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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.31 by pcg, Fri Feb 13 12:11:05 2004 UTC vs.
Revision 1.318 by root, Sat May 30 08:51:23 2009 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
36	#include <signal.h>	40	#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>	41	#include <cstring>
47		42
		43	#include <termios.h>
		44
		45	#ifdef HAVE_XSETLOCALE
		46	# define X_LOCALE
		47	# include <X11/Xlocale.h>
		48	#else
		49	# ifdef HAVE_SETLOCALE
		50	# include <clocale>
		51	# endif
		52	#endif
		53
		54	vector<rxvt_term *> rxvt_term::termlist;
		55
		56	// used to tell global functions which terminal instance is "active"
		57	rxvt_t rxvt_current_term;
		58
48	static char curlocale[128];	59	static char curlocale[128], savelocale[128];
49		60
50	void	61	bool
51	rxvt_set_locale (const char *locale)	62	rxvt_set_locale (const char *locale) NOTHROW
52	{	63	{
53	if (locale && STRNCMP (locale, curlocale, 128))	64	int size = strlen (locale) + 1;
54	{	65
55	STRNCPY (curlocale, locale, 128);	66	if (size > sizeof (curlocale))
		67	rxvt_fatal ("locale string too long, aborting.\n");
		68
		69	if (!locale || !memcmp (locale, curlocale, size))
		70	return false;
		71
		72	memcpy (curlocale, locale, size);
56	setlocale (LC_CTYPE, curlocale);	73	setlocale (LC_CTYPE, curlocale);
57	}	74	return true;
58	}	75	}
59		76
60	void *	77	void
61	rxvt_term::operator new (size_t s)	78	rxvt_push_locale (const char *locale) NOTHROW
62	{	79	{
63	void *p = malloc (s);	80	strcpy (savelocale, curlocale);
		81	rxvt_set_locale (locale);
		82	}
64		83
65	MEMSET (p, 0, s);	84	void
		85	rxvt_pop_locale () NOTHROW
		86	{
		87	rxvt_set_locale (savelocale);
		88	}
		89
		90	#if ENABLE_COMBINING
		91	class rxvt_composite_vec rxvt_composite;
		92
		93	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		94	{
		95	compose_char *cc;
		96
		97	// break compose chains, as stupid readline really likes to duplicate
		98	// composing characters for some reason near the end of a line.
		99	cc = (*this)[c1];
		100	while (cc)
		101	{
		102	if (cc->c2 == c2) return c1;
		103	cc = (*this)[cc->c1];
		104	}
		105
		106	// check to see wether this combination already exists otherwise
		107	for (cc = v.end (); cc-- > v.begin (); )
		108	{
		109	if (cc->c1 == c1 && cc->c2 == c2)
		110	return COMPOSE_LO + (cc - v.begin ());
		111	}
		112
		113	// allocate a new combination
		114	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		115	{
		116	static int seen;
		117
		118	if (!seen++)
		119	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		120
		121	return REPLACEMENT_CHAR;
		122	}
		123
		124	v.push_back (compose_char (c1, c2));
		125
		126	return v.size () - 1 + COMPOSE_LO;
		127	}
		128
		129	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		130	{
		131	compose_char *cc = (*this)[c];
		132
		133	if (!cc)
		134	{
		135	if (r) *r = c;
		136	return 1;
		137	}
		138
		139	int len = expand (cc->c1, r);
		140
		141	if (r) r += len;
		142
		143	if (cc->c2 != NOCHAR)
		144	{
		145	len++;
		146	if (r) *r++ = cc->c2;
		147	}
		148
66	return p;	149	return len;
67	}
68		150
69	void
70	rxvt_term::operator delete (void *p, size_t s)
71	{
72	free (p);
73	}	151	}
		152	#endif
74		153
75	rxvt_term::rxvt_term ()	154	rxvt_term::rxvt_term ()
76	:	155	{
77	rootwin_ev (this, &rxvt_term::rootwin_cb),	156	#if HAVE_BG_PIXMAP
78	termwin_ev (this, &rxvt_term::x_cb),	157	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	158	#endif
86	#ifdef CURSOR_BLINK	159	#ifdef CURSOR_BLINK
87	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
88	#endif	161	#endif
89	#ifdef TEXT_BLINK	162	#ifdef TEXT_BLINK
90	text_blink_ev (this, &rxvt_term::text_blink_cb),	163	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		164	#endif
		165	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		166	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		167	#endif
		168	#ifdef SELECTION_SCROLLING
		169	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		170	#endif
		171	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		172	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		173	#endif
		174	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		175	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		176	#endif
		177	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		178	#ifdef USE_XIM
		179	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
91	#endif	180	#endif
92	#ifdef POINTER_BLANK	181	#ifdef POINTER_BLANK
93	pointer_ev (this, &rxvt_term::pointer_cb),	182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
94	#endif	183	#endif
95	check_ev (this, &rxvt_term::check_cb),	184	#ifndef NO_BELL
96	destroy_ev (this, &rxvt_term::destroy_cb),	185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
97	pty_ev (this, &rxvt_term::pty_cb),	186	#endif
98	incr_ev (this, &rxvt_term::incr_cb),	187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		189	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		190	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		191	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
		195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		196
		197	termlist.push_back (this);
		198
		199	#ifdef KEYSYM_RESOURCE
		200	keyboard = new keyboard_manager;
		201	#endif
		202	}
		203
		204	// clean up the most important stuff, do *not* call x or free mem etc.
		205	// for use before an emergency exit
		206	void
		207	rxvt_term::emergency_cleanup ()
		208	{
		209	if (cmd_pid)
		210	kill (-cmd_pid, SIGHUP);
		211
		212	pty_ev.stop ();
		213	delete pty; pty = 0;
		214	}
		215
		216	rxvt_term::~rxvt_term ()
		217	{
		218	termlist.erase (find (termlist.begin (), termlist.end(), this));
		219
		220	emergency_cleanup ();
		221
		222	#if ENABLE_STYLES
		223	for (int i = RS_styleCount; --i; )
		224	if (fontset[i] != fontset[0])
		225	delete fontset[i];
		226	#endif
		227	delete fontset[0];
		228
		229	#ifdef HAVE_BG_PIXMAP
		230	bgPixmap.destroy ();
		231	#endif
		232	#ifdef HAVE_AFTERIMAGE
		233	if (asv)
		234	destroy_asvisual (asv, 0);
		235	if (asimman)
		236	destroy_image_manager (asimman, 0);
		237	#endif
		238
		239	if (display)
		240	{
		241	selection_clear ();
		242
99	#ifdef USE_XIM	243	#ifdef USE_XIM
100	im_ev (this, &rxvt_term::im_cb)	244	im_destroy ();
101	#endif	245	#endif
102	{	246	scrollBar.destroy ();
103	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	247	if (gc) XFreeGC (dpy, gc);
104	}
105		248
106	rxvt_term::~rxvt_term ()	249	delete drawable;
107	{	250	// destroy all windows
108	if (cmd_fd >= 0)	251	if (parent[0])
109	close (cmd_fd);	252	XDestroyWindow (dpy, parent[0]);
		253
		254	for (int i = 0; i < TOTAL_COLORS; i++)
		255	if (ISSET_PIXCOLOR (i))
		256	{
		257	pix_colors_focused [i].free (this);
		258	#if OFF_FOCUS_FADING
		259	pix_colors_unfocused [i].free (this);
		260	#endif
		261	}
		262
		263	clear ();
		264
		265	display->flush (); /* ideally .put should do this */
		266	displays.put (display);
		267	}
110		268
111	scr_release ();	269	scr_release ();
112		270
		271	/* clear all resources */
		272	for (int i = 0; i < allocated.size (); i++)
		273	free (allocated [i]);
		274
		275	free (selection.text);
		276	// TODO: manage env vars in child only(!)
