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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.32 by pcg, Fri Feb 13 12:16:21 2004 UTC vs.
Revision 1.325 by root, Wed Mar 31 22:22:32 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
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 whether 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	selection_clear (true);
		243
99	#ifdef USE_XIM	244	#ifdef USE_XIM
100	im_ev (this, &rxvt_term::im_cb)	245	im_destroy ();
101	#endif	246	#endif
102	{	247	scrollBar.destroy ();
103	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	248	if (gc) XFreeGC (dpy, gc);
104	}
105		249
106	rxvt_term::~rxvt_term ()	250	delete drawable;
107	{	251	// destroy all windows
108	if (cmd_fd >= 0)	252	if (parent[0])
109	close (cmd_fd);	253	XDestroyWindow (dpy, parent[0]);
		254
		255	for (int i = 0; i < TOTAL_COLORS; i++)
		256	if (ISSET_PIXCOLOR (i))
		257	{
		258	pix_colors_focused [i].free (this);
		259	#if OFF_FOCUS_FADING
		260	pix_colors_unfocused [i].free (this);
		261	#endif
		262	}
		263
		264	clear ();
		265
		266	display->flush (); /* ideally .put should do this */
		267	displays.put (display);
		268	}
110		269
111	scr_release ();	270	scr_release ();
112		271
		272	/* clear all resources */
		273	for (int i = 0; i < allocated.size (); i++)
		274	free (allocated [i]);
		275
		276	free (selection.text);
		277	free (selection.clip_text);
		278	// TODO: manage env vars in child only(!)
		279	free (env_display);
		280	free (env_term);
113	free (locale);	281	free (locale);
114	free (codeset);	282	free (v_buffer);
		283	free (incr_buf);
115		284
116	#ifndef NO_SETOWNER_TTYDEV	285	delete envv;
117	privileged_ttydev (RESTORE);	286	delete argv;
118	#endif
119	#ifdef UTMP_SUPPORT
120	privileged_utmp (RESTORE);
121	#endif
122		287
123	// TODO: free pixcolours, colours should become part of rxvt_display	288	#ifdef KEYSYM_RESOURCE
		289	delete keyboard;
		290	#endif
		291	#ifndef NO_RESOURCES
		292	XrmDestroyDatabase (option_db);
		293	#endif
		294	}
124		295
125	delete PixColors;	296	// child has exited, usually destroys
126	delete TermWin.fontset;	297	void
		298	rxvt_term::child_cb (ev::child &w, int status)
		299	{
		300	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
127		301
128	displays.put (display);	302	cmd_pid = 0;
		303
		304	if (!option (Opt_hold))
		305	destroy ();
129	}	306	}
130		307
131	void	308	void
132	rxvt_term::destroy ()	309	rxvt_term::destroy ()
133	{	310	{
		311	if (destroy_ev.is_active ())
		312	return;
		313
		314	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		315
		316	#if ENABLE_OVERLAY
		317	scr_overlay_off ();
		318	#endif
		319
134	if (display)	320	if (display)
135	{	321	{
136	if (TermWin.parent[0])	322	#if USE_XIM
137	XDestroyWindow (display->display, TermWin.parent[0]);	323	im_ev.stop (display);
138		324	#endif
		325	scrollbar_ev.stop (display);
		326	#if ENABLE_TRANSPARENCY || ENABLE_PERL
139	rootwin_ev.stop (display);	327	rootwin_ev.stop (display);
		328	#endif
		329	incr_ev.stop ();
140	termwin_ev.stop (display);	330	termwin_ev.stop (display);
141	vt_ev.stop (display);	331	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	}	332	}
154		333
155	check_ev.stop ();	334	flush_ev.stop ();
156	pty_ev.stop ();	335	pty_ev.stop ();
157	#ifdef CURSOR_BLINK	336	#ifdef CURSOR_BLINK
158	cursor_blink_ev.stop ();	337	cursor_blink_ev.stop ();
159	#endif	338	#endif
160	#ifdef TEXT_BLINK	339	#ifdef TEXT_BLINK
161	text_blink_ev.stop ();	340	text_blink_ev.stop ();
162	#endif	341	#endif
		342	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		343	cont_scroll_ev.stop ();
		344	#endif
		345	#ifdef SELECTION_SCROLLING
		346	sel_scroll_ev.stop ();
		347	#endif
163	#ifdef POINTER_BLANK	348	#ifdef POINTER_BLANK
164	pointer_ev.stop ();	349	pointer_ev.stop ();
165	#endif	350	#endif
166		351
167	destroy_ev.start (0);	352	destroy_ev.start ();
168	}	353	}
169		354
170	void	355	void
171	rxvt_term::destroy_cb (time_watcher &w)	356	rxvt_term::destroy_cb (ev::idle &w, int revents)
172	{	357	{
173	SET_R (this);	358	make_current ();
174		359
175	delete this;	360	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	}	361	}
350		362
351	/*----------------------------------------------------------------------*/	363	/*----------------------------------------------------------------------*/
352	/*	364	/*
353	* Exit gracefully, clearing the utmp entry and restoring tty attributes	365	* Exit gracefully, clearing the utmp entry and restoring tty attributes
354	* TODO: if debugging, this should free up any known resources if we can	366	* TODO: if debugging, this should free up any known resources if we can
355	*/	367	*/
356	/* EXTPROTO */	368	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		369
365	/* ------------------------------------------------------------------------- *	370	static void
366	* MEMORY ALLOCATION WRAPPERS *	371	rxvt_emergency_cleanup ()
367	* ------------------------------------------------------------------------- */
368	/* EXTPROTO */
369	void *
370	rxvt_malloc (size_t size)
371	{	372	{
372	void *p;	373	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
373		374	(*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	}	375	}
383		376
384	/* EXTPROTO */	377	#if !ENABLE_MINIMAL
385	void *	378	static void
386	rxvt_calloc (size_t number, size_t size)	379	print_x_error (Display *dpy, XErrorEvent *event)
387	{	380	{
388	void *p;	381	char buffer[BUFSIZ];
389		382	char mesg[BUFSIZ];
390	p = calloc (number, size);	383	char number[32];
391	if (p)	384	char *mtype = "XlibMessage";
392	return p;	385	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
393		386	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
394	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	387	rxvt_warn ("An X Error occured, trying to continue after report.\n");
395	rxvt_clean_exit ();	388	rxvt_warn ("%s: %s\n", mesg, buffer);
396	exit (EXIT_FAILURE);	389	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
397	/* NOTREACHED */	390	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		391	sprintf(number, "%d", event->request_code);
		392	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		393	rxvt_warn ("(which is %s)\n", buffer);
		394	if (event->request_code >= 128) {
		395	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		396	mesg, BUFSIZ);
		397	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		398	}
		399	if ((event->error_code == BadWindow) ||
		400	(event->error_code == BadPixmap) ||
		401	(event->error_code == BadCursor) ||
		402	(event->error_code == BadFont) ||
		403	(event->error_code == BadDrawable) ||
		404	(event->error_code == BadColor) ||
		405	(event->error_code == BadGC) ||
		406	(event->error_code == BadIDChoice) ||
		407	(event->error_code == BadValue) ||
		408	(event->error_code == BadAtom)) {
		409	if (event->error_code == BadValue)
		410	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		411	mesg, BUFSIZ);
