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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.25 by pcg, Sat Jan 31 03:27:45 2004 UTC vs.
Revision 1.309 by root, Wed Feb 27 01:02:33 2008 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	{
		156	#if HAVE_BG_PIXMAP
		157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		158	#endif
77	#ifdef CURSOR_BLINK	159	#ifdef CURSOR_BLINK
78	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);
79	#endif	161	#endif
80	#ifdef TEXT_BLINK	162	#ifdef TEXT_BLINK
81	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),
82	#endif	180	#endif
83	#ifdef POINTER_BLANK	181	#ifdef POINTER_BLANK
84	pointer_ev (this, &rxvt_term::pointer_cb),	182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
85	#endif	183	#endif
86	check_ev (this, &rxvt_term::check_cb),	184	#ifndef NO_BELL
87	destroy_ev (this, &rxvt_term::destroy_cb),	185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
88	pty_ev (this, &rxvt_term::pty_cb),	186	#endif
89	x_ev (this, &rxvt_term::x_cb),	187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
90	incr_ev (this, &rxvt_term::incr_cb)	188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
91	{	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
92	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	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;
93	}	214	}
94		215
95	rxvt_term::~rxvt_term ()	216	rxvt_term::~rxvt_term ()
96	{	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
		233	if (display)
		234	{
		235	selection_clear ();
		236
		237	#ifdef USE_XIM
		238	im_destroy ();
		239	#endif
		240	scrollBar.destroy ();
		241	if (gc) XFreeGC (dpy, gc);
		242
		243	delete drawable;
		244	// destroy all windows
		245	if (parent[0])
		246	XDestroyWindow (dpy, parent[0]);
		247
		248	for (int i = 0; i < TOTAL_COLORS; i++)
		249	if (ISSET_PIXCOLOR (i))
		250	{
		251	pix_colors_focused [i].free (this);
		252	#if OFF_FOCUS_FADING
		253	pix_colors_unfocused [i].free (this);
		254	#endif
		255	}
		256
		257	clear ();
		258
		259	display->flush (); /* ideally .put should do this */
		260	displays.put (display);
		261	}
		262
97	scr_release ();	263	scr_release ();
98		264
		265	/* clear all resources */
		266	for (int i = 0; i < allocated.size (); i++)
		267	free (allocated [i]);
		268
		269	free (selection.text);
		270	// TODO: manage env vars in child only(!)
		271	free (env_display);
		272	free (env_term);
99	free (locale);	273	free (locale);
100	free (codeset);	274	free (v_buffer);
		275	free (incr_buf);
101		276
102	#ifndef NO_SETOWNER_TTYDEV	277	delete envv;
103	privileged_ttydev (RESTORE);	278	delete argv;
104	#endif
105	#ifdef UTMP_SUPPORT
106	privileged_utmp (RESTORE);
107	#endif
108	#ifdef USE_XIM
109	if (Input_Context != NULL)
110	{
111	XDestroyIC (Input_Context);
112	Input_Context = NULL;
113	}
114	#endif
115		279
116	if (cmd_fd >= 0)	280	#ifdef KEYSYM_RESOURCE
117	close (cmd_fd);	281	delete keyboard;
		282	#endif
		283	#ifndef NO_RESOURCES
		284	XrmDestroyDatabase (option_db);
		285	#endif
		286	}
118		287
119	if (Xfd >= 0)	288	// child has exited, usually destroys
120	XCloseDisplay (Xdisplay);	289	void
		290	rxvt_term::child_cb (ev::child &w, int status)
		291	{
		292	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
121		293
122	delete PixColors;	294	cmd_pid = 0;
		295
		296	if (!option (Opt_hold))
		297	destroy ();
123	}	298	}
124		299
125	void	300	void
126	rxvt_term::destroy ()	301	rxvt_term::destroy ()
127	{	302	{
		303	if (destroy_ev.is_active ())
		304	return;
		305
		306	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		307
		308	#if ENABLE_OVERLAY
		309	scr_overlay_off ();
		310	#endif
		311
		312	if (display)
		313	{
		314	#if USE_XIM
		315	im_ev.stop (display);
		316	#endif
		317	scrollbar_ev.stop (display);
		318	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		319	rootwin_ev.stop (display);
		320	#endif
		321	incr_ev.stop ();
		322	termwin_ev.stop (display);
		323	vt_ev.stop (display);
		324	}
		325
128	check_ev.stop ();	326	flush_ev.stop ();
129	pty_ev.stop ();	327	pty_ev.stop ();
130	x_ev.stop ();
131	#ifdef CURSOR_BLINK	328	#ifdef CURSOR_BLINK
132	cursor_blink_ev.stop ();	329	cursor_blink_ev.stop ();
133	#endif	330	#endif
134	#ifdef TEXT_BLINK	331	#ifdef TEXT_BLINK
135	text_blink_ev.stop ();	332	text_blink_ev.stop ();
136	#endif	333	#endif
		334	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		335	cont_scroll_ev.stop ();
		336	#endif
		337	#ifdef SELECTION_SCROLLING
		338	sel_scroll_ev.stop ();
		339	#endif
137	#ifdef POINTER_BLANK	340	#ifdef POINTER_BLANK
138	pointer_ev.stop ();	341	pointer_ev.stop ();
139	#endif	342	#endif
140		343
141	destroy_ev.start (0);	344	destroy_ev.start ();
142	}	345	}
143		346
144	void	347	void
145	rxvt_term::destroy_cb (time_watcher &w)	348	rxvt_term::destroy_cb (ev::idle &w, int revents)
146	{	349	{
147	SET_R (this);	350	make_current ();
148		351
149	delete this;	352	delete this;
150	}
151
152	/*----------------------------------------------------------------------*/
153	/* rxvt_init() */
154	/* LIBPROTO */
155	rxvt_t
156	rxvt_init (int argc, const char *const *argv)
157	{
158	SET_R (new rxvt_term);
159
160	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
161	{
162	delete GET_R;
163	SET_R (0);
164	}
165
166	return GET_R;
167	}
168
169	void
170	rxvt_init_signals ()
171	{
172	/* install exit handler for cleanup */
173	#if 0
174	#ifdef HAVE_ATEXIT
175	atexit(rxvt_clean_exit);
176	#else
177	#endif
178	#endif
179
180	struct sigaction sa;
181
182	sigfillset (&sa.sa_mask);
183	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
184	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
185	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
186	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
187	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
188	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
189	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
190
191	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
192	/* signal (SIGURG, SIG_DFL); */
193
194	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
195	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
196	}
197
198	bool
199	rxvt_term::init (int argc, const char *const *argv)
200	{
201	/*
202	* Save and then give up any super-user privileges
203	* If we need privileges in any area then we must specifically request it.