		277	free (env_display);
		278	free (env_term);
113	free (locale);	279	free (locale);
114	free (codeset);	280	free (v_buffer);
		281	free (incr_buf);
115		282
116	#ifndef NO_SETOWNER_TTYDEV	283	delete envv;
117	privileged_ttydev (RESTORE);	284	delete argv;
118	#endif
119	#ifdef UTMP_SUPPORT
120	privileged_utmp (RESTORE);
121	#endif
122		285
123	// TODO: free pixcolours, colours should become part of rxvt_display	286	#ifdef KEYSYM_RESOURCE
		287	delete keyboard;
		288	#endif
		289	#ifndef NO_RESOURCES
		290	XrmDestroyDatabase (option_db);
		291	#endif
		292	}
124		293
125	delete PixColors;	294	// child has exited, usually destroys
126	delete TermWin.fontset;	295	void
		296	rxvt_term::child_cb (ev::child &w, int status)
		297	{
		298	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
127		299
128	displays.put (display);	300	cmd_pid = 0;
		301
		302	if (!option (Opt_hold))
		303	destroy ();
129	}	304	}
130		305
131	void	306	void
132	rxvt_term::destroy ()	307	rxvt_term::destroy ()
133	{	308	{
		309	if (destroy_ev.is_active ())
		310	return;
		311
		312	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		313
		314	#if ENABLE_OVERLAY
		315	scr_overlay_off ();
		316	#endif
		317
134	if (display)	318	if (display)
135	{	319	{
136	if (TermWin.parent[0])	320	#if USE_XIM
137	XDestroyWindow (display->display, TermWin.parent[0]);	321	im_ev.stop (display);
138		322	#endif
		323	scrollbar_ev.stop (display);
		324	#if ENABLE_TRANSPARENCY || ENABLE_PERL
139	rootwin_ev.stop (display);	325	rootwin_ev.stop (display);
		326	#endif
		327	incr_ev.stop ();
140	termwin_ev.stop (display);	328	termwin_ev.stop (display);
141	vt_ev.stop (display);	329	vt_ev.stop (display);
142
143	#ifdef USE_XIM
144	im_destroy ();
145	im_ev.stop (display);
146	#endif
147	#ifdef HAVE_SCROLLBARS
148	scrollbar_ev.stop (display);
149	#endif
150	#ifdef MENUBAR
151	menubar_ev.stop (display);
152	#endif
153	}	330	}
154		331
155	check_ev.stop ();	332	flush_ev.stop ();
156	pty_ev.stop ();	333	pty_ev.stop ();
157	#ifdef CURSOR_BLINK	334	#ifdef CURSOR_BLINK
158	cursor_blink_ev.stop ();	335	cursor_blink_ev.stop ();
159	#endif	336	#endif
160	#ifdef TEXT_BLINK	337	#ifdef TEXT_BLINK
161	text_blink_ev.stop ();	338	text_blink_ev.stop ();
162	#endif	339	#endif
		340	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		341	cont_scroll_ev.stop ();
		342	#endif
		343	#ifdef SELECTION_SCROLLING
		344	sel_scroll_ev.stop ();
		345	#endif
163	#ifdef POINTER_BLANK	346	#ifdef POINTER_BLANK
164	pointer_ev.stop ();	347	pointer_ev.stop ();
165	#endif	348	#endif
166		349
167	destroy_ev.start (0);	350	destroy_ev.start ();
168	}	351	}
169		352
170	void	353	void
171	rxvt_term::destroy_cb (time_watcher &w)	354	rxvt_term::destroy_cb (ev::idle &w, int revents)
172	{	355	{
173	SET_R (this);	356	make_current ();
174		357
175	delete this;	358	delete this;
176	}
177
178	/*----------------------------------------------------------------------*/
179	/* rxvt_init() */
180	/* LIBPROTO */
181	rxvt_t
182	rxvt_init (int argc, const char *const *argv)
183	{
184	SET_R (new rxvt_term);
185
186	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
187	{
188	delete GET_R;
189	SET_R (0);
190	}
191
192	return GET_R;
193	}
194
195	static int (*old_xerror_handler)(Display *dpy, XErrorEvent *event);
196
197	void
198	rxvt_init_signals ()
199	{
200	/* install exit handler for cleanup */
201	#if 0
202	#ifdef HAVE_ATEXIT
203	atexit(rxvt_clean_exit);
204	#else
205	#endif
206	#endif
207
208	struct sigaction sa;
209
210	sigfillset (&sa.sa_mask);
211	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
212	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
213	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
214	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
215	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
216	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
217	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
218
219	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
220	/* signal (SIGURG, SIG_DFL); */
221
222	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
223	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
224	}
225
226	bool
227	rxvt_term::init (int argc, const char *const *argv)
228	{
229	/*
230	* Save and then give up any super-user privileges
231	* If we need privileges in any area then we must specifically request it.
232	* We should only need to be root in these cases:
233	* 1. write utmp entries on some systems
234	* 2. chown tty on some systems
235	*/
236	privileges (SAVE);
237	privileges (IGNORE);
238
239	init_secondary ();
240
241	const char **cmd_argv = init_resources (argc, argv);
242
243	set_locale ("");
244
245	#if (MENUBAR_MAX)
246	menubar_read (rs[Rs_menu]);
247	#endif
248	#ifdef HAVE_SCROLLBARS
249	if (Options & Opt_scrollBar)
250	scrollBar.setIdle (); /* set existence for size calculations */
251	#endif
252
253	create_windows (argc, argv);
254
255	init_xlocale ();
256
257	scr_reset (); /* initialize screen */
258	#ifdef RXVT_GRAPHICS
259	Gr_reset (); /* reset graphics */
260	#endif
261
262	#if 0
263	#ifdef DEBUG_X
264	XSynchronize(display->display, True);
265	#endif
266	#endif
267
268	#ifdef HAVE_SCROLLBARS
269	if (Options & Opt_scrollBar)
270	resize_scrollbar (); /* create and map scrollbar */
271	#endif
272	#if (MENUBAR_MAX)
273	if (menubar_visible(r))
274	XMapWindow (display->display, menuBar.win);
275	#endif
276	#ifdef TRANSPARENT
277	if (Options & Opt_transparent)
278	{
279	XSelectInput (display->display, display->root, PropertyChangeMask);
280	check_our_parents ();
281	}
282	#endif
283
284	rootwin_ev.start (display, display->root);
285
286	XMapWindow (display->display, TermWin.vt);
287	XMapWindow (display->display, TermWin.parent[0]);
288
289	init_env ();
290	init_command (cmd_argv);
291
292	pty_ev.start (cmd_fd, EVENT_READ);
293
294	check_ev.start ();
295
296	return true;
297	}
298
299	/* ------------------------------------------------------------------------- *
300	* SIGNAL HANDLING & EXIT HANDLER *
301	* ------------------------------------------------------------------------- */
302	/*
303	* Catch a SIGCHLD signal and exit if the direct child has died
304	*/
305	/* ARGSUSED */
306	/* EXTPROTO */
307	RETSIGTYPE
308	rxvt_Child_signal(int sig __attribute__ ((unused)))
309	{
310	int pid, save_errno = errno;
311	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
312	;
313	errno = save_errno;
314
315	#if 0
316	if (pid == cmd_pid)
317	exit (EXIT_SUCCESS);
318	#endif
319	}
320
321	/*
322	* Catch a fatal signal and tidy up before quitting
323	*/
324	/* EXTPROTO */
325	RETSIGTYPE
326	rxvt_Exit_signal(int sig)
327	{
328	signal (sig, SIG_DFL);
329	#ifdef DEBUG_CMD
330	rxvt_print_error ("signal %d", sig);
331	#endif
332	rxvt_clean_exit();
333	kill (getpid (), sig);
334	}
335
336	/* INTPROTO */
337	int
338	rxvt_xerror_handler (Display *display, XErrorEvent *event)
339	{
340	if (GET_R->allowedxerror == -1)
341	GET_R->allowedxerror = event->error_code;
342	else
343	{
344	old_xerror_handler (display, event);
345	GET_R->destroy ();
346	}
347
348	return 0;
349	}	359	}
350		360
351	/*----------------------------------------------------------------------*/	361	/*----------------------------------------------------------------------*/
352	/*	362	/*
353	* Exit gracefully, clearing the utmp entry and restoring tty attributes	363	* Exit gracefully, clearing the utmp entry and restoring tty attributes
354	* TODO: if debugging, this should free up any known resources if we can	364	* TODO: if debugging, this should free up any known resources if we can
355	*/	365	*/
356	/* EXTPROTO */	366	static XErrorHandler old_xerror_handler;
357	void
358	rxvt_clean_exit ()
359	{
360	// TODO: rxvtd should clean up all ressources
361	if (GET_R)
362	GET_R->destroy ();
363	}
364		367
365	/* ------------------------------------------------------------------------- *	368	static void
366	* MEMORY ALLOCATION WRAPPERS *	369	rxvt_emergency_cleanup ()
367	* ------------------------------------------------------------------------- */
368	/* EXTPROTO */
369	void *
370	rxvt_malloc(size_t size)
371	{	370	{
372	void *p;	371	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
373		372	(*t)->emergency_cleanup ();
374	p = malloc(size);
375	if (p)
376	return p;
377
378	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
379	rxvt_clean_exit();
380	exit(EXIT_FAILURE);
381	/* NOTREACHED */
382	}	373	}
383		374
384	/* EXTPROTO */	375	#if !ENABLE_MINIMAL
385	void *	376	static void
386	rxvt_calloc(size_t number, size_t size)	377	print_x_error (Display *dpy, XErrorEvent *event)
387	{	378	{
388	void *p;	379	char buffer[BUFSIZ];
389		380	char mesg[BUFSIZ];
390	p = calloc(number, size);	381	char number[32];
391	if (p)	382	char *mtype = "XlibMessage";
392	return p;	383	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
393		384	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
394	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	385	rxvt_warn ("An X Error occured, trying to continue after report.\n");
395	rxvt_clean_exit();	386	rxvt_warn ("%s: %s\n", mesg, buffer);
396	exit(EXIT_FAILURE);	387	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
397	/* NOTREACHED */	388	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		389	sprintf(number, "%d", event->request_code);
		390	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		391	rxvt_warn ("(which is %s)\n", buffer);
		392	if (event->request_code >= 128) {
