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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.11 by pcg, Mon Dec 8 23:14:40 2003 UTC vs.
Revision 1.121 by root, Wed Dec 15 00:12:58 2004 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.11 2003/12/08 23:14:40 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* 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>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* 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
19	* 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
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
42		42
43	#ifdef HAVE_TERMIOS_H	43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	44	# include <termios.h>
45	#endif	45	#endif
46		46
47	void *	47	#include <cstring>
48	rxvt_term::operator new (size_t s)
49	{
50	void *p = malloc (s);
51		48
52	MEMSET (p, 0, s);	49	vector<rxvt_term *> rxvt_term::termlist;
		50
		51	static char curlocale[128];
		52
		53	bool
		54	rxvt_set_locale (const char *locale)
		55	{
		56	if (!locale || !strncmp (locale, curlocale, 128))
		57	return false;
		58
		59	strncpy (curlocale, locale, 128);
		60	setlocale (LC_CTYPE, curlocale);
		61	return true;
		62	}
		63
		64	#if ENABLE_COMBINING
		65	class rxvt_composite_vec rxvt_composite;
		66
		67	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		68	{
		69	compose_char *cc;
		70
		71	// break compose chains, as stupid readline really likes to duplicate
		72	// composing characters for some reason near the end of a line.
		73	cc = (*this)[c1];
		74	while (cc)
		75	{
		76	if (cc->c2 == c2) return c1;
		77	cc = (*this)[cc->c1];
		78	}
		79
		80	// check to see wether this combination already exists otherwise
		81	for (cc = v.end (); cc-- > v.begin (); )
		82	{
		83	if (cc->c1 == c1 && cc->c2 == c2)
		84	return COMPOSE_LO + (cc - v.begin ());
		85	}
		86
		87	// allocate a new combination
		88	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		89	{
		90	static int seen;
		91
		92	if (!seen++)
		93	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		94
		95	return REPLACEMENT_CHAR;
		96	}
		97
		98	v.push_back (compose_char (c1, c2));
		99
		100	return v.size () - 1 + COMPOSE_LO;
		101	}
		102
		103	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		104	{
		105	compose_char *cc = (*this)[c];
		106
		107	if (!cc)
		108	{
		109	if (r) *r = c;
		110	return 1;
		111	}
		112
		113	int len = expand (cc->c1, r);
		114
		115	if (r) r += len;
		116
		117	if (cc->c2 != NOCHAR)
		118	{
		119	len++;
		120	if (r) *r++ = cc->c2;
		121	}
		122
53	return p;	123	return len;
54	}
55		124
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	125	}
		126	#endif
61		127
62	rxvt_term::rxvt_term ()	128	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	129	:
		130	#if TRANSPARENT
		131	rootwin_ev (this, &rxvt_term::rootwin_cb),
		132	#endif
		133	#ifdef HAVE_SCROLLBARS
		134	scrollbar_ev (this, &rxvt_term::x_cb),
		135	#endif
		136	#ifdef MENUBAR
		137	menubar_ev (this, &rxvt_term::x_cb),
		138	#endif
64	#ifdef CURSOR_BLINK	139	#ifdef CURSOR_BLINK
		140	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		141	#endif
		142	#ifdef TEXT_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	143	text_blink_ev (this, &rxvt_term::text_blink_cb),
		144	#endif
		145	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		146	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		147	#endif
		148	#ifdef SELECTION_SCROLLING
		149	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		150	#endif
		151	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		152	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
66	#endif	153	#endif
67	#ifdef POINTER_BLANK	154	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	155	pointer_ev (this, &rxvt_term::pointer_cb),
69	#endif	156	#endif
		157	#ifdef USE_XIM
		158	im_ev (this, &rxvt_term::im_cb),
		159	#endif
		160	sw_term (this, &rxvt_term::sig_term),
		161	sw_chld (this, &rxvt_term::sig_chld),
		162	termwin_ev (this, &rxvt_term::x_cb),
70	x_ev (this, &rxvt_term::x_cb),	163	vt_ev (this, &rxvt_term::x_cb),
		164	check_ev (this, &rxvt_term::check_cb),
		165	flush_ev (this, &rxvt_term::flush_cb),
71	destroy_ev (this, &rxvt_term::destroy_cb),	166	destroy_ev (this, &rxvt_term::destroy_cb),
		167	pty_ev (this, &rxvt_term::pty_cb),
72	check_ev (this, &rxvt_term::check_cb)	168	incr_ev (this, &rxvt_term::incr_cb)
73	{	169	{
74	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	170	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		171
		172	termlist.push_back (this);
75	}	173	}
76		174
77	rxvt_term::~rxvt_term ()	175	rxvt_term::~rxvt_term ()
78	{	176	{
79	rxvt_scr_release (this);	177	termlist.erase (find (termlist.begin (), termlist.end(), this));
80		178
81	#ifndef NO_SETOWNER_TTYDEV	179	if (cmd_pid)
82	rxvt_privileged_ttydev (this, RESTORE);	180	kill (-cmd_pid, SIGHUP);
83	#endif	181
		182	pty.put ();
		183
84	#ifdef UTMP_SUPPORT	184	#ifdef UTMP_SUPPORT
85	rxvt_privileged_utmp (this, RESTORE);	185	privileged_utmp (RESTORE);
86	#endif	186	#endif
		187
		188	#if ENABLE_STYLES
		189	for (int i = RS_styleCount; --i; )
		190	if (TermWin.fontset[i] != TermWin.fontset[0])
		191	delete TermWin.fontset[i];
		192	#endif
		193	delete TermWin.fontset[0];
		194
		195	if (display)
		196	{
		197	selection_clear ();
		198
87	#ifdef USE_XIM	199	#ifdef USE_XIM
88	if (Input_Context != NULL)	200	im_destroy ();
		201	#endif
		202	#ifdef MENUBAR
		203	if (menubarGC) XFreeGC (display->display, menubarGC);
		204	#endif
		205	#ifdef XTERM_SCROLLBAR
		206	if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);
		207	if (ShadowGC) XFreeGC (display->display, ShadowGC);
		208	#endif
		209	#ifdef PLAIN_SCROLLBAR
		210	if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);
		211	#endif
		212	#ifdef NEXT_SCROLLBAR
		213	if (blackGC) XFreeGC (display->display, blackGC);
		214	if (whiteGC) XFreeGC (display->display, whiteGC);
		215	if (grayGC) XFreeGC (display->display, grayGC);
		216	if (darkGC) XFreeGC (display->display, darkGC);
		217	if (stippleGC) XFreeGC (display->display, stippleGC);
		218	if (dimple) XFreePixmap (display->display, dimple);
		219	if (upArrow) XFreePixmap (display->display, upArrow);
		220	if (downArrow) XFreePixmap (display->display, downArrow);
		221	if (upArrowHi) XFreePixmap (display->display, upArrowHi);
		222	if (downArrowHi) XFreePixmap (display->display, downArrowHi);
		223	#endif
		224	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
		225	if (topShadowGC) XFreeGC (display->display, topShadowGC);
		226	if (botShadowGC) XFreeGC (display->display, botShadowGC);
		227	if (scrollbarGC) XFreeGC (display->display, scrollbarGC);
		228	#endif
		229	if (TermWin.gc) XFreeGC (display->display, TermWin.gc);
		230
		231	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
		232	delete menuBar.drawable;
		233	//if (menuBar.win)
		234	// XDestroyWindow (display->display, menuBar.win);
		235	#endif
		236	delete TermWin.drawable;
		237	// destroy all windows
		238	if (TermWin.parent[0])
		239	XDestroyWindow (display->display, TermWin.parent[0]);
89	{	240	}
90	XDestroyIC (Input_Context);
91	Input_Context = NULL;
92	}
93	#endif
94		241
95	if (cmd_fd >= 0)	242	// TODO: free pixcolours, colours should become part of rxvt_display
96	close (cmd_fd);
97		243
98	if (Xfd >= 0)	244	delete pix_colors_focused;
99	XCloseDisplay (Xdisplay);	245	#ifdef OFF_FOCUS_FADING
		246	delete pix_colors_unfocused;
		247	#endif
100		248
101	delete PixColors;	249	displays.put (display);
		250
		251	scr_release ();
		252
		253	/* clear all resources */
		254	for (int i = 0; i < allocated.size (); i++)
		255	free (allocated[i]);
		256
		257	free (selection.text);
		258	// TODO: manage env vars in child only(!)