204	* We should only need to be root in these cases:
205	* 1. write utmp entries on some systems
206	* 2. chown tty on some systems
207	*/
208	privileges (SAVE);
209	privileges (IGNORE);
210
211	init_secondary ();
212
213	const char **cmd_argv = init_resources (argc, argv);
214
215	set_locale ("");
216
217	#if (MENUBAR_MAX)
218	menubar_read (rs[Rs_menu]);
219	#endif
220	#ifdef HAVE_SCROLLBARS
221	if (Options & Opt_scrollBar)
222	scrollBar.setIdle (); /* set existence for size calculations */
223	#endif
224
225	create_windows (argc, argv);
226
227	init_xlocale ();
228
229	scr_reset (); /* initialize screen */
230	#ifdef RXVT_GRAPHICS
231	Gr_reset (); /* reset graphics */
232	#endif
233
234	#if 0
235	#ifdef DEBUG_X
236	XSynchronize(Xdisplay, True);
237	#endif
238	#endif
239
240	#ifdef HAVE_SCROLLBARS
241	if (Options & Opt_scrollBar)
242	resize_scrollbar (); /* create and map scrollbar */
243	#endif
244	#if (MENUBAR_MAX)
245	if (menubar_visible(r))
246	XMapWindow (Xdisplay, menuBar.win);
247	#endif
248	#ifdef TRANSPARENT
249	if (Options & Opt_transparent)
250	{
251	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
252	check_our_parents ();
253	}
254	#endif
255	XMapWindow (Xdisplay, TermWin.vt);
256	XMapWindow (Xdisplay, TermWin.parent[0]);
257
258	init_env ();
259	init_command (cmd_argv);
260
261	x_ev.start (Xfd, EVENT_READ);
262	pty_ev.start (cmd_fd, EVENT_READ);
263
264	check_ev.start ();
265
266	process_x_events ();
267
268	return true;
269	}
270
271	/* ------------------------------------------------------------------------- *
272	* SIGNAL HANDLING & EXIT HANDLER *
273	* ------------------------------------------------------------------------- */
274	/*
275	* Catch a SIGCHLD signal and exit if the direct child has died
276	*/
277	/* ARGSUSED */
278	/* EXTPROTO */
279	RETSIGTYPE
280	rxvt_Child_signal(int sig __attribute__ ((unused)))
281	{
282	int pid, save_errno = errno;
283	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
284	;
285	errno = save_errno;
286
287	#if 0
288	if (pid == cmd_pid)
289	exit (EXIT_SUCCESS);
290	#endif
291	}
292
293	/*
294	* Catch a fatal signal and tidy up before quitting
295	*/
296	/* EXTPROTO */
297	RETSIGTYPE
298	rxvt_Exit_signal(int sig)
299	{
300	signal(sig, SIG_DFL);
301	#ifdef DEBUG_CMD
302	rxvt_print_error("signal %d", sig);
303	#endif
304	rxvt_clean_exit();
305	kill(getpid(), sig);
306	}
307
308	/* ARGSUSED */
309	/* EXTPROTO */
310	int
311	rxvt_xerror_handler(const Display * display
312	__attribute__ ((unused)), const XErrorEvent * event)
313	{
314	if (GET_R->allowedxerror == -1)
315	GET_R->allowedxerror = event->error_code;
316	else
317	{
318	rxvt_print_error("XError: Request: %d . %d, Error: %d",
319	event->request_code, event->minor_code,
320	event->error_code);
321
322	GET_R->destroy ();
323	}
324
325	return 0;
326	}	353	}
327		354
328	/*----------------------------------------------------------------------*/	355	/*----------------------------------------------------------------------*/
329	/*	356	/*
330	* Exit gracefully, clearing the utmp entry and restoring tty attributes	357	* Exit gracefully, clearing the utmp entry and restoring tty attributes
331	* TODO: if debugging, this should free up any known resources if we can	358	* TODO: if debugging, this should free up any known resources if we can
332	*/	359	*/
333	/* EXTPROTO */	360	static XErrorHandler old_xerror_handler;
334	void
335	rxvt_clean_exit ()
336	{
337	GET_R->destroy ();
338	}
339		361
340	/* ------------------------------------------------------------------------- *	362	static void
341	* MEMORY ALLOCATION WRAPPERS *	363	rxvt_emergency_cleanup ()
342	* ------------------------------------------------------------------------- */
343	/* EXTPROTO */
344	void *
345	rxvt_malloc(size_t size)
346	{	364	{
347	void *p;	365	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
348		366	(*t)->emergency_cleanup ();
349	p = malloc(size);
350	if (p)
351	return p;
352
353	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
354	rxvt_clean_exit();
355	exit(EXIT_FAILURE);
356	/* NOTREACHED */
357	}	367	}
358		368
359	/* EXTPROTO */	369	#if !ENABLE_MINIMAL
360	void *	370	static void
361	rxvt_calloc(size_t number, size_t size)	371	print_x_error (Display *dpy, XErrorEvent *event)
362	{	372	{
363	void *p;	373	char buffer[BUFSIZ];
364		374	char mesg[BUFSIZ];
365	p = calloc(number, size);	375	char number[32];
366	if (p)	376	char *mtype = "XlibMessage";
367	return p;	377	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
368		378	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
369	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	379	rxvt_warn ("An X Error occured, trying to continue after report.\n");
370	rxvt_clean_exit();	380	rxvt_warn ("%s: %s\n", mesg, buffer);
371	exit(EXIT_FAILURE);	381	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
372	/* NOTREACHED */	382	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		383	sprintf(number, "%d", event->request_code);
		384	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		385	rxvt_warn ("(which is %s)\n", buffer);
		386	if (event->request_code >= 128) {
		387	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		388	mesg, BUFSIZ);
		389	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		390	}
		391	if ((event->error_code == BadWindow) ||
		392	(event->error_code == BadPixmap) ||
		393	(event->error_code == BadCursor) ||
		394	(event->error_code == BadFont) ||
		395	(event->error_code == BadDrawable) ||
		396	(event->error_code == BadColor) ||
		397	(event->error_code == BadGC) ||
		398	(event->error_code == BadIDChoice) ||
		399	(event->error_code == BadValue) ||
		400	(event->error_code == BadAtom)) {
		401	if (event->error_code == BadValue)
		402	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		403	mesg, BUFSIZ);
		404	else if (event->error_code == BadAtom)
		405	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		406	mesg, BUFSIZ);
		407	else
		408	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		409	mesg, BUFSIZ);
		410	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		411	}
		412	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		413	mesg, BUFSIZ);
		414	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
373	}	415	}
374
375	/* EXTPROTO */
376	void *
377	rxvt_realloc(void *ptr, size_t size)
378	{
379	void *p;
380
381	if (ptr)
382	p = realloc(ptr, size);
383	else
384	p = malloc(size);
385	if (p)
386	return p;
387
388	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
389	rxvt_clean_exit();
390	exit(EXIT_FAILURE);
391	/* NOTREACHED */
392	}
393
394	/* ------------------------------------------------------------------------- *
395	* PRIVILEGED OPERATIONS *
396	* ------------------------------------------------------------------------- */
397	/* take care of suid/sgid super-user (root) privileges */
398	void
399	rxvt_term::privileges (int mode)
400	{
401	#if ! defined(__CYGWIN32__)
402	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
403	/* setreuid() is the poor man's setuid(), seteuid() */
404	# define seteuid(a) setreuid(-1, (a))
405	# define setegid(a) setregid(-1, (a))
406	# define HAVE_SETEUID
407	# endif	416	#endif
408	# ifdef HAVE_SETEUID	417
409	switch (mode) {	418	int
410	case IGNORE:	419	rxvt_xerror_handler (Display *display, XErrorEvent *event)
411	/*	420	{
412	* change effective uid/gid - not real uid/gid - so we can switch	421	if (GET_R->allowedxerror == -1)
413	* back to root later, as required	422	GET_R->allowedxerror = event->error_code;
414	*/	423	else
415	seteuid(getuid());
416	setegid(getgid());
417	break;
418	case SAVE:
419	euid = geteuid();
420	egid = getegid();
421	break;
422	case RESTORE:
423	seteuid(euid);
424	setegid(egid);
425	break;
426	}	424	{
		425	// GET_R is most likely not the terminal which caused the error,
		426	// so just output the error and continue
		427	#if ENABLE_MINIMAL
		428	old_xerror_handler (display, event);
427	# else	429	#else
428	switch (mode) {	430	print_x_error (display, event);
429	case IGNORE:
430	setuid(getuid());
431	setgid(getgid());
432	/* FALLTHROUGH */
433	case SAVE:
434	/* FALLTHROUGH */
435	case RESTORE:
436	break;
437	}
438	# endif	431	#endif
439	#endif	432	}
440	}
441		433
442	#ifdef UTMP_SUPPORT	434	return 0;
443	void	435	}
444	rxvt_term::privileged_utmp (char action)
445	{
446	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
447	action, next_utmp_action, getpid()));
448	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
449	|| (Options & Opt_utmpInhibit)
450	|| ttydev == NULL || *ttydev == '\0')
451	return;
452		436
453	privileges (RESTORE);	437	int
454	if (action == SAVE) {	438	rxvt_xioerror_handler (Display *display)
455	next_utmp_action = RESTORE;	439	{
456	makeutent (ttydev, rs[Rs_display_name]);	440	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
457	} else { /* action == RESTORE */	441	DisplayString (display));
458	next_utmp_action = IGNORE;	442	rxvt_emergency_cleanup ();
459	cleanutent ();	443	_exit (EXIT_FAILURE);
		444	}
		445
		446	static struct sig_handlers
		447	{
		448	ev::sig sw_term, sw_int;
		449
		450	/*
		451	* Catch a fatal signal and tidy up before quitting
		452	*/
		453	void sig_term (ev::sig &w, int revents);
		454
		455	sig_handlers ()
		456	{
		457	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		458	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
460	}	459	}
461	privileges (IGNORE);	460	} sig_handlers;
462	}
463	#endif
464		461
465	#ifndef NO_SETOWNER_TTYDEV
466	void	462	void
467	rxvt_term::privileged_ttydev (char action)	463	sig_handlers::sig_term (ev::sig &w, int revents)
468	{	464	{
469	D_MAIN((stderr,	465	rxvt_emergency_cleanup ();
470	"privileged_ttydev (%c); waiting for: %c (pid: %d)",	466	w.stop ();
471	action, next_tty_action, getpid()));	467	kill (getpid (), w.signum);
472	if (next_tty_action != action || (action != SAVE && action != RESTORE)
473	|| ttydev == NULL || *ttydev == '\0')
474	return;
475
476	privileges (RESTORE);
477
478	if (action == SAVE) {
479	next_tty_action = RESTORE;
480	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
481	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
482	if (lstat(ttydev, &ttyfd_stat) < 0) /* you lose out */
483	next_tty_action = IGNORE;
484	else
485	# endif
486	{
487	chown(ttydev, getuid(), ttygid); /* fail silently */
488	chmod(ttydev, ttymode);
489	# ifdef HAVE_REVOKE
490	revoke(ttydev);
491	# endif
492	}
493	} else { /* action == RESTORE */
494	next_tty_action = IGNORE;
495	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
496	chmod(ttydev, ttyfd_stat.st_mode);
497	chown(ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
498	# else
499	chmod(ttydev,
500	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
501	chown(ttydev, 0, 0);
502	# endif
503	}
504
505	privileges (IGNORE);
506
507	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
508	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
509	action == RESTORE ? "Restoring" : (action ==
510	SAVE ? "Saving" :
511	"UNKNOWN ERROR for"), ttydev,
512	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
513	ttyfd_stat.st_gid));
514	# endif
515	}	468	}
516	#endif	469
		470	char **rxvt_environ; // startup environment
		471
		472	void
		473	rxvt_init ()
		474	{
		475	ptytty::init ();
		476
		477	if (!ev_default_loop (0))
		478	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		479
		480	rxvt_environ = environ;
		481
		482	signal (SIGHUP, SIG_IGN);
		483	signal (SIGPIPE, SIG_IGN);
		484
		485	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		486	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		487
		488	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		489	/* signal (SIGURG, SIG_DFL); */
		490
		491	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		492	// TODO: handle this with exceptions and tolerate the memory loss
		493	XSetIOErrorHandler (rxvt_xioerror_handler);
		494
		495	XrmInitialize ();
		496	}
517		497
518	/*----------------------------------------------------------------------*/	498	/*----------------------------------------------------------------------*/
519	/*	499	/*
520	* window size/position calculcations for XSizeHint and other storage.	500	* window size/position calculations for XSizeHint and other storage.