		393	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		394	mesg, BUFSIZ);
		395	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		396	}
		397	if ((event->error_code == BadWindow) ||
		398	(event->error_code == BadPixmap) ||
		399	(event->error_code == BadCursor) ||
		400	(event->error_code == BadFont) ||
		401	(event->error_code == BadDrawable) ||
		402	(event->error_code == BadColor) ||
		403	(event->error_code == BadGC) ||
		404	(event->error_code == BadIDChoice) ||
		405	(event->error_code == BadValue) ||
		406	(event->error_code == BadAtom)) {
		407	if (event->error_code == BadValue)
		408	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		409	mesg, BUFSIZ);
		410	else if (event->error_code == BadAtom)
		411	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		412	mesg, BUFSIZ);
		413	else
		414	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		415	mesg, BUFSIZ);
		416	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		417	}
		418	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		419	mesg, BUFSIZ);
		420	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
398	}	421	}
		422	#endif
399		423
400	/* EXTPROTO */	424	int
401	void *	425	rxvt_xerror_handler (Display *display, XErrorEvent *event)
402	rxvt_realloc(void *ptr, size_t size)
403	{	426	{
404	void *p;	427	if (GET_R->allowedxerror == -1)
405		428	GET_R->allowedxerror = event->error_code;
406	if (ptr)
407	p = realloc(ptr, size);
408	else	429	else
409	p = malloc(size);	430	{
410	if (p)	431	// GET_R is most likely not the terminal which caused the error,
		432	// so just output the error and continue
		433	#if ENABLE_MINIMAL
		434	old_xerror_handler (display, event);
		435	#else
		436	print_x_error (display, event);
		437	#endif
		438	}
		439
411	return p;	440	return 0;
		441	}
412		442
413	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	443	int
414	rxvt_clean_exit();	444	rxvt_xioerror_handler (Display *display)
		445	{
		446	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		447	DisplayString (display));
		448	rxvt_emergency_cleanup ();
415	exit(EXIT_FAILURE);	449	_exit (EXIT_FAILURE);
416	/* NOTREACHED */
417	}	450	}
418		451
419	/* ------------------------------------------------------------------------- *	452	static struct sig_handlers
420	* PRIVILEGED OPERATIONS *
421	* ------------------------------------------------------------------------- */
422	/* take care of suid/sgid super-user (root) privileges */
423	void
424	rxvt_term::privileges (int mode)
425	{	453	{
426	#if ! defined(__CYGWIN32__)	454	ev::sig sw_term, sw_int;
427	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	455
428	/* setreuid() is the poor man's setuid(), seteuid() */	456	/*
429	# define seteuid(a) setreuid(-1, (a))	457	* Catch a fatal signal and tidy up before quitting
430	# define setegid(a) setregid(-1, (a))	458	*/
431	# define HAVE_SETEUID	459	void sig_term (ev::sig &w, int revents);
432	# endif	460
433	# ifdef HAVE_SETEUID	461	sig_handlers ()
434	switch (mode)
435	{	462	{
436	case IGNORE:	463	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
437	/*	464	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
438	* change effective uid/gid - not real uid/gid - so we can switch
439	* back to root later, as required
440	*/
441	seteuid(getuid());
442	setegid(getgid());
443	break;
444	case SAVE:
445	euid = geteuid();
446	egid = getegid();
447	break;
448	case RESTORE:
449	seteuid(euid);
450	setegid(egid);
451	break;
452	}	465	}
453	# else	466	} sig_handlers;
454	switch (mode)
455	{
456	case IGNORE:
457	setuid(getuid());
458	setgid(getgid());
459	/* FALLTHROUGH */
460	case SAVE:
461	/* FALLTHROUGH */
462	case RESTORE:
463	break;
464	}
465	# endif
466	#endif
467	}
468		467
469	#ifdef UTMP_SUPPORT
470	void	468	void
471	rxvt_term::privileged_utmp (char action)	469	sig_handlers::sig_term (ev::sig &w, int revents)
472	{	470	{
473	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",	471	rxvt_emergency_cleanup ();
474	action, next_utmp_action, getpid()));	472	w.stop ();
475	if (next_utmp_action != action || (action != SAVE && action != RESTORE)	473	kill (getpid (), w.signum);
476	|| (Options & Opt_utmpInhibit)
477	|| ttydev == NULL || *ttydev == '\0')
478	return;
479
480	privileges (RESTORE);
481	if (action == SAVE)
482	{
483	next_utmp_action = RESTORE;
484	makeutent (ttydev, rs[Rs_display_name]);
485	}
486	else
487	{ /* action == RESTORE */
488	next_utmp_action = IGNORE;
489	cleanutent ();
490	}
491	privileges (IGNORE);
492	}	474	}
493	#endif
494		475
495	#ifndef NO_SETOWNER_TTYDEV	476	char **rxvt_environ; // startup environment
496	void
497	rxvt_term::privileged_ttydev (char action)
498	{
499	D_MAIN((stderr,
500	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
501	action, next_tty_action, getpid()));
502	if (next_tty_action != action || (action != SAVE && action != RESTORE)
503	|| ttydev == NULL || *ttydev == '\0')
504	return;
505		477
506	privileges (RESTORE);	478	void
		479	rxvt_init ()
		480	{
		481	ptytty::init ();
507		482
508	if (action == SAVE)	483	if (!ev_default_loop (0))
509	{	484	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
510	next_tty_action = RESTORE;
511	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
512	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
513	if (lstat(ttydev, &ttyfd_stat) < 0) /* you lose out */
514	next_tty_action = IGNORE;
515	else
516	# endif
517		485
518	{	486	rxvt_environ = environ;
519	chown(ttydev, getuid(), ttygid); /* fail silently */
520	chmod(ttydev, ttymode);
521	# ifdef HAVE_REVOKE
522	revoke(ttydev);
523	# endif
524		487
525	}	488	signal (SIGHUP, SIG_IGN);
526	}	489	signal (SIGPIPE, SIG_IGN);
527	else
528	{ /* action == RESTORE */
529	next_tty_action = IGNORE;
530	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
531	chmod(ttydev, ttyfd_stat.st_mode);
532	chown(ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
533	# else
534	chmod(ttydev,
535	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
536	chown(ttydev, 0, 0);
537	# endif
538		490
539	}	491	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		492	sig_handlers.sw_int.start (SIGINT); ev_unref ();
540		493
541	privileges (IGNORE);	494	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		495	/* signal (SIGURG, SIG_DFL); */
542		496
543	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	497	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
544	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	498	// TODO: handle this with exceptions and tolerate the memory loss
545	action == RESTORE ? "Restoring" : (action ==	499	XSetIOErrorHandler (rxvt_xioerror_handler);
546	SAVE ? "Saving" :	500
547	"UNKNOWN ERROR for"), ttydev,	501	XrmInitialize ();
548	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
549	ttyfd_stat.st_gid));
550	# endif
551	}	502	}
552	#endif
553		503
554	/*----------------------------------------------------------------------*/	504	/*----------------------------------------------------------------------*/
555	/*	505	/*
556	* window size/position calculcations for XSizeHint and other storage.	506	* window size/position calculations for XSizeHint and other storage.
557	* if width/height are non-zero then override calculated width/height	507	* if width/height are non-zero then override calculated width/height
558	*/	508	*/
559	void	509	void
560	rxvt_term::window_calc (unsigned int width, unsigned int height)	510	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
561	{	511	{
562	short recalc_x, recalc_y;	512	short recalc_x, recalc_y;
563	int x, y, sb_w, mb_h, flags;	513	int x, y, flags;
564	unsigned int w, h;	514	unsigned int w, h;
565	unsigned int max_width, max_height;	515	unsigned int max_width, max_height;
566		516
567	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
568	TermWin.ncol, TermWin.nrow, szHint.width,
569	szHint.height));
570	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	517	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
571	szHint.win_gravity = NorthWestGravity;	518	szHint.win_gravity = NorthWestGravity;
572	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	519	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
573		520
574	recalc_x = recalc_y = 0;	521	recalc_x = recalc_y = 0;
575	flags = 0;	522	flags = 0;
		523
576	if (!parsed_geometry)	524	if (!parsed_geometry)
577	{	525	{
578	parsed_geometry = 1;	526	parsed_geometry = 1;
		527
579	if (rs[Rs_geometry])	528	if (rs[Rs_geometry])
580	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	529	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		530
581	if (flags & WidthValue)	531	if (flags & WidthValue)
582	{	532	{
583	TermWin.ncol = BOUND_POSITIVE_INT16(w);	533	if (!w)
		534	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		535
		536	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
584	szHint.flags |= USSize;	537	szHint.flags |= USSize;
585	}	538	}
		539
586	if (flags & HeightValue)	540	if (flags & HeightValue)
587	{	541	{
588	TermWin.nrow = BOUND_POSITIVE_INT16(h);	542	if (!h)
		543	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		544
		545	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
589	szHint.flags |= USSize;	546	szHint.flags |= USSize;
590	}	547	}
		548
591	if (flags & XValue)	549	if (flags & XValue)
592	{	550	{
593	szHint.x = x;	551	szHint.x = x;
594	szHint.flags |= USPosition;	552	szHint.flags |= USPosition;
		553
595	if (flags & XNegative)	554	if (flags & XNegative)
596	{	555	{
597	recalc_x = 1;	556	recalc_x = 1;
598	szHint.win_gravity = NorthEastGravity;	557	szHint.win_gravity = NorthEastGravity;
