *str)	776	rxvt_term::set_title (const char *str)
735	{	777	{
736	#ifndef SMART_WINDOW_TITLE	778	set_string_property (XA_WM_NAME, str);
737	XStoreName (display->display, TermWin.parent[0], str);	779	#if ENABLE_EWMH
738	#else	780	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	781	#endif
748	}	782	}
749		783
750	void	784	void
751	rxvt_term::set_iconName (const char *str)	785	rxvt_term::set_icon_name (const char *str)
752	{	786	{
753	#ifndef SMART_WINDOW_TITLE	787	set_string_property (XA_WM_ICON_NAME, str);
754	XSetIconName (display->display, TermWin.parent[0], str);	788	#if ENABLE_EWMH
755	#else	789	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	790	#endif
765	}	791	}
766		792
		793	void
		794	rxvt_term::set_window_color (int idx, const char *color)
		795	{
767	#ifdef XTERM_COLOR_CHANGE	796	#ifdef XTERM_COLOR_CHANGE
768	void
769	rxvt_term::set_window_color (int idx, const char *color)
770	{
771	rxvt_color xcol;	797	rxvt_color xcol;
772	int i;
773		798
774	if (color == NULL || *color == '\0')	799	if (color == NULL || *color == '\0')
775	return;	800	return;
776		801
		802	color = strdup (color);
		803	allocated.push_back ((void *)color);
		804	rs[Rs_color + idx] = color;
		805
777	/* handle color aliases */	806	/* handle color aliases */
778	if (isdigit (*color))	807	if (isdigit (*color))
779	{	808	{
780	i = atoi (color);	809	int i = atoi (color);
		810
781	if (i >= 8 && i <= 15)	811	if (i >= 8 && i <= 15)
		812	{
782	{ /* bright colors */	813	/* bright colors */
783	i -= 8;
784	# ifndef NO_BRIGHTCOLOR
785	PixColors[idx] = PixColors[minBrightCOLOR + i];	814	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
786	SET_PIXCOLOR (idx);
787	goto Done;	815	goto done;
788	# endif
789
790	}	816	}
		817
791	if (i >= 0 && i <= 7)	818	if (i >= 0 && i <= 7)
		819	{
792	{ /* normal colors */	820	/* normal colors */
793	PixColors[idx] = PixColors[minCOLOR + i];	821	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
794	SET_PIXCOLOR (idx);
795	goto Done;	822	goto done;
796	}	823	}
797	}	824	}
798	if (!rXParseAllocColor (& xcol, color))	825
799	return;	826	set_color (xcol, color);
800	/* XStoreColor (display->display, XCMAP, XColor*); */
801		827
802	/*	828	/*
803	* FIXME: should free colors here, but no idea how to do it so instead,	829	* FIXME: should free colors here, but no idea how to do it so instead,
804	* so just keep gobbling up the colormap	830	* so just keep gobbling up the colormap
805	*/	831	*/
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		832
818	PixColors[idx] = xcol;	833	pix_colors_focused[idx] = xcol;
819	SET_PIXCOLOR (idx);
820		834
821	/* XSetWindowAttributes attr; */
822	/* Cursor cursor; */
823	Done:	835	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. */	836	/*TODO: handle Color_BD, scrollbar background, etc. */
829		837
830	set_colorfgbg ();	838	update_fade_color (idx);
831	recolour_cursor ();	839	recolour_cursor ();
832	/* the only reasonable way to enforce a clean update */	840	scr_recolour ();
833	scr_poweron ();	841	#endif /* XTERM_COLOR_CHANGE */
834	}	842	}
835
836	#else
837	# define set_window_color (idx,color) ((void)0)
838	#endif /* XTERM_COLOR_CHANGE */
839		843
840	void	844	void
841	rxvt_term::recolour_cursor ()	845	rxvt_term::recolour_cursor ()
842	{	846	{
843	#if TODO	847	XColor fg, bg;
844	rxvt_color xcol[2];
845		848
846	xcol[0] = PixColors[Color_pointer];	849	(ISSET_PIXCOLOR (Color_pointer_fg)
847	xcol[1] = PixColors[Color_bg];	850	? pix_colors_focused[Color_pointer_fg]
848	XQueryColors (display->display, XCMAP, xcol, 2);	851	: pix_colors_focused[Color_fg]).get (fg);
849	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	852
850	#endif	853	(ISSET_PIXCOLOR (Color_pointer_bg)
		854	? pix_colors_focused[Color_pointer_bg]
		855	: pix_colors_focused[Color_bg]).get (bg);
		856
		857	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
851	}	858	}
852		859
853	/*----------------------------------------------------------------------*/	860	/*----------------------------------------------------------------------*/
854	/*	861	/*
855	* find if fg/bg matches any of the normal (low-intensity) colors	862	* find if fg/bg matches any of the normal (low-intensity) colors
856	*/	863	*/
857	void	864	void
858	rxvt_term::set_colorfgbg ()	865	rxvt_term::set_colorfgbg ()
859	{	866	{
860	unsigned int i;	867	unsigned int i;
861	const char *xpmb = "\0";	868	const char *xpmb = "";