521	* if width/height are non-zero then override calculated width/height	501	* if width/height are non-zero then override calculated width/height
522	*/	502	*/
523	void	503	void
524	rxvt_term::window_calc (unsigned int width, unsigned int height)	504	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
525	{	505	{
526	short recalc_x, recalc_y;	506	short recalc_x, recalc_y;
527	int x, y, sb_w, mb_h, flags;	507	int x, y, flags;
528	unsigned int w, h;	508	unsigned int w, h;
529	unsigned int max_width, max_height;	509	unsigned int max_width, max_height;
530		510
531	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
532	TermWin.ncol, TermWin.nrow, szHint.width,
533	szHint.height));
534	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	511	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
535	szHint.win_gravity = NorthWestGravity;	512	szHint.win_gravity = NorthWestGravity;
536	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	513	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
537		514
538	recalc_x = recalc_y = 0;	515	recalc_x = recalc_y = 0;
539	flags = 0;	516	flags = 0;
		517
540	if (!parsed_geometry) {	518	if (!parsed_geometry)
		519	{
541	parsed_geometry = 1;	520	parsed_geometry = 1;
		521
542	if (rs[Rs_geometry])	522	if (rs[Rs_geometry])
543	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	523	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		524
544	if (flags & WidthValue) {	525	if (flags & WidthValue)
545	TermWin.ncol = BOUND_POSITIVE_INT16(w);	526	{
		527	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
546	szHint.flags |= USSize;	528	szHint.flags |= USSize;
547	}	529	}
		530
548	if (flags & HeightValue) {	531	if (flags & HeightValue)
549	TermWin.nrow = BOUND_POSITIVE_INT16(h);	532	{
		533	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
550	szHint.flags |= USSize;	534	szHint.flags |= USSize;
551	}	535	}
		536
552	if (flags & XValue) {	537	if (flags & XValue)
		538	{
553	szHint.x = x;	539	szHint.x = x;
554	szHint.flags |= USPosition;	540	szHint.flags |= USPosition;
		541
555	if (flags & XNegative) {	542	if (flags & XNegative)
		543	{
556	recalc_x = 1;	544	recalc_x = 1;
557	szHint.win_gravity = NorthEastGravity;	545	szHint.win_gravity = NorthEastGravity;
558	}	546	}
559	}	547	}
		548
560	if (flags & YValue) {	549	if (flags & YValue)
		550	{
561	szHint.y = y;	551	szHint.y = y;
562	szHint.flags |= USPosition;	552	szHint.flags |= USPosition;
		553
563	if (flags & YNegative) {	554	if (flags & YNegative)
		555	{
564	recalc_y = 1;	556	recalc_y = 1;
		557
565	if (szHint.win_gravity == NorthEastGravity)	558	if (szHint.win_gravity == NorthEastGravity)
566	szHint.win_gravity = SouthEastGravity;	559	szHint.win_gravity = SouthEastGravity;
567	else	560	else
568	szHint.win_gravity = SouthWestGravity;	561	szHint.win_gravity = SouthWestGravity;
569	}	562	}
570	}	563	}
		564
		565	if (!szHint.width || !szHint.height)
		566	rxvt_fatal ("window width or height must not be zero, aborting.\n");
571	}	567	}
		568
572	/* TODO: BOUNDS */	569	/* TODO: BOUNDS */
573	TermWin.width = TermWin.ncol * TermWin.fwidth;	570	width = ncol * fwidth;
574	TermWin.height = TermWin.nrow * TermWin.fheight;	571	height = nrow * fheight;
575	max_width = MAX_COLS * TermWin.fwidth;	572	max_width = MAX_COLS * fwidth;
576	max_height = MAX_ROWS * TermWin.fheight;	573	max_height = MAX_ROWS * fheight;
577		574
578	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	575	szHint.base_width = szHint.base_height = 2 * int_bwidth;
579		576
580	sb_w = mb_h = 0;
581	window_vt_x = window_vt_y = 0;	577	window_vt_x = window_vt_y = int_bwidth;
582	if (scrollbar_visible ()) {	578
		579	if (scrollBar.state)
		580	{
583	sb_w = scrollbar_TotalWidth();	581	int sb_w = scrollBar.total_width ();
584	szHint.base_width += sb_w;	582	szHint.base_width += sb_w;
		583
585	if (!(Options & Opt_scrollBar_right))	584	if (!option (Opt_scrollBar_right))
586	window_vt_x = sb_w;	585	window_vt_x += sb_w;
587	}	586	}
588	if (menubar_visible ()) {	587
589	mb_h = menuBar_TotalHeight();
590	szHint.base_height += mb_h;
591	window_vt_y = mb_h;
592	}
593	szHint.width_inc = TermWin.fwidth;	588	szHint.width_inc = fwidth;
594	szHint.height_inc = TermWin.fheight;	589	szHint.height_inc = fheight;
595	szHint.min_width = szHint.base_width + szHint.width_inc;	590	szHint.min_width = szHint.base_width + szHint.width_inc;
596	szHint.min_height = szHint.base_height + szHint.height_inc;	591	szHint.min_height = szHint.base_height + szHint.height_inc;
597		592
598	if (width && width - szHint.base_width < max_width) {	593	if (newwidth && newwidth - szHint.base_width < max_width)
		594	{
599	szHint.width = width;	595	szHint.width = newwidth;
600	TermWin.width = width - szHint.base_width;	596	width = newwidth - szHint.base_width;
601	} else {	597	}
602	MIN_IT(TermWin.width, max_width);	598	else
		599	{
		600	min_it (width, max_width);
603	szHint.width = szHint.base_width + TermWin.width;	601	szHint.width = szHint.base_width + width;
604	}	602	}
		603
605	if (height && height - szHint.base_height < max_height) {	604	if (newheight && newheight - szHint.base_height < max_height)
		605	{
606	szHint.height = height;	606	szHint.height = newheight;
607	TermWin.height = height - szHint.base_height;	607	height = newheight - szHint.base_height;
608	} else {	608	}
		609	else
		610	{
609	MIN_IT(TermWin.height, max_height);	611	min_it (height, max_height);
610	szHint.height = szHint.base_height + TermWin.height;	612	szHint.height = szHint.base_height + height;
611	}	613	}
612	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
613	window_sb_x = szHint.width - sb_w;
614		614
615	if (recalc_x)	615	if (recalc_x)
616	szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay))	616	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
617	- szHint.width - 2 * TermWin.ext_bwidth);	617
618	if (recalc_y)	618	if (recalc_y)
619	szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay))	619	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
620	- szHint.height - 2 * TermWin.ext_bwidth);
621		620
622	TermWin.ncol = TermWin.width / TermWin.fwidth;	621	ncol = width / fwidth;
623	TermWin.nrow = TermWin.height / TermWin.fheight;	622	nrow = height / fheight;
624	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
625	TermWin.ncol, TermWin.nrow, szHint.width,
626	szHint.height));
627	return;
628	}	623	}
629		624
630	/*----------------------------------------------------------------------*/	625	/*----------------------------------------------------------------------*/
631	/*	626	/*
632	* Tell the teletype handler what size the window is.	627	* Tell the teletype handler what size the window is.
633	* Called after a window size change.	628	* Called after a window size change.