599	}	558	}
600	}	559	}
		560
601	if (flags & YValue)	561	if (flags & YValue)
602	{	562	{
603	szHint.y = y;	563	szHint.y = y;
604	szHint.flags |= USPosition;	564	szHint.flags |= USPosition;
		565
605	if (flags & YNegative)	566	if (flags & YNegative)
606	{	567	{
607	recalc_y = 1;	568	recalc_y = 1;
		569
608	if (szHint.win_gravity == NorthEastGravity)	570	if (szHint.win_gravity == NorthEastGravity)
609	szHint.win_gravity = SouthEastGravity;	571	szHint.win_gravity = SouthEastGravity;
610	else	572	else
611	szHint.win_gravity = SouthWestGravity;	573	szHint.win_gravity = SouthWestGravity;
612	}	574	}
613	}	575	}
614	}	576	}
		577
615	/* TODO: BOUNDS */	578	/* TODO: BOUNDS */
616	TermWin.width = TermWin.ncol * TermWin.fwidth;	579	width = ncol * fwidth;
617	TermWin.height = TermWin.nrow * TermWin.fheight;	580	height = nrow * fheight;
618	max_width = MAX_COLS * TermWin.fwidth;	581	max_width = MAX_COLS * fwidth;
619	max_height = MAX_ROWS * TermWin.fheight;	582	max_height = MAX_ROWS * fheight;
620		583
621	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	584	szHint.base_width = szHint.base_height = 2 * int_bwidth;
622		585
623	sb_w = mb_h = 0;
624	window_vt_x = window_vt_y = 0;	586	window_vt_x = window_vt_y = int_bwidth;
625	if (scrollbar_visible ())	587
		588	if (scrollBar.state)
626	{	589	{
627	sb_w = scrollbar_TotalWidth();	590	int sb_w = scrollBar.total_width ();
628	szHint.base_width += sb_w;	591	szHint.base_width += sb_w;
		592
629	if (!(Options & Opt_scrollBar_right))	593	if (!option (Opt_scrollBar_right))
630	window_vt_x = sb_w;	594	window_vt_x += sb_w;
631	}
632	if (menubar_visible ())
633	{	595	}
634	mb_h = menuBar_TotalHeight();	596
635	szHint.base_height += mb_h;
636	window_vt_y = mb_h;
637	}
638	szHint.width_inc = TermWin.fwidth;	597	szHint.width_inc = fwidth;
639	szHint.height_inc = TermWin.fheight;	598	szHint.height_inc = fheight;
640	szHint.min_width = szHint.base_width + szHint.width_inc;	599	szHint.min_width = szHint.base_width + szHint.width_inc;
641	szHint.min_height = szHint.base_height + szHint.height_inc;	600	szHint.min_height = szHint.base_height + szHint.height_inc;
642		601
643	if (width && width - szHint.base_width < max_width)	602	if (newwidth && newwidth - szHint.base_width < max_width)
644	{	603	{
645	szHint.width = width;	604	szHint.width = newwidth;
646	TermWin.width = width - szHint.base_width;	605	width = newwidth - szHint.base_width;
647	}	606	}
648	else	607	else
649	{	608	{
650	MIN_IT(TermWin.width, max_width);	609	min_it (width, max_width);
651	szHint.width = szHint.base_width + TermWin.width;	610	szHint.width = szHint.base_width + width;
652	}	611	}
		612
653	if (height && height - szHint.base_height < max_height)	613	if (newheight && newheight - szHint.base_height < max_height)
654	{	614	{
655	szHint.height = height;	615	szHint.height = newheight;
656	TermWin.height = height - szHint.base_height;	616	height = newheight - szHint.base_height;
657	}	617	}
658	else	618	else
659	{	619	{
660	MIN_IT(TermWin.height, max_height);	620	min_it (height, max_height);
661	szHint.height = szHint.base_height + TermWin.height;	621	szHint.height = szHint.base_height + height;
662	}	622	}
663	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
664	window_sb_x = szHint.width - sb_w;
665		623
666	if (recalc_x)	624	if (recalc_x)
667	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	625	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
668	- szHint.width - 2 * TermWin.ext_bwidth);	626
669	if (recalc_y)	627	if (recalc_y)
670	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	628	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
671	- szHint.height - 2 * TermWin.ext_bwidth);
672		629
673	TermWin.ncol = TermWin.width / TermWin.fwidth;	630	ncol = width / fwidth;
674	TermWin.nrow = TermWin.height / TermWin.fheight;	631	nrow = height / fheight;
675	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
676	TermWin.ncol, TermWin.nrow, szHint.width,
677	szHint.height));
678	return;
679	}	632	}
680		633
681	/*----------------------------------------------------------------------*/	634	/*----------------------------------------------------------------------*/
682	/*	635	/*
683	* Tell the teletype handler what size the window is.	636	* Tell the teletype handler what size the window is.
684	* Called after a window size change.	637	* Called after a window size change.
685	*/	638	*/
686	void	639	void
687	rxvt_term::tt_winch ()	640	rxvt_term::tt_winch ()
688	{	641	{
		642	if (pty->pty < 0)
		643	return;
		644
689	struct winsize ws;	645	struct winsize ws;
690		646
691	if (cmd_fd < 0)
692	return;
693
694	ws.ws_col = TermWin.ncol;	647	ws.ws_col = ncol;
695	ws.ws_row = TermWin.nrow;	648	ws.ws_row = nrow;
696	ws.ws_xpixel = ws.ws_ypixel = 0;	649	ws.ws_xpixel = width;
697	#ifndef DEBUG_SIZE	650	ws.ws_ypixel = height;
698	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	651	ioctl (pty->pty, TIOCSWINSZ, &ws);
699	#else	652
700	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	653	#if 0
701	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	654	// TIOCSWINSZ is supposed to do this automatically and correctly
702	# ifdef SIGWINCH
703	else if (cmd_pid) /* force through to the command */	655	if (cmd_pid) /* force through to the command */
704	kill (cmd_pid, SIGWINCH);	656	kill (-cmd_pid, SIGWINCH);
705	# endif
706	#endif	657	#endif
707	}	658	}
708		659
709	/*----------------------------------------------------------------------*/	660	/*----------------------------------------------------------------------*/
710	/* rxvt_change_font() - Switch to a new font */	661	/* set_fonts () - load and set the various fonts
711	/*	662	*
712	* init = 1 - initialize	663	* init = 1 - initialize
713	*	664	*
714	* fontname == FONT_UP - switch to bigger font	665	* fontname == FONT_UP - switch to bigger font
715	* fontname == FONT_DN - switch to smaller font	666	* fontname == FONT_DN - switch to smaller font
716	*/	667	*/
717	void	668	bool
718	rxvt_term::change_font (int init, const char *fontname)	669	rxvt_term::set_fonts ()
719	{}	670	{
		671	rxvt_fontset *fs = new rxvt_fontset (this);
		672	rxvt_fontprop prop;
720		673
		674	if (!fs
		675	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		676	|| !fs->realize_font (1))
		677	{
		678	delete fs;
		679	return false;
		680	}
		681
		682	#if ENABLE_STYLES
		683	for (int i = RS_styleCount; --i; )
		684	if (fontset[i] != fontset[0])
		685	delete fontset[i];
		686	#endif
		687
		688	delete fontset[0];
		689	fontset[0] = fs;
		690
		691	prop = (*fs)[1]->properties ();
		692	prop.height += lineSpace;
		693	prop.width += letterSpace;
		694
		695	fs->set_prop (prop, false);
		696
		697	fwidth = prop.width;
		698	fheight = prop.height;
		699	fbase = prop.ascent;
		700
		701	for (int style = 1; style < 4; style++)
		702	{
		703	#if ENABLE_STYLES
		704	const char *res = rs[Rs_font + style];
		705
		706	if (res && !*res)
		707	fontset[style] = fontset[0];
		708	else
		709	{
		710	fontset[style] = fs = new rxvt_fontset (this);
		711	rxvt_fontprop prop2 = prop;
		712
		713	if (res)
		714	{
		715	fs->populate (res);
		716	fs->set_prop (prop2, false);
		717	}
		718	else
		719	{
		720	fs->populate (fontset[0]->fontdesc);
		721
		722	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		723	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		724
		725	fs->set_prop (prop2, true);
		726	}
		727
		728	}
		729	#else
		730	fontset[style] = fontset[0];
		731	#endif
		732	}
		733
		734	if (parent[0])
		735	{
		736	resize_all_windows (0, 0, 0);
		737	scr_remap_chars ();
		738	scr_touch (true);
		739	}
		740
		741	return true;
		742	}
		743
721	void	744	void
722	rxvt_term::font_up_down (int n, int direction)	745	rxvt_term::set_string_property (Atom prop, const char *str, int len)
723	{}	746	{
		747	XChangeProperty (dpy, parent[0],
		748	prop, XA_STRING, 8, PropModeReplace,
		749	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		750	}
		751
		752	void
		753	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		754	{
		755	wchar_t *ws = rxvt_mbstowcs (str, len);
		756	char *s = rxvt_wcstoutf8 (ws);
		757
		758	XChangeProperty (dpy, parent[0],
		759	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		760	(const unsigned char *)s, strlen (s));
		761
		762	free (s);
		763	free (ws);
		764	}
724		765
725	/*----------------------------------------------------------------------*/	766	/*----------------------------------------------------------------------*/
726	/*----------------------------------------------------------------------*/	767	/*----------------------------------------------------------------------*/
727	/* xterm sequences - title, iconName, color (exptl) */	768	/* xterm sequences - title, iconName, color (exptl) */
728	void	769	void
729	rxvt_term::set_title (const char *str)	770	rxvt_term::set_title (const char *str)
730	{	771	{
731	#ifndef SMART_WINDOW_TITLE	772	set_string_property (XA_WM_NAME, str);
732	XStoreName(display->display, TermWin.parent[0], str);	773	#if ENABLE_EWMH
733	#else	774	set_utf8_property (xa[XA_NET_WM_NAME], str);
734	char *name;
735
736	if (XFetchName(display->display, TermWin.parent[0], &name) == 0)
737	name = NULL;
738	if (name == NULL || STRCMP(name, str))
739	XStoreName(display->display, TermWin.parent[0], str);
740	if (name)
741	XFree(name);
742	#endif	775	#endif
743	}	776	}
744		777
745	void	778	void
746	rxvt_term::set_iconName (const char *str)	779	rxvt_term::set_icon_name (const char *str)