		259	free (env_windowid);
		260	free (env_display);
		261	free (env_term);
		262	free (env_colorfgbg);
		263	free (locale);
		264	free (v_buffer);
		265	free (incr_buf);
		266
		267	delete envv;
		268	delete argv;
102	}	269	}
103		270
104	void	271	void
105	rxvt_term::destroy ()	272	rxvt_term::destroy ()
106	{	273	{
		274	if (destroy_ev.active)
		275	return;
		276
		277	#if ENABLE_OVERLAY
		278	scr_overlay_off ();
		279	#endif
		280
		281	if (display)
		282	{
		283	#if USE_XIM
		284	im_ev.stop (display);
		285	#endif
		286	#if HAVE_SCROLLBARS
		287	scrollbar_ev.stop (display);
		288	#endif
		289	#if MENUBAR
		290	menubar_ev.stop (display);
		291	#endif
		292	#if TRANSPARENT
		293	rootwin_ev.stop (display);
		294	#endif
		295	incr_ev.stop ();
		296	termwin_ev.stop (display);
		297	vt_ev.stop (display);
		298	}
		299
107	check_ev.stop ();	300	check_ev.stop ();
108	pty_ev.stop ();	301	pty_ev.stop ();
109	x_ev.stop ();
110	#ifdef CURSOR_BLINK	302	#ifdef CURSOR_BLINK
		303	cursor_blink_ev.stop ();
		304	#endif
		305	#ifdef TEXT_BLINK
111	blink_ev.stop ();	306	text_blink_ev.stop ();
		307	#endif
		308	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		309	cont_scroll_ev.stop ();
		310	#endif
		311	#ifdef SELECTION_SCROLLING
		312	sel_scroll_ev.stop ();
112	#endif	313	#endif
113	#ifdef POINTER_BLANK	314	#ifdef POINTER_BLANK
114	pointer_ev.stop ();	315	pointer_ev.stop ();
115	#endif	316	#endif
116		317
…		…
124		325
125	delete this;	326	delete this;
126	}	327	}
127		328
128	/*----------------------------------------------------------------------*/	329	/*----------------------------------------------------------------------*/
129	/* rxvt_init() */	330	/* rxvt_init () */
130	/* LIBPROTO */
131	rxvt_t
132	rxvt_init (int argc, const char *const *argv)
133	{
134	SET_R (new rxvt_term);
135	dR;
136
137	if (!R->init_vars () || !R->init (argc, argv))
138	{
139	delete R;
140	return NULL;
141	}
142
143	return R;
144	}
145
146	/* EXTPROTO */
147	void
148	rxvt_init_signals ()
149	{
150	/* install exit handler for cleanup */
151	#if 0
152	#ifdef HAVE_ATEXIT
153	atexit(rxvt_clean_exit);
154	#else
155	#endif
156	#endif
157
158	struct sigaction sa;
159
160	sigfillset (&sa.sa_mask);
161	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
162	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
163	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
164	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
165	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
166	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
167	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
168
169	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
170	/* signal (SIGURG, SIG_DFL); */
171
172	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
173	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
174	}
175
176	bool	331	bool
177	rxvt_term::init (int argc, const char *const *argv)	332	rxvt_term::init (int argc, const char *const *argv)
178	{	333	{
179	dR;//TODO (scrollbar, setidle)	334	SET_R (this);
180		335
		336	if (!init_vars ())
		337	return false;
		338
		339	init_secondary ();
		340
		341	const char **cmd_argv = init_resources (argc, argv);
		342
		343	set_locale ("");
		344
		345	#if MENUBAR_MAX
		346	menubar_read (rs[Rs_menu]);
		347	#endif
		348	#ifdef HAVE_SCROLLBARS
		349	if (options & Opt_scrollBar)
		350	scrollBar.setIdle (); /* set existence for size calculations */
		351	#endif
		352
		353	create_windows (argc, argv);
		354
		355	init_xlocale ();
		356
		357	scr_reset (); /* initialize screen */
		358
		359	#if 0
		360	XSynchronize (display->display, True);
		361	#endif
		362
		363	#ifdef HAVE_SCROLLBARS
		364	if (options & Opt_scrollBar)
		365	resize_scrollbar (); /* create and map scrollbar */
		366	#endif
		367	#if (MENUBAR_MAX)
		368	if (menubar_visible ())
		369	XMapWindow (display->display, menuBar.win);
		370	#endif
		371	#ifdef TRANSPARENT
		372	if (options & Opt_transparent)
		373	{
		374	XSelectInput (display->display, display->root, PropertyChangeMask);
		375	check_our_parents ();
		376	rootwin_ev.start (display, display->root);
		377	}
		378	#endif
		379
		380	XMapWindow (display->display, TermWin.vt);
		381	XMapWindow (display->display, TermWin.parent[0]);
		382
		383	set_colorfgbg ();
		384
		385	init_command (cmd_argv);
		386
		387	pty_ev.start (pty.pty, EVENT_READ);
		388
		389	check_ev.start ();
		390
		391	return true;
		392	}
		393
		394	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
		395
		396	void
		397	rxvt_init ()
		398	{
181	/*	399	/*
182	* Save and then give up any super-user privileges	400	* Save and then give up any super-user privileges
183	* If we need privileges in any area then we must specifically request it.	401	* If we need privileges in any area then we must specifically request it.
184	* We should only need to be root in these cases:	402	* We should only need to be root in these cases:
185	* 1. write utmp entries on some systems	403	* 1. write utmp entries on some systems
186	* 2. chown tty on some systems	404	* 2. chown tty on some systems
187	*/	405	*/
188	rxvt_privileges (this, SAVE);	406	rxvt_privileges (SAVE);
189	rxvt_privileges (this, IGNORE);	407	rxvt_privileges (IGNORE);
190		408
191	rxvt_init_secondary (this);	409	signal (SIGHUP, SIG_IGN);
		410	signal (SIGPIPE, SIG_IGN);
192		411
193	const char **cmd_argv = rxvt_init_resources (this, argc, argv);	412	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		413	/* signal (SIGURG, SIG_DFL); */
194		414
195	#if (MENUBAR_MAX)	415	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
196	rxvt_menubar_read (this, rs[Rs_menu]);	416	// TODO: handle this with exceptions and tolerate the memory loss
197	#endif	417	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
198	#ifdef HAVE_SCROLLBARS
199	if (Options & Opt_scrollBar)
200	scrollbar_setIdle (); /* set existence for size calculations */
201	#endif
202
203	rxvt_Create_Windows (this, argc, argv);
204
205	rxvt_init_xlocale (this);
206
207	rxvt_scr_reset (this); /* initialize screen */
208	#ifdef RXVT_GRAPHICS
209	rxvt_Gr_reset (this); /* reset graphics */
210	#endif
211
212	#if 0
213	#ifdef DEBUG_X
214	XSynchronize(Xdisplay, True);
215	#endif
216	#endif
217
218	#ifdef HAVE_SCROLLBARS
219	if (Options & Opt_scrollBar)
220	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
221	#endif
222	#if (MENUBAR_MAX)
223	if (menubar_visible(r))
224	XMapWindow (Xdisplay, menuBar.win);
225	#endif
226	#ifdef TRANSPARENT
227	if (Options & Opt_transparent)
228	{
229	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
230	rxvt_check_our_parents (this);
231	}
232	#endif
233	XMapWindow (Xdisplay, TermWin.vt);
234	XMapWindow (Xdisplay, TermWin.parent[0]);
235
236	rxvt_init_env (this);
237	rxvt_init_command (this, cmd_argv);
238
239	x_ev.start (Xfd, EVENT_READ);
240	pty_ev.start (cmd_fd, EVENT_READ);
241
242	check_ev.start ();
243
244	process_x_events ();
245
246	return true;
247	}	418	}
248		419
249	/* ------------------------------------------------------------------------- *	420	/* ------------------------------------------------------------------------- *
250	* SIGNAL HANDLING & EXIT HANDLER *	421	* SIGNAL HANDLING & EXIT HANDLER *
251	* ------------------------------------------------------------------------- */	422	* ------------------------------------------------------------------------- */
252	/*	423	/*
253	* Catch a SIGCHLD signal and exit if the direct child has died	424	* Catch a SIGCHLD signal and exit if the direct child has died
254	*/	425	*/
255	/* ARGSUSED */	426
256	/* EXTPROTO */	427	void
257	RETSIGTYPE	428	rxvt_term::sig_chld (sig_watcher &w)
258	rxvt_Child_signal(int sig __attribute__ ((unused)))
259	{	429	{
260	int pid, save_errno = errno;	430	// we are being called for every SIGCHLD, not just ours
		431	int pid;
		432
261	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)	433	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
262	;	434	for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
263	errno = save_errno;
264
265	#if 0
266	if (pid == R->cmd_pid)	435	if (pid == (*t)->cmd_pid)
267	exit (EXIT_SUCCESS);	436	{
268	#endif
269	}
270
271	/*
272	* Catch a fatal signal and tidy up before quitting
273	*/
274	/* EXTPROTO */
275	RETSIGTYPE
276	rxvt_Exit_signal(int sig)
277	{
278	signal(sig, SIG_DFL);
279	#ifdef DEBUG_CMD
280	rxvt_print_error("signal %d", sig);
281	#endif
282	rxvt_clean_exit();
283	kill(getpid(), sig);
284	}
285
286	/* ARGSUSED */
287	/* INTPROTO */
288	int
289	rxvt_xerror_handler(const Display * display
290	__attribute__ ((unused)), const XErrorEvent * event)
291	{
292	dR;
293
294	if (R->allowedxerror == -1)
295	R->allowedxerror = event->error_code;
296	else
297	{
298	rxvt_print_error("XError: Request: %d . %d, Error: %d",
299	event->request_code, event->minor_code,
300	event->error_code);
301
302	R->destroy ();	437	(*t)->destroy ();
303	}	438	break;
304		439	}
305	return 0;