634	*/	629	*/
635	void	630	void
636	rxvt_term::tt_winch ()	631	rxvt_term::tt_winch ()
637	{	632	{
		633	if (pty->pty < 0)
		634	return;
		635
638	struct winsize ws;	636	struct winsize ws;
639		637
640	if (cmd_fd < 0)
641	return;
642
643	ws.ws_col = TermWin.ncol;	638	ws.ws_col = ncol;
644	ws.ws_row = TermWin.nrow;	639	ws.ws_row = nrow;
645	ws.ws_xpixel = ws.ws_ypixel = 0;	640	ws.ws_xpixel = width;
646	#ifndef DEBUG_SIZE	641	ws.ws_ypixel = height;
647	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	642	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
648	#else	643
649	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	644	#if 0
650	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	645	// TIOCSWINSZ is supposed to do this automatically and correctly
651	# ifdef SIGWINCH
652	else if (cmd_pid) /* force through to the command */	646	if (cmd_pid) /* force through to the command */
653	kill (cmd_pid, SIGWINCH);	647	kill (-cmd_pid, SIGWINCH);
654	# endif
655	#endif	648	#endif
656	}	649	}
657		650
658	/*----------------------------------------------------------------------*/	651	/*----------------------------------------------------------------------*/
659	/* rxvt_change_font() - Switch to a new font */	652	/* set_fonts () - load and set the various fonts
660	/*	653	*
661	* init = 1 - initialize	654	* init = 1 - initialize
662	*	655	*
663	* fontname == FONT_UP - switch to bigger font	656	* fontname == FONT_UP - switch to bigger font
664	* fontname == FONT_DN - switch to smaller font	657	* fontname == FONT_DN - switch to smaller font
665	*/	658	*/
666	void	659	bool
667	rxvt_term::change_font (int init, const char *fontname)	660	rxvt_term::set_fonts ()
668	{	661	{
669	}	662	rxvt_fontset *fs = new rxvt_fontset (this);
		663	rxvt_fontprop prop;
670		664
		665	if (!fs
		666	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		667	|| !fs->realize_font (1))
		668	{
		669	delete fs;
		670	return false;
		671	}
		672
		673	#if ENABLE_STYLES
		674	for (int i = RS_styleCount; --i; )
		675	if (fontset[i] != fontset[0])
		676	delete fontset[i];
		677	#endif
		678
		679	delete fontset[0];
		680	fontset[0] = fs;
		681
		682	prop = (*fs)[1]->properties ();
		683	prop.height += lineSpace;
		684
		685	fs->set_prop (prop, false);
		686
		687	fwidth = prop.width;
		688	fheight = prop.height;
		689	fbase = prop.ascent;
		690
		691	for (int style = 1; style < 4; style++)
		692	{
		693	#if ENABLE_STYLES
		694	const char *res = rs[Rs_font + style];
		695
		696	if (res && !*res)
		697	fontset[style] = fontset[0];
		698	else
		699	{
		700	fontset[style] = fs = new rxvt_fontset (this);
		701	rxvt_fontprop prop2 = prop;
		702
		703	if (res)
		704	{
		705	fs->populate (res);
		706	fs->set_prop (prop2, false);
		707	}
		708	else
		709	{
		710	fs->populate (fontset[0]->fontdesc);
		711
		712	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		713	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		714
		715	fs->set_prop (prop2, true);
		716	}
		717
		718	}
		719	#else
		720	fontset[style] = fontset[0];
		721	#endif
		722	}
		723
		724	if (parent[0])
		725	{
		726	resize_all_windows (0, 0, 0);
		727	scr_remap_chars ();
		728	scr_touch (true);
		729	}
		730
		731	return true;
		732	}
		733
671	void	734	void
672	rxvt_term::font_up_down (int n, int direction)	735	rxvt_term::set_string_property (Atom prop, const char *str, int len)
673	{	736	{
		737	XChangeProperty (dpy, parent[0],
		738	prop, XA_STRING, 8, PropModeReplace,
		739	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		740	}
		741
		742	void
		743	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		744	{
		745	wchar_t *ws = rxvt_mbstowcs (str, len);
		746	char *s = rxvt_wcstoutf8 (ws);
		747
		748	XChangeProperty (dpy, parent[0],
		749	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		750	(const unsigned char *)s, strlen (s));
		751
		752	free (s);
		753	free (ws);
674	}	754	}
675		755
676	/*----------------------------------------------------------------------*/	756	/*----------------------------------------------------------------------*/
677	/*----------------------------------------------------------------------*/	757	/*----------------------------------------------------------------------*/
678	/* xterm sequences - title, iconName, color (exptl) */	758	/* xterm sequences - title, iconName, color (exptl) */
679	void	759	void
680	rxvt_term::set_title (const char *str)	760	rxvt_term::set_title (const char *str)
681	{	761	{
682	#ifndef SMART_WINDOW_TITLE	762	set_string_property (XA_WM_NAME, str);
683	XStoreName(Xdisplay, TermWin.parent[0], str);	763	#if ENABLE_EWMH
684	#else	764	set_utf8_property (xa[XA_NET_WM_NAME], str);
685	char *name;
686
687	if (XFetchName(Xdisplay, TermWin.parent[0], &name) == 0)
688	name = NULL;
689	if (name == NULL || STRCMP(name, str))
690	XStoreName(Xdisplay, TermWin.parent[0], str);
691	if (name)
692	XFree(name);
693	#endif	765	#endif
694	}	766	}
695		767
696	void	768	void
697	rxvt_term::set_iconName (const char *str)	769	rxvt_term::set_icon_name (const char *str)
698	{	770	{
699	#ifndef SMART_WINDOW_TITLE	771	set_string_property (XA_WM_ICON_NAME, str);
700	XSetIconName(Xdisplay, TermWin.parent[0], str);	772	#if ENABLE_EWMH
701	#else	773	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
702	char *name;
703
704	if (XGetIconName(Xdisplay, TermWin.parent[0], &name))
705	name = NULL;
706	if (name == NULL || STRCMP(name, str))
707	XSetIconName(Xdisplay, TermWin.parent[0], str);
708	if (name)
709	XFree(name);
710	#endif	774	#endif
711	}	775	}
712		776
		777	void
		778	rxvt_term::set_window_color (int idx, const char *color)
		779	{
713	#ifdef XTERM_COLOR_CHANGE	780	#ifdef XTERM_COLOR_CHANGE
714	void
715	rxvt_term::set_window_color (int idx, const char *color)
716	{
717	rxvt_color xcol;	781	rxvt_color xcol;
718	int i;
719		782
720	if (color == NULL || *color == '\0')	783	if (color == NULL || *color == '\0')
721	return;	784	return;
722		785
		786	color = strdup (color);
		787	allocated.push_back ((void *)color);
		788	rs[Rs_color + idx] = color;
		789
723	/* handle color aliases */	790	/* handle color aliases */
724	if (isdigit(*color)) {	791	if (isdigit (*color))
		792	{
725	i = atoi(color);	793	int i = atoi (color);
726	if (i >= 8 && i <= 15) { /* bright colors */	794
727	i -= 8;	795	if (i >= 8 && i <= 15)
728	# ifndef NO_BRIGHTCOLOR	796	{
		797	/* bright colors */
729	PixColors[idx] = PixColors[minBrightCOLOR + i];	798	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
730	SET_PIXCOLOR(idx);
731	goto Done;	799	goto done;
732	# endif
733	}	800	}
734	if (i >= 0 && i <= 7) { /* normal colors */	801
		802	if (i >= 0 && i <= 7)
		803	{
		804	/* normal colors */
735	PixColors[idx] = PixColors[minCOLOR + i];	805	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
736	SET_PIXCOLOR(idx);
737	goto Done;	806	goto done;
738	}	807	}
739	}	808	}
740	if (!rXParseAllocColor (& xcol, color))
741	return;
742	/* XStoreColor (Xdisplay, XCMAP, XColor*); */
743		809
744	/*	810	set_color (xcol, color);
		811
		812	/*
745	* FIXME: should free colors here, but no idea how to do it so instead,	813	* FIXME: should free colors here, but no idea how to do it so instead,
746	* so just keep gobbling up the colormap	814	* so just keep gobbling up the colormap
747	*/	815	*/
748	# if 0
749	for (i = Color_Black; i <= Color_White; i++)
750	if (PixColors[idx] == PixColors[i])
751	break;
752	if (i > Color_White) {
753	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
754	XFreeColors(Xdisplay, XCMAP, (PixColors + idx), 1,
755	DisplayPlanes(Xdisplay, Xscreen));
756	}
757	# endif
758		816
759	PixColors[idx] = xcol;	817	pix_colors_focused[idx] = xcol;
760	SET_PIXCOLOR(idx);
761		818
762	/* XSetWindowAttributes attr; */	819	done:
763	/* Cursor cursor; */
764	Done:
765	if (idx == Color_bg && !(Options & Opt_transparent))
766	XSetWindowBackground(Xdisplay, TermWin.vt,
767	PixColors[Color_bg]);
768
769	/* handle Color_BD, scrollbar background, etc. */	820	/*TODO: handle Color_BD, scrollbar background, etc. */
770		821
771	set_colorfgbg ();	822	update_fade_color (idx);
772	recolour_cursor ();	823	recolour_cursor ();
773	/* the only reasonable way to enforce a clean update */	824	scr_recolour ();
774	scr_poweron ();	825	#endif /* XTERM_COLOR_CHANGE */
775	}	826	}
776
777	#else
778	# define set_window_color (idx,color) ((void)0)
779	#endif /* XTERM_COLOR_CHANGE */
780		827
781	void	828	void
782	rxvt_term::recolour_cursor ()	829	rxvt_term::recolour_cursor ()
783	{	830	{
784	#if TODO	831	XColor fg, bg;
785	rxvt_color xcol[2];
786		832
787	xcol[0] = PixColors[Color_pointer];	833	(ISSET_PIXCOLOR (Color_pointer_fg)
788	xcol[1] = PixColors[Color_bg];	834	? pix_colors_focused[Color_pointer_fg]
789	XQueryColors (Xdisplay, XCMAP, xcol, 2);	835	: pix_colors_focused[Color_fg]).get (fg);
		836
		837	(ISSET_PIXCOLOR (Color_pointer_bg)
		838	? pix_colors_focused[Color_pointer_bg]
		839	: pix_colors_focused[Color_bg]).get (bg);
		840
790	XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1]));	841	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
791	#endif
792	}	842	}
793		843