862	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	869	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
863		870
864	env_colorfgbg =
865	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
866	STRCPY (fstr, "default");	871	strcpy (fstr, "default");
867	STRCPY (bstr, "default");	872	strcpy (bstr, "default");
868	for (i = Color_Black; i <= Color_White; i++)	873	for (i = Color_Black; i <= Color_White; i++)
869	if (PixColors[Color_fg] == PixColors[i])	874	if (pix_colors[Color_fg] == pix_colors[i])
870	{	875	{
871	sprintf (fstr, "%d", (i - Color_Black));	876	sprintf (fstr, "%d", (i - Color_Black));
872	break;	877	break;
873	}	878	}
		879
874	for (i = Color_Black; i <= Color_White; i++)	880	for (i = Color_Black; i <= Color_White; i++)
875	if (PixColors[Color_bg] == PixColors[i])	881	if (pix_colors[Color_bg] == pix_colors[i])
876	{	882	{
877	sprintf (bstr, "%d", (i - Color_Black));	883	sprintf (bstr, "%d", (i - Color_Black));
878	#ifdef XPM_BACKGROUND	884	#ifdef BG_IMAGE_FROM_FILE
879	xpmb = "default;";	885	xpmb = "default;";
880	#endif	886	#endif
881	break;	887	break;
882	}	888	}
883		889
884	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	890	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
885
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	}	891	}
897		892
898	/*----------------------------------------------------------------------*/	893	/*----------------------------------------------------------------------*/
899	/*
900	* Colour determination for low colour displays, routine from
901	* Hans de Goede <hans@highrise.nl>
902	*/
903		894
904	int	895	bool
905	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	896	rxvt_term::set_color (rxvt_color &color, const char *name)
906	{	897	{
907	if (!screen_in_out->set (display, colour))	898	if (color.set (this, name))
908	{
909	rxvt_print_error ("can't allocate colour: %s", colour);
910	return false;
911	}
912
913	return true;	899	return true;
		900
		901	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		902	return false;
		903	}
		904
		905	void
		906	rxvt_term::alias_color (int dst, int src)
		907	{
		908	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
914	}	909	}
915		910
916	/* -------------------------------------------------------------------- *	911	/* -------------------------------------------------------------------- *
917	* - WINDOW RESIZING - *	912	* - WINDOW RESIZING - *
918	* -------------------------------------------------------------------- */	913	* -------------------------------------------------------------------- */
919	void	914	void
920	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	915	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
921	{	916	{
922	int fix_screen;	917	int fix_screen;
		918	int old_width = szHint.width;
		919	int old_height = szHint.height;
923		920
924	#ifdef SMART_RESIZE
925	int old_width = szHint.width, old_height = szHint.height;
926	#endif
927
928	window_calc (width, height);	921	window_calc (newwidth, newheight);
		922
		923	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		924
		925	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		926	if (set_hint)
		927	{
		928	szHint.flags &= ~(PBaseSize | PResizeInc);
929	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	929	XSetWMNormalHints (dpy, parent[0], &szHint);
		930	szHint.flags |= PBaseSize | PResizeInc;
		931	}
		932
930	if (!ignoreparent)	933	if (!ignoreparent)
931	{	934	{
932	#ifdef SMART_RESIZE	935	#ifdef SMART_RESIZE
933	/*	936	/*
934	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	937	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
937	int x, y, x1, y1;	940	int x, y, x1, y1;
938	int dx, dy;	941	int dx, dy;
939	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	942	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
940	Window unused_cr;	943	Window unused_cr;
941		944
942	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	945	XTranslateCoordinates (dpy, parent[0], display->root,
943	0, 0, &x, &y, &unused_cr);	946	0, 0, &x, &y, &unused_cr);
944	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	947	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
945	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	948	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
946	/*	949	/*
947	* if display->root isn't the parent window, a WM will probably have offset	950	* if display->root isn't the parent window, a WM will probably have offset