306	}	440	}
307		441
308	/*----------------------------------------------------------------------*/	442	/*----------------------------------------------------------------------*/
309	/*	443	/*
310	* Exit gracefully, clearing the utmp entry and restoring tty attributes	444	* Exit gracefully, clearing the utmp entry and restoring tty attributes
311	* TODO: if debugging, this should free up any known resources if we can	445	* TODO: if debugging, this should free up any known resources if we can
312	*/	446	*/
		447	void
		448	rxvt_destroy_all ()
		449	{
		450	// TODO: rxvtd should clean up all ressources
		451	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		452	(*t)->destroy ();
		453	}
		454
		455	/*
		456	* Catch a fatal signal and tidy up before quitting
		457	*/
		458	void
		459	rxvt_term::sig_term (sig_watcher &w)
		460	{
		461	#ifdef DEBUG_CMD
		462	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		463	#endif
		464	rxvt_destroy_all ();
		465	signal (w.signum, SIG_DFL);
		466	kill (getpid (), w.signum);
		467	}
		468
313	/* EXTPROTO */	469	/* INTPROTO */
314	void	470	int
315	rxvt_clean_exit ()	471	rxvt_xerror_handler (Display *display, XErrorEvent *event)
316	{	472	{
317	dR;	473	if (GET_R->allowedxerror == -1)
318		474	GET_R->allowedxerror = event->error_code;
		475	else
		476	{
		477	old_xerror_handler (display, event);
319	R->destroy ();	478	GET_R->destroy ();
		479	}
		480
		481	return 0;
320	}	482	}
321		483
322	/* ------------------------------------------------------------------------- *	484	/* ------------------------------------------------------------------------- *
323	* MEMORY ALLOCATION WRAPPERS *	485	* MEMORY ALLOCATION WRAPPERS *
324	* ------------------------------------------------------------------------- */	486	* ------------------------------------------------------------------------- */
		487	void *
		488	rxvt_malloc (size_t size)
		489	{
		490	void *p = malloc (size);
		491
		492	if (!p)
		493	rxvt_fatal ("memory allocation failure. aborting.\n");
		494
		495	return p;
		496	}
		497
325	/* EXTPROTO */	498	/* INTPROTO */
326	void *	499	void *
327	rxvt_malloc(size_t size)	500	rxvt_calloc (size_t number, size_t size)
328	{	501	{
329	void *p;	502	void *p = calloc (number, size);
330		503
331	p = malloc(size);
332	if (p)	504	if (!p)
		505	rxvt_fatal ("memory allocation failure. aborting.\n");
		506
333	return p;	507	return p;
334
335	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
336	rxvt_clean_exit();
337	exit(EXIT_FAILURE);
338	/* NOTREACHED */
339	}	508	}
340		509
341	/* EXTPROTO */	510	/* INTPROTO */
342	void *	511	void *
343	rxvt_calloc(size_t number, size_t size)
344	{
345	void *p;
346
347	p = calloc(number, size);
348	if (p)
349	return p;
350
351	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
352	rxvt_clean_exit();
353	exit(EXIT_FAILURE);
354	/* NOTREACHED */
355	}
356
357	/* EXTPROTO */
358	void *
359	rxvt_realloc(void *ptr, size_t size)	512	rxvt_realloc (void *ptr, size_t size)
360	{	513	{
361	void *p;
362
363	if (ptr)
364	p = realloc(ptr, size);	514	void *p = realloc (ptr, size);
365	else	515
366	p = malloc(size);
367	if (p)	516	if (!p)
		517	rxvt_fatal ("memory allocation failure. aborting.\n");
		518
368	return p;	519	return p;
369
370	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
371	rxvt_clean_exit();
372	exit(EXIT_FAILURE);
373	/* NOTREACHED */
374	}	520	}
375		521
376	/* ------------------------------------------------------------------------- *	522	/* ------------------------------------------------------------------------- *
377	* PRIVILEGED OPERATIONS *	523	* PRIVILEGED OPERATIONS *
378	* ------------------------------------------------------------------------- */	524	* ------------------------------------------------------------------------- */
379	/* take care of suid/sgid super-user (root) privileges */	525	/* take care of suid/sgid super-user (root) privileges */
380	/* INTPROTO */
381	void	526	void
382	rxvt_privileges(pR_ int mode)	527	rxvt_privileges (rxvt_privaction action)
383	{	528	{
		529	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		530	static uid_t euid;
		531	static gid_t egid;
		532	#endif
		533
384	#if ! defined(__CYGWIN32__)	534	#if ! defined(__CYGWIN32__)
385	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	535	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
386	/* setreuid() is the poor man's setuid(), seteuid() */	536	/* setreuid () is the poor man's setuid (), seteuid () */
387	# define seteuid(a) setreuid(-1, (a))	537	# define seteuid(a) setreuid(-1, (a))
388	# define setegid(a) setregid(-1, (a))	538	# define setegid(a) setregid(-1, (a))
389	# define HAVE_SETEUID	539	# define HAVE_SETEUID
390	# endif	540	# endif
391	# ifdef HAVE_SETEUID	541	# ifdef HAVE_SETEUID
392	switch (mode) {	542	switch (action)
		543	{
393	case IGNORE:	544	case IGNORE:
394	/*	545	/*
395	* change effective uid/gid - not real uid/gid - so we can switch	546	* change effective uid/gid - not real uid/gid - so we can switch
396	* back to root later, as required	547	* back to root later, as required
397	*/	548	*/
398	seteuid(getuid());	549	seteuid (getuid ());
399	setegid(getgid());	550	setegid (getgid ());
400	break;	551	break;
401	case SAVE:	552	case SAVE:
402	R->euid = geteuid();	553	euid = geteuid ();
403	R->egid = getegid();	554	egid = getegid ();
404	break;	555	break;
405	case RESTORE:	556	case RESTORE:
406	seteuid(R->euid);	557	seteuid (euid);
407	setegid(R->egid);	558	setegid (egid);
408	break;	559	break;
409	}	560	}
410	# else	561	# else
411	switch (mode) {	562	switch (action)
		563	{
412	case IGNORE:	564	case IGNORE:
413	setuid(getuid());	565	setuid (getuid ());
414	setgid(getgid());	566	setgid (getgid ());
415	/* FALLTHROUGH */	567	/* FALLTHROUGH */
416	case SAVE:	568	case SAVE:
417	/* FALLTHROUGH */	569	/* FALLTHROUGH */
418	case RESTORE:	570	case RESTORE:
419	break;	571	break;
420	}	572	}
421	# endif	573	# endif
422	#endif	574	#endif
423	}	575	}
424		576
425	#ifdef UTMP_SUPPORT	577	#ifdef UTMP_SUPPORT
426	/* EXTPROTO */
427	void	578	void
428	rxvt_privileged_utmp(pR_ char action)	579	rxvt_term::privileged_utmp (rxvt_privaction action)
429	{	580	{
430	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
431	action, R->next_utmp_action, getpid()));
432	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
433	|| (R->Options & Opt_utmpInhibit)	581	if ((options & Opt_utmpInhibit)
434	|| R->ttydev == NULL || *R->ttydev == '\0')	582	|| !pty.name || !*pty.name)
435	return;	583	return;
436		584
437	rxvt_privileges(aR_ RESTORE);	585	rxvt_privileges (RESTORE);
		586
438	if (action == SAVE) {	587	if (action == SAVE)
439	R->next_utmp_action = RESTORE;	588	makeutent (pty.name, rs[Rs_display_name]);
440	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	589	else
441	} else { /* action == RESTORE */	590	cleanutent ();
442	R->next_utmp_action = IGNORE;	591
443	rxvt_cleanutent(aR);
444	}
445	rxvt_privileges(aR_ IGNORE);	592	rxvt_privileges (IGNORE);
446	}
447	#endif
448
449	#ifndef NO_SETOWNER_TTYDEV
450	/* EXTPROTO */
451	void
452	rxvt_privileged_ttydev(pR_ char action)
453	{
454	D_MAIN((stderr,
455	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
456	action, R->next_tty_action, getpid()));
457	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
458	|| R->ttydev == NULL || *R->ttydev == '\0')
459	return;
460
461	rxvt_privileges(aR_ RESTORE);
462
463	if (action == SAVE) {
464	R->next_tty_action = RESTORE;
465	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
466	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
467	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
468	R->next_tty_action = IGNORE;
469	else
470	# endif
471	{
472	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
473	chmod(R->ttydev, R->ttymode);
474	# ifdef HAVE_REVOKE
475	revoke(R->ttydev);
476	# endif
477	}
478	} else { /* action == RESTORE */
479	R->next_tty_action = IGNORE;
480	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
481	chmod(R->ttydev, R->ttyfd_stat.st_mode);
482	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
483	# else
484	chmod(R->ttydev,
485	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
486	chown(R->ttydev, 0, 0);
487	# endif
488	}
489
490	rxvt_privileges(aR_ IGNORE);
491
492	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
493	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
494	action == RESTORE ? "Restoring" : (action ==
495	SAVE ? "Saving" :
496	"UNKNOWN ERROR for"), R->ttydev,
497	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
498	R->ttyfd_stat.st_gid));
499	# endif
500	}	593	}
501	#endif	594	#endif
502		595
503	/*----------------------------------------------------------------------*/	596	/*----------------------------------------------------------------------*/
504	/*	597	/*
505	* window size/position calculcations for XSizeHint and other storage.	598	* window size/position calculcations for XSizeHint and other storage.