		412	else if (event->error_code == BadAtom)
		413	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		414	mesg, BUFSIZ);
		415	else
		416	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		417	mesg, BUFSIZ);
		418	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		419	}
		420	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		421	mesg, BUFSIZ);
		422	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
398	}	423	}
		424	#endif
399		425
400	/* EXTPROTO */	426	int
401	void *	427	rxvt_xerror_handler (Display *display, XErrorEvent *event)
402	rxvt_realloc (void *ptr, size_t size)
403	{	428	{
404	void *p;	429	if (GET_R->allowedxerror == -1)
405		430	GET_R->allowedxerror = event->error_code;
406	if (ptr)
407	p = realloc (ptr, size);
408	else	431	else
409	p = malloc (size);	432	{
410	if (p)	433	// GET_R is most likely not the terminal which caused the error,
		434	// so just output the error and continue
		435	#if ENABLE_MINIMAL
		436	old_xerror_handler (display, event);
		437	#else
		438	print_x_error (display, event);
		439	#endif
		440	}
		441
411	return p;	442	return 0;
		443	}
412		444
413	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	445	int
414	rxvt_clean_exit ();	446	rxvt_xioerror_handler (Display *display)
		447	{
		448	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		449	DisplayString (display));
		450	rxvt_emergency_cleanup ();
415	exit (EXIT_FAILURE);	451	_exit (EXIT_FAILURE);
416	/* NOTREACHED */
417	}	452	}
418		453
419	/* ------------------------------------------------------------------------- *	454	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	{	455	{
426	#if ! defined(__CYGWIN32__)	456	ev::sig sw_term, sw_int;
427	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	457
428	/* setreuid () is the poor man's setuid (), seteuid () */	458	/*
429	# define seteuid(a) setreuid(-1, (a))	459	* Catch a fatal signal and tidy up before quitting
430	# define setegid(a) setregid(-1, (a))	460	*/
431	# define HAVE_SETEUID	461	void sig_term (ev::sig &w, int revents);
432	# endif	462
433	# ifdef HAVE_SETEUID	463	sig_handlers ()
434	switch (mode)
435	{	464	{
436	case IGNORE:	465	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
437	/*	466	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	}	467	}
453	# else	468	} 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		469
469	#ifdef UTMP_SUPPORT
470	void	470	void
471	rxvt_term::privileged_utmp (char action)	471	sig_handlers::sig_term (ev::sig &w, int revents)
472	{	472	{
473	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",	473	rxvt_emergency_cleanup ();
474	action, next_utmp_action, getpid ()));	474	w.stop ();
475	if (next_utmp_action != action || (action != SAVE && action != RESTORE)	475	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	}	476	}
493	#endif
494		477
495	#ifndef NO_SETOWNER_TTYDEV	478	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		479
506	privileges (RESTORE);	480	void
		481	rxvt_init ()
		482	{
		483	ptytty::init ();
507		484
508	if (action == SAVE)	485	if (!ev_default_loop (0))
509	{	486	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		487
518	{	488	rxvt_environ = environ;
519	chown (ttydev, getuid (), ttygid); /* fail silently */
520	chmod (ttydev, ttymode);
521	# ifdef HAVE_REVOKE
522	revoke (ttydev);
523	# endif
524		489
525	}	490	signal (SIGHUP, SIG_IGN);
526	}	491	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		492
539	}	493	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		494	sig_handlers.sw_int.start (SIGINT); ev_unref ();
540		495
541	privileges (IGNORE);	496	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		497	/* signal (SIGURG, SIG_DFL); */
542		498
543	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	499	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
544	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	500	// TODO: handle this with exceptions and tolerate the memory loss
545	action == RESTORE ? "Restoring" : (action ==	501	XSetIOErrorHandler (rxvt_xioerror_handler);
546	SAVE ? "Saving" :	502
547	"UNKNOWN ERROR for"), ttydev,	503	XrmInitialize ();
548	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
549	ttyfd_stat.st_gid));
550	# endif
551	}	504	}
552	#endif
553		505
554	/*----------------------------------------------------------------------*/	506	/*----------------------------------------------------------------------*/
555	/*	507	/*
556	* window size/position calculcations for XSizeHint and other storage.	508	* window size/position calculations for XSizeHint and other storage.
557	* if width/height are non-zero then override calculated width/height	509	* if width/height are non-zero then override calculated width/height
558	*/	510	*/
559	void	511	void
560	rxvt_term::window_calc (unsigned int width, unsigned int height)	512	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
561	{	513	{
562	short recalc_x, recalc_y;	514	short recalc_x, recalc_y;
563	int x, y, sb_w, mb_h, flags;	515	int x, y, flags;
564	unsigned int w, h;	516	unsigned int w, h;
565	unsigned int max_width, max_height;	517	unsigned int max_width, max_height;
566		518
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;	519	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
571	szHint.win_gravity = NorthWestGravity;	520	szHint.win_gravity = NorthWestGravity;
572	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	521	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
573		522
574	recalc_x = recalc_y = 0;	523	recalc_x = recalc_y = 0;
575	flags = 0;	524	flags = 0;
		525
576	if (!parsed_geometry)	526	if (!parsed_geometry)
577	{	527	{
578	parsed_geometry = 1;	528	parsed_geometry = 1;
		529
579	if (rs[Rs_geometry])	530	if (rs[Rs_geometry])
580	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	531	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		532
581	if (flags & WidthValue)	533	if (flags & WidthValue)
582	{	534	{
583	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	535	if (!w)
		536	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		537
		538	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
584	szHint.flags |= USSize;	539	szHint.flags |= USSize;
585	}	540	}
		541
586	if (flags & HeightValue)	542	if (flags & HeightValue)
587	{	543	{
588	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	544	if (!h)
		545	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		546
		547	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
589	szHint.flags |= USSize;	548	szHint.flags |= USSize;
590	}	549	}
		550
591	if (flags & XValue)	551	if (flags & XValue)
592	{	552	{
593	szHint.x = x;	553	szHint.x = x;
594	szHint.flags |= USPosition;	554	szHint.flags |= USPosition;
		555
595	if (flags & XNegative)	556	if (flags & XNegative)
596	{	557	{
597	recalc_x = 1;	558	recalc_x = 1;
598	szHint.win_gravity = NorthEastGravity;	559	szHint.win_gravity = NorthEastGravity;
599	}	560	}