747	{	780	{
748	#ifndef SMART_WINDOW_TITLE	781	set_string_property (XA_WM_ICON_NAME, str);
749	XSetIconName(display->display, TermWin.parent[0], str);	782	#if ENABLE_EWMH
750	#else	783	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
751	char *name;
752
753	if (XGetIconName(display->display, TermWin.parent[0], &name))
754	name = NULL;
755	if (name == NULL || STRCMP(name, str))
756	XSetIconName(display->display, TermWin.parent[0], str);
757	if (name)
758	XFree(name);
759	#endif	784	#endif
760	}	785	}
761		786
		787	void
		788	rxvt_term::set_window_color (int idx, const char *color)
		789	{
762	#ifdef XTERM_COLOR_CHANGE	790	#ifdef XTERM_COLOR_CHANGE
763	void
764	rxvt_term::set_window_color (int idx, const char *color)
765	{
766	rxvt_color xcol;	791	rxvt_color xcol;
767	int i;
768		792
769	if (color == NULL || *color == '\0')	793	if (color == NULL || *color == '\0')
770	return;	794	return;
771		795
		796	color = strdup (color);
		797	allocated.push_back ((void *)color);
		798	rs[Rs_color + idx] = color;
		799
772	/* handle color aliases */	800	/* handle color aliases */
773	if (isdigit(*color))	801	if (isdigit (*color))
774	{	802	{
775	i = atoi(color);	803	int i = atoi (color);
		804
776	if (i >= 8 && i <= 15)	805	if (i >= 8 && i <= 15)
		806	{
777	{ /* bright colors */	807	/* bright colors */
778	i -= 8;
779	# ifndef NO_BRIGHTCOLOR
780	PixColors[idx] = PixColors[minBrightCOLOR + i];	808	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
781	SET_PIXCOLOR(idx);
782	goto Done;	809	goto done;
783	# endif
784
785	}	810	}
		811
786	if (i >= 0 && i <= 7)	812	if (i >= 0 && i <= 7)
		813	{
787	{ /* normal colors */	814	/* normal colors */
788	PixColors[idx] = PixColors[minCOLOR + i];	815	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
789	SET_PIXCOLOR(idx);
790	goto Done;	816	goto done;
791	}	817	}
792	}	818	}
793	if (!rXParseAllocColor (& xcol, color))	819
794	return;	820	set_color (xcol, color);
795	/* XStoreColor (display->display, XCMAP, XColor*); */
796		821
797	/*	822	/*
798	* FIXME: should free colors here, but no idea how to do it so instead,	823	* FIXME: should free colors here, but no idea how to do it so instead,
799	* so just keep gobbling up the colormap	824	* so just keep gobbling up the colormap
800	*/	825	*/
801	# if 0
802	for (i = Color_Black; i <= Color_White; i++)
803	if (PixColors[idx] == PixColors[i])
804	break;
805	if (i > Color_White)
806	{
807	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
808	XFreeColors(display->display, XCMAP, (PixColors + idx), 1,
809	DisplayPlanes(display->display, display->screen));
810	}
811	# endif
812		826
813	PixColors[idx] = xcol;	827	pix_colors_focused[idx] = xcol;
814	SET_PIXCOLOR(idx);
815		828
816	/* XSetWindowAttributes attr; */
817	/* Cursor cursor; */
818	Done:	829	done:
819	if (idx == Color_bg && !(Options & Opt_transparent))
820	XSetWindowBackground(display->display, TermWin.vt,
821	PixColors[Color_bg]);
822
823	/* handle Color_BD, scrollbar background, etc. */	830	/*TODO: handle Color_BD, scrollbar background, etc. */
824		831
825	set_colorfgbg ();	832	update_fade_color (idx);
826	recolour_cursor ();	833	recolour_cursor ();
827	/* the only reasonable way to enforce a clean update */	834	scr_recolour ();
828	scr_poweron ();	835	#endif /* XTERM_COLOR_CHANGE */
829	}	836	}
830
831	#else
832	# define set_window_color (idx,color) ((void)0)
833	#endif /* XTERM_COLOR_CHANGE */
834		837
835	void	838	void
836	rxvt_term::recolour_cursor ()	839	rxvt_term::recolour_cursor ()
837	{	840	{
838	#if TODO	841	XColor fg, bg;
839	rxvt_color xcol[2];
840		842
841	xcol[0] = PixColors[Color_pointer];	843	(ISSET_PIXCOLOR (Color_pointer_fg)
842	xcol[1] = PixColors[Color_bg];	844	? pix_colors_focused[Color_pointer_fg]
843	XQueryColors (display->display, XCMAP, xcol, 2);	845	: pix_colors_focused[Color_fg]).get (fg);
844	XRecolorCursor (display->display, TermWin_cursor, &(xcol[0]), &(xcol[1]));	846
845	#endif	847	(ISSET_PIXCOLOR (Color_pointer_bg)
		848	? pix_colors_focused[Color_pointer_bg]
		849	: pix_colors_focused[Color_bg]).get (bg);
		850
		851	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
846	}	852	}
847		853
848	/*----------------------------------------------------------------------*/	854	/*----------------------------------------------------------------------*/
849	/*	855	/*
850	* find if fg/bg matches any of the normal (low-intensity) colors	856	* find if fg/bg matches any of the normal (low-intensity) colors
851	*/	857	*/
852	void	858	void
853	rxvt_term::set_colorfgbg ()	859	rxvt_term::set_colorfgbg ()
854	{	860	{
855	unsigned int i;	861	unsigned int i;
856	const char *xpmb = "\0";	862	const char *xpmb = "";
857	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	863	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
858		864
859	env_colorfgbg =
860	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
861	STRCPY(fstr, "default");	865	strcpy (fstr, "default");
862	STRCPY(bstr, "default");	866	strcpy (bstr, "default");
863	for (i = Color_Black; i <= Color_White; i++)	867	for (i = Color_Black; i <= Color_White; i++)
864	if (PixColors[Color_fg] == PixColors[i])	868	if (pix_colors[Color_fg] == pix_colors[i])
865	{	869	{
866	sprintf(fstr, "%d", (i - Color_Black));	870	sprintf (fstr, "%d", (i - Color_Black));
867	break;	871	break;
868	}	872	}
		873
869	for (i = Color_Black; i <= Color_White; i++)	874	for (i = Color_Black; i <= Color_White; i++)
870	if (PixColors[Color_bg] == PixColors[i])	875	if (pix_colors[Color_bg] == pix_colors[i])
871	{	876	{
872	sprintf(bstr, "%d", (i - Color_Black));	877	sprintf (bstr, "%d", (i - Color_Black));
873	#ifdef XPM_BACKGROUND	878	#ifdef BG_IMAGE_FROM_FILE
874	xpmb = "default;";	879	xpmb = "default;";
875	#endif	880	#endif
876	break;	881	break;
877	}	882	}
		883
878	sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	884	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
879	putenv(env_colorfgbg);
880
881	#ifndef NO_BRIGHTCOLOR
882	colorfgbg = DEFAULT_RSTYLE;
883	for (i = minCOLOR; i <= maxCOLOR; i++)
884	{
885	if (PixColors[Color_fg] == PixColors[i])
886	colorfgbg = SET_FGCOLOR(colorfgbg, i);
887	if (PixColors[Color_bg] == PixColors[i])
888	colorfgbg = SET_BGCOLOR(colorfgbg, i);
889	}
890	#endif
891	}	885	}
892		886
893	/*----------------------------------------------------------------------*/	887	/*----------------------------------------------------------------------*/
894	/*
895	* Colour determination for low colour displays, routine from
896	* Hans de Goede <hans@highrise.nl>
897	*/
898		888
899	int	889	bool
900	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	890	rxvt_term::set_color (rxvt_color &color, const char *name)
901	{	891	{
902	if (!screen_in_out->set (display, colour))	892	if (color.set (this, name))
903	{
904	rxvt_print_error("can't allocate colour: %s", colour);
905	return false;
906	}
907
908	return true;	893	return true;
		894
		895	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		896	return false;
		897	}
		898
		899	void
		900	rxvt_term::alias_color (int dst, int src)
		901	{
		902	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
909	}	903	}
910		904
911	/* -------------------------------------------------------------------- *	905	/* -------------------------------------------------------------------- *
912	* - WINDOW RESIZING - *	906	* - WINDOW RESIZING - *
913	* -------------------------------------------------------------------- */	907	* -------------------------------------------------------------------- */
914	void	908	void
915	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	909	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
916	{	910	{
917	int fix_screen;	911	int fix_screen;
		912	int old_width = szHint.width;
		913	int old_height = szHint.height;
918		914
919	#ifdef SMART_RESIZE
920	int old_width = szHint.width, old_height = szHint.height;
921	#endif
922
923	window_calc (width, height);	915	window_calc (newwidth, newheight);
		916
		917	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		918
		919	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		920	if (set_hint)
		921	{
		922	szHint.flags &= ~(PBaseSize | PResizeInc);
924	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	923	XSetWMNormalHints (dpy, parent[0], &szHint);
		924	szHint.flags |= PBaseSize | PResizeInc;
		925	}
		926
925	if (!ignoreparent)	927	if (!ignoreparent)
926	{	928	{
927	#ifdef SMART_RESIZE	929	#ifdef SMART_RESIZE
928	/*	930	/*
929	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	931	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
932	int x, y, x1, y1;	934	int x, y, x1, y1;
933	int dx, dy;	935	int dx, dy;
934	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	936	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
935	Window unused_cr;	937	Window unused_cr;
936		938
937	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	939	XTranslateCoordinates (dpy, parent[0], display->root,
938	0, 0, &x, &y, &unused_cr);	940	0, 0, &x, &y, &unused_cr);
939	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	941	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
940	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	942	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
941	/*	943	/*
942	* if display->root isn't the parent window, a WM will probably have offset	944	* if display->root isn't the parent window, a WM will probably have offset
943	* our position for handles and decorations. Counter it	945	* our position for handles and decorations. Counter it