506	* if width/height are non-zero then override calculated width/height	599	* if width/height are non-zero then override calculated width/height
507	*/	600	*/
508	/* EXTPROTO */
509	void	601	void
510	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	602	rxvt_term::window_calc (unsigned int width, unsigned int height)
511	{	603	{
512	short recalc_x, recalc_y;	604	short recalc_x, recalc_y;
513	int x, y, sb_w, mb_h, flags;	605	int x, y, sb_w, mb_h, flags;
514	unsigned int w, h;	606	unsigned int w, h;
515	unsigned int max_width, max_height;	607	unsigned int max_width, max_height;
516		608
517	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	609	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
518	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	610	TermWin.ncol, TermWin.nrow, szHint.width,
519	R->szHint.height));	611	szHint.height));
520	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	612	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
521	R->szHint.win_gravity = NorthWestGravity;	613	szHint.win_gravity = NorthWestGravity;
522	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	614	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
523		615
524	recalc_x = recalc_y = 0;	616	recalc_x = recalc_y = 0;
525	flags = 0;	617	flags = 0;
526	if (!R->parsed_geometry) {	618	if (!parsed_geometry)
		619	{
527	R->parsed_geometry = 1;	620	parsed_geometry = 1;
528	if (R->rs[Rs_geometry])	621	if (rs[Rs_geometry])
529	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	622	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
530	if (flags & WidthValue) {	623	if (flags & WidthValue)
		624	{
531	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	625	TermWin.ncol = BOUND_POSITIVE_INT16 (w);
532	R->szHint.flags |= USSize;	626	szHint.flags |= USSize;
533	}	627	}
534	if (flags & HeightValue) {	628	if (flags & HeightValue)
		629	{
535	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	630	TermWin.nrow = BOUND_POSITIVE_INT16 (h);
536	R->szHint.flags |= USSize;	631	szHint.flags |= USSize;
537	}	632	}
538	if (flags & XValue) {	633	if (flags & XValue)
		634	{
539	R->szHint.x = x;	635	szHint.x = x;
540	R->szHint.flags |= USPosition;	636	szHint.flags |= USPosition;
541	if (flags & XNegative) {	637	if (flags & XNegative)
		638	{
542	recalc_x = 1;	639	recalc_x = 1;
543	R->szHint.win_gravity = NorthEastGravity;	640	szHint.win_gravity = NorthEastGravity;
544	}	641	}
545	}	642	}
546	if (flags & YValue) {	643	if (flags & YValue)
		644	{
547	R->szHint.y = y;	645	szHint.y = y;
548	R->szHint.flags |= USPosition;	646	szHint.flags |= USPosition;
549	if (flags & YNegative) {	647	if (flags & YNegative)
		648	{
550	recalc_y = 1;	649	recalc_y = 1;
551	if (R->szHint.win_gravity == NorthEastGravity)	650	if (szHint.win_gravity == NorthEastGravity)
552	R->szHint.win_gravity = SouthEastGravity;	651	szHint.win_gravity = SouthEastGravity;
553	else	652	else
554	R->szHint.win_gravity = SouthWestGravity;	653	szHint.win_gravity = SouthWestGravity;
555	}	654	}
556	}	655	}
557	}	656	}
		657
558	/* TODO: BOUNDS */	658	/* TODO: BOUNDS */
559	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	659	TermWin.width = TermWin.ncol * TermWin.fwidth;
560	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	660	TermWin.height = TermWin.nrow * TermWin.fheight;
561	max_width = MAX_COLS * R->TermWin.fwidth;	661	max_width = MAX_COLS * TermWin.fwidth;
562	max_height = MAX_ROWS * R->TermWin.fheight;	662	max_height = MAX_ROWS * TermWin.fheight;
563		663
564	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	664	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;
565		665
566	sb_w = mb_h = 0;	666	sb_w = mb_h = 0;
567	R->window_vt_x = R->window_vt_y = 0;	667	window_vt_x = window_vt_y = TermWin.int_bwidth;
		668
568	if (scrollbar_visible(R)) {	669	if (scrollbar_visible ())
		670	{
569	sb_w = scrollbar_TotalWidth();	671	sb_w = scrollbar_TotalWidth ();
570	R->szHint.base_width += sb_w;	672	szHint.base_width += sb_w;
571	if (!(R->Options & Opt_scrollBar_right))	673	if (!(options & Opt_scrollBar_right))
572	R->window_vt_x = sb_w;	674	window_vt_x += sb_w;
573	}	675	}
		676
574	if (menubar_visible(R)) {	677	if (menubar_visible ())
		678	{
575	mb_h = menuBar_TotalHeight();	679	mb_h = menuBar_TotalHeight ();
576	R->szHint.base_height += mb_h;	680	szHint.base_height += mb_h;
577	R->window_vt_y = mb_h;	681	window_vt_y += mb_h;
578	}	682	}
		683
579	R->szHint.width_inc = R->TermWin.fwidth;	684	szHint.width_inc = TermWin.fwidth;
580	R->szHint.height_inc = R->TermWin.fheight;	685	szHint.height_inc = TermWin.fheight;
581	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	686	szHint.min_width = szHint.base_width + szHint.width_inc;
582	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	687	szHint.min_height = szHint.base_height + szHint.height_inc;
583		688
584	if (width && width - R->szHint.base_width < max_width) {	689	if (width && width - szHint.base_width < max_width)
		690	{
585	R->szHint.width = width;	691	szHint.width = width;
586	R->TermWin.width = width - R->szHint.base_width;	692	TermWin.width = width - szHint.base_width;
587	} else {	693	}
		694	else
		695	{
588	MIN_IT(R->TermWin.width, max_width);	696	MIN_IT (TermWin.width, max_width);
589	R->szHint.width = R->szHint.base_width + R->TermWin.width;	697	szHint.width = szHint.base_width + TermWin.width;
590	}	698	}
		699
591	if (height && height - R->szHint.base_height < max_height) {	700	if (height && height - szHint.base_height < max_height)
		701	{
592	R->szHint.height = height;	702	szHint.height = height;
593	R->TermWin.height = height - R->szHint.base_height;	703	TermWin.height = height - szHint.base_height;
594	} else {	704	}
		705	else
		706	{
595	MIN_IT(R->TermWin.height, max_height);	707	MIN_IT (TermWin.height, max_height);
596	R->szHint.height = R->szHint.base_height + R->TermWin.height;	708	szHint.height = szHint.base_height + TermWin.height;
597	}	709	}
		710
598	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	711	if (scrollbar_visible () && (options & Opt_scrollBar_right))
599	R->window_sb_x = R->szHint.width - sb_w;	712	window_sb_x = szHint.width - sb_w;
600		713
601	if (recalc_x)	714	if (recalc_x)
602	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	715	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))
603	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	716	- szHint.width - 2 * TermWin.ext_bwidth);
604	if (recalc_y)	717	if (recalc_y)
605	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	718	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))
606	- R->szHint.height - 2 * R->TermWin.ext_bwidth);	719	- szHint.height - 2 * TermWin.ext_bwidth);
607		720
608	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	721	TermWin.ncol = TermWin.width / TermWin.fwidth;
609	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	722	TermWin.nrow = TermWin.height / TermWin.fheight;
610	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	723	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
611	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	724	TermWin.ncol, TermWin.nrow, szHint.width,
612	R->szHint.height));	725	szHint.height));
613	return;	726	return;
614	}	727	}
615		728
616	/*----------------------------------------------------------------------*/	729	/*----------------------------------------------------------------------*/
617	/*	730	/*
618	* Tell the teletype handler what size the window is.	731	* Tell the teletype handler what size the window is.
619	* Called after a window size change.	732	* Called after a window size change.
620	*/	733	*/
621	void	734	void
622	rxvt_term::tt_winch ()	735	rxvt_term::tt_winch ()
623	{	736	{
624	struct winsize ws;	737	if (pty.pty < 0)
625
626	if (cmd_fd < 0)
627	return;	738	return;
		739
		740	struct winsize ws;
628		741
629	ws.ws_col = TermWin.ncol;	742	ws.ws_col = TermWin.ncol;
630	ws.ws_row = TermWin.nrow;	743	ws.ws_row = TermWin.nrow;
631	ws.ws_xpixel = ws.ws_ypixel = 0;	744	ws.ws_xpixel = TermWin.width;
632	#ifndef DEBUG_SIZE	745	ws.ws_ypixel = TermWin.height;
633	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	746	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);
634	#else	747
635	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	748	#if 0
636	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	749	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
637	# ifdef SIGWINCH
638	else if (cmd_pid) /* force through to the command */	750	if (cmd_pid) /* force through to the command */
639	kill (cmd_pid, SIGWINCH);	751	kill (cmd_pid, SIGWINCH);
640	# endif
641	#endif	752	#endif
642	}	753	}
643		754
644	/*----------------------------------------------------------------------*/	755	/*----------------------------------------------------------------------*/
645	/* rxvt_change_font() - Switch to a new font */	756	/* set_fonts () - load and set the various fonts
646	/*	757	/*
647	* init = 1 - initialize	758	* init = 1 - initialize
648	*	759	*
649	* fontname == FONT_UP - switch to bigger font	760	* fontname == FONT_UP - switch to bigger font
650	* fontname == FONT_DN - switch to smaller font	761	* fontname == FONT_DN - switch to smaller font
651	*/	762	*/
652	/* EXTPROTO */	763	bool
653	void	764	rxvt_term::set_fonts ()
654	rxvt_change_font(pR_ int init, const char *fontname)
655	{	765	{
656	}	766	rxvt_fontset *fs = new rxvt_fontset (this);
		767	rxvt_fontprop prop;
657		768
658	/* INTPROTO */	769	if (!fs