600	}	561	}
		562
601	if (flags & YValue)	563	if (flags & YValue)
602	{	564	{
603	szHint.y = y;	565	szHint.y = y;
604	szHint.flags |= USPosition;	566	szHint.flags |= USPosition;
		567
605	if (flags & YNegative)	568	if (flags & YNegative)
606	{	569	{
607	recalc_y = 1;	570	recalc_y = 1;
		571
608	if (szHint.win_gravity == NorthEastGravity)	572	if (szHint.win_gravity == NorthEastGravity)
609	szHint.win_gravity = SouthEastGravity;	573	szHint.win_gravity = SouthEastGravity;
610	else	574	else
611	szHint.win_gravity = SouthWestGravity;	575	szHint.win_gravity = SouthWestGravity;
612	}	576	}
613	}	577	}
614	}	578	}
		579
615	/* TODO: BOUNDS */	580	/* TODO: BOUNDS */
616	TermWin.width = TermWin.ncol * TermWin.fwidth;	581	width = ncol * fwidth;
617	TermWin.height = TermWin.nrow * TermWin.fheight;	582	height = nrow * fheight;
618	max_width = MAX_COLS * TermWin.fwidth;	583	max_width = MAX_COLS * fwidth;
619	max_height = MAX_ROWS * TermWin.fheight;	584	max_height = MAX_ROWS * fheight;
620		585
621	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	586	szHint.base_width = szHint.base_height = 2 * int_bwidth;
622		587
623	sb_w = mb_h = 0;
624	window_vt_x = window_vt_y = 0;	588	window_vt_x = window_vt_y = int_bwidth;
625	if (scrollbar_visible ())	589
		590	if (scrollBar.state)
626	{	591	{
627	sb_w = scrollbar_TotalWidth ();	592	int sb_w = scrollBar.total_width ();
628	szHint.base_width += sb_w;	593	szHint.base_width += sb_w;
		594
629	if (! (Options & Opt_scrollBar_right))	595	if (!option (Opt_scrollBar_right))
630	window_vt_x = sb_w;	596	window_vt_x += sb_w;
631	}
632	if (menubar_visible ())
633	{	597	}
634	mb_h = menuBar_TotalHeight ();	598
635	szHint.base_height += mb_h;
636	window_vt_y = mb_h;
637	}
638	szHint.width_inc = TermWin.fwidth;	599	szHint.width_inc = fwidth;
639	szHint.height_inc = TermWin.fheight;	600	szHint.height_inc = fheight;
640	szHint.min_width = szHint.base_width + szHint.width_inc;	601	szHint.min_width = szHint.base_width + szHint.width_inc;
641	szHint.min_height = szHint.base_height + szHint.height_inc;	602	szHint.min_height = szHint.base_height + szHint.height_inc;
642		603
643	if (width && width - szHint.base_width < max_width)	604	if (newwidth && newwidth - szHint.base_width < max_width)
644	{	605	{
645	szHint.width = width;	606	szHint.width = newwidth;
646	TermWin.width = width - szHint.base_width;	607	width = newwidth - szHint.base_width;
647	}	608	}
648	else	609	else
649	{	610	{
650	MIN_IT (TermWin.width, max_width);	611	min_it (width, max_width);
651	szHint.width = szHint.base_width + TermWin.width;	612	szHint.width = szHint.base_width + width;
652	}	613	}
		614
653	if (height && height - szHint.base_height < max_height)	615	if (newheight && newheight - szHint.base_height < max_height)
654	{	616	{
655	szHint.height = height;	617	szHint.height = newheight;
656	TermWin.height = height - szHint.base_height;	618	height = newheight - szHint.base_height;
657	}	619	}
658	else	620	else
659	{	621	{
660	MIN_IT (TermWin.height, max_height);	622	min_it (height, max_height);
661	szHint.height = szHint.base_height + TermWin.height;	623	szHint.height = szHint.base_height + height;
662	}	624	}
663	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
664	window_sb_x = szHint.width - sb_w;
665		625
666	if (recalc_x)	626	if (recalc_x)
667	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	627	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
668	- szHint.width - 2 * TermWin.ext_bwidth);	628
669	if (recalc_y)	629	if (recalc_y)
670	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	630	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
671	- szHint.height - 2 * TermWin.ext_bwidth);
672		631
673	TermWin.ncol = TermWin.width / TermWin.fwidth;	632	ncol = width / fwidth;
674	TermWin.nrow = TermWin.height / TermWin.fheight;	633	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	}	634	}
680		635
681	/*----------------------------------------------------------------------*/	636	/*----------------------------------------------------------------------*/
682	/*	637	/*
683	* Tell the teletype handler what size the window is.	638	* Tell the teletype handler what size the window is.
684	* Called after a window size change.	639	* Called after a window size change.
685	*/	640	*/
686	void	641	void
687	rxvt_term::tt_winch ()	642	rxvt_term::tt_winch ()
688	{	643	{
		644	if (pty->pty < 0)
		645	return;
		646
689	struct winsize ws;	647	struct winsize ws;
690		648
691	if (cmd_fd < 0)
692	return;
693
694	ws.ws_col = TermWin.ncol;	649	ws.ws_col = ncol;
695	ws.ws_row = TermWin.nrow;	650	ws.ws_row = nrow;
696	ws.ws_xpixel = ws.ws_ypixel = 0;	651	ws.ws_xpixel = width;
697	#ifndef DEBUG_SIZE	652	ws.ws_ypixel = height;
698	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	653	ioctl (pty->pty, TIOCSWINSZ, &ws);
699	#else	654
700	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	655	#if 0
701	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	656	// TIOCSWINSZ is supposed to do this automatically and correctly
702	# ifdef SIGWINCH
703	else if (cmd_pid) /* force through to the command */	657	if (cmd_pid) /* force through to the command */
704	kill (cmd_pid, SIGWINCH);	658	kill (-cmd_pid, SIGWINCH);
705	# endif
706	#endif	659	#endif
707	}	660	}
708		661
709	/*----------------------------------------------------------------------*/	662	/*----------------------------------------------------------------------*/
710	/* rxvt_change_font () - Switch to a new font */	663	/* set_fonts () - load and set the various fonts
711	/*	664	*
712	* init = 1 - initialize	665	* init = 1 - initialize
713	*	666	*
714	* fontname == FONT_UP - switch to bigger font	667	* fontname == FONT_UP - switch to bigger font
715	* fontname == FONT_DN - switch to smaller font	668	* fontname == FONT_DN - switch to smaller font
716	*/	669	*/
717	void	670	bool
718	rxvt_term::change_font (int init, const char *fontname)	671	rxvt_term::set_fonts ()
719	{}	672	{
		673	rxvt_fontset *fs = new rxvt_fontset (this);
		674	rxvt_fontprop prop;
720		675
		676	if (!fs
		677	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		678	|| !fs->realize_font (1))
		679	{
		680	delete fs;
		681	return false;
		682	}
		683
		684	#if ENABLE_STYLES
		685	for (int i = RS_styleCount; --i; )
		686	if (fontset[i] != fontset[0])
		687	delete fontset[i];
		688	#endif
		689
		690	delete fontset[0];
		691	fontset[0] = fs;
		692
		693	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		694	prop.height += lineSpace;
		695	prop.width += letterSpace;
		696
		697	fs->set_prop (prop, false);
		698
		699	fwidth = prop.width;
		700	fheight = prop.height;
		701	fbase = prop.ascent;
		702
		703	for (int style = 1; style < 4; style++)
		704	{
		705	#if ENABLE_STYLES
		706	const char *res = rs[Rs_font + style];
		707
		708	if (res && !*res)
		709	fontset[style] = fontset[0];
		710	else
		711	{
		712	fontset[style] = fs = new rxvt_fontset (this);