948	* our position for handles and decorations. Counter it	951	* our position for handles and decorations. Counter it
949	*/	952	*/
…		…
951	{	954	{
952	x -= x1;	955	x -= x1;
953	y -= y1;	956	y -= y1;
954	}	957	}
955		958
956	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	959	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
957	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	960	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
958	dx = old_width - szHint.width;	961	dx = old_width - szHint.width;
959	dy = old_height - szHint.height;	962	dy = old_height - szHint.height;
960		963
961	/* Check position of the center of the window */	964	/* Check position of the center of the window */
962	if (x < x1) /* left half */	965	if (x < x1) /* left half */
963	dx = 0;	966	dx = 0;
…		…
966	if (y < y1) /* top half */	969	if (y < y1) /* top half */
967	dy = 0;	970	dy = 0;
968	else if (y == y1) /* exact center */	971	else if (y == y1) /* exact center */
969	dy /= 2;	972	dy /= 2;
970		973
971	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	974	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
972	szHint.width, szHint.height);	975	szHint.width, szHint.height);
973	#else	976	#else
974	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	977	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
975	szHint.height);
976	#endif	978	#endif
977
978	}	979	}
979		980
980	fix_screen = (TermWin.ncol != prev_ncol	981	if (set_hint)
981	|| TermWin.nrow != prev_nrow);	982	XSetWMNormalHints (dpy, parent[0], &szHint);
982		983
		984	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		985
983	if (fix_screen || width != old_width || height != old_height)	986	if (fix_screen || newwidth != old_width || newheight != old_height)
984	{	987	{
985	if (scrollbar_visible ())	988	if (scrollBar.state)
986	{	989	scrollBar.resize ();
987	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
988	0, scrollbar_TotalWidth (), szHint.height);
989	resize_scrollbar ();
990	}
991		990
992	if (menubar_visible ())	991	XMoveResizeWindow (dpy, vt,
993	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	992	window_vt_x, window_vt_y,
994	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
995
996	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
997	window_vt_y, TermWin_TotalWidth (),
998	TermWin_TotalHeight ());	993	width, height);
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		994
		995	#ifdef HAVE_BG_PIXMAP
		996	if (bgPixmap.window_size_sensitive ())
		997	update_background ();
		998	#endif
1009	}	999	}
1010		1000
1011	if (fix_screen || old_height == 0)	1001	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 ();	1002	scr_reset ();
1026		1003
1027	if (curr_screen >= 0) /* this is not the first time through */	1004	#ifdef HAVE_BG_PIXMAP
1028	{	1005	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
1029	scr_change_screen (curr_screen);	1006	// if (bgPixmap.pixmap)
1030	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1007	// scr_touch (false);
1031	}	1008	#endif
1032	}
1033
1034	old_width = szHint.width;
1035	old_height = szHint.height;
1036		1009
1037	#ifdef USE_XIM	1010	#ifdef USE_XIM
1038	IMSetStatusPosition ();	1011	IMSetPosition ();
1039	#endif	1012	#endif
1040	}	1013	}
1041		1014
1042	/*	1015	/*
1043	* Set the width/height of the vt window in characters. Units are pixels.	1016	* Set the width/height of the vt window in characters. Units are pixels.
1044	* good for toggling 80/132 columns	1017	* good for toggling 80/132 columns
1045	*/	1018	*/
1046	void	1019	void
1047	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1020	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1048	{	1021	{
1049	XWindowAttributes wattr;	1022	XWindowAttributes wattr;
1050		1023
1051	if (width == 0 || height == 0)	1024	if (newwidth == 0 || newheight == 0)
1052	{	1025	{
1053	XGetWindowAttributes (display->display, display->root, &wattr);	1026	XGetWindowAttributes (dpy, display->root, &wattr);
		1027
1054	if (width == 0)	1028	if (newwidth == 0)
1055	width = wattr.width - szHint.base_width;	1029	newwidth = wattr.width - szHint.base_width;
1056	if (height == 0)	1030	if (newheight == 0)
1057	height = wattr.height - szHint.base_height;	1031	newheight = wattr.height - szHint.base_height;
1058	}
1059	if (width != TermWin.width || height != TermWin.height)