944	*/	946	*/
…		…
946	{	948	{
947	x -= x1;	949	x -= x1;
948	y -= y1;	950	y -= y1;
949	}	951	}
950		952
951	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	953	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
952	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	954	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
953	dx = old_width - szHint.width;	955	dx = old_width - szHint.width;
954	dy = old_height - szHint.height;	956	dy = old_height - szHint.height;
955		957
956	/* Check position of the center of the window */	958	/* Check position of the center of the window */
957	if (x < x1) /* left half */	959	if (x < x1) /* left half */
958	dx = 0;	960	dx = 0;
…		…
961	if (y < y1) /* top half */	963	if (y < y1) /* top half */
962	dy = 0;	964	dy = 0;
963	else if (y == y1) /* exact center */	965	else if (y == y1) /* exact center */
964	dy /= 2;	966	dy /= 2;
965		967
966	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	968	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
967	szHint.width, szHint.height);	969	szHint.width, szHint.height);
968	#else	970	#else
969	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	971	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
970	szHint.height);
971	#endif	972	#endif
972
973	}	973	}
974		974
975	fix_screen = (TermWin.ncol != prev_ncol	975	if (set_hint)
976	|| TermWin.nrow != prev_nrow);	976	XSetWMNormalHints (dpy, parent[0], &szHint);
977		977
		978	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		979
978	if (fix_screen || width != old_width || height != old_height)	980	if (fix_screen || newwidth != old_width || newheight != old_height)
979	{	981	{
980	if (scrollbar_visible ())	982	if (scrollBar.state)
981	{	983	scrollBar.resize ();
982	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
983	0, scrollbar_TotalWidth (), szHint.height);
984	resize_scrollbar ();
985	}
986		984
987	if (menubar_visible ())	985	XMoveResizeWindow (dpy, vt,
988	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	986	window_vt_x, window_vt_y,
989	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
990
991	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
992	window_vt_y, TermWin_TotalWidth (),
993	TermWin_TotalHeight ());	987	width, height);
994	#ifdef RXVT_GRAPHICS
995	if (old_height)
996	Gr_Resize (old_width - szHint.base_width,
997	old_height - szHint.base_height);
998	#endif
999	scr_clear ();
1000	#ifdef XPM_BACKGROUND
1001	resize_pixmap ();
1002	#endif
1003		988
		989	#ifdef HAVE_BG_PIXMAP
		990	if (bgPixmap.window_size_sensitive ())
		991	update_background ();
		992	#endif
1004	}	993	}
1005		994
1006	if (fix_screen || old_height == 0)	995	if (fix_screen || old_height == 0)
1007	{
1008	int curr_screen = -1;
1009	int old_ncol = prev_ncol;
1010
1011	/* scr_reset only works on the primary screen */
1012	if (old_height) /* this is not the first time through */
1013	{
1014	unsigned int ncol = TermWin.ncol;
1015	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1016	curr_screen = scr_change_screen (PRIMARY);
1017	TermWin.ncol = ncol;
1018	}
1019
1020	scr_reset();	996	scr_reset ();
1021		997
1022	if (curr_screen >= 0) /* this is not the first time through */	998	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1023	{	999	//scr_touch (false);
1024	scr_change_screen (curr_screen);
1025	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1026	}
1027	}
1028		1000
1029	old_width = szHint.width;	1001	#ifdef HAVE_BG_PIXMAP
1030	old_height = szHint.height;	1002	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1003	// if (bgPixmap.pixmap)
		1004	// scr_touch (false);
		1005	#endif
1031		1006
1032	#ifdef USE_XIM	1007	#ifdef USE_XIM
1033	IMSetStatusPosition ();	1008	IMSetPosition ();
1034	#endif	1009	#endif
1035	}	1010	}
1036		1011
1037	/*	1012	/*
1038	* Set the width/height of the vt window in characters. Units are pixels.	1013	* Set the width/height of the vt window in characters. Units are pixels.
1039	* good for toggling 80/132 columns	1014	* good for toggling 80/132 columns
1040	*/	1015	*/
1041	void	1016	void
1042	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1017	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1043	{	1018	{
1044	XWindowAttributes wattr;	1019	XWindowAttributes wattr;
1045		1020
1046	if (width == 0 || height == 0)	1021	if (newwidth == 0 || newheight == 0)
1047	{	1022	{
1048	XGetWindowAttributes(display->display, display->root, &wattr);	1023	XGetWindowAttributes (dpy, display->root, &wattr);
		1024
1049	if (width == 0)	1025	if (newwidth == 0)
1050	width = wattr.width - szHint.base_width;	1026	newwidth = wattr.width - szHint.base_width;
1051	if (height == 0)	1027	if (newheight == 0)
1052	height = wattr.height - szHint.base_height;	1028	newheight = wattr.height - szHint.base_height;
1053	}
1054	if (width != TermWin.width || height != TermWin.height)
1055	{	1029	}
		1030
		1031	if (newwidth != width || newheight != height)
		1032	{
1056	width += szHint.base_width;	1033	newwidth += szHint.base_width;
1057	height += szHint.base_height;	1034	newheight += szHint.base_height;
1058	resize_all_windows (width, height, 0);	1035	resize_all_windows (newwidth, newheight, 0);
1059	}	1036	}
1060	}	1037	}
1061		1038
1062	/* -------------------------------------------------------------------- *	1039	/* -------------------------------------------------------------------- *
1063	* - X INPUT METHOD ROUTINES - *	1040	* - X INPUT METHOD ROUTINES - *
1064	* -------------------------------------------------------------------- */	1041	* -------------------------------------------------------------------- */
1065	#ifdef USE_XIM	1042	#ifdef USE_XIM
1066		1043
1067	void	1044	void
		1045	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1046	{
		1047	fg = pix_colors [Color_fg];
		1048	bg = pix_colors [Color_bg];
		1049	}
		1050
		1051	void
1068	rxvt_term::im_set_size (XRectangle *size)	1052	rxvt_term::im_set_size (XRectangle &size)
1069	{	1053	{
1070	size->x = TermWin.int_bwidth;	1054	// the int_bwidth terms make no sense to me
1071	size->y = TermWin.int_bwidth;	1055	size.x = int_bwidth;
1072	size->width = Width2Pixel(TermWin.ncol);	1056	size.y = int_bwidth;
1073	size->height = Height2Pixel(TermWin.nrow);	1057	size.width = Width2Pixel (ncol) + int_bwidth;
		1058	size.height = Height2Pixel (nrow) + int_bwidth;
1074	}	1059	}
1075		1060
1076	void	1061	void
1077	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1062	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1063	XRectangle &status_rect,
		1064	const XRectangle &needed_rect)
1078	{	1065	{
1079	*fg = PixColors[Color_fg];	1066	preedit_rect.x = needed_rect.width;
1080	*bg = PixColors[Color_bg];	1067	preedit_rect.y = 0;
		1068	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1069	preedit_rect.height = fheight;
		1070
		1071	status_rect.x = 0;
		1072	status_rect.y = 0;
		1073	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1074	status_rect.height = fheight;
1081	}	1075	}
1082		1076
1083	/* Checking whether input method is running. */	1077	/* Checking whether input method is running. */
1084	bool	1078	bool
1085	rxvt_term::IMisRunning ()	1079	rxvt_term::IMisRunning ()
1086	{	1080	{
1087	char *p;	1081	Atom atom;
1088	Atom atom;	1082	Window win;
1089	Window win;
1090	char server[IMBUFSIZ];	1083	char server[IMBUFSIZ];
1091		1084
1092	/* get current locale modifier */	1085	/* get current locale modifier */
1093	if ((p = XSetLocaleModifiers(NULL)) != NULL)	1086	if (char *p = XSetLocaleModifiers (0))
1094	{	1087	{
1095	STRCPY(server, "@server=");	1088	strcpy (server, "@server=");
1096	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1089	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1090
1097	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1091	if (p = strchr (server + 1, '@')) /* first one only */
1098	*p = '\0';	1092	*p = '\0';
1099		1093
1100	atom = XInternAtom(display->display, server, False);	1094	atom = XInternAtom (dpy, server, False);
1101	win = XGetSelectionOwner(display->display, atom);	1095	win = XGetSelectionOwner (dpy, atom);
		1096
1102	if (win != None)	1097	if (win != None)
1103	return True;	1098	return True;
1104	}	1099	}
		1100
1105	return False;	1101	return False;
1106	}	1102	}
1107		1103
1108	void	1104	void
1109	rxvt_term::IMSendSpot ()	1105	rxvt_term::IMSendSpot ()
1110	{	1106	{
1111	XPoint spot;	1107	XPoint nspot;
1112	XVaNestedList preedit_attr;	1108	XVaNestedList preedit_attr;
1113		1109
1114	if (Input_Context == NULL	1110	if (!Input_Context
1115	|| !TermWin.focus || !(input_style & XIMPreeditPosition)	1111	|| !focus
1116	|| !(event_type == KeyPress	1112	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1117	|| event_type == Expose
1118	|| event_type == NoExpose
1119	|| event_type == SelectionNotify
1120	|| event_type == ButtonRelease || event_type == FocusIn)
1121	|| !IMisRunning ())
1122	return;	1113	return;
1123		1114
1124	im_set_position (&spot);	1115	im_set_position (nspot);
1125		1116
		1117	if (nspot.x == spot.x && nspot.y == spot.y)
		1118	return;
		1119
		1120	spot = nspot;
		1121
1126	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1122	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1127	XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1123	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1128	XFree(preedit_attr);	1124	XFree (preedit_attr);
1129	}
1130
1131	void
1132	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1133	XRectangle * needed_rect)