794	/*----------------------------------------------------------------------*/	844	/*----------------------------------------------------------------------*/
795	/*	845	/*
796	* find if fg/bg matches any of the normal (low-intensity) colors	846	* find if fg/bg matches any of the normal (low-intensity) colors
797	*/	847	*/
798	void	848	void
799	rxvt_term::set_colorfgbg ()	849	rxvt_term::set_colorfgbg ()
800	{	850	{
801	unsigned int i;	851	unsigned int i;
802	const char *xpmb = "\0";	852	const char *xpmb = "";
803	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	853	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
804		854
805	env_colorfgbg =	855	strcpy (fstr, "default");
806	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	856	strcpy (bstr, "default");
807	STRCPY(fstr, "default");
808	STRCPY(bstr, "default");
809	for (i = Color_Black; i <= Color_White; i++)	857	for (i = Color_Black; i <= Color_White; i++)
810	if (PixColors[Color_fg] == PixColors[i]) {	858	if (pix_colors[Color_fg] == pix_colors[i])
		859	{
811	sprintf(fstr, "%d", (i - Color_Black));	860	sprintf (fstr, "%d", (i - Color_Black));
812	break;	861	break;
813	}	862	}
		863
814	for (i = Color_Black; i <= Color_White; i++)	864	for (i = Color_Black; i <= Color_White; i++)
815	if (PixColors[Color_bg] == PixColors[i]) {	865	if (pix_colors[Color_bg] == pix_colors[i])
		866	{
816	sprintf(bstr, "%d", (i - Color_Black));	867	sprintf (bstr, "%d", (i - Color_Black));
817	#ifdef XPM_BACKGROUND	868	#ifdef BG_IMAGE_FROM_FILE
818	xpmb = "default;";	869	xpmb = "default;";
819	#endif	870	#endif
820	break;	871	break;
821	}	872	}
		873
822	sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	874	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
823	putenv(env_colorfgbg);
824
825	#ifndef NO_BRIGHTCOLOR
826	colorfgbg = DEFAULT_RSTYLE;
827	for (i = minCOLOR; i <= maxCOLOR; i++) {
828	if (PixColors[Color_fg] == PixColors[i])
829	colorfgbg = SET_FGCOLOR(colorfgbg, i);
830	if (PixColors[Color_bg] == PixColors[i])
831	colorfgbg = SET_BGCOLOR(colorfgbg, i);
832	}
833	#endif
834	}	875	}
835		876
836	/*----------------------------------------------------------------------*/	877	/*----------------------------------------------------------------------*/
837	/*
838	* Colour determination for low colour displays, routine from
839	* Hans de Goede <hans@highrise.nl>
840	*/
841		878
842	int	879	bool
843	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	880	rxvt_term::set_color (rxvt_color &color, const char *name)
844	{	881	{
845	if (!screen_in_out->set (this, colour)) {	882	if (color.set (this, name))
846	rxvt_print_error("can't allocate colour: %s", colour);
847	return false;
848	}
849
850	return true;	883	return true;
		884
		885	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		886	return false;
		887	}
		888
		889	void
		890	rxvt_term::alias_color (int dst, int src)
		891	{
		892	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
851	}	893	}
852		894
853	/* -------------------------------------------------------------------- *	895	/* -------------------------------------------------------------------- *
854	* - WINDOW RESIZING - *	896	* - WINDOW RESIZING - *
855	* -------------------------------------------------------------------- */	897	* -------------------------------------------------------------------- */
856	void	898	void
857	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	899	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
858	{	900	{
859	int fix_screen;	901	int fix_screen;
		902	int old_width = szHint.width;
		903	int old_height = szHint.height;
860		904
861	#ifdef SMART_RESIZE
862	int old_width = szHint.width, old_height = szHint.height;
863	#endif
864
865	window_calc (width, height);	905	window_calc (newwidth, newheight);
		906
		907	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
866	XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint);	908	XSetWMNormalHints (dpy, parent[0], &szHint);
		909
867	if (!ignoreparent)	910	if (!ignoreparent)
868	{	911	{
869	#ifdef SMART_RESIZE	912	#ifdef SMART_RESIZE
870	/*	913	/*
871	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	914	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
874	int x, y, x1, y1;	917	int x, y, x1, y1;
875	int dx, dy;	918	int dx, dy;
876	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	919	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
877	Window unused_cr;	920	Window unused_cr;
878		921
879	XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot,	922	XTranslateCoordinates (dpy, parent[0], display->root,
880	0, 0, &x, &y, &unused_cr);	923	0, 0, &x, &y, &unused_cr);
881	XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1,	924	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
882	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	925	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
883	/*	926	/*
884	* if Xroot isn't the parent window, a WM will probably have offset	927	* if display->root isn't the parent window, a WM will probably have offset
885	* our position for handles and decorations. Counter it	928	* our position for handles and decorations. Counter it
886	*/	929	*/
887	if (x1 != x || y1 != y) {	930	if (x1 != x || y1 != y)
		931	{
888	x -= x1;	932	x -= x1;
889	y -= y1;	933	y -= y1;
890	}	934	}
891		935
892	x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2;	936	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
893	y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2;	937	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
894	dx = old_width - szHint.width;	938	dx = old_width - szHint.width;
895	dy = old_height - szHint.height;	939	dy = old_height - szHint.height;
896		940
897	/* Check position of the center of the window */	941	/* Check position of the center of the window */
898	if (x < x1) /* left half */	942	if (x < x1) /* left half */
899	dx = 0;	943	dx = 0;
900	else if (x == x1) /* exact center */	944	else if (x == x1) /* exact center */
901	dx /= 2;	945	dx /= 2;
902	if (y < y1) /* top half */	946	if (y < y1) /* top half */
903	dy = 0;	947	dy = 0;
904	else if (y == y1) /* exact center */	948	else if (y == y1) /* exact center */
905	dy /= 2;	949	dy /= 2;
906		950
907	XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy,	951	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
908	szHint.width, szHint.height);	952	szHint.width, szHint.height);
909	#else	953	#else
910	XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width,	954	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
911	szHint.height);
912	#endif	955	#endif
913	}	956	}
914		957
915	fix_screen = (TermWin.ncol != prev_ncol	958	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
916	|| TermWin.nrow != prev_nrow);
917		959
918	if (fix_screen || width != old_width || height != old_height)	960	if (fix_screen || newwidth != old_width || newheight != old_height)
919	{	961	{
920	if (scrollbar_visible ())	962	if (scrollBar.state)
921	{	963	scrollBar.resize ();
922	XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x,
923	0, scrollbar_TotalWidth (), szHint.height);
924	resize_scrollbar ();
925	}
926		964
927	if (menubar_visible ())	965	XMoveResizeWindow (dpy, vt,
928	XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x,	966	window_vt_x, window_vt_y,
929	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
930
931	XMoveResizeWindow (Xdisplay, TermWin.vt, window_vt_x,
932	window_vt_y, TermWin_TotalWidth (),
933	TermWin_TotalHeight ());	967	width, height);
934	#ifdef RXVT_GRAPHICS	968
935	if (old_height)	969	#ifdef HAVE_BG_PIXMAP
936	Gr_Resize (old_width - szHint.base_width,	970	if (bgPixmap.window_size_sensitive ())
937	old_height - szHint.base_height);	971	update_background ();
938	#endif	972	#endif
		973
939	scr_clear ();	974	scr_clear ();
940	#ifdef XPM_BACKGROUND
941	resize_pixmap ();
942	#endif
943	}	975	}
944		976
945	if (fix_screen || old_height == 0)	977	if (fix_screen || old_height == 0)
946	{
947	int curr_screen = -1;
948	int old_ncol = prev_ncol;
949
950	/* scr_reset only works on the primary screen */
951	if (old_height) /* this is not the first time through */
952	{
953	unsigned int ncol = TermWin.ncol;
954	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
955	curr_screen = scr_change_screen (PRIMARY);
956	TermWin.ncol = ncol;
957	}
958
959	scr_reset();	978	scr_reset ();
960		979
961	if (curr_screen >= 0) /* this is not the first time through */	980	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
962	{	981	//scr_touch (false);
963	scr_change_screen (curr_screen);
964	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
965	}
966	}
967		982
968	old_width = szHint.width;	983	#ifdef HAVE_BG_PIXMAP
969	old_height = szHint.height;	984	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		985	// if (bgPixmap.pixmap)
		986	// scr_touch (false);
		987	#endif
970		988
971	#ifdef USE_XIM	989	#ifdef USE_XIM
972	IMSetStatusPosition ();	990	IMSetPosition ();
973	#endif	991	#endif
974	}	992	}
975		993
976	/*	994	/*
977	* Set the width/height of the vt window in characters. Units are pixels.	995	* Set the width/height of the vt window in characters. Units are pixels.