1060	{	1032	}
		1033
		1034	if (newwidth != width || newheight != height)
		1035	{
1061	width += szHint.base_width;	1036	newwidth += szHint.base_width;
1062	height += szHint.base_height;	1037	newheight += szHint.base_height;
1063	resize_all_windows (width, height, 0);	1038	resize_all_windows (newwidth, newheight, 0);
1064	}	1039	}
1065	}	1040	}
1066		1041
1067	/* -------------------------------------------------------------------- *	1042	/* -------------------------------------------------------------------- *
1068	* - X INPUT METHOD ROUTINES - *	1043	* - X INPUT METHOD ROUTINES - *
1069	* -------------------------------------------------------------------- */	1044	* -------------------------------------------------------------------- */
1070	#ifdef USE_XIM	1045	#ifdef USE_XIM
1071		1046
1072	void	1047	void
		1048	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1049	{
		1050	fg = pix_colors [Color_fg];
		1051	bg = pix_colors [Color_bg];
		1052	}
		1053
		1054	void
1073	rxvt_term::im_set_size (XRectangle *size)	1055	rxvt_term::im_set_size (XRectangle &size)
1074	{	1056	{
1075	size->x = TermWin.int_bwidth;	1057	// the int_bwidth terms make no sense to me
1076	size->y = TermWin.int_bwidth;	1058	size.x = int_bwidth;
1077	size->width = Width2Pixel (TermWin.ncol);	1059	size.y = int_bwidth;
1078	size->height = Height2Pixel (TermWin.nrow);	1060	size.width = Width2Pixel (ncol) + int_bwidth;
		1061	size.height = Height2Pixel (nrow) + int_bwidth;
1079	}	1062	}
1080		1063
1081	void	1064	void
1082	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1065	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1066	XRectangle &status_rect,
		1067	const XRectangle &needed_rect)
1083	{	1068	{
1084	*fg = PixColors[Color_fg];	1069	preedit_rect.x = needed_rect.width;
1085	*bg = PixColors[Color_bg];	1070	preedit_rect.y = 0;
		1071	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1072	preedit_rect.height = fheight;
		1073
		1074	status_rect.x = 0;
		1075	status_rect.y = 0;
		1076	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1077	status_rect.height = fheight;
1086	}	1078	}
1087		1079
1088	/* Checking whether input method is running. */	1080	/* Checking whether input method is running. */
1089	bool	1081	bool
1090	rxvt_term::IMisRunning ()	1082	rxvt_term::IMisRunning ()
1091	{	1083	{
1092	char *p;	1084	Atom atom;
1093	Atom atom;	1085	Window win;
1094	Window win;
1095	char server[IMBUFSIZ];	1086	char server[IMBUFSIZ];
1096		1087
1097	/* get current locale modifier */	1088	/* get current locale modifier */
1098	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1089	if (char *p = XSetLocaleModifiers (0))
1099	{	1090	{
1100	STRCPY (server, "@server=");	1091	strcpy (server, "@server=");
1101	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1092	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1093
1102	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1094	if (p = strchr (server + 1, '@')) /* first one only */
1103	*p = '\0';	1095	*p = '\0';
1104		1096
1105	atom = XInternAtom (display->display, server, False);	1097	atom = XInternAtom (dpy, server, False);
1106	win = XGetSelectionOwner (display->display, atom);	1098	win = XGetSelectionOwner (dpy, atom);
		1099
1107	if (win != None)	1100	if (win != None)
1108	return True;	1101	return True;
1109	}	1102	}
		1103
1110	return False;	1104	return False;
1111	}	1105	}
1112		1106
1113	void	1107	void
1114	rxvt_term::IMSendSpot ()	1108	rxvt_term::IMSendSpot ()
1115	{	1109	{
1116	XPoint spot;	1110	XPoint nspot;
1117	XVaNestedList preedit_attr;	1111	XVaNestedList preedit_attr;
1118		1112
1119	if (Input_Context == NULL	1113	if (!Input_Context
1120	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1114	|| !focus
1121	|| ! (event_type == KeyPress	1115	|| !(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;	1116	return;
1128		1117
1129	im_set_position (&spot);	1118	im_set_position (nspot);
		1119
		1120	if (nspot.x == spot.x && nspot.y == spot.y)
		1121	return;
		1122
		1123	spot = nspot;
1130		1124
1131	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1125	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1132	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1126	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1133	XFree (preedit_attr);	1127	XFree (preedit_attr);
1134	}	1128	}
1135		1129