		713	rxvt_fontprop prop2 = prop;
		714
		715	if (res)
		716	{
		717	fs->populate (res);
		718	fs->set_prop (prop2, false);
		719	}
		720	else
		721	{
		722	fs->populate (fontset[0]->fontdesc);
		723
		724	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		725	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		726
		727	fs->set_prop (prop2, true);
		728	}
		729
		730	}
		731	#else
		732	fontset[style] = fontset[0];
		733	#endif
		734	}
		735
		736	if (parent[0])
		737	{
		738	resize_all_windows (0, 0, 0);
		739	scr_remap_chars ();
		740	scr_touch (true);
		741	}
		742
		743	return true;
		744	}
		745
721	void	746	void
722	rxvt_term::font_up_down (int n, int direction)	747	rxvt_term::set_string_property (Atom prop, const char *str, int len)
723	{}	748	{
		749	XChangeProperty (dpy, parent[0],
		750	prop, XA_STRING, 8, PropModeReplace,
		751	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		752	}
		753
		754	void
		755	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		756	{
		757	wchar_t *ws = rxvt_mbstowcs (str, len);
		758	char *s = rxvt_wcstoutf8 (ws);
		759
		760	XChangeProperty (dpy, parent[0],
		761	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		762	(const unsigned char *)s, strlen (s));
		763
		764	free (s);
		765	free (ws);
		766	}
724		767
725	/*----------------------------------------------------------------------*/	768	/*----------------------------------------------------------------------*/
726	/*----------------------------------------------------------------------*/	769	/*----------------------------------------------------------------------*/
727	/* xterm sequences - title, iconName, color (exptl) */	770	/* xterm sequences - title, iconName, color (exptl) */
728	void	771	void
729	rxvt_term::set_title (const char *str)	772	rxvt_term::set_title (const char *str)
730	{	773	{
731	#ifndef SMART_WINDOW_TITLE	774	set_string_property (XA_WM_NAME, str);
732	XStoreName (display->display, TermWin.parent[0], str);	775	#if ENABLE_EWMH
733	#else	776	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	777	#endif
743	}	778	}
744		779
745	void	780	void
746	rxvt_term::set_iconName (const char *str)	781	rxvt_term::set_icon_name (const char *str)
747	{	782	{
748	#ifndef SMART_WINDOW_TITLE	783	set_string_property (XA_WM_ICON_NAME, str);
749	XSetIconName (display->display, TermWin.parent[0], str);	784	#if ENABLE_EWMH
750	#else	785	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	786	#endif
760	}	787	}
761		788
		789	void
		790	rxvt_term::set_window_color (int idx, const char *color)
		791	{
762	#ifdef XTERM_COLOR_CHANGE	792	#ifdef XTERM_COLOR_CHANGE
763	void
764	rxvt_term::set_window_color (int idx, const char *color)
765	{
766	rxvt_color xcol;	793	rxvt_color xcol;
767	int i;
768		794
769	if (color == NULL || *color == '\0')	795	if (color == NULL || *color == '\0')
770	return;	796	return;
771		797
		798	color = strdup (color);
		799	allocated.push_back ((void *)color);
		800	rs[Rs_color + idx] = color;
		801
772	/* handle color aliases */	802	/* handle color aliases */
773	if (isdigit (*color))	803	if (isdigit (*color))
774	{	804	{
775	i = atoi (color);	805	int i = atoi (color);
		806
776	if (i >= 8 && i <= 15)	807	if (i >= 8 && i <= 15)
		808	{
777	{ /* bright colors */	809	/* bright colors */
778	i -= 8;
779	# ifndef NO_BRIGHTCOLOR
780	PixColors[idx] = PixColors[minBrightCOLOR + i];	810	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
781	SET_PIXCOLOR (idx);
782	goto Done;	811	goto done;
783	# endif
784
785	}	812	}
		813
786	if (i >= 0 && i <= 7)	814	if (i >= 0 && i <= 7)
		815	{
787	{ /* normal colors */	816	/* normal colors */
788	PixColors[idx] = PixColors[minCOLOR + i];	817	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
789	SET_PIXCOLOR (idx);
790	goto Done;	818	goto done;
791	}	819	}
792	}	820	}
793	if (!rXParseAllocColor (& xcol, color))	821
794	return;	822	set_color (xcol, color);
795	/* XStoreColor (display->display, XCMAP, XColor*); */
796		823
797	/*	824	/*
798	* FIXME: should free colors here, but no idea how to do it so instead,	825	* FIXME: should free colors here, but no idea how to do it so instead,
799	* so just keep gobbling up the colormap	826	* so just keep gobbling up the colormap
800	*/	827	*/
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		828
813	PixColors[idx] = xcol;	829	pix_colors_focused[idx] = xcol;
814	SET_PIXCOLOR (idx);
815		830
816	/* XSetWindowAttributes attr; */
817	/* Cursor cursor; */
818	Done:	831	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. */	832	/*TODO: handle Color_BD, scrollbar background, etc. */
824		833
825	set_colorfgbg ();	834	update_fade_color (idx);
826	recolour_cursor ();	835	recolour_cursor ();
827	/* the only reasonable way to enforce a clean update */	836	scr_recolour ();
828	scr_poweron ();	837	#endif /* XTERM_COLOR_CHANGE */
829	}	838	}
830
831	#else
832	# define set_window_color (idx,color) ((void)0)
833	#endif /* XTERM_COLOR_CHANGE */
834		839
835	void	840	void
836	rxvt_term::recolour_cursor ()	841	rxvt_term::recolour_cursor ()
837	{	842	{
838	#if TODO	843	XColor fg, bg;
839	rxvt_color xcol[2];
840		844
841	xcol[0] = PixColors[Color_pointer];	845	(ISSET_PIXCOLOR (Color_pointer_fg)
842	xcol[1] = PixColors[Color_bg];	846	? pix_colors_focused[Color_pointer_fg]
843	XQueryColors (display->display, XCMAP, xcol, 2);	847	: pix_colors_focused[Color_fg]).get (fg);
844	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	848
845	#endif	849	(ISSET_PIXCOLOR (Color_pointer_bg)
		850	? pix_colors_focused[Color_pointer_bg]
		851	: pix_colors_focused[Color_bg]).get (bg);
		852
		853	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
846	}	854	}
847		855
848	/*----------------------------------------------------------------------*/	856	/*----------------------------------------------------------------------*/
849	/*	857	/*
850	* find if fg/bg matches any of the normal (low-intensity) colors	858	* find if fg/bg matches any of the normal (low-intensity) colors
851	*/	859	*/
852	void	860	void
853	rxvt_term::set_colorfgbg ()	861	rxvt_term::set_colorfgbg ()
854	{	862	{
855	unsigned int i;	863	unsigned int i;
856	const char *xpmb = "\0";	864	const char *xpmb = "";
857	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	865	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
858		866
859	env_colorfgbg =
860	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
861	STRCPY (fstr, "default");	867	strcpy (fstr, "default");
862	STRCPY (bstr, "default");	868	strcpy (bstr, "default");
863	for (i = Color_Black; i <= Color_White; i++)	869	for (i = Color_Black; i <= Color_White; i++)
864	if (PixColors[Color_fg] == PixColors[i])	870	if (pix_colors[Color_fg] == pix_colors[i])
865	{	871	{
866	sprintf (fstr, "%d", (i - Color_Black));	872	sprintf (fstr, "%d", (i - Color_Black));
867	break;	873	break;
868	}	874	}
		875
869	for (i = Color_Black; i <= Color_White; i++)	876	for (i = Color_Black; i <= Color_White; i++)