978	* good for toggling 80/132 columns	996	* good for toggling 80/132 columns
979	*/	997	*/
980	void	998	void
981	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	999	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
982	{	1000	{
983	XWindowAttributes wattr;	1001	XWindowAttributes wattr;
984		1002
985	if (width == 0 || height == 0) {	1003	if (newwidth == 0 || newheight == 0)
		1004	{
986	XGetWindowAttributes(Xdisplay, Xroot, &wattr);	1005	XGetWindowAttributes (dpy, display->root, &wattr);
		1006
987	if (width == 0)	1007	if (newwidth == 0)
988	width = wattr.width - szHint.base_width;	1008	newwidth = wattr.width - szHint.base_width;
989	if (height == 0)	1009	if (newheight == 0)
990	height = wattr.height - szHint.base_height;	1010	newheight = wattr.height - szHint.base_height;
		1011	}
		1012
		1013	if (newwidth != width || newheight != height)
991	}	1014	{
992	if (width != TermWin.width || height != TermWin.height) {
993	width += szHint.base_width;	1015	newwidth += szHint.base_width;
994	height += szHint.base_height;	1016	newheight += szHint.base_height;
995	resize_all_windows (width, height, 0);	1017	resize_all_windows (newwidth, newheight, 0);
996	}	1018	}
997	}	1019	}
998		1020
999	/* -------------------------------------------------------------------- *	1021	/* -------------------------------------------------------------------- *
1000	* - X INPUT METHOD ROUTINES - *	1022	* - X INPUT METHOD ROUTINES - *
1001	* -------------------------------------------------------------------- */	1023	* -------------------------------------------------------------------- */
1002	#ifdef USE_XIM	1024	#ifdef USE_XIM
1003	void
1004	rxvt_term::set_size (XRectangle *size)
1005	{
1006	size->x = TermWin.int_bwidth;
1007	size->y = TermWin.int_bwidth;
1008	size->width = Width2Pixel(TermWin.ncol);
1009	size->height = Height2Pixel(TermWin.nrow);
1010	}
1011		1025
1012	void	1026	void
1013	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1027	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1014	{	1028	{
1015	*fg = PixColors[Color_fg];	1029	fg = pix_colors [Color_fg];
1016	*bg = PixColors[Color_bg];	1030	bg = pix_colors [Color_bg];
		1031	}
		1032
		1033	void
		1034	rxvt_term::im_set_size (XRectangle &size)
		1035	{
		1036	// the int_bwidth terms make no sense to me
		1037	size.x = int_bwidth;
		1038	size.y = int_bwidth;
		1039	size.width = Width2Pixel (ncol) + int_bwidth;
		1040	size.height = Height2Pixel (nrow) + int_bwidth;
		1041	}
		1042
		1043	void
		1044	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1045	XRectangle &status_rect,
		1046	const XRectangle &needed_rect)
		1047	{
		1048	preedit_rect.x = needed_rect.width;
		1049	preedit_rect.y = 0;
		1050	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1051	preedit_rect.height = fheight;
		1052
		1053	status_rect.x = 0;
		1054	status_rect.y = 0;
		1055	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1056	status_rect.height = fheight;
1017	}	1057	}
1018		1058
1019	/* Checking whether input method is running. */	1059	/* Checking whether input method is running. */
1020	bool	1060	bool
1021	rxvt_term::IMisRunning ()	1061	rxvt_term::IMisRunning ()
1022	{	1062	{
1023	char *p;	1063	char *p;
1024	Atom atom;	1064	Atom atom;
1025	Window win;	1065	Window win;
1026	char server[IMBUFSIZ];	1066	char server[IMBUFSIZ];
1027		1067
1028	/* get current locale modifier */	1068	/* get current locale modifier */
1029	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1069	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1070	{
1030	STRCPY(server, "@server=");	1071	strcpy (server, "@server=");
1031	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1072	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1073
1032	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1074	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1033	*p = '\0';	1075	*p = '\0';
1034		1076
1035	atom = XInternAtom(Xdisplay, server, False);	1077	atom = XInternAtom (dpy, server, False);
1036	win = XGetSelectionOwner(Xdisplay, atom);	1078	win = XGetSelectionOwner (dpy, atom);
		1079
1037	if (win != None)	1080	if (win != None)
1038	return True;	1081	return True;
1039	}	1082	}
		1083
1040	return False;	1084	return False;
1041	}	1085	}
1042		1086
1043	void	1087	void
1044	rxvt_term::IMSendSpot ()	1088	rxvt_term::IMSendSpot ()
1045	{	1089	{
1046	XPoint spot;	1090	XPoint nspot;
1047	XVaNestedList preedit_attr;	1091	XVaNestedList preedit_attr;
1048		1092
1049	if (Input_Context == NULL	1093	if (!Input_Context
1050	|| !TermWin.focus || !(input_style & XIMPreeditPosition)	1094	|| !focus
1051	|| !(event_type == KeyPress	1095	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1052	|| event_type == Expose
1053	|| event_type == NoExpose
1054	|| event_type == SelectionNotify
1055	|| event_type == ButtonRelease || event_type == FocusIn)
1056	|| !IMisRunning ())
1057	return;	1096	return;
1058		1097
1059	set_position (&spot);	1098	im_set_position (nspot);
1060		1099
		1100	if (nspot.x == spot.x && nspot.y == spot.y)
		1101	return;
		1102
		1103	spot = nspot;
		1104
1061	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1105	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1062	XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1106	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1063	XFree(preedit_attr);	1107	XFree (preedit_attr);
1064	}	1108	}
1065		1109
1066	void	1110	void
1067	rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,	1111	rxvt_term::im_destroy ()
1068	XRectangle * needed_rect)
1069	{	1112	{
1070	int mbh, vtx = 0;	1113	if (input_method)
		1114	{
		1115	if (Input_Context && input_method->xim)
		1116	XDestroyIC (Input_Context);
1071		1117
1072	if (scrollbar_visible () && !(Options & Opt_scrollBar_right))	1118	display->put_xim (input_method);
1073	vtx = scrollbar_TotalWidth();	1119	input_method = 0;
		1120	}
1074		1121
1075	mbh = menubar_visible () ? menuBar_TotalHeight() : 0;	1122	Input_Context = 0;
1076	mbh -= TermWin.lineSpace;
1077
1078	preedit_rect->x = needed_rect->width + vtx;
1079	preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1080
1081	preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1082	preedit_rect->height = Height2Pixel(1);
1083
1084	status_rect->x = vtx;
1085	status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1086
1087	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1088	status_rect->height = Height2Pixel(1);
1089	}	1123	}
1090		1124
1091	/* ARGSUSED */	1125	#ifdef ENABLE_XIM_ONTHESPOT
1092	/* EXTPROTO */	1126
1093	void	1127	static void
1094	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data	1128	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1095	__attribute__ ((unused)), XPointer call_data
1096	__attribute__ ((unused)))
1097	{	1129	{
1098	GET_R->Input_Context = NULL;	1130	((rxvt_term *)client_data)->make_current ();
1099	/* To avoid Segmentation Fault in C locale: Solaris only? */	1131	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1100	if (STRCMP (GET_R->locale, "C"))
1101	XRegisterIMInstantiateCallback(GET_R->Xdisplay, NULL, NULL, NULL,
1102	rxvt_IMInstantiateCallback, NULL);
1103	}	1132	}
		1133
		1134	static void
		1135	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1136	{
		1137	((rxvt_term *)client_data)->make_current ();
		1138	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1139	}
		1140
		1141	static void
		1142	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1143	{
		1144	rxvt_term *term = (rxvt_term *)client_data;
		1145	XIMText *text = call_data->text;
		1146
		1147	term->make_current ();
		1148
		1149	if (text)
		1150	{
		1151	void *str;
		1152
		1153	if (!text->encoding_is_wchar && text->string.multi_byte)
		1154	{
		1155	// of course, X makes it ugly again
		1156	if (term->rs[Rs_imLocale])
		1157	SET_LOCALE (term->rs[Rs_imLocale]);