1134	{
1135	int mbh, vtx = 0;
1136
1137	if (scrollbar_visible () && !(Options & Opt_scrollBar_right))
1138	vtx = scrollbar_TotalWidth();
1139
1140	mbh = menubar_visible () ? menuBar_TotalHeight() : 0;
1141	mbh -= TermWin.lineSpace;
1142
1143	preedit_rect->x = needed_rect->width + vtx;
1144	preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1145
1146	preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1147	preedit_rect->height = Height2Pixel(1);
1148
1149	status_rect->x = vtx;
1150	status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1151
1152	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1153	status_rect->height = Height2Pixel(1);
1154	}	1125	}
1155		1126
1156	void	1127	void
1157	rxvt_term::im_destroy ()	1128	rxvt_term::im_destroy ()
1158	{	1129	{
1159	if (Input_Context)
1160	{
1161	XDestroyIC (Input_Context);
1162	Input_Context = NULL;
1163	}
1164
1165	if (input_method)	1130	if (input_method)
1166	{	1131	{
		1132	if (Input_Context && input_method->xim)
		1133	XDestroyIC (Input_Context);
		1134
1167	display->put_xim (input_method);	1135	display->put_xim (input_method);
1168	input_method = 0;	1136	input_method = 0;
1169	}	1137	}
		1138
		1139	Input_Context = 0;
1170	}	1140	}
		1141
		1142	#ifdef ENABLE_XIM_ONTHESPOT
		1143
		1144	static void
		1145	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1146	{
		1147	((rxvt_term *)client_data)->make_current ();
		1148	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1149	}
		1150
		1151	static void
		1152	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1153	{
		1154	((rxvt_term *)client_data)->make_current ();
		1155	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1156	}
		1157
		1158	static void
		1159	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1160	{
		1161	rxvt_term *term = (rxvt_term *)client_data;
		1162	XIMText *text = call_data->text;
		1163
		1164	term->make_current ();
		1165
		1166	if (text)
		1167	{
		1168	void *str;
		1169
		1170	if (!text->encoding_is_wchar && text->string.multi_byte)
		1171	{
		1172	// of course, X makes it ugly again
		1173	if (term->rs[Rs_imLocale])
		1174	SET_LOCALE (term->rs[Rs_imLocale]);
		1175
		1176	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1177	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1178
		1179	if (term->rs[Rs_imLocale])
		1180	SET_LOCALE (term->locale);
		1181	}
		1182	else
		1183	str = (void *)text->string.wide_char;
		1184
		1185	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1186	DT_INT, call_data->caret,
		1187	DT_INT, call_data->chg_first,
		1188	DT_INT, call_data->chg_length,
		1189	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1190	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1191	DT_END));
		1192	}
		1193	else
		1194	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1195	DT_INT, call_data->caret,
		1196	DT_INT, call_data->chg_first,
		1197	DT_INT, call_data->chg_length,
		1198	DT_END));
		1199	}
		1200
		1201	#if 0
		1202	static void
		1203	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1204	{
		1205	((rxvt_term *)client_data)->make_current ();
		1206	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1207	DT_INT, call_data->position,
		1208	DT_INT, call_data->direction,
		1209	DT_INT, call_data->style,
		1210	DT_END));
		1211	}
		1212	#endif
		1213
		1214	#endif
1171		1215
1172	/*	1216	/*
1173	* Try to open a XIM with the current modifiers, then see if we can	1217	* Try to open a XIM with the current modifiers, then see if we can
1174	* open a suitable preedit type	1218	* open a suitable preedit type
1175	*/	1219	*/
1176	bool	1220	bool
1177	rxvt_term::IM_get_IC (const char *modifiers)	1221	rxvt_term::IM_get_IC (const char *modifiers)
1178	{	1222	{
1179	int i, j, found;	1223	int i, j, found;
1180	XIM xim;	1224	XIM xim;
1181	XPoint spot;	1225	XPoint spot;
1182	XRectangle rect, status_rect, needed_rect;	1226	XRectangle rect, status_rect, needed_rect;
1183	unsigned long fg, bg;	1227	unsigned long fg, bg;
1184	const char *p;	1228	const char *p;
1185	char **s;	1229	char **s;
1186	XIMStyles *xim_styles;	1230	XIMStyles *xim_styles;
1187	XVaNestedList preedit_attr, status_attr;	1231	#ifdef ENABLE_XIM_ONTHESPOT
		1232	XIMCallback xcb[4];
		1233	#endif
1188		1234
		1235	set_environ (envv);
		1236
1189	if (!((p = XSetLocaleModifiers (modifiers)) && *p))	1237	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1190	return false;	1238	return false;
1191		1239
1192	D_MAIN((stderr, "rxvt_IM_get_IC()"));
1193	input_method = display->get_xim (locale, modifiers);	1240	input_method = display->get_xim (locale, modifiers);
1194	if (input_method == NULL)	1241	if (input_method == NULL)
1195	return false;	1242	return false;
1196		1243
1197	xim = input_method->xim;	1244	xim = input_method->xim;
		1245	spot.x = spot.y = -1;
1198		1246
1199	xim_styles = NULL;	1247	xim_styles = NULL;
1200	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1248	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1201	|| !xim_styles || !xim_styles->count_styles)	1249	|| !xim_styles || !xim_styles->count_styles)
1202	{	1250	{
1203	display->put_xim (input_method);	1251	im_destroy ();
1204	return false;	1252	return false;
1205	}	1253	}
1206		1254
1207	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1255	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1256
		1257	for (int pi = 0; pi < 2; pi++)
		1258	{
		1259	p = pet[pi];
		1260
		1261	if (!p)
		1262	continue;
		1263
1208	s = rxvt_splitcommastring(p);	1264	s = rxvt_splitcommastring (p);
		1265
1209	for (i = found = 0; !found && s[i]; i++)	1266	for (i = found = 0; !found && s[i]; i++)
1210	{	1267	{
1211	if (!STRCMP(s[i], "OverTheSpot"))	1268	if (!strcmp (s[i], "OverTheSpot"))
1212	input_style = (XIMPreeditPosition | XIMStatusNothing);	1269	input_style = XIMPreeditPosition | XIMStatusNothing;
1213	else if (!STRCMP(s[i], "OffTheSpot"))	1270	else if (!strcmp (s[i], "OffTheSpot"))
1214	input_style = (XIMPreeditArea | XIMStatusArea);	1271	input_style = XIMPreeditArea | XIMStatusArea;
1215	else if (!STRCMP(s[i], "Root"))	1272	else if (!strcmp (s[i], "Root"))
1216	input_style = (XIMPreeditNothing | XIMStatusNothing);	1273	input_style = XIMPreeditNothing | XIMStatusNothing;
		1274	else if (!strcmp (s[i], "None"))
		1275	input_style = XIMPreeditNone | XIMStatusNone;
		1276	#ifdef ENABLE_XIM_ONTHESPOT
		1277	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1278	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1279	#endif
		1280	else
		1281	input_style = XIMPreeditNothing | XIMStatusNothing;
1217		1282
1218	for (j = 0; j < xim_styles->count_styles; j++)	1283	for (j = 0; j < xim_styles->count_styles; j++)
1219	if (input_style == xim_styles->supported_styles[j])	1284	if (input_style == xim_styles->supported_styles[j])
1220	{	1285	{
		1286	rxvt_freecommastring (s);
		1287
1221	found = 1;	1288	found = 1;
1222	break;	1289	goto foundpet;
		1290	}
		1291
1223	}	1292	}
1224	}
1225		1293
1226	for (i = 0; s[i]; i++)	1294	rxvt_freecommastring (s);
1227	free (s[i]);	1295	}
1228		1296
1229	free (s);	1297	foundpet:
		1298
1230	XFree (xim_styles);	1299	XFree (xim_styles);
1231		1300
1232	if (!found)	1301	if (!found)
1233	{	1302	{
1234	display->put_xim (input_method);	1303	im_destroy ();
1235	return false;	1304	return false;
1236	}	1305	}
1237		1306
1238	preedit_attr = status_attr = NULL;	1307	XFontSet fs = 0;
		1308	XVaNestedList preedit_attr = 0, status_attr = 0;
		1309
		1310	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1311	{
		1312	// fake us a font-set, please
		1313	char **missing_charset_list;
		1314	int missing_charset_count;
		1315	char *def_string;
		1316	char pat[512];
		1317
		1318	sprintf (pat,
		1319	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1320	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1321	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1322	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1323	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1324	"*",
		1325	fheight,
		1326	fheight + 1, fheight - 1,
		1327	fheight - 2, fheight + 2);
		1328
		1329	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1330	&missing_charset_list, &missing_charset_count, &def_string);
		1331
		1332	if (missing_charset_list)
		1333	XFreeStringList (missing_charset_list);
		1334
		1335	if (!fs)
		1336	{
		1337	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1338	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1339	}
		1340	}
1239		1341
1240	if (input_style & XIMPreeditPosition)	1342	if (input_style & XIMPreeditPosition)
1241	{	1343	{
1242	im_set_size (&rect);	1344	im_set_size (rect);
1243	im_set_position (&spot);	1345	im_set_position (spot);
1244	im_set_color (&fg, &bg);	1346	im_set_color (fg, bg);
1245		1347
1246	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1348	preedit_attr = XVaCreateNestedList (0,
		1349	XNForeground, fg,
		1350	XNBackground, bg,
		1351	XNArea, &rect,
1247	XNSpotLocation, &spot,	1352	XNSpotLocation, &spot,
1248	XNForeground, fg, XNBackground, bg,
1249	//XNFontSet, TermWin.fontset,	1353	XNFontSet, fs,
1250	NULL);	1354	NULL);
1251	}	1355	}
1252	else if (input_style & XIMPreeditArea)	1356	else if (input_style & XIMPreeditArea)
1253	{	1357	{
1254	im_set_color (&fg, &bg);	1358	im_set_color (fg, bg);
1255		1359
1256	/*	1360	/*
1257	* The necessary width of preedit area is unknown	1361	* The necessary width of preedit area is unknown
1258	* until create input context.	1362	* until create input context.