659	void	770	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
660	rxvt_font_up_down(pR_ int n, int direction)	771	|| !fs->realize_font (1))
		772	{
		773	delete fs;
		774	return false;
		775	}
		776
		777	#if ENABLE_STYLES
		778	for (int i = RS_styleCount; --i; )
		779	if (TermWin.fontset[i] != TermWin.fontset[0])
		780	delete TermWin.fontset[i];
		781	#endif
		782
		783	delete TermWin.fontset[0];
		784	TermWin.fontset[0] = fs;
		785
		786	prop = (*fs)[1]->properties ();
		787	fs->set_prop (prop);
		788
		789	TermWin.fwidth = prop.width;
		790	TermWin.fheight = prop.height;
		791	TermWin.fweight = prop.weight;
		792	TermWin.fslant = prop.slant;
		793	TermWin.fbase = (*fs)[1]->ascent;
		794
		795	for (int style = 1; style < 4; style++)
		796	{
		797	#if ENABLE_STYLES
		798	const char *res = rs[Rs_font + style];
		799
		800	if (res && !*res)
		801	TermWin.fontset[style] = TermWin.fontset[0];
		802	else
		803	{
		804	TermWin.fontset[style] = fs = new rxvt_fontset (this);
		805	rxvt_fontprop prop2 = prop;
		806
		807	if (res)
		808	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		809	else
		810	{
		811	res = TermWin.fontset[0]->fontdesc;
		812
		813	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		814	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		815	}
		816
		817	fs->populate (res);
		818	fs->set_prop (prop2);
		819	}
		820	#else
		821	TermWin.fontset[style] = TermWin.fontset[0];
		822	#endif
		823	}
		824
		825	if (TermWin.parent[0])
		826	{
		827	resize_all_windows (0, 0, 0);
		828	scr_remap_chars ();
		829	scr_touch (true);
		830	}
		831
		832	return true;
		833	}
		834
		835	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
661	{	836	{
		837	// TODO: SMART_WINDOW_TITLE
		838	XChangeProperty (display->display, TermWin.parent[0],
		839	prop, XA_STRING, 8, PropModeReplace,
		840	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		841	}
		842
		843	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		844	{
		845	// TODO: SMART_WINDOW_TITLE
		846	wchar_t *ws = rxvt_mbstowcs (str, len);
		847	char *s = rxvt_wcstoutf8 (ws);
		848
		849	XChangeProperty (display->display, TermWin.parent[0],
		850	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		851	(const unsigned char *)s, strlen (s));
		852
		853	free (s);
		854	free (ws);
662	}	855	}
663		856
664	/*----------------------------------------------------------------------*/	857	/*----------------------------------------------------------------------*/
665	/*----------------------------------------------------------------------*/	858	/*----------------------------------------------------------------------*/
666	/* xterm sequences - title, iconName, color (exptl) */	859	/* xterm sequences - title, iconName, color (exptl) */
667	/* EXTPROTO */
668	void	860	void
669	rxvt_set_title(pR_ const char *str)	861	rxvt_term::set_title (const char *str)
670	{	862	{
671	#ifndef SMART_WINDOW_TITLE	863	set_string_property (XA_WM_NAME, str);
672	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	864	#if ENABLE_FRILLS
		865	set_utf8_property (xa[XA_NET_WM_NAME], str);
		866	#endif
		867	}
		868
		869	void
		870	rxvt_term::set_icon_name (const char *str)
		871	{
		872	set_string_property (XA_WM_ICON_NAME, str);
		873	#if ENABLE_FRILLS
		874	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		875	#endif
		876	}
		877
		878	#ifdef XTERM_COLOR_CHANGE
		879	void
		880	rxvt_term::set_window_color (int idx, const char *color)
		881	{
		882	rxvt_color xcol;
		883	int i;
		884
		885	if (color == NULL || *color == '\0')
		886	return;
		887
		888	/* handle color aliases */
		889	if (isdigit (*color))
		890	{
		891	i = atoi (color);
		892	if (i >= 8 && i <= 15)
		893	{ /* bright colors */
		894	i -= 8;
		895	# ifndef NO_BRIGHTCOLOR
		896	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		897	SET_PIXCOLOR (idx);
		898	goto Done;
		899	# endif
		900
		901	}
		902	if (i >= 0 && i <= 7)
		903	{ /* normal colors */
		904	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		905	SET_PIXCOLOR (idx);
		906	goto Done;
		907	}
		908	}
		909
		910	if (!rXParseAllocColor (& xcol, color))
		911	return;
		912
		913	/* XStoreColor (display->display, display->cmap, XColor*); */
		914
		915	/*
		916	* FIXME: should free colors here, but no idea how to do it so instead,
		917	* so just keep gobbling up the colormap
		918	*/
		919	# if 0
		920	for (i = Color_Black; i <= Color_White; i++)
		921	if (pix_colors[idx] == pix_colors[i])
		922	break;
		923	if (i > Color_White)
		924	{
		925	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		926	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		927	DisplayPlanes (display->display, display->screen));
		928	}
		929	# endif
		930
		931	pix_colors_focused[idx] = xcol;
		932	SET_PIXCOLOR (idx);
		933
		934	/* XSetWindowAttributes attr; */
		935	/* Cursor cursor; */
		936	Done:
		937	#ifdef OFF_FOCUS_FADING
		938	if (rs[Rs_fade])
		939	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]));
		940	#endif
		941
		942	/*TODO: handle Color_BD, scrollbar background, etc. */
		943
		944	recolour_cursor ();
		945	scr_recolour ();
		946	}
		947
673	#else	948	#else
674	char *name;
675
676	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
677	name = NULL;
678	if (name == NULL || STRCMP(name, str))
679	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
680	if (name)
681	XFree(name);
682	#endif
683	}
684
685	/* EXTPROTO */
686	void
687	rxvt_set_iconName(pR_ const char *str)
688	{
689	#ifndef SMART_WINDOW_TITLE
690	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
691	#else
692	char *name;
693
694	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
695	name = NULL;
696	if (name == NULL || STRCMP(name, str))
697	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
698	if (name)
699	XFree(name);
700	#endif
701	}
702
703	#ifdef XTERM_COLOR_CHANGE
704	/* EXTPROTO */
705	void
706	rxvt_set_window_color(pR_ int idx, const char *color)
707	{
708	rxvt_color xcol;
709	int i;
710
711	if (color == NULL || *color == '\0')
712	return;
713
714	/* handle color aliases */
715	if (isdigit(*color)) {
716	i = atoi(color);
717	if (i >= 8 && i <= 15) { /* bright colors */
718	i -= 8;
719	# ifndef NO_BRIGHTCOLOR
720	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
721	SET_PIXCOLOR(R, idx);
722	goto Done;
723	# endif
724	}
725	if (i >= 0 && i <= 7) { /* normal colors */
726	R->PixColors[idx] = R->PixColors[minCOLOR + i];
727	SET_PIXCOLOR(R, idx);
728	goto Done;
729	}
730	}
731	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
732	return;
733	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
734
735	/*
736	* FIXME: should free colors here, but no idea how to do it so instead,
737	* so just keep gobbling up the colormap
738	*/
739	# if 0
740	for (i = Color_Black; i <= Color_White; i++)
741	if (R->PixColors[idx] == R->PixColors[i])
742	break;
743	if (i > Color_White) {
744	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
745	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
746	DisplayPlanes(R->Xdisplay, Xscreen));
747	}
748	# endif
749
750	R->PixColors[idx] = xcol;
751	SET_PIXCOLOR(R, idx);
752
753	/* XSetWindowAttributes attr; */
754	/* Cursor cursor; */
755	Done:
756	if (idx == Color_bg && !(R->Options & Opt_transparent))
757	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
758	R->PixColors[Color_bg]);
759
760	/* handle Color_BD, scrollbar background, etc. */
761
762	rxvt_set_colorfgbg(aR);
763	rxvt_recolour_cursor(aR);
764	/* the only reasonable way to enforce a clean update */
765	rxvt_scr_poweron(aR);
766	}
767
768	#else
769	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	949	# define set_window_color (idx,color) ((void)0)
770	#endif /* XTERM_COLOR_CHANGE */	950	#endif /* XTERM_COLOR_CHANGE */
771		951
772	/* EXTPROTO */
773	void	952	void
774	rxvt_recolour_cursor(pR)	953	rxvt_term::recolour_cursor ()
775	{	954	{
776	rxvt_color xcol[2];	955	XColor xcol[2];
777		956
778	#if TODO	957	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
779	xcol[0] = R->PixColors[Color_pointer];	958	? pix_colors_focused[Color_pointer_fg]
780	xcol[1] = R->PixColors[Color_bg];	959	: pix_colors_focused[Color_fg];
781	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	960	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		961	? pix_colors_focused[Color_pointer_bg]
		962	: pix_colors_focused[Color_bg];
		963
		964	XQueryColors (display->display, display->cmap, xcol, 2);
782	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	965	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
783	#endif
784	}	966	}
785		967
786	/*----------------------------------------------------------------------*/	968	/*----------------------------------------------------------------------*/
787	/*	969	/*
788	* find if fg/bg matches any of the normal (low-intensity) colors	970	* find if fg/bg matches any of the normal (low-intensity) colors
789	*/	971	*/
790	/* INTPROTO */
791	void	972	void
792	rxvt_set_colorfgbg(pR)	973	rxvt_term::set_colorfgbg ()
793	{	974	{
794	unsigned int i;	975	unsigned int i;
795	const char *xpmb = "\0";	976	const char *xpmb = "\0";
796	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	977	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
797		978
798	R->env_colorfgbg =
799	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	979	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
800	STRCPY(fstr, "default");	980	strcpy (fstr, "default");