		1158
		1159	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1160	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1161
		1162	if (term->rs[Rs_imLocale])
		1163	SET_LOCALE (term->locale);
		1164	}
		1165	else
		1166	str = (void *)text->string.wide_char;
		1167
		1168	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1169	DT_INT, call_data->caret,
		1170	DT_INT, call_data->chg_first,
		1171	DT_INT, call_data->chg_length,
		1172	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1173	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1174	DT_END));
		1175	}
		1176	else
		1177	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1178	DT_INT, call_data->caret,
		1179	DT_INT, call_data->chg_first,
		1180	DT_INT, call_data->chg_length,
		1181	DT_END));
		1182	}
		1183
		1184	#if 0
		1185	static void
		1186	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1187	{
		1188	((rxvt_term *)client_data)->make_current ();
		1189	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1190	DT_INT, call_data->position,
		1191	DT_INT, call_data->direction,
		1192	DT_INT, call_data->style,
		1193	DT_END));
		1194	}
		1195	#endif
		1196
		1197	#endif
1104		1198
1105	/*	1199	/*
1106	* Try to open a XIM with the current modifiers, then see if we can	1200	* Try to open a XIM with the current modifiers, then see if we can
1107	* open a suitable preedit type	1201	* open a suitable preedit type
1108	*/	1202	*/
1109	bool	1203	bool
1110	rxvt_term::IM_get_IC ()	1204	rxvt_term::IM_get_IC (const char *modifiers)
1111	{	1205	{
1112	int i, j, found;	1206	int i, j, found;
1113	XIM xim;	1207	XIM xim;
1114	XPoint spot;	1208	XPoint spot;
1115	XRectangle rect, status_rect, needed_rect;	1209	XRectangle rect, status_rect, needed_rect;
1116	unsigned long fg, bg;	1210	unsigned long fg, bg;
1117	const char *p;	1211	const char *p;
1118	char **s;	1212	char **s;
1119	XIMStyles *xim_styles;	1213	XIMStyles *xim_styles;
1120	XVaNestedList preedit_attr, status_attr;	1214	#ifdef ENABLE_XIM_ONTHESPOT
1121	XIMCallback ximcallback;	1215	XIMCallback xcb[4];
		1216	#endif
1122		1217
1123	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1218	set_environ (envv);
1124	xim = XOpenIM (Xdisplay, NULL, NULL, NULL);	1219
1125	if (xim == NULL)	1220	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1126	return False;	1221	return false;
1127		1222
		1223	input_method = display->get_xim (locale, modifiers);
		1224	if (input_method == NULL)
		1225	return false;
		1226
		1227	xim = input_method->xim;
		1228	spot.x = spot.y = -1;
		1229
1128	xim_styles = NULL;	1230	xim_styles = NULL;
1129	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1231	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1130	|| !xim_styles || !xim_styles->count_styles) {	1232	|| !xim_styles || !xim_styles->count_styles)
1131	XCloseIM(xim);	1233	{
		1234	im_destroy ();
1132	return False;	1235	return false;
		1236	}
		1237
		1238	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1239
		1240	for (int pi = 0; pi < 2; pi++)
1133	}	1241	{
		1242	p = pet[pi];
1134		1243
1135	p = rs[Rs_preeditType] ? rs[Rs_preeditType]	1244	if (!p)
1136	: "OverTheSpot,OffTheSpot,Root";	1245	continue;
		1246
1137	s = rxvt_splitcommastring(p);	1247	s = rxvt_splitcommastring (p);
		1248
1138	for (i = found = 0; !found && s[i]; i++) {	1249	for (i = found = 0; !found && s[i]; i++)
		1250	{
1139	if (!STRCMP(s[i], "OverTheSpot"))	1251	if (!strcmp (s[i], "OverTheSpot"))
1140	input_style = (XIMPreeditPosition | XIMStatusNothing);	1252	input_style = XIMPreeditPosition | XIMStatusNothing;
1141	else if (!STRCMP(s[i], "OffTheSpot"))	1253	else if (!strcmp (s[i], "OffTheSpot"))
1142	input_style = (XIMPreeditArea | XIMStatusArea);	1254	input_style = XIMPreeditArea | XIMStatusArea;
1143	else if (!STRCMP(s[i], "Root"))	1255	else if (!strcmp (s[i], "Root"))
1144	input_style = (XIMPreeditNothing | XIMStatusNothing);	1256	input_style = XIMPreeditNothing | XIMStatusNothing;
		1257	else if (!strcmp (s[i], "None"))
		1258	input_style = XIMPreeditNone | XIMStatusNone;
		1259	#ifdef ENABLE_XIM_ONTHESPOT
		1260	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1261	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1262	#endif
		1263	else
		1264	input_style = XIMPreeditNothing | XIMStatusNothing;
1145		1265
1146	for (j = 0; j < xim_styles->count_styles; j++)	1266	for (j = 0; j < xim_styles->count_styles; j++)
1147	if (input_style == xim_styles->supported_styles[j]) {	1267	if (input_style == xim_styles->supported_styles[j])
		1268	{
		1269	rxvt_freecommastring (s);
		1270
1148	found = 1;	1271	found = 1;
1149	break;	1272	goto foundpet;
1150	}	1273	}
		1274
		1275	}
		1276
		1277	rxvt_freecommastring (s);
1151	}	1278	}
1152	for (i = 0; s[i]; i++)	1279
1153	free(s[i]);	1280	foundpet:
1154	free(s);	1281
1155	XFree(xim_styles);	1282	XFree (xim_styles);
1156		1283
1157	if (!found) {	1284	if (!found)
1158	XCloseIM(xim);	1285	{
		1286	im_destroy ();
1159	return False;	1287	return false;
		1288	}
		1289
		1290	XFontSet fs = 0;
		1291	XVaNestedList preedit_attr = 0, status_attr = 0;
		1292
		1293	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1160	}	1294	{
		1295	// fake us a font-set, please
		1296	char **missing_charset_list;
		1297	int missing_charset_count;
		1298	char *def_string;
		1299	char pat[512];
1161		1300
1162	ximcallback.callback = rxvt_IMDestroyCallback;	1301	sprintf (pat,
		1302	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1303	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1304	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1305	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1306	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1307	"*",
		1308	fheight,
		1309	fheight + 1, fheight - 1,
		1310	fheight - 2, fheight + 2);
1163		1311
1164	/* XXX: not sure why we need this (as well as IC one below) */	1312	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1165	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1313	&missing_charset_list, &missing_charset_count, &def_string);
1166		1314
1167	preedit_attr = status_attr = NULL;	1315	if (missing_charset_list)
		1316	XFreeStringList (missing_charset_list);
1168		1317
		1318	if (!fs)
		1319	{
		1320	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1321	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1322	}
		1323	}
		1324
1169	if (input_style & XIMPreeditPosition) {	1325	if (input_style & XIMPreeditPosition)
		1326	{
1170	set_size (&rect);	1327	im_set_size (rect);
1171	set_position (&spot);	1328	im_set_position (spot);
1172	set_color (&fg, &bg);	1329	im_set_color (fg, bg);
1173		1330
1174	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1331	preedit_attr = XVaCreateNestedList (0,
		1332	XNForeground, fg,
		1333	XNBackground, bg,
		1334	XNArea, &rect,
1175	XNSpotLocation, &spot,	1335	XNSpotLocation, &spot,
1176	XNForeground, fg, XNBackground, bg,
1177	//XNFontSet, TermWin.fontset,	1336	XNFontSet, fs,
1178	NULL);
1179	} else if (input_style & XIMPreeditArea) {
1180	set_color (&fg, &bg);
1181
1182	/*
1183	* The necessary width of preedit area is unknown
1184	* until create input context.
1185	*/
1186	needed_rect.width = 0;
1187
1188	set_preedit_area(&rect, &status_rect, &needed_rect);
1189
1190	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1191	XNForeground, fg, XNBackground, bg,
1192	//XNFontSet, TermWin.fontset,
1193	NULL);
1194	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1195	XNForeground, fg, XNBackground, bg,
1196	//XNFontSet, TermWin.fontset,
1197	NULL);	1337	NULL);
1198	}	1338	}
1199	Input_Context = XCreateIC(xim, XNInputStyle, input_style,	1339	else if (input_style & XIMPreeditArea)
		1340	{
		1341	im_set_color (fg, bg);
		1342
		1343	/*
		1344	* The necessary width of preedit area is unknown
		1345	* until create input context.