1136	void	1130	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 ()	1131	rxvt_term::im_destroy ()
1163	{	1132	{
1164	if (Input_Context)
1165	{
1166	XDestroyIC (Input_Context);
1167	Input_Context = NULL;
1168	}
1169
1170	if (input_method)	1133	if (input_method)
1171	{	1134	{
		1135	if (Input_Context && input_method->xim)
		1136	XDestroyIC (Input_Context);
		1137
1172	display->put_xim (input_method);	1138	display->put_xim (input_method);
1173	input_method = 0;	1139	input_method = 0;
1174	}	1140	}
		1141
		1142	Input_Context = 0;
1175	}	1143	}
		1144
		1145	#ifdef ENABLE_XIM_ONTHESPOT
		1146
		1147	static void
		1148	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1149	{
		1150	((rxvt_term *)client_data)->make_current ();
		1151	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1152	}
		1153
		1154	static void
		1155	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1156	{
		1157	((rxvt_term *)client_data)->make_current ();
		1158	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1159	}
		1160
		1161	static void
		1162	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1163	{
		1164	rxvt_term *term = (rxvt_term *)client_data;
		1165	XIMText *text = call_data->text;
		1166
		1167	term->make_current ();
		1168
		1169	if (text)
		1170	{
		1171	wchar_t *str;
		1172
		1173	if (!text->encoding_is_wchar && text->string.multi_byte)
		1174	{
		1175	// of course, X makes it ugly again
		1176	if (term->rs[Rs_imLocale])
		1177	SET_LOCALE (term->rs[Rs_imLocale]);
		1178
		1179	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1180	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1181
		1182	if (term->rs[Rs_imLocale])
		1183	SET_LOCALE (term->locale);
		1184	}
		1185	else
		1186	str = text->string.wide_char;
		1187
		1188	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1189	DT_INT, call_data->caret,
		1190	DT_INT, call_data->chg_first,
		1191	DT_INT, call_data->chg_length,
		1192	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1193	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1194	DT_END));
		1195	}
		1196	else
		1197	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1198	DT_INT, call_data->caret,
		1199	DT_INT, call_data->chg_first,
		1200	DT_INT, call_data->chg_length,
		1201	DT_END));
		1202	}
		1203
		1204	#if 0
		1205	static void
		1206	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1207	{
		1208	((rxvt_term *)client_data)->make_current ();
		1209	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1210	DT_INT, call_data->position,
		1211	DT_INT, call_data->direction,
		1212	DT_INT, call_data->style,
		1213	DT_END));
		1214	}
		1215	#endif
		1216
		1217	#endif
1176		1218
1177	/*	1219	/*
1178	* Try to open a XIM with the current modifiers, then see if we can	1220	* Try to open a XIM with the current modifiers, then see if we can
1179	* open a suitable preedit type	1221	* open a suitable preedit type
1180	*/	1222	*/
1181	bool	1223	bool
1182	rxvt_term::IM_get_IC (const char *modifiers)	1224	rxvt_term::IM_get_IC (const char *modifiers)
1183	{	1225	{
1184	int i, j, found;	1226	int i, j, found;
1185	XIM xim;	1227	XIM xim;
1186	XPoint spot;	1228	XPoint spot;
1187	XRectangle rect, status_rect, needed_rect;	1229	XRectangle rect, status_rect, needed_rect;
1188	unsigned long fg, bg;	1230	unsigned long fg, bg;
1189	const char *p;	1231	const char *p;
1190	char **s;	1232	char **s;
1191	XIMStyles *xim_styles;	1233	XIMStyles *xim_styles;
1192	XVaNestedList preedit_attr, status_attr;	1234	#ifdef ENABLE_XIM_ONTHESPOT
		1235	XIMCallback xcb[4];
		1236	#endif
		1237
		1238	set_environ (envv);
1193		1239
1194	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1240	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1195	return false;	1241	return false;
1196		1242
1197	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1198	input_method = display->get_xim (locale, modifiers);	1243	input_method = display->get_xim (locale, modifiers);
1199	if (input_method == NULL)	1244	if (input_method == NULL)
1200	return false;	1245	return false;
1201		1246
1202	xim = input_method->xim;	1247	xim = input_method->xim;
		1248	spot.x = spot.y = -1;
1203		1249
1204	xim_styles = NULL;	1250	xim_styles = NULL;
1205	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1251	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1206	|| !xim_styles || !xim_styles->count_styles)	1252	|| !xim_styles || !xim_styles->count_styles)
1207	{	1253	{