801	STRCPY(bstr, "default");	981	strcpy (bstr, "default");
802	for (i = Color_Black; i <= Color_White; i++)	982	for (i = Color_Black; i <= Color_White; i++)
803	if (R->PixColors[Color_fg] == R->PixColors[i]) {	983	if (pix_colors[Color_fg] == pix_colors[i])
		984	{
804	sprintf(fstr, "%d", (i - Color_Black));	985	sprintf (fstr, "%d", (i - Color_Black));
805	break;	986	break;
806	}	987	}
		988
807	for (i = Color_Black; i <= Color_White; i++)	989	for (i = Color_Black; i <= Color_White; i++)
808	if (R->PixColors[Color_bg] == R->PixColors[i]) {	990	if (pix_colors[Color_bg] == pix_colors[i])
		991	{
809	sprintf(bstr, "%d", (i - Color_Black));	992	sprintf (bstr, "%d", (i - Color_Black));
810	#ifdef XPM_BACKGROUND	993	#ifdef XPM_BACKGROUND
811	xpmb = "default;";	994	xpmb = "default;";
812	#endif	995	#endif
813	break;	996	break;
814	}	997	}
		998
815	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	999	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
816	putenv(R->env_colorfgbg);
817
818	#ifndef NO_BRIGHTCOLOR
819	R->colorfgbg = DEFAULT_RSTYLE;
820	for (i = minCOLOR; i <= maxCOLOR; i++) {
821	if (R->PixColors[Color_fg] == R->PixColors[i])
822	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
823	if (R->PixColors[Color_bg] == R->PixColors[i])
824	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
825	}
826	#endif
827	}	1000	}
828		1001
829	/*----------------------------------------------------------------------*/	1002	/*----------------------------------------------------------------------*/
830	/*	1003	/*
831	* Colour determination for low colour displays, routine from	1004	* Colour determination for low colour displays, routine from
832	* Hans de Goede <hans@highrise.nl>	1005	* Hans de Goede <hans@highrise.nl>
833	*/	1006	*/
834		1007
835	/* EXTPROTO */
836	int	1008	int
837	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1009	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
838	{	1010	{
839	screen_in_out->set(aR_ colour);
840
841	if (!screen_in_out->set(aR_ colour)) {	1011	if (!screen_in_out->set (display, colour))
842	rxvt_print_error("can't allocate colour: %s", colour);	1012	{
		1013	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
843	return false;	1014	return false;
844	}	1015	}
845		1016
846	return true;	1017	return true;
847	}	1018	}
848		1019
849	/* -------------------------------------------------------------------- *	1020	/* -------------------------------------------------------------------- *
850	* - WINDOW RESIZING - *	1021	* - WINDOW RESIZING - *
851	* -------------------------------------------------------------------- */	1022	* -------------------------------------------------------------------- */
852	/* EXTPROTO */
853	void	1023	void
854	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1024	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)
855	int ignoreparent)
856	{	1025	{
857	int fix_screen;	1026	int fix_screen;
858		1027
859	#ifdef SMART_RESIZE	1028	#ifdef SMART_RESIZE
860	int old_width = R->szHint.width, old_height = R->szHint.height;	1029	int old_width = szHint.width, old_height = szHint.height;
861	#endif	1030	#endif
862		1031
863	rxvt_window_calc(aR_ width, height);	1032	window_calc (width, height);
864	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);	1033	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);
		1034
865	if (!ignoreparent) {	1035	if (!ignoreparent)
		1036	{
866	#ifdef SMART_RESIZE	1037	#ifdef SMART_RESIZE
867	/*	1038	/*
868	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1039	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
869	* reposition window on resize depending on placement on screen	1040	* reposition window on resize depending on placement on screen
870	*/	1041	*/
871	int x, y, x1, y1;	1042	int x, y, x1, y1;
872	int dx, dy;	1043	int dx, dy;
873	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1044	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
874	Window unused_cr;	1045	Window unused_cr;
875		1046
876	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1047	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,
877	0, 0, &x, &y, &unused_cr);	1048	0, 0, &x, &y, &unused_cr);
878	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1049	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,
879	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1050	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
880	/*	1051	/*
881	* if Xroot isn't the parent window, a WM will probably have offset	1052	* if display->root isn't the parent window, a WM will probably have offset
882	* our position for handles and decorations. Counter it	1053	* our position for handles and decorations. Counter it
883	*/	1054	*/
884	if (x1 != x || y1 != y) {	1055	if (x1 != x || y1 != y)
		1056	{
885	x -= x1;	1057	x -= x1;
886	y -= y1;	1058	y -= y1;
887	}	1059	}
888		1060
889	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1061	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;
890	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1062	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;
891	dx = old_width - R->szHint.width;	1063	dx = old_width - szHint.width;
892	dy = old_height - R->szHint.height;	1064	dy = old_height - szHint.height;
893		1065
894	/* Check position of the center of the window */	1066	/* Check position of the center of the window */
895	if (x < x1) /* left half */	1067	if (x < x1) /* left half */
896	dx = 0;	1068	dx = 0;
897	else if (x == x1) /* exact center */	1069	else if (x == x1) /* exact center */
898	dx /= 2;	1070	dx /= 2;
899	if (y < y1) /* top half */	1071	if (y < y1) /* top half */
900	dy = 0;	1072	dy = 0;
901	else if (y == y1) /* exact center */	1073	else if (y == y1) /* exact center */
902	dy /= 2;	1074	dy /= 2;
903		1075
904	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1076	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,
905	R->szHint.width, R->szHint.height);	1077	szHint.width, szHint.height);
906	#else	1078	#else
907	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1079	XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height);
908	R->szHint.height);
909	#endif	1080	#endif
910	}	1081	}
911		1082
912	fix_screen = (R->TermWin.ncol != R->prev_ncol	1083	fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow;
913	|| R->TermWin.nrow != R->prev_nrow);	1084
914	if (fix_screen || width != R->old_width || height != R->old_height) {	1085	if (fix_screen || width != old_width || height != old_height)
		1086	{
915	if (scrollbar_visible(R)) {	1087	if (scrollbar_visible ())
		1088	{
916	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1089	XMoveResizeWindow (display->display, scrollBar.win,
		1090	window_sb_x, 0,
917	0, scrollbar_TotalWidth(), R->szHint.height);	1091	scrollbar_TotalWidth (), szHint.height);
918	rxvt_Resize_scrollBar(aR);	1092	resize_scrollbar ();
919	}	1093	}
		1094
920	if (menubar_visible(R))	1095	if (menubar_visible ())
921	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1096	XMoveResizeWindow (display->display, menuBar.win,
		1097	window_vt_x, 0,
922	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1098	TermWin_TotalWidth (), menuBar_TotalHeight ());
923	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,	1099
924	R->window_vt_y, TermWin_TotalWidth(),	1100	XMoveResizeWindow (display->display, TermWin.vt,
		1101	window_vt_x, window_vt_y,
925	TermWin_TotalHeight());	1102	TermWin_TotalWidth (), TermWin_TotalHeight ());
926	#ifdef RXVT_GRAPHICS
927	if (R->old_height)
928	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
929	R->old_height - R->szHint.base_height);
930	#endif
931	rxvt_scr_clear(aR);	1103	scr_clear ();
932	#ifdef XPM_BACKGROUND	1104	#ifdef XPM_BACKGROUND
933	rxvt_resize_pixmap(aR);	1105	resize_pixmap ();
934	#endif	1106	#endif
935	}	1107	}
936		1108
937	if (fix_screen || R->old_height == 0) {	1109	if (fix_screen || old_height == 0)
		1110	{
938	int curr_screen = -1;	1111	int curr_screen = -1;
939	uint16_t old_ncol = R->prev_ncol;	1112	int old_ncol = prev_ncol;
940		1113
941	/* scr_reset only works on the primary screen */	1114	/* scr_reset only works on the primary screen */
942	if (R->old_height) /* this is not the first time through */	1115	if (old_height) /* this is not the first time through */
		1116	{
		1117	unsigned int ncol = TermWin.ncol;
		1118	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
943	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1119	curr_screen = scr_change_screen (PRIMARY);
944	rxvt_scr_reset(aR);	1120	TermWin.ncol = ncol;
945	if (curr_screen >= 0) { /* this is not the first time through */
946	rxvt_scr_change_screen(aR_ curr_screen);
947	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
948	}	1121	}
949	}
950		1122
		1123	scr_reset ();
		1124
		1125	if (curr_screen >= 0) /* this is not the first time through */
		1126	{
		1127	scr_change_screen (curr_screen);
		1128	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
		1129	}
		1130	}
		1131
951	R->old_width = R->szHint.width;	1132	old_width = szHint.width;
952	R->old_height = R->szHint.height;	1133	old_height = szHint.height;
953		1134
954	#ifdef USE_XIM	1135	#ifdef USE_XIM
955	rxvt_IMSetStatusPosition(aR);	1136	IMSetStatusPosition ();
956	#endif	1137	#endif
957	}	1138	}
958		1139
959	/*	1140	/*
960	* Set the width/height of the vt window in characters. Units are pixels.	1141	* Set the width/height of the vt window in characters. Units are pixels.