870	if (PixColors[Color_bg] == PixColors[i])	877	if (pix_colors[Color_bg] == pix_colors[i])
871	{	878	{
872	sprintf (bstr, "%d", (i - Color_Black));	879	sprintf (bstr, "%d", (i - Color_Black));
873	#ifdef XPM_BACKGROUND	880	#ifdef BG_IMAGE_FROM_FILE
874	xpmb = "default;";	881	xpmb = "default;";
875	#endif	882	#endif
876	break;	883	break;
877	}	884	}
		885
878	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	886	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	}	887	}
892		888
893	/*----------------------------------------------------------------------*/	889	/*----------------------------------------------------------------------*/
894	/*
895	* Colour determination for low colour displays, routine from
896	* Hans de Goede <hans@highrise.nl>
897	*/
898		890
899	int	891	bool
900	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	892	rxvt_term::set_color (rxvt_color &color, const char *name)
901	{	893	{
902	if (!screen_in_out->set (display, colour))	894	if (color.set (this, name))
903	{
904	rxvt_print_error ("can't allocate colour: %s", colour);
905	return false;
906	}
907
908	return true;	895	return true;
		896
		897	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		898	return false;
		899	}
		900
		901	void
		902	rxvt_term::alias_color (int dst, int src)
		903	{
		904	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
909	}	905	}
910		906
911	/* -------------------------------------------------------------------- *	907	/* -------------------------------------------------------------------- *
912	* - WINDOW RESIZING - *	908	* - WINDOW RESIZING - *
913	* -------------------------------------------------------------------- */	909	* -------------------------------------------------------------------- */
914	void	910	void
915	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	911	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
916	{	912	{
917	int fix_screen;	913	int fix_screen;
		914	int old_width = szHint.width;
		915	int old_height = szHint.height;
918		916
919	#ifdef SMART_RESIZE
920	int old_width = szHint.width, old_height = szHint.height;
921	#endif
922
923	window_calc (width, height);	917	window_calc (newwidth, newheight);
		918
		919	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		920
		921	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		922	if (set_hint)
		923	{
		924	szHint.flags &= ~(PBaseSize | PResizeInc);
924	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	925	XSetWMNormalHints (dpy, parent[0], &szHint);
		926	szHint.flags |= PBaseSize | PResizeInc;
		927	}
		928
925	if (!ignoreparent)	929	if (!ignoreparent)
926	{	930	{
927	#ifdef SMART_RESIZE	931	#ifdef SMART_RESIZE
928	/*	932	/*
929	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	933	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
932	int x, y, x1, y1;	936	int x, y, x1, y1;
933	int dx, dy;	937	int dx, dy;
934	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	938	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
935	Window unused_cr;	939	Window unused_cr;
936		940
937	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	941	XTranslateCoordinates (dpy, parent[0], display->root,
938	0, 0, &x, &y, &unused_cr);	942	0, 0, &x, &y, &unused_cr);
939	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	943	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
940	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	944	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
941	/*	945	/*
942	* if display->root isn't the parent window, a WM will probably have offset	946	* if display->root isn't the parent window, a WM will probably have offset
943	* our position for handles and decorations. Counter it	947	* our position for handles and decorations. Counter it
944	*/	948	*/
…		…
946	{	950	{
947	x -= x1;	951	x -= x1;
948	y -= y1;	952	y -= y1;
949	}	953	}
950		954
951	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	955	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
952	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	956	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
953	dx = old_width - szHint.width;	957	dx = old_width - szHint.width;
954	dy = old_height - szHint.height;	958	dy = old_height - szHint.height;
955		959
956	/* Check position of the center of the window */	960	/* Check position of the center of the window */
957	if (x < x1) /* left half */	961	if (x < x1) /* left half */
958	dx = 0;	962	dx = 0;
…		…
961	if (y < y1) /* top half */	965	if (y < y1) /* top half */
962	dy = 0;	966	dy = 0;
963	else if (y == y1) /* exact center */	967	else if (y == y1) /* exact center */
964	dy /= 2;	968	dy /= 2;
965		969
966	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	970	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
967	szHint.width, szHint.height);	971	szHint.width, szHint.height);
968	#else	972	#else
969	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	973	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
970	szHint.height);
971	#endif	974	#endif
972
973	}	975	}
974		976
975	fix_screen = (TermWin.ncol != prev_ncol	977	if (set_hint)
976	|| TermWin.nrow != prev_nrow);	978	XSetWMNormalHints (dpy, parent[0], &szHint);
977		979
		980	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		981
978	if (fix_screen || width != old_width || height != old_height)	982	if (fix_screen || newwidth != old_width || newheight != old_height)
979	{	983	{
980	if (scrollbar_visible ())	984	if (scrollBar.state)
981	{	985	scrollBar.resize ();
982	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
983	0, scrollbar_TotalWidth (), szHint.height);
984	resize_scrollbar ();
985	}
986		986
987	if (menubar_visible ())	987	XMoveResizeWindow (dpy, vt,
988	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	988	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 ());	989	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		990
		991	#ifdef HAVE_BG_PIXMAP
		992	if (bgPixmap.window_size_sensitive ())
		993	update_background ();
		994	#endif
1004	}	995	}
1005		996
1006	if (fix_screen || old_height == 0)	997	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 ();	998	scr_reset ();
1021		999
1022	if (curr_screen >= 0) /* this is not the first time through */	1000	#ifdef HAVE_BG_PIXMAP
1023	{	1001	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
1024	scr_change_screen (curr_screen);	1002	// if (bgPixmap.pixmap)
1025	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1003	// scr_touch (false);
1026	}	1004	#endif
1027	}
1028
1029	old_width = szHint.width;
1030	old_height = szHint.height;
1031		1005
1032	#ifdef USE_XIM	1006	#ifdef USE_XIM
1033	IMSetStatusPosition ();	1007	IMSetPosition ();
1034	#endif	1008	#endif
1035	}	1009	}
1036		1010
1037	/*	1011	/*
1038	* Set the width/height of the vt window in characters. Units are pixels.	1012	* Set the width/height of the vt window in characters. Units are pixels.