1208	display->put_xim (input_method);	1254	im_destroy ();
1209	return false;	1255	return false;
1210	}	1256	}
1211		1257
1212	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1258	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1259
		1260	for (int pi = 0; pi < 2; pi++)
		1261	{
		1262	p = pet[pi];
		1263
		1264	if (!p)
		1265	continue;
		1266
1213	s = rxvt_splitcommastring (p);	1267	s = rxvt_splitcommastring (p);
		1268
1214	for (i = found = 0; !found && s[i]; i++)	1269	for (i = found = 0; !found && s[i]; i++)
1215	{	1270	{
1216	if (!STRCMP (s[i], "OverTheSpot"))	1271	if (!strcmp (s[i], "OverTheSpot"))
1217	input_style = (XIMPreeditPosition | XIMStatusNothing);	1272	input_style = XIMPreeditPosition | XIMStatusNothing;
1218	else if (!STRCMP (s[i], "OffTheSpot"))	1273	else if (!strcmp (s[i], "OffTheSpot"))
1219	input_style = (XIMPreeditArea | XIMStatusArea);	1274	input_style = XIMPreeditArea | XIMStatusArea;
1220	else if (!STRCMP (s[i], "Root"))	1275	else if (!strcmp (s[i], "Root"))
1221	input_style = (XIMPreeditNothing | XIMStatusNothing);	1276	input_style = XIMPreeditNothing | XIMStatusNothing;
		1277	else if (!strcmp (s[i], "None"))
		1278	input_style = XIMPreeditNone | XIMStatusNone;
		1279	#ifdef ENABLE_XIM_ONTHESPOT
		1280	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1281	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1282	#endif
		1283	else
		1284	input_style = XIMPreeditNothing | XIMStatusNothing;
1222		1285
1223	for (j = 0; j < xim_styles->count_styles; j++)	1286	for (j = 0; j < xim_styles->count_styles; j++)
1224	if (input_style == xim_styles->supported_styles[j])	1287	if (input_style == xim_styles->supported_styles[j])
1225	{	1288	{
		1289	rxvt_freecommastring (s);
		1290
1226	found = 1;	1291	found = 1;
1227	break;	1292	goto foundpet;
		1293	}
		1294
1228	}	1295	}
1229	}
1230		1296
1231	for (i = 0; s[i]; i++)	1297	rxvt_freecommastring (s);
1232	free (s[i]);	1298	}
1233		1299
1234	free (s);	1300	foundpet:
		1301
1235	XFree (xim_styles);	1302	XFree (xim_styles);
1236		1303
1237	if (!found)	1304	if (!found)
1238	{	1305	{
1239	display->put_xim (input_method);	1306	im_destroy ();
1240	return false;	1307	return false;
1241	}	1308	}
1242		1309
1243	preedit_attr = status_attr = NULL;	1310	XFontSet fs = 0;
		1311	XVaNestedList preedit_attr = 0, status_attr = 0;
		1312
		1313	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1314	{
		1315	// fake us a font-set, please
		1316	char **missing_charset_list;
		1317	int missing_charset_count;
		1318	char *def_string;
		1319	char pat[512];
		1320
		1321	sprintf (pat,
		1322	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1323	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1324	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1325	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1326	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1327	"*",
		1328	fheight,
		1329	fheight + 1, fheight - 1,
		1330	fheight - 2, fheight + 2);
		1331
		1332	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1333	&missing_charset_list, &missing_charset_count, &def_string);
		1334
		1335	if (missing_charset_list)
		1336	XFreeStringList (missing_charset_list);
		1337
		1338	if (!fs)
		1339	{
		1340	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1341	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1342	}
		1343	}
1244		1344
1245	if (input_style & XIMPreeditPosition)	1345	if (input_style & XIMPreeditPosition)
1246	{	1346	{
1247	im_set_size (&rect);	1347	im_set_size (rect);
1248	im_set_position (&spot);	1348	im_set_position (spot);
1249	im_set_color (&fg, &bg);	1349	im_set_color (fg, bg);
1250		1350
1251	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1351	preedit_attr = XVaCreateNestedList (0,
		1352	XNForeground, fg,
		1353	XNBackground, bg,
		1354	XNArea, &rect,
1252	XNSpotLocation, &spot,	1355	XNSpotLocation, &spot,
1253	XNForeground, fg, XNBackground, bg,
1254	//XNFontSet, TermWin.fontset,	1356	XNFontSet, fs,
1255	NULL);	1357	NULL);
1256	}	1358	}
1257	else if (input_style & XIMPreeditArea)	1359	else if (input_style & XIMPreeditArea)
1258	{	1360	{
1259	im_set_color (&fg, &bg);	1361	im_set_color (fg, bg);
1260		1362
1261	/*	1363	/*
1262	* The necessary width of preedit area is unknown	1364	* The necessary width of preedit area is unknown
1263	* until create input context.	1365	* until create input context.