1259	*/	1363	*/
1260	needed_rect.width = 0;	1364	needed_rect.width = 0;
1261
1262	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1365	im_set_preedit_area (rect, status_rect, needed_rect);
1263		1366
1264	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1367	preedit_attr = XVaCreateNestedList (0,
		1368	XNForeground, fg,
1265	XNForeground, fg, XNBackground, bg,	1369	XNBackground, bg,
		1370	XNArea, &rect,
		1371	XNFontSet, fs,
		1372	NULL);
		1373	status_attr = XVaCreateNestedList (0,
		1374	XNForeground, fg,
		1375	XNBackground, bg,
		1376	XNArea, &status_rect,
1266	//XNFontSet, TermWin.fontset,	1377	XNFontSet, fs,
1267	NULL);	1378	NULL);
1268	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,	1379	}
1269	XNForeground, fg, XNBackground, bg,	1380	#if ENABLE_XIM_ONTHESPOT
1270	//XNFontSet, TermWin.fontset,	1381	else if (input_style & XIMPreeditCallbacks)
		1382	{
		1383	im_set_position (spot);
		1384
		1385	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1386	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1387	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1388	# if 0
		1389	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1390	# endif
		1391
		1392	preedit_attr = XVaCreateNestedList (0,
		1393	XNSpotLocation, &spot,
		1394	XNPreeditStartCallback, &xcb[0],
		1395	XNPreeditDoneCallback , &xcb[1],
		1396	XNPreeditDrawCallback , &xcb[2],
		1397	# if 0
		1398	XNPreeditCaretCallback, &xcb[3],
		1399	# endif
1271	NULL);	1400	NULL);
1272	}	1401	}
		1402	#endif
1273		1403
1274	Input_Context = XCreateIC(xim, XNInputStyle, input_style,	1404	Input_Context = XCreateIC (xim,
		1405	XNInputStyle, input_style,
1275	XNClientWindow, TermWin.parent[0],	1406	XNClientWindow, vt,
1276	XNFocusWindow, TermWin.parent[0],	1407	XNFocusWindow, parent[0],
1277	preedit_attr ? XNPreeditAttributes : NULL,	1408	preedit_attr ? XNPreeditAttributes : NULL,
1278	preedit_attr,	1409	preedit_attr,
1279	status_attr ? XNStatusAttributes : NULL,	1410	status_attr ? XNStatusAttributes : NULL,
1280	status_attr, NULL);	1411	status_attr, NULL);
		1412
1281	if (preedit_attr) XFree(preedit_attr);	1413	if (preedit_attr) XFree (preedit_attr);
1282	if (status_attr) XFree(status_attr);	1414	if (status_attr) XFree (status_attr);
		1415	if (fs) XFreeFontSet (dpy, fs);
1283		1416
1284	if (Input_Context == NULL)	1417	if (Input_Context == NULL)
1285	{	1418	{
1286	rxvt_print_error("failed to create input context");	1419	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1287	display->put_xim (input_method);	1420	im_destroy ();
1288	return false;	1421	return false;
1289	}	1422	}
1290		1423
1291	if (input_style & XIMPreeditArea)	1424	#if 0
		1425	// unfortunately, only the focus window is used by XIM, hard to fix
		1426	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1427	vt_select_input ();
		1428	#endif
		1429
1292	IMSetStatusPosition ();	1430	IMSetPosition ();
1293		1431
1294	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1295	return true;	1432	return true;
1296	}	1433	}
1297		1434
1298	void	1435	void
1299	rxvt_term::im_cb ()	1436	rxvt_term::im_cb ()
1300	{	1437	{
1301	int i, found, had_im;	1438	int i;
1302	const char *p;	1439	const char *p;
1303	char **s;	1440	char **s;
1304	char buf[IMBUFSIZ];	1441	char buf[IMBUFSIZ];
1305		1442
		1443	make_current ();
		1444
1306	im_destroy ();	1445	im_destroy ();
1307		1446
1308	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1309	if (Input_Context)	1447	if (Input_Context)
1310	return;	1448	return;
1311		1449
1312	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1450	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1313	if (rs[Rs_imLocale])	1451	if (rs[Rs_imLocale])
1314	setlocale (LC_CTYPE, rs[Rs_imLocale]);	1452	SET_LOCALE (rs[Rs_imLocale]);
1315	#endif	1453	#endif
1316		1454
1317	p = rs[Rs_inputMethod];	1455	p = rs[Rs_inputMethod];
1318	if (p && *p)	1456	if (p && *p)
1319	{	1457	{
1320	bool found = false;	1458	bool found = false;
1321		1459
1322	s = rxvt_splitcommastring (p);	1460	s = rxvt_splitcommastring (p);
		1461
1323	for (i = 0; s[i]; i++)	1462	for (i = 0; s[i]; i++)
1324	{	1463	{
1325	if (*s[i])	1464	if (*s[i])
1326	{	1465	{
1327	STRCPY (buf, "@im=");	1466	strcpy (buf, "@im=");
1328	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1467	strncat (buf, s[i], IMBUFSIZ - 5);
1329	if (IM_get_IC (buf))	1468	if (IM_get_IC (buf))
1330	{	1469	{
1331	found = true;	1470	found = true;
1332	break;	1471	break;
1333	}	1472	}
1334	}	1473	}
1335	}	1474	}
1336	for (i = 0; s[i]; i++)	1475
1337	free(s[i]);	1476	rxvt_freecommastring (s);
1338	free(s);
1339		1477
1340	if (found)	1478	if (found)
1341	goto done;	1479	goto done;
1342	}	1480	}
1343		1481
…		…
1350	goto done;	1488	goto done;
1351		1489
1352	done:	1490	done:
1353	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1491	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1354	if (rs[Rs_imLocale])	1492	if (rs[Rs_imLocale])
1355	setlocale (LC_CTYPE, locale);	1493	SET_LOCALE (locale);
1356	#endif	1494	#endif
1357	}	1495	}
1358		1496
1359	void	1497	void
1360	rxvt_term::IMSetStatusPosition ()	1498	rxvt_term::IMSetPosition ()
1361	{	1499	{
1362	XRectangle preedit_rect, status_rect, *needed_rect;	1500	XRectangle preedit_rect, status_rect, *needed_rect;
1363	XVaNestedList preedit_attr, status_attr;	1501	XVaNestedList preedit_attr, status_attr;
1364		1502
1365	if (Input_Context == NULL	1503	if (!Input_Context
1366	|| !TermWin.focus || !(input_style & XIMPreeditArea)	1504	|| !focus
		1505	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1367	|| !IMisRunning ())	1506	|| !IMisRunning ())
1368	return;	1507	return;
1369		1508
		1509	if (input_style & XIMPreeditPosition)
		1510	{
		1511	im_set_size (preedit_rect);
		1512	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1513
		1514	XSetICValues (Input_Context,
		1515	XNPreeditAttributes, preedit_attr, NULL);
		1516	}
		1517	else
		1518	{
1370	/* Getting the necessary width of preedit area */	1519	/* Getting the necessary width of preedit area */
1371	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1520	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1372	XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL);	1521	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1373	XFree(status_attr);	1522	XFree (status_attr);
1374		1523
1375	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1524	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1525	XFree (needed_rect);
1376		1526
1377	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1527	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1378	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1528	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1379		1529
1380	XSetICValues(Input_Context,	1530	XSetICValues (Input_Context,
1381	XNPreeditAttributes, preedit_attr,	1531	XNPreeditAttributes, preedit_attr,
1382	XNStatusAttributes, status_attr, NULL);	1532	XNStatusAttributes, status_attr,
		1533	NULL);
1383		1534
		1535	XFree (status_attr);
		1536	}
		1537
1384	XFree(preedit_attr);	1538	XFree (preedit_attr);
1385	XFree(status_attr);
1386	}	1539	}
1387	#endif /* USE_XIM */	1540	#endif /* USE_XIM */
1388		1541
1389	/*----------------------------------------------------------------------*/	1542	void
1390	rxvt_t rxvt_current_term;	1543	rxvt_term::get_window_origin (int &x, int &y)
		1544	{
		1545	Window cr;
		1546	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1547	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1548	}
		1549
		1550	Pixmap
		1551	rxvt_term::get_pixmap_property (int prop_id)
		1552	{
		1553	if (prop_id > 0 && prop_id < NUM_XA)
		1554	if (xa[prop_id])
		1555	{
		1556	int aformat;
		1557	unsigned long nitems, bytes_after;
		1558	Atom atype;
		1559	unsigned char *prop = NULL;
		1560	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1561	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1562	&nitems, &bytes_after, &prop);
		1563	if (result == Success && prop && atype == XA_PIXMAP)
		1564	return *(Pixmap *)prop;
		1565	}
		1566
		1567	return None;
		1568	}
		1569
		1570	#ifdef HAVE_BG_PIXMAP
		1571	# if TRACE_PIXMAPS
		1572	# undef update_background
		1573	void
		1574	rxvt_term::trace_update_background (const char *file, int line)
		1575	{
		1576	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1577	update_background ();
		1578	}
		1579	# endif
		1580
		1581	void
		1582	rxvt_term::update_background ()
		1583	{
		1584	if (update_background_ev.is_active ())
		1585	return;
		1586
		1587	bgPixmap.invalidate ();
		1588
		1589	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1590
		1591	if (to_wait <= 0.)
		1592	bgPixmap.render ();
		1593	else
		1594	update_background_ev.start (to_wait);
		1595	}
		1596
		1597	void
		1598	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1599	{
		1600	make_current ();
		1601
		1602	update_background_ev.stop ();
		1603	bgPixmap.render ();
		1604	refresh_check ();
		1605	}
		1606
		1607	#endif /* HAVE_BG_PIXMAP */
1391		1608
1392	/*----------------------- end-of-file (C source) -----------------------*/	1609	/*----------------------- end-of-file (C source) -----------------------*/

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