1039	* good for toggling 80/132 columns	1013	* good for toggling 80/132 columns
1040	*/	1014	*/
1041	void	1015	void
1042	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1016	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1043	{	1017	{
1044	XWindowAttributes wattr;	1018	XWindowAttributes wattr;
1045		1019
1046	if (width == 0 || height == 0)	1020	if (newwidth == 0 || newheight == 0)
1047	{	1021	{
1048	XGetWindowAttributes (display->display, display->root, &wattr);	1022	XGetWindowAttributes (dpy, display->root, &wattr);
		1023
1049	if (width == 0)	1024	if (newwidth == 0)
1050	width = wattr.width - szHint.base_width;	1025	newwidth = wattr.width - szHint.base_width;
1051	if (height == 0)	1026	if (newheight == 0)
1052	height = wattr.height - szHint.base_height;	1027	newheight = wattr.height - szHint.base_height;
1053	}
1054	if (width != TermWin.width || height != TermWin.height)
1055	{	1028	}
		1029
		1030	if (newwidth != width || newheight != height)
		1031	{
1056	width += szHint.base_width;	1032	newwidth += szHint.base_width;
1057	height += szHint.base_height;	1033	newheight += szHint.base_height;
1058	resize_all_windows (width, height, 0);	1034	resize_all_windows (newwidth, newheight, 0);
1059	}	1035	}
1060	}	1036	}
1061		1037
1062	/* -------------------------------------------------------------------- *	1038	/* -------------------------------------------------------------------- *
1063	* - X INPUT METHOD ROUTINES - *	1039	* - X INPUT METHOD ROUTINES - *
1064	* -------------------------------------------------------------------- */	1040	* -------------------------------------------------------------------- */
1065	#ifdef USE_XIM	1041	#ifdef USE_XIM
1066		1042
1067	void	1043	void
		1044	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1045	{
		1046	fg = pix_colors [Color_fg];
		1047	bg = pix_colors [Color_bg];
		1048	}
		1049
		1050	void
1068	rxvt_term::im_set_size (XRectangle *size)	1051	rxvt_term::im_set_size (XRectangle &size)
1069	{	1052	{
1070	size->x = TermWin.int_bwidth;	1053	// the int_bwidth terms make no sense to me
1071	size->y = TermWin.int_bwidth;	1054	size.x = int_bwidth;
1072	size->width = Width2Pixel (TermWin.ncol);	1055	size.y = int_bwidth;
1073	size->height = Height2Pixel (TermWin.nrow);	1056	size.width = Width2Pixel (ncol) + int_bwidth;
		1057	size.height = Height2Pixel (nrow) + int_bwidth;
1074	}	1058	}
1075		1059
1076	void	1060	void
1077	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1061	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1062	XRectangle &status_rect,
		1063	const XRectangle &needed_rect)
1078	{	1064	{
1079	*fg = PixColors[Color_fg];	1065	preedit_rect.x = needed_rect.width;
1080	*bg = PixColors[Color_bg];	1066	preedit_rect.y = 0;
		1067	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1068	preedit_rect.height = fheight;
		1069
		1070	status_rect.x = 0;
		1071	status_rect.y = 0;
		1072	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1073	status_rect.height = fheight;
1081	}	1074	}
1082		1075
1083	/* Checking whether input method is running. */	1076	/* Checking whether input method is running. */
1084	bool	1077	bool
1085	rxvt_term::IMisRunning ()	1078	rxvt_term::IMisRunning ()
1086	{	1079	{
1087	char *p;	1080	Atom atom;
1088	Atom atom;	1081	Window win;
1089	Window win;
1090	char server[IMBUFSIZ];	1082	char server[IMBUFSIZ];
1091		1083
1092	/* get current locale modifier */	1084	/* get current locale modifier */
1093	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1085	if (char *p = XSetLocaleModifiers (0))
1094	{	1086	{
1095	STRCPY (server, "@server=");	1087	strcpy (server, "@server=");
1096	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1088	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1089
1097	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1090	if (p = strchr (server + 1, '@')) /* first one only */
1098	*p = '\0';	1091	*p = '\0';
1099		1092
1100	atom = XInternAtom (display->display, server, False);	1093	atom = XInternAtom (dpy, server, False);
1101	win = XGetSelectionOwner (display->display, atom);	1094	win = XGetSelectionOwner (dpy, atom);
		1095
1102	if (win != None)	1096	if (win != None)
1103	return True;	1097	return True;
1104	}	1098	}
		1099
1105	return False;	1100	return False;
1106	}	1101	}
1107		1102
1108	void	1103	void
1109	rxvt_term::IMSendSpot ()	1104	rxvt_term::IMSendSpot ()
1110	{	1105	{
1111	XPoint spot;	1106	XPoint nspot;
1112	XVaNestedList preedit_attr;	1107	XVaNestedList preedit_attr;
1113		1108
1114	if (Input_Context == NULL	1109	if (!Input_Context
1115	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1110	|| !focus
1116	|| ! (event_type == KeyPress	1111	|| !(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;	1112	return;
1123		1113
1124	im_set_position (&spot);	1114	im_set_position (nspot);
		1115
		1116	if (nspot.x == spot.x && nspot.y == spot.y)
		1117	return;
		1118
		1119	spot = nspot;
1125		1120
1126	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1121	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1127	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1122	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1128	XFree (preedit_attr);	1123	XFree (preedit_attr);
1129	}	1124	}
1130		1125
1131	void	1126	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	}
1155
1156	void
1157	rxvt_term::im_destroy ()	1127	rxvt_term::im_destroy ()
1158	{	1128	{
1159	if (Input_Context)
1160	{
1161	XDestroyIC (Input_Context);
1162	Input_Context = NULL;
1163	}
1164
1165	if (input_method)	1129	if (input_method)
1166	{	1130	{
		1131	if (Input_Context && input_method->xim)
		1132	XDestroyIC (Input_Context);
		1133
1167	display->put_xim (input_method);	1134	display->put_xim (input_method);
1168	input_method = 0;	1135	input_method = 0;
1169	}	1136	}
		1137
		1138	Input_Context = 0;
1170	}	1139	}
		1140
		1141	#ifdef ENABLE_XIM_ONTHESPOT
		1142
		1143	static void
		1144	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1145	{
		1146	((rxvt_term *)client_data)->make_current ();
		1147	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1148	}
		1149
		1150	static void
		1151	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1152	{
		1153	((rxvt_term *)client_data)->make_current ();
		1154	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1155	}
		1156
		1157	static void
		1158	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1159	{
		1160	rxvt_term *term = (rxvt_term *)client_data;
		1161	XIMText *text = call_data->text;
		1162
		1163	term->make_current ();
		1164
		1165	if (text)
		1166	{
		1167	wchar_t *str;
		1168
		1169	if (!text->encoding_is_wchar && text->string.multi_byte)
		1170	{
		1171	// of course, X makes it ugly again
		1172	if (term->rs[Rs_imLocale])
		1173	SET_LOCALE (term->rs[Rs_imLocale]);
		1174
		1175	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1176	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1177
		1178	if (term->rs[Rs_imLocale])
		1179	SET_LOCALE (term->locale);
		1180	}
		1181	else
		1182	str = text->string.wide_char;
		1183
		1184	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1185	DT_INT, call_data->caret,
		1186	DT_INT, call_data->chg_first,
		1187	DT_INT, call_data->chg_length,
		1188	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1189	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1190	DT_END));
		1191	}
		1192	else
		1193	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1194	DT_INT, call_data->caret,
		1195	DT_INT, call_data->chg_first,
		1196	DT_INT, call_data->chg_length,
		1197	DT_END));
		1198	}
		1199
		1200	#if 0
		1201	static void
		1202	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1203	{
		1204	((rxvt_term *)client_data)->make_current ();
		1205	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1206	DT_INT, call_data->position,