961	* good for toggling 80/132 columns	1142	* good for toggling 80/132 columns
962	*/	1143	*/
963	/* EXTPROTO */
964	void	1144	void
965	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1145	rxvt_term::set_widthheight (unsigned int width, unsigned int height)
966	{	1146	{
967	XWindowAttributes wattr;	1147	XWindowAttributes wattr;
968		1148
969	if (width == 0 || height == 0) {	1149	if (width == 0 || height == 0)
		1150	{
970	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1151	XGetWindowAttributes (display->display, display->root, &wattr);
971	if (width == 0)	1152	if (width == 0)
972	width = wattr.width - R->szHint.base_width;	1153	width = wattr.width - szHint.base_width;
973	if (height == 0)	1154	if (height == 0)
974	height = wattr.height - R->szHint.base_height;	1155	height = wattr.height - szHint.base_height;
975	}	1156	}
		1157
976	if (width != R->TermWin.width || height != R->TermWin.height) {	1158	if (width != TermWin.width || height != TermWin.height)
		1159	{
977	width += R->szHint.base_width;	1160	width += szHint.base_width;
978	height += R->szHint.base_height;	1161	height += szHint.base_height;
979	rxvt_resize_all_windows(aR_ width, height, 0);	1162	resize_all_windows (width, height, 0);
980	}	1163	}
981	}	1164	}
982		1165
983	/* -------------------------------------------------------------------- *	1166	/* -------------------------------------------------------------------- *
984	* - X INPUT METHOD ROUTINES - *	1167	* - X INPUT METHOD ROUTINES - *
985	* -------------------------------------------------------------------- */	1168	* -------------------------------------------------------------------- */
986	#ifdef USE_XIM	1169	#ifdef USE_XIM
987	/* INTPROTO */
988	void
989	rxvt_setSize(pR_ XRectangle * size)
990	{
991	size->x = R->TermWin.int_bwidth;
992	size->y = R->TermWin.int_bwidth;
993	size->width = Width2Pixel(R->TermWin.ncol);
994	size->height = Height2Pixel(R->TermWin.nrow);
995	}
996		1170
997	/* INTPROTO */
998	void	1171	void
999	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1172	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1000	{	1173	{
1001	*fg = R->PixColors[Color_fg];	1174	fg = pix_colors[Color_fg];
1002	*bg = R->PixColors[Color_bg];	1175	bg = pix_colors[Color_bg];
		1176	}
		1177
		1178	void
		1179	rxvt_term::im_set_size (XRectangle &size)
		1180	{
		1181	// the int_bwidth terms make no sense to me
		1182	size.x = TermWin.int_bwidth;
		1183	size.y = TermWin.int_bwidth;
		1184	size.width = Width2Pixel (TermWin.ncol) + TermWin.int_bwidth;
		1185	size.height = Height2Pixel (TermWin.nrow) + TermWin.int_bwidth;
		1186	}
		1187
		1188	void
		1189	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1190	XRectangle &status_rect,
		1191	const XRectangle &needed_rect)
		1192	{
		1193	preedit_rect.x = needed_rect.width;
		1194	preedit_rect.y = 0;
		1195	preedit_rect.width = Width2Pixel (TermWin.ncol) - needed_rect.width + 1;
		1196	preedit_rect.height = TermWin.fheight;
		1197
		1198	status_rect.x = 0;
		1199	status_rect.y = 0;
		1200	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (TermWin.ncol) + 1;
		1201	status_rect.height = TermWin.fheight;
1003	}	1202	}
1004		1203
1005	/* Checking whether input method is running. */	1204	/* Checking whether input method is running. */
1006	/* INTPROTO */
1007	Bool	1205	bool
1008	rxvt_IMisRunning(pR)	1206	rxvt_term::IMisRunning ()
1009	{	1207	{
1010	char *p;	1208	char *p;
1011	Atom atom;	1209	Atom atom;
1012	Window win;	1210	Window win;
1013	char server[IMBUFSIZ];	1211	char server[IMBUFSIZ];
1014		1212
1015	/* get current locale modifier */	1213	/* get current locale modifier */
1016	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1214	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1215	{
1017	STRCPY(server, "@server=");	1216	strcpy (server, "@server=");
1018	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1217	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1218
1019	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1219	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1020	*p = '\0';	1220	*p = '\0';
1021		1221
1022	atom = XInternAtom(R->Xdisplay, server, False);	1222	atom = XInternAtom (display->display, server, False);
1023	win = XGetSelectionOwner(R->Xdisplay, atom);	1223	win = XGetSelectionOwner (display->display, atom);
		1224
1024	if (win != None)	1225	if (win != None)
1025	return True;	1226	return True;
1026	}	1227	}
		1228
1027	return False;	1229	return False;
1028	}	1230	}
1029		1231
1030	/* EXTPROTO */
1031	void	1232	void
1032	rxvt_IMSendSpot(pR)	1233	rxvt_term::IMSendSpot ()
1033	{	1234	{
1034	XPoint spot;	1235	XPoint nspot;
1035	XVaNestedList preedit_attr;	1236	XVaNestedList preedit_attr;
1036		1237
1037	if (R->Input_Context == NULL	1238	if (!Input_Context
		1239	|| !TermWin.focus
1038	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1240	|| !(input_style & XIMPreeditPosition))
1039	|| !(R->event_type == KeyPress
1040	|| R->event_type == Expose
1041	|| R->event_type == NoExpose
1042	|| R->event_type == SelectionNotify
1043	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1044	|| !rxvt_IMisRunning(aR))
1045	return;	1241	return;
1046		1242
1047	rxvt_setPosition(aR_ & spot);	1243	im_set_position (nspot);
1048		1244
		1245	if (nspot.x == spot.x && nspot.y == spot.y)
		1246	return;
		1247
		1248	spot = nspot;
		1249
1049	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1250	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1050	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1251	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1051	XFree(preedit_attr);	1252	XFree (preedit_attr);
1052	}	1253	}
1053		1254
1054	/* EXTPROTO */
1055	void	1255	void
1056	rxvt_setTermFontSet(pR_ int idx)	1256	rxvt_term::im_destroy ()
1057	{	1257	{
1058	char *string;	1258	if (input_method)
1059	long length;	1259	{
1060	int success = 0;	1260	if (Input_Context && input_method->xim)
		1261	XDestroyIC (Input_Context);
1061		1262
1062	if (idx < 0 || idx >= MAX_NFONTS)	1263	display->put_xim (input_method);
1063	return;	1264	input_method = 0;
1064	}	1265	}
1065		1266
1066	/* INTPROTO */
1067	void
1068	rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1069	XRectangle * needed_rect)
1070	{
1071	int mbh, vtx = 0;
1072
1073	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1074	vtx = scrollbar_TotalWidth();
1075	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1076	mbh -= R->TermWin.lineSpace;
1077
1078	preedit_rect->x = needed_rect->width + vtx;
1079	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1080
1081	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1082	+ vtx;
1083	preedit_rect->height = Height2Pixel(1);
1084
1085	status_rect->x = vtx;
1086	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1087
1088	status_rect->width = needed_rect->width ? needed_rect->width
1089	: Width2Pixel(R->TermWin.ncol + 1);
1090	status_rect->height = Height2Pixel(1);
1091	}
1092
1093	/* ARGSUSED */
1094	/* INTPROTO */
1095	void
1096	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1097	__attribute__ ((unused)), XPointer call_data
1098	__attribute__ ((unused)))
1099	{
1100	dR;
1101
1102	R->Input_Context = NULL;	1267	Input_Context = 0;
1103	/* To avoid Segmentation Fault in C locale: Solaris only? */
1104	if (STRCMP(R->locale, "C"))
1105	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1106	rxvt_IMInstantiateCallback, NULL);
1107	}	1268	}
1108		1269
1109	/*	1270	/*
1110	* X manual pages and include files don't match on some systems:	1271	* Try to open a XIM with the current modifiers, then see if we can
1111	* some think this is an XIDProc and others an XIMProc so we can't	1272	* open a suitable preedit type
1112	* use the first argument - need to update this to be nice for
1113	* both types via some sort of configure detection
1114	*/	1273	*/
1115	/* ARGSUSED */	1274	bool
1116	/* EXTPROTO */	1275	rxvt_term::IM_get_IC (const char *modifiers)
1117	void
1118	rxvt_IMInstantiateCallback(Display * unused
1119	__attribute__ ((unused)), XPointer client_data
1120	__attribute__ ((unused)), XPointer call_data
1121	__attribute__ ((unused)))
1122	{	1276	{
1123	dR;	1277	int i, j, found;
		1278	XIM xim;
		1279	XPoint spot;
		1280	XRectangle rect, status_rect, needed_rect;
		1281	unsigned long fg, bg;
		1282	const char *p;
		1283	char **s;
		1284	XIMStyles *xim_styles;
		1285
		1286	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1287	return false;
		1288
		1289	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
		1290	input_method = display->get_xim (locale, modifiers);
		1291	if (input_method == NULL)
		1292	return false;
		1293
		1294	xim = input_method->xim;
		1295	spot.x = spot.y = -1;
		1296
		1297	xim_styles = NULL;
		1298	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
		1299	|| !xim_styles || !xim_styles->count_styles)
		1300	{
		1301	im_destroy ();
		1302	return false;
		1303	}
		1304
		1305	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1306
		1307	for (int pi = 0; pi < 2; pi++)
		1308	{
		1309	p = pet[pi];
		1310
		1311	if (!p)
		1312	continue;
		1313
		1314	s = rxvt_splitcommastring (p);
		1315
		1316	for (i = found = 0; !found && s[i]; i++)
		1317	{
		1318	if (!strcmp (s[i], "OverTheSpot"))
		1319	input_style = (XIMPreeditPosition | XIMStatusNothing);
		1320	else if (!strcmp (s[i], "OffTheSpot"))
		1321	input_style = (XIMPreeditArea | XIMStatusArea);
		1322	else if (!strcmp (s[i], "Root"))
		1323	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1324	else if (!strcmp (s[i], "None"))
		1325	input_style = (XIMPreeditNone | XIMStatusNone);
		1326
		1327	for (j = 0; j < xim_styles->count_styles; j++)
		1328	if (input_style == xim_styles->supported_styles[j])
		1329	{
		1330	rxvt_freecommastring (s);
		1331
		1332	found = 1;
		1333	goto foundpet;
		1334	}
		1335
		1336	}
		1337
		1338	rxvt_freecommastring (s);
		1339	}
		1340
		1341	foundpet:
		1342
		1343	XFree (xim_styles);
		1344
		1345	if (!found)
		1346	{
		1347	im_destroy ();
		1348	return false;
		1349	}
		1350
		1351	XFontSet fs = 0;
		1352	XVaNestedList preedit_attr = 0, status_attr = 0;
		1353
		1354	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1355	{
		1356	// fake us a font-set, please
		1357	char **missing_charset_list;
		1358	int missing_charset_count;
		1359	char *def_string;
		1360	char pat[512];
		1361
		1362	sprintf (pat,
		1363	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1364	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1365	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1366	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1367	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1368	"*",
		1369	TermWin.fheight,
		1370	TermWin.fheight + 1, TermWin.fheight - 1,
		1371	TermWin.fheight - 2, TermWin.fheight + 2);
		1372
		1373	fs = XCreateFontSet (display->display, pat,
		1374	&missing_charset_list, &missing_charset_count, &def_string);
		1375
		1376	if (missing_charset_list)
		1377	XFreeStringList (missing_charset_list);
		1378
		1379	if (!fs)
		1380	{
		1381	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1382	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1383	}
		1384	}
		1385
		1386	if (input_style & XIMPreeditPosition)
		1387	{
		1388	im_set_size (rect);
		1389	im_set_position (spot);
		1390	im_set_color (fg, bg);
		1391
		1392	preedit_attr = XVaCreateNestedList (0,
		1393	XNForeground, fg,
		1394	XNBackground, bg,
		1395	XNArea, &rect,
		1396	XNSpotLocation, &spot,
		1397	XNFontSet, fs,
		1398	NULL);
		1399	}
		1400	else if (input_style & XIMPreeditArea)
		1401	{
		1402	im_set_color (fg, bg);
		1403
		1404	/*
		1405	* The necessary width of preedit area is unknown
		1406	* until create input context.