1264	*/	1366	*/
1265	needed_rect.width = 0;	1367	needed_rect.width = 0;
1266
1267	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1368	im_set_preedit_area (rect, status_rect, needed_rect);
1268		1369
1269	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1370	preedit_attr = XVaCreateNestedList (0,
		1371	XNForeground, fg,
1270	XNForeground, fg, XNBackground, bg,	1372	XNBackground, bg,
		1373	XNArea, &rect,
		1374	XNFontSet, fs,
		1375	NULL);
		1376	status_attr = XVaCreateNestedList (0,
		1377	XNForeground, fg,
		1378	XNBackground, bg,
		1379	XNArea, &status_rect,
1271	//XNFontSet, TermWin.fontset,	1380	XNFontSet, fs,
1272	NULL);	1381	NULL);
1273	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1382	}
1274	XNForeground, fg, XNBackground, bg,	1383	#if ENABLE_XIM_ONTHESPOT
1275	//XNFontSet, TermWin.fontset,	1384	else if (input_style & XIMPreeditCallbacks)
		1385	{
		1386	im_set_position (spot);
		1387
		1388	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1389	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1390	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1391	# if 0
		1392	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1393	# endif
		1394
		1395	preedit_attr = XVaCreateNestedList (0,
		1396	XNSpotLocation, &spot,
		1397	XNPreeditStartCallback, &xcb[0],
		1398	XNPreeditDoneCallback , &xcb[1],
		1399	XNPreeditDrawCallback , &xcb[2],
		1400	# if 0
		1401	XNPreeditCaretCallback, &xcb[3],
		1402	# endif
1276	NULL);	1403	NULL);
1277	}	1404	}
		1405	#endif
1278		1406
1279	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1407	Input_Context = XCreateIC (xim,
		1408	XNInputStyle, input_style,
1280	XNClientWindow, TermWin.parent[0],	1409	XNClientWindow, vt,
1281	XNFocusWindow, TermWin.parent[0],	1410	XNFocusWindow, parent[0],
1282	preedit_attr ? XNPreeditAttributes : NULL,	1411	preedit_attr ? XNPreeditAttributes : NULL,
1283	preedit_attr,	1412	preedit_attr,
1284	status_attr ? XNStatusAttributes : NULL,	1413	status_attr ? XNStatusAttributes : NULL,
1285	status_attr, NULL);	1414	status_attr, NULL);
		1415
1286	if (preedit_attr) XFree (preedit_attr);	1416	if (preedit_attr) XFree (preedit_attr);
1287	if (status_attr) XFree (status_attr);	1417	if (status_attr) XFree (status_attr);
		1418	if (fs) XFreeFontSet (dpy, fs);
1288		1419
1289	if (Input_Context == NULL)	1420	if (Input_Context == NULL)
1290	{	1421	{
1291	rxvt_print_error ("failed to create input context");	1422	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1292	display->put_xim (input_method);	1423	im_destroy ();
1293	return false;	1424	return false;
1294	}	1425	}
1295		1426
1296	if (input_style & XIMPreeditArea)	1427	#if 0
		1428	// unfortunately, only the focus window is used by XIM, hard to fix
		1429	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1430	vt_select_input ();
		1431	#endif
		1432
1297	IMSetStatusPosition ();	1433	IMSetPosition ();
1298		1434
1299	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1300	return true;	1435	return true;
1301	}	1436	}
1302		1437
1303	void	1438	void
1304	rxvt_term::im_cb ()	1439	rxvt_term::im_cb ()
1305	{	1440	{
1306	int i, found, had_im;	1441	int i;
1307	const char *p;	1442	const char *p;
1308	char **s;	1443	char **s;
1309	char buf[IMBUFSIZ];	1444	char buf[IMBUFSIZ];
1310		1445
		1446	make_current ();
		1447
1311	im_destroy ();	1448	im_destroy ();
1312		1449
1313	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1314	if (Input_Context)	1450	if (Input_Context)
1315	return;	1451	return;
1316		1452
1317	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1453	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1318	if (rs[Rs_imLocale])	1454	if (rs[Rs_imLocale])
1319	setlocale (LC_CTYPE, rs[Rs_imLocale]);	1455	SET_LOCALE (rs[Rs_imLocale]);
1320	#endif	1456	#endif
1321		1457
1322	p = rs[Rs_inputMethod];	1458	p = rs[Rs_inputMethod];
1323	if (p && *p)	1459	if (p && *p)
1324	{	1460	{
1325	bool found = false;	1461	bool found = false;
1326		1462
1327	s = rxvt_splitcommastring (p);	1463	s = rxvt_splitcommastring (p);
		1464
1328	for (i = 0; s[i]; i++)	1465	for (i = 0; s[i]; i++)
1329	{	1466	{
1330	if (*s[i])	1467	if (*s[i])
1331	{	1468	{
1332	STRCPY (buf, "@im=");	1469	strcpy (buf, "@im=");
1333	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1470	strncat (buf, s[i], IMBUFSIZ - 5);
1334	if (IM_get_IC (buf))	1471	if (IM_get_IC (buf))
1335	{	1472	{
1336	found = true;	1473	found = true;
1337	break;	1474	break;
1338	}	1475	}
1339	}	1476	}
1340	}	1477	}
1341	for (i = 0; s[i]; i++)	1478
1342	free (s[i]);	1479	rxvt_freecommastring (s);
1343	free (s);
1344		1480