		1207	DT_INT, call_data->direction,
		1208	DT_INT, call_data->style,
		1209	DT_END));
		1210	}
		1211	#endif
		1212
		1213	#endif
1171		1214
1172	/*	1215	/*
1173	* Try to open a XIM with the current modifiers, then see if we can	1216	* Try to open a XIM with the current modifiers, then see if we can
1174	* open a suitable preedit type	1217	* open a suitable preedit type
1175	*/	1218	*/
1176	bool	1219	bool
1177	rxvt_term::IM_get_IC (const char *modifiers)	1220	rxvt_term::IM_get_IC (const char *modifiers)
1178	{	1221	{
1179	int i, j, found;	1222	int i, j, found;
1180	XIM xim;	1223	XIM xim;
1181	XPoint spot;	1224	XPoint spot;
1182	XRectangle rect, status_rect, needed_rect;	1225	XRectangle rect, status_rect, needed_rect;
1183	unsigned long fg, bg;	1226	unsigned long fg, bg;
1184	const char *p;	1227	const char *p;
1185	char **s;	1228	char **s;
1186	XIMStyles *xim_styles;	1229	XIMStyles *xim_styles;
1187	XVaNestedList preedit_attr, status_attr;	1230	#ifdef ENABLE_XIM_ONTHESPOT
		1231	XIMCallback xcb[4];
		1232	#endif
		1233
		1234	set_environ (envv);
1188		1235
1189	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1236	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1190	return false;	1237	return false;
1191		1238
1192	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1193	input_method = display->get_xim (locale, modifiers);	1239	input_method = display->get_xim (locale, modifiers);
1194	if (input_method == NULL)	1240	if (input_method == NULL)
1195	return false;	1241	return false;
1196		1242
1197	xim = input_method->xim;	1243	xim = input_method->xim;
		1244	spot.x = spot.y = -1;
1198		1245
1199	xim_styles = NULL;	1246	xim_styles = NULL;
1200	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1247	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1201	|| !xim_styles || !xim_styles->count_styles)	1248	|| !xim_styles || !xim_styles->count_styles)
1202	{	1249	{
1203	display->put_xim (input_method);	1250	im_destroy ();
1204	return false;	1251	return false;
1205	}	1252	}
1206		1253
1207	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1254	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1255
		1256	for (int pi = 0; pi < 2; pi++)
		1257	{
		1258	p = pet[pi];
		1259
		1260	if (!p)
		1261	continue;
		1262
1208	s = rxvt_splitcommastring (p);	1263	s = rxvt_splitcommastring (p);
		1264
1209	for (i = found = 0; !found && s[i]; i++)	1265	for (i = found = 0; !found && s[i]; i++)
1210	{	1266	{
1211	if (!STRCMP (s[i], "OverTheSpot"))	1267	if (!strcmp (s[i], "OverTheSpot"))
1212	input_style = (XIMPreeditPosition | XIMStatusNothing);	1268	input_style = XIMPreeditPosition | XIMStatusNothing;
1213	else if (!STRCMP (s[i], "OffTheSpot"))	1269	else if (!strcmp (s[i], "OffTheSpot"))
1214	input_style = (XIMPreeditArea | XIMStatusArea);	1270	input_style = XIMPreeditArea | XIMStatusArea;
1215	else if (!STRCMP (s[i], "Root"))	1271	else if (!strcmp (s[i], "Root"))
1216	input_style = (XIMPreeditNothing | XIMStatusNothing);	1272	input_style = XIMPreeditNothing | XIMStatusNothing;
		1273	else if (!strcmp (s[i], "None"))
		1274	input_style = XIMPreeditNone | XIMStatusNone;
		1275	#ifdef ENABLE_XIM_ONTHESPOT
		1276	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1277	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1278	#endif
		1279	else
		1280	input_style = XIMPreeditNothing | XIMStatusNothing;
1217		1281
1218	for (j = 0; j < xim_styles->count_styles; j++)	1282	for (j = 0; j < xim_styles->count_styles; j++)
1219	if (input_style == xim_styles->supported_styles[j])	1283	if (input_style == xim_styles->supported_styles[j])
1220	{	1284	{
		1285	rxvt_freecommastring (s);
		1286
1221	found = 1;	1287	found = 1;
1222	break;	1288	goto foundpet;
		1289	}
		1290
1223	}	1291	}
1224	}
1225		1292
1226	for (i = 0; s[i]; i++)	1293	rxvt_freecommastring (s);
1227	free (s[i]);	1294	}
1228		1295
1229	free (s);	1296	foundpet:
		1297
1230	XFree (xim_styles);	1298	XFree (xim_styles);
1231		1299
1232	if (!found)	1300	if (!found)
1233	{	1301	{
1234	display->put_xim (input_method);	1302	im_destroy ();
1235	return false;	1303	return false;
1236	}	1304	}
1237		1305
1238	preedit_attr = status_attr = NULL;	1306	XFontSet fs = 0;
		1307	XVaNestedList preedit_attr = 0, status_attr = 0;
		1308
		1309	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1310	{
		1311	// fake us a font-set, please
		1312	char **missing_charset_list;
		1313	int missing_charset_count;
		1314	char *def_string;
		1315	char pat[512];
		1316
		1317	sprintf (pat,
		1318	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1319	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1320	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1321	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1322	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1323	"*",
		1324	fheight,
		1325	fheight + 1, fheight - 1,
		1326	fheight - 2, fheight + 2);
		1327
		1328	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1329	&missing_charset_list, &missing_charset_count, &def_string);
		1330
		1331	if (missing_charset_list)
		1332	XFreeStringList (missing_charset_list);
		1333
		1334	if (!fs)
		1335	{
		1336	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1337	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1338	}
		1339	}
1239		1340
1240	if (input_style & XIMPreeditPosition)	1341	if (input_style & XIMPreeditPosition)
1241	{	1342	{
1242	im_set_size (&rect);	1343	im_set_size (rect);
1243	im_set_position (&spot);	1344	im_set_position (spot);
1244	im_set_color (&fg, &bg);	1345	im_set_color (fg, bg);
1245		1346
1246	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1347	preedit_attr = XVaCreateNestedList (0,
		1348	XNForeground, fg,
		1349	XNBackground, bg,
		1350	XNArea, &rect,
1247	XNSpotLocation, &spot,	1351	XNSpotLocation, &spot,
1248	XNForeground, fg, XNBackground, bg,
1249	//XNFontSet, TermWin.fontset,	1352	XNFontSet, fs,
1250	NULL);	1353	NULL);
1251	}	1354	}
1252	else if (input_style & XIMPreeditArea)	1355	else if (input_style & XIMPreeditArea)
1253	{	1356	{
1254	im_set_color (&fg, &bg);	1357	im_set_color (fg, bg);
1255		1358
1256	/*	1359	/*
1257	* The necessary width of preedit area is unknown	1360	* The necessary width of preedit area is unknown
1258	* until create input context.	1361	* until create input context.
1259	*/	1362	*/
1260	needed_rect.width = 0;	1363	needed_rect.width = 0;
1261
1262	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1364	im_set_preedit_area (rect, status_rect, needed_rect);
1263		1365
1264	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1366	preedit_attr = XVaCreateNestedList (0,
		1367	XNForeground, fg,
1265	XNForeground, fg, XNBackground, bg,	1368	XNBackground, bg,
		1369	XNArea, &rect,
		1370	XNFontSet, fs,
		1371	NULL);
		1372	status_attr = XVaCreateNestedList (0,
		1373	XNForeground, fg,
		1374	XNBackground, bg,
		1375	XNArea, &status_rect,
1266	//XNFontSet, TermWin.fontset,	1376	XNFontSet, fs,
1267	NULL);	1377	NULL);
1268	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1378	}
1269	XNForeground, fg, XNBackground, bg,	1379	#if ENABLE_XIM_ONTHESPOT
1270	//XNFontSet, TermWin.fontset,	1380	else if (input_style & XIMPreeditCallbacks)
		1381	{
		1382	im_set_position (spot);
		1383
		1384	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1385	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1386	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1387	# if 0
		1388	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1389	# endif
		1390
		1391	preedit_attr = XVaCreateNestedList (0,
		1392	XNSpotLocation, &spot,
		1393	XNPreeditStartCallback, &xcb[0],
		1394	XNPreeditDoneCallback , &xcb[1],
		1395	XNPreeditDrawCallback , &xcb[2],
		1396	# if 0
		1397	XNPreeditCaretCallback, &xcb[3],