		1346	*/
		1347	needed_rect.width = 0;
		1348	im_set_preedit_area (rect, status_rect, needed_rect);
		1349
		1350	preedit_attr = XVaCreateNestedList (0,
		1351	XNForeground, fg,
		1352	XNBackground, bg,
		1353	XNArea, &rect,
		1354	XNFontSet, fs,
		1355	NULL);
		1356	status_attr = XVaCreateNestedList (0,
		1357	XNForeground, fg,
		1358	XNBackground, bg,
		1359	XNArea, &status_rect,
		1360	XNFontSet, fs,
		1361	NULL);
		1362	}
		1363	#if ENABLE_XIM_ONTHESPOT
		1364	else if (input_style & XIMPreeditCallbacks)
		1365	{
		1366	im_set_position (spot);
		1367
		1368	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1369	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1370	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1371	# if 0
		1372	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1373	# endif
		1374
		1375	preedit_attr = XVaCreateNestedList (0,
		1376	XNSpotLocation, &spot,
		1377	XNPreeditStartCallback, &xcb[0],
		1378	XNPreeditDoneCallback , &xcb[1],
		1379	XNPreeditDrawCallback , &xcb[2],
		1380	# if 0
		1381	XNPreeditCaretCallback, &xcb[3],
		1382	# endif
		1383	NULL);
		1384	}
		1385	#endif
		1386
		1387	Input_Context = XCreateIC (xim,
		1388	XNInputStyle, input_style,
1200	XNClientWindow, TermWin.parent[0],	1389	XNClientWindow, vt,
1201	XNFocusWindow, TermWin.parent[0],	1390	XNFocusWindow, parent[0],
1202	XNDestroyCallback, &ximcallback,
1203	preedit_attr ? XNPreeditAttributes : NULL,	1391	preedit_attr ? XNPreeditAttributes : NULL,
1204	preedit_attr,	1392	preedit_attr,
1205	status_attr ? XNStatusAttributes : NULL,	1393	status_attr ? XNStatusAttributes : NULL,
1206	status_attr, NULL);	1394	status_attr, NULL);
1207	if (preedit_attr)	1395
1208	XFree(preedit_attr);	1396	if (preedit_attr) XFree (preedit_attr);
1209	if (status_attr)	1397	if (status_attr) XFree (status_attr);
1210	XFree(status_attr);	1398	if (fs) XFreeFontSet (dpy, fs);
		1399
1211	if (Input_Context == NULL) {	1400	if (Input_Context == NULL)
1212	rxvt_print_error("failed to create input context");	1401	{
1213	XCloseIM(xim);	1402	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1403	im_destroy ();
1214	return False;	1404	return false;
1215	}	1405	}
1216	if (input_style & XIMPreeditArea)	1406
		1407	#if 0
		1408	// unfortunately, only the focus window is used by XIM, hard to fix
		1409	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1410	vt_select_input ();
		1411	#endif
		1412
1217	IMSetStatusPosition ();	1413	IMSetPosition ();
1218	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1414
1219	return True;	1415	return true;
1220	}	1416	}
1221		1417
1222	/*
1223	* X manual pages and include files don't match on some systems:
1224	* some think this is an XIDProc and others an XIMProc so we can't
1225	* use the first argument - need to update this to be nice for
1226	* both types via some sort of configure detection
1227	*/
1228	/* ARGSUSED */
1229	/* EXTPROTO */
1230	void	1418	void
1231	rxvt_IMInstantiateCallback(Display * unused	1419	rxvt_term::im_cb ()
1232	__attribute__ ((unused)), XPointer client_data
1233	__attribute__ ((unused)), XPointer call_data
1234	__attribute__ ((unused)))
1235	{	1420	{
1236	int i, found, had_im;	1421	int i;
1237	const char *p;	1422	const char *p;
1238	char **s;	1423	char **s;
1239	char buf[IMBUFSIZ];	1424	char buf[IMBUFSIZ];
1240		1425
1241	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1426	make_current ();
		1427
		1428	im_destroy ();
		1429
1242	if (GET_R->Input_Context)	1430	if (Input_Context)
1243	return;	1431	return;
1244		1432
1245	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1433	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1246	if (GET_R->rs[Rs_imLocale])	1434	if (rs[Rs_imLocale])
1247	setlocale (LC_CTYPE, GET_R->rs[Rs_imLocale]);	1435	SET_LOCALE (rs[Rs_imLocale]);
1248	#endif	1436	#endif
1249		1437
1250	p = GET_R->rs[Rs_inputMethod];	1438	p = rs[Rs_inputMethod];
1251	if (p && *p)	1439	if (p && *p)
1252	{	1440	{
1253	bool found = false;	1441	bool found = false;
1254		1442
1255	s = rxvt_splitcommastring (p);	1443	s = rxvt_splitcommastring (p);
		1444
1256	for (i = 0; s[i]; i++)	1445	for (i = 0; s[i]; i++)
1257	{	1446	{
1258	if (*s[i])	1447	if (*s[i])
1259	{	1448	{
1260	STRCPY (buf, "@im=");	1449	strcpy (buf, "@im=");
1261	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1450	strncat (buf, s[i], IMBUFSIZ - 5);
1262	if ((p = XSetLocaleModifiers (buf)) && *p && GET_R->IM_get_IC ())	1451	if (IM_get_IC (buf))
1263	{	1452	{
1264	found = true;	1453	found = true;
1265	break;	1454	break;
1266	}	1455	}
1267	}	1456	}
1268	}	1457	}
1269	for (i = 0; s[i]; i++)	1458
1270	free(s[i]);	1459	rxvt_freecommastring (s);
1271	free(s);
1272		1460
1273	if (found)	1461	if (found)
1274	goto done;	1462	goto done;
1275	}	1463	}
1276		1464
1277	/* try with XMODIFIERS env. var. */	1465	/* try with XMODIFIERS env. var. */
1278	if ((p = XSetLocaleModifiers ("")) && *p	1466	if (IM_get_IC (""))
1279	&& GET_R->IM_get_IC ())
1280	goto done;	1467	goto done;
1281		1468
1282	/* try with no modifiers base IF the user didn't specify an IM */	1469	/* try with no modifiers base IF the user didn't specify an IM */
1283	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1470	if (IM_get_IC ("@im=none"))
1284	&& GET_R->IM_get_IC () == True)
1285	goto done;	1471	goto done;
1286		1472
1287	done:	1473	done:
1288	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1474	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1289	if (GET_R->rs[Rs_imLocale])	1475	if (rs[Rs_imLocale])
1290	setlocale (LC_CTYPE, GET_R->locale);	1476	SET_LOCALE (locale);
1291	#endif	1477	#endif
1292	}	1478	}
1293		1479
1294	void	1480	void
1295	rxvt_term::IMSetStatusPosition ()	1481	rxvt_term::IMSetPosition ()
1296	{	1482	{
1297	XRectangle preedit_rect, status_rect, *needed_rect;	1483	XRectangle preedit_rect, status_rect, *needed_rect;
1298	XVaNestedList preedit_attr, status_attr;	1484	XVaNestedList preedit_attr, status_attr;
1299		1485
1300	if (Input_Context == NULL	1486	if (!Input_Context
1301	|| !TermWin.focus || !(input_style & XIMPreeditArea)	1487	|| !focus
		1488	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1302	|| !IMisRunning ())	1489	|| !IMisRunning ())
1303	return;	1490	return;
1304		1491
		1492	if (input_style & XIMPreeditPosition)
		1493	{
		1494	im_set_size (preedit_rect);
		1495	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1496
		1497	XSetICValues (Input_Context,
		1498	XNPreeditAttributes, preedit_attr, NULL);
		1499	}
		1500	else
		1501	{
1305	/* Getting the necessary width of preedit area */	1502	/* Getting the necessary width of preedit area */
1306	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1503	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1307	XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL);	1504	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1308	XFree(status_attr);	1505	XFree (status_attr);
1309		1506
1310	set_preedit_area(&preedit_rect, &status_rect, needed_rect);	1507	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1508	XFree (needed_rect);
1311		1509
1312	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1510	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1313	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1511	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1314		1512
1315	XSetICValues(Input_Context,	1513	XSetICValues (Input_Context,
1316	XNPreeditAttributes, preedit_attr,	1514	XNPreeditAttributes, preedit_attr,
1317	XNStatusAttributes, status_attr, NULL);	1515	XNStatusAttributes, status_attr,
		1516	NULL);
1318		1517
		1518	XFree (status_attr);
		1519	}
		1520
1319	XFree(preedit_attr);	1521	XFree (preedit_attr);
1320	XFree(status_attr);
1321	}	1522	}
1322	#endif /* USE_XIM */	1523	#endif /* USE_XIM */
1323		1524
1324	/*----------------------------------------------------------------------*/	1525	void
1325	rxvt_t rxvt_current_term;	1526	rxvt_term::get_window_origin (int &x, int &y)
		1527	{
		1528	Window cr;
		1529	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1530	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1531	}
		1532
		1533	Pixmap
		1534	rxvt_term::get_pixmap_property (int prop_id)
		1535	{
		1536	if (prop_id > 0 && prop_id < NUM_XA)
		1537	if (xa[prop_id])
		1538	{
		1539	int aformat;
		1540	unsigned long nitems, bytes_after;
		1541	Atom atype;
		1542	unsigned char *prop = NULL;
		1543	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1544	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1545	&nitems, &bytes_after, &prop);
		1546	if (result == Success && prop && atype == XA_PIXMAP)
		1547	return *(Pixmap *)prop;
		1548	}
		1549
		1550	return None;
		1551	}
		1552
		1553	#ifdef HAVE_BG_PIXMAP
		1554	# if TRACE_PIXMAPS
		1555	# undef update_background
		1556	void
		1557	rxvt_term::trace_update_background (const char *file, int line)
		1558	{
		1559	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1560	update_background ();
		1561	}
		1562	# endif
		1563
		1564	void
		1565	rxvt_term::update_background ()
		1566	{
		1567	if (update_background_ev.is_active ())
		1568	return;
		1569
		1570	bgPixmap.invalidate ();
		1571
		1572	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1573
		1574	if (to_wait <= 0.)
		1575	bgPixmap.render ();
		1576	else
		1577	update_background_ev.start (to_wait);
		1578	}
		1579
		1580	void
		1581	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1582	{
		1583	make_current ();
		1584
		1585	update_background_ev.stop ();
		1586	bgPixmap.render ();
		1587	refresh_check ();
		1588	}
		1589
		1590	#endif /* HAVE_BG_PIXMAP */
1326		1591
1327	/*----------------------- end-of-file (C source) -----------------------*/	1592	/*----------------------- end-of-file (C source) -----------------------*/

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