1345	if (found)	1481	if (found)
1346	goto done;	1482	goto done;
1347	}	1483	}
1348		1484
…		…
1355	goto done;	1491	goto done;
1356		1492
1357	done:	1493	done:
1358	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1494	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1359	if (rs[Rs_imLocale])	1495	if (rs[Rs_imLocale])
1360	setlocale (LC_CTYPE, locale);	1496	SET_LOCALE (locale);
1361	#endif	1497	#endif
1362	}	1498	}
1363		1499
1364	void	1500	void
1365	rxvt_term::IMSetStatusPosition ()	1501	rxvt_term::IMSetPosition ()
1366	{	1502	{
1367	XRectangle preedit_rect, status_rect, *needed_rect;	1503	XRectangle preedit_rect, status_rect, *needed_rect;
1368	XVaNestedList preedit_attr, status_attr;	1504	XVaNestedList preedit_attr, status_attr;
1369		1505
1370	if (Input_Context == NULL	1506	if (!Input_Context
1371	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1507	|| !focus
		1508	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1372	|| !IMisRunning ())	1509	|| !IMisRunning ())
1373	return;	1510	return;
1374		1511
		1512	if (input_style & XIMPreeditPosition)
		1513	{
		1514	im_set_size (preedit_rect);
		1515	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1516
		1517	XSetICValues (Input_Context,
		1518	XNPreeditAttributes, preedit_attr, NULL);
		1519	}
		1520	else
		1521	{
1375	/* Getting the necessary width of preedit area */	1522	/* Getting the necessary width of preedit area */
1376	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1523	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1377	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1524	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1378	XFree (status_attr);	1525	XFree (status_attr);
1379		1526
1380	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1527	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1528	XFree (needed_rect);
1381		1529
1382	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1530	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1383	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1531	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1384		1532
1385	XSetICValues (Input_Context,	1533	XSetICValues (Input_Context,
1386	XNPreeditAttributes, preedit_attr,	1534	XNPreeditAttributes, preedit_attr,
1387	XNStatusAttributes, status_attr, NULL);	1535	XNStatusAttributes, status_attr,
		1536	NULL);
1388		1537
		1538	XFree (status_attr);
		1539	}
		1540
1389	XFree (preedit_attr);	1541	XFree (preedit_attr);
1390	XFree (status_attr);
1391	}	1542	}
1392	#endif /* USE_XIM */	1543	#endif /* USE_XIM */
1393		1544
1394	/*----------------------------------------------------------------------*/	1545	void
1395	rxvt_t rxvt_current_term;	1546	rxvt_term::get_window_origin (int &x, int &y)
		1547	{
		1548	Window cr;
		1549	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1550	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1551	}
		1552
		1553	Pixmap
		1554	rxvt_term::get_pixmap_property (int prop_id)
		1555	{
		1556	if (prop_id > 0 && prop_id < NUM_XA)
		1557	if (xa[prop_id])
		1558	{
		1559	int aformat;
		1560	unsigned long nitems, bytes_after;
		1561	Atom atype;
		1562	unsigned char *prop = NULL;
		1563	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1564	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1565	&nitems, &bytes_after, &prop);
		1566	if (result == Success && prop && atype == XA_PIXMAP)
		1567	return *(Pixmap *)prop;
		1568	}
		1569
		1570	return None;
		1571	}
		1572
		1573	#ifdef HAVE_BG_PIXMAP
		1574	# if TRACE_PIXMAPS
		1575	# undef update_background
		1576	void
		1577	rxvt_term::trace_update_background (const char *file, int line)
		1578	{
		1579	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1580	update_background ();
		1581	}
		1582	# endif
		1583
		1584	void
		1585	rxvt_term::update_background ()
		1586	{
		1587	if (update_background_ev.is_active ())
		1588	return;
		1589
		1590	bgPixmap.invalidate ();
		1591
		1592	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1593
		1594	if (to_wait <= 0.)
		1595	bgPixmap.render ();
		1596	else
		1597	update_background_ev.start (to_wait);
		1598	}
		1599
		1600	void
		1601	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1602	{
		1603	make_current ();
		1604
		1605	update_background_ev.stop ();
		1606	bgPixmap.render ();
		1607	refresh_check ();
		1608	}
		1609
		1610	#endif /* HAVE_BG_PIXMAP */
1396		1611
1397	/*----------------------- end-of-file (C source) -----------------------*/	1612	/*----------------------- end-of-file (C source) -----------------------*/

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