		1398	# endif
1271	NULL);	1399	NULL);
1272	}	1400	}
		1401	#endif
1273		1402
1274	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1403	Input_Context = XCreateIC (xim,
		1404	XNInputStyle, input_style,
1275	XNClientWindow, TermWin.parent[0],	1405	XNClientWindow, vt,
1276	XNFocusWindow, TermWin.parent[0],	1406	XNFocusWindow, parent[0],
1277	preedit_attr ? XNPreeditAttributes : NULL,	1407	preedit_attr ? XNPreeditAttributes : NULL,
1278	preedit_attr,	1408	preedit_attr,
1279	status_attr ? XNStatusAttributes : NULL,	1409	status_attr ? XNStatusAttributes : NULL,
1280	status_attr, NULL);	1410	status_attr, NULL);
		1411
1281	if (preedit_attr) XFree (preedit_attr);	1412	if (preedit_attr) XFree (preedit_attr);
1282	if (status_attr) XFree (status_attr);	1413	if (status_attr) XFree (status_attr);
		1414	if (fs) XFreeFontSet (dpy, fs);
1283		1415
1284	if (Input_Context == NULL)	1416	if (Input_Context == NULL)
1285	{	1417	{
1286	rxvt_print_error ("failed to create input context");	1418	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1287	display->put_xim (input_method);	1419	im_destroy ();
1288	return false;	1420	return false;
1289	}	1421	}
1290		1422
1291	if (input_style & XIMPreeditArea)	1423	#if 0
		1424	// unfortunately, only the focus window is used by XIM, hard to fix
		1425	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1426	vt_select_input ();
		1427	#endif
		1428
1292	IMSetStatusPosition ();	1429	IMSetPosition ();
1293		1430
1294	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1295	return true;	1431	return true;
1296	}	1432	}
1297		1433
1298	void	1434	void
1299	rxvt_term::im_cb ()	1435	rxvt_term::im_cb ()
1300	{	1436	{
1301	int i, found, had_im;	1437	int i;
1302	const char *p;	1438	const char *p;
1303	char **s;	1439	char **s;
1304	char buf[IMBUFSIZ];	1440	char buf[IMBUFSIZ];
1305		1441
		1442	make_current ();
		1443
1306	im_destroy ();	1444	im_destroy ();
1307		1445
1308	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1309	if (Input_Context)	1446	if (Input_Context)
1310	return;	1447	return;
1311		1448
1312	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1449	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1313	if (rs[Rs_imLocale])	1450	if (rs[Rs_imLocale])
1314	setlocale (LC_CTYPE, rs[Rs_imLocale]);	1451	SET_LOCALE (rs[Rs_imLocale]);
1315	#endif	1452	#endif
1316		1453
1317	p = rs[Rs_inputMethod];	1454	p = rs[Rs_inputMethod];
1318	if (p && *p)	1455	if (p && *p)
1319	{	1456	{
1320	bool found = false;	1457	bool found = false;
1321		1458
1322	s = rxvt_splitcommastring (p);	1459	s = rxvt_splitcommastring (p);
		1460
1323	for (i = 0; s[i]; i++)	1461	for (i = 0; s[i]; i++)
1324	{	1462	{
1325	if (*s[i])	1463	if (*s[i])
1326	{	1464	{
1327	STRCPY (buf, "@im=");	1465	strcpy (buf, "@im=");
1328	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1466	strncat (buf, s[i], IMBUFSIZ - 5);
1329	if (IM_get_IC (buf))	1467	if (IM_get_IC (buf))
1330	{	1468	{
1331	found = true;	1469	found = true;
1332	break;	1470	break;
1333	}	1471	}
1334	}	1472	}
1335	}	1473	}
1336	for (i = 0; s[i]; i++)	1474
1337	free (s[i]);	1475	rxvt_freecommastring (s);
1338	free (s);
1339		1476
1340	if (found)	1477	if (found)
1341	goto done;	1478	goto done;
1342	}	1479	}
1343		1480
…		…
1350	goto done;	1487	goto done;
1351		1488
1352	done:	1489	done:
1353	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1490	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1354	if (rs[Rs_imLocale])	1491	if (rs[Rs_imLocale])
1355	setlocale (LC_CTYPE, locale);	1492	SET_LOCALE (locale);
1356	#endif	1493	#endif
1357	}	1494	}
1358		1495
1359	void	1496	void
1360	rxvt_term::IMSetStatusPosition ()	1497	rxvt_term::IMSetPosition ()
1361	{	1498	{
1362	XRectangle preedit_rect, status_rect, *needed_rect;	1499	XRectangle preedit_rect, status_rect, *needed_rect;
1363	XVaNestedList preedit_attr, status_attr;	1500	XVaNestedList preedit_attr, status_attr;
1364		1501
1365	if (Input_Context == NULL	1502	if (!Input_Context
1366	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1503	|| !focus
		1504	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1367	|| !IMisRunning ())	1505	|| !IMisRunning ())
1368	return;	1506	return;
1369		1507
		1508	if (input_style & XIMPreeditPosition)
		1509	{
		1510	im_set_size (preedit_rect);
		1511	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1512
		1513	XSetICValues (Input_Context,
		1514	XNPreeditAttributes, preedit_attr, NULL);
		1515	}
		1516	else
		1517	{
1370	/* Getting the necessary width of preedit area */	1518	/* Getting the necessary width of preedit area */
1371	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1519	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1372	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1520	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1373	XFree (status_attr);	1521	XFree (status_attr);
1374		1522
1375	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1523	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1524	XFree (needed_rect);
1376		1525
1377	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1526	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1378	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1527	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1379		1528
1380	XSetICValues (Input_Context,	1529	XSetICValues (Input_Context,
1381	XNPreeditAttributes, preedit_attr,	1530	XNPreeditAttributes, preedit_attr,
1382	XNStatusAttributes, status_attr, NULL);	1531	XNStatusAttributes, status_attr,
		1532	NULL);
1383		1533
		1534	XFree (status_attr);
		1535	}
		1536
1384	XFree (preedit_attr);	1537	XFree (preedit_attr);
1385	XFree (status_attr);
1386	}	1538	}
1387	#endif /* USE_XIM */	1539	#endif /* USE_XIM */
1388		1540
1389	/*----------------------------------------------------------------------*/	1541	void
1390	rxvt_t rxvt_current_term;	1542	rxvt_term::get_window_origin (int &x, int &y)
		1543	{
		1544	Window cr;
		1545	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1546	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1547	}
		1548
		1549	Pixmap
		1550	rxvt_term::get_pixmap_property (int prop_id)
		1551	{
		1552	if (prop_id > 0 && prop_id < NUM_XA)
		1553	if (xa[prop_id])
		1554	{
		1555	int aformat;
		1556	unsigned long nitems, bytes_after;
		1557	Atom atype;
		1558	unsigned char *prop = NULL;
		1559	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1560	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1561	&nitems, &bytes_after, &prop);
		1562	if (result == Success && prop && atype == XA_PIXMAP)
		1563	return *(Pixmap *)prop;
		1564	}
		1565
		1566	return None;
		1567	}
		1568
		1569	#ifdef HAVE_BG_PIXMAP
		1570	# if TRACE_PIXMAPS
		1571	# undef update_background
		1572	void
		1573	rxvt_term::trace_update_background (const char *file, int line)
		1574	{
		1575	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1576	update_background ();
		1577	}
		1578	# endif
		1579
		1580	void
		1581	rxvt_term::update_background ()
		1582	{
		1583	if (update_background_ev.is_active ())
		1584	return;
		1585
		1586	bgPixmap.invalidate ();
		1587
		1588	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1589
		1590	if (to_wait <= 0.)
		1591	bgPixmap.render ();
		1592	else
		1593	update_background_ev.start (to_wait);
		1594	}
		1595
		1596	void
		1597	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1598	{
		1599	make_current ();
		1600
		1601	update_background_ev.stop ();
		1602	bgPixmap.render ();
		1603	refresh_check ();
		1604	}
		1605
		1606	#endif /* HAVE_BG_PIXMAP */
1391		1607
1392	/*----------------------- end-of-file (C source) -----------------------*/	1608	/*----------------------- end-of-file (C source) -----------------------*/

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