		1407	*/
		1408	needed_rect.width = 0;
		1409	im_set_preedit_area (rect, status_rect, needed_rect);
		1410
		1411	preedit_attr = XVaCreateNestedList (0,
		1412	XNForeground, fg,
		1413	XNBackground, bg,
		1414	XNArea, &rect,
		1415	XNFontSet, fs,
		1416	NULL);
		1417	status_attr = XVaCreateNestedList (0,
		1418	XNForeground, fg,
		1419	XNBackground, bg,
		1420	XNArea, &status_rect,
		1421	XNFontSet, fs,
		1422	NULL);
		1423	}
		1424
		1425	Input_Context = XCreateIC (xim,
		1426	XNInputStyle, input_style,
		1427	XNClientWindow, TermWin.vt,
		1428	XNFocusWindow, TermWin.parent[0],
		1429	preedit_attr ? XNPreeditAttributes : NULL,
		1430	preedit_attr,
		1431	status_attr ? XNStatusAttributes : NULL,
		1432	status_attr, NULL);
		1433
		1434	if (preedit_attr) XFree (preedit_attr);
		1435	if (status_attr) XFree (status_attr);
		1436	if (fs) XFreeFontSet (display->display, fs);
		1437
		1438	if (Input_Context == NULL)
		1439	{
		1440	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1441	im_destroy ();
		1442	return false;
		1443	}
		1444
		1445	if (input_style & XIMPreeditArea)
		1446	IMSetStatusPosition ();
		1447
		1448	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1449	return true;
		1450	}
		1451
		1452	void
		1453	rxvt_term::im_cb ()
		1454	{
1124	int i, found, had_im;	1455	int i, found, had_im;
1125	const char *p;	1456	const char *p;
1126	char **s;	1457	char **s;
1127	char buf[IMBUFSIZ];	1458	char buf[IMBUFSIZ];
1128		1459
		1460	im_destroy ();
		1461
1129	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1462	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1130	if (R->Input_Context)	1463	if (Input_Context)
1131	return;	1464	return;
1132		1465
		1466	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1467	if (rs[Rs_imLocale])
		1468	SET_LOCALE (rs[Rs_imLocale]);
		1469	#endif
		1470
1133	p = R->rs[Rs_inputMethod];	1471	p = rs[Rs_inputMethod];
1134	if (p && *p)	1472	if (p && *p)
1135	{	1473	{
1136	bool found = false;	1474	bool found = false;
1137		1475
1138	s = rxvt_splitcommastring (p);	1476	s = rxvt_splitcommastring (p);
		1477
1139	for (i = 0; s[i]; i++)	1478	for (i = 0; s[i]; i++)
1140	{	1479	{
1141	if (*s[i])	1480	if (*s[i])
1142	{	1481	{
1143	STRCPY (buf, "@im=");	1482	strcpy (buf, "@im=");
1144	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1483	strncat (buf, s[i], IMBUFSIZ - 5);
1145	if ((p = XSetLocaleModifiers (buf)) && *p	1484	if (IM_get_IC (buf))
1146	&& rxvt_IM_get_IC (aR))
1147	{	1485	{
1148	found = true;	1486	found = true;
1149	break;	1487	break;
1150	}	1488	}
1151	}	1489	}
1152	}	1490	}
1153	for (i = 0; s[i]; i++)	1491
1154	free(s[i]);	1492	rxvt_freecommastring (s);
1155	free(s);
1156		1493
1157	if (found)	1494	if (found)
1158	return;	1495	goto done;
1159	}	1496	}
1160		1497
1161	/* try with XMODIFIERS env. var. */	1498	/* try with XMODIFIERS env. var. */
1162	if ((p = XSetLocaleModifiers ("")) && *p	1499	if (IM_get_IC (""))
1163	&& rxvt_IM_get_IC (aR))	1500	goto done;
		1501
		1502	/* try with no modifiers base IF the user didn't specify an IM */
		1503	if (IM_get_IC ("@im=none"))
		1504	goto done;
		1505
		1506	done:
		1507	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1508	if (rs[Rs_imLocale])
		1509	SET_LOCALE (locale);
		1510	#endif
		1511	}
		1512
		1513	void
		1514	rxvt_term::IMSetStatusPosition ()
		1515	{
		1516	XRectangle preedit_rect, status_rect, *needed_rect;
		1517	XVaNestedList preedit_attr, status_attr;
		1518
		1519	if (!Input_Context
		1520	|| !TermWin.focus
		1521	|| !(input_style & XIMPreeditArea)
		1522	|| !IMisRunning ())
1164	return;	1523	return;
1165		1524
1166	/* try with no modifiers base IF the user didn't specify an IM */
1167	if ((p = XSetLocaleModifiers ("@im=none")) && *p
1168	&& rxvt_IM_get_IC (aR) == True)
1169	return;
1170	}
1171
1172	/*
1173	* Try to open a XIM with the current modifiers, then see if we can
1174	* open a suitable preedit type
1175	*/
1176	/* INTPROTO */
1177	Bool
1178	rxvt_IM_get_IC(pR)
1179	{
1180	int i, j, found;
1181	XIM xim;
1182	XPoint spot;
1183	XRectangle rect, status_rect, needed_rect;
1184	unsigned long fg, bg;
1185	const char *p;
1186	char **s;
1187	XIMStyles *xim_styles;
1188	XVaNestedList preedit_attr, status_attr;
1189	XIMCallback ximcallback;
1190
1191	D_MAIN((stderr, "rxvt_IM_get_IC()"));
1192	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);
1193	if (xim == NULL)
1194	return False;
1195
1196	xim_styles = NULL;
1197	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)
1198	|| !xim_styles || !xim_styles->count_styles) {
1199	XCloseIM(xim);
1200	return False;
1201	}
1202
1203	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]
1204	: "OverTheSpot,OffTheSpot,Root";
1205	s = rxvt_splitcommastring(p);
1206	for (i = found = 0; !found && s[i]; i++) {
1207	if (!STRCMP(s[i], "OverTheSpot"))
1208	R->input_style = (XIMPreeditPosition | XIMStatusNothing);
1209	else if (!STRCMP(s[i], "OffTheSpot"))
1210	R->input_style = (XIMPreeditArea | XIMStatusArea);
1211	else if (!STRCMP(s[i], "Root"))
1212	R->input_style = (XIMPreeditNothing | XIMStatusNothing);
1213
1214	for (j = 0; j < xim_styles->count_styles; j++)
1215	if (R->input_style == xim_styles->supported_styles[j]) {
1216	found = 1;
1217	break;
1218	}
1219	}
1220	for (i = 0; s[i]; i++)
1221	free(s[i]);
1222	free(s);
1223	XFree(xim_styles);
1224
1225	if (!found) {
1226	XCloseIM(xim);
1227	return False;
1228	}
1229
1230	ximcallback.callback = rxvt_IMDestroyCallback;
1231
1232	/* XXX: not sure why we need this (as well as IC one below) */
1233	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1234
1235	preedit_attr = status_attr = NULL;
1236
1237	if (R->input_style & XIMPreeditPosition) {
1238	rxvt_setSize(aR_ & rect);
1239	rxvt_setPosition(aR_ & spot);
1240	rxvt_setColor(aR_ & fg, &bg);
1241
1242	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1243	XNSpotLocation, &spot,
1244	XNForeground, fg, XNBackground, bg,
1245	//XNFontSet, R->TermWin.fontset,
1246	NULL);
1247	} else if (R->input_style & XIMPreeditArea) {
1248	rxvt_setColor(aR_ & fg, &bg);
1249
1250	/*
1251	* The necessary width of preedit area is unknown
1252	* until create input context.
1253	*/
1254	needed_rect.width = 0;
1255
1256	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1257
1258	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1259	XNForeground, fg, XNBackground, bg,
1260	//XNFontSet, R->TermWin.fontset,
1261	NULL);
1262	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1263	XNForeground, fg, XNBackground, bg,
1264	//XNFontSet, R->TermWin.fontset,
1265	NULL);
1266	}
1267	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1268	XNClientWindow, R->TermWin.parent[0],
1269	XNFocusWindow, R->TermWin.parent[0],
1270	XNDestroyCallback, &ximcallback,
1271	preedit_attr ? XNPreeditAttributes : NULL,
1272	preedit_attr,
1273	status_attr ? XNStatusAttributes : NULL,
1274	status_attr, NULL);
1275	if (preedit_attr)
1276	XFree(preedit_attr);
1277	if (status_attr)
1278	XFree(status_attr);
1279	if (R->Input_Context == NULL) {
1280	rxvt_print_error("failed to create input context");
1281	XCloseIM(xim);
1282	return False;
1283	}
1284	if (R->input_style & XIMPreeditArea)
1285	rxvt_IMSetStatusPosition(aR);
1286	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1287	return True;
1288	}
1289
1290	/* EXTPROTO */
1291	void
1292	rxvt_IMSetStatusPosition(pR)
1293	{
1294	XRectangle preedit_rect, status_rect, *needed_rect;
1295	XVaNestedList preedit_attr, status_attr;
1296
1297	if (R->Input_Context == NULL
1298	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)
1299	|| !rxvt_IMisRunning(aR))
1300	return;
1301
1302	/* Getting the necessary width of preedit area */	1525	/* Getting the necessary width of preedit area */
1303	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1526	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1304	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1527	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1305	XFree(status_attr);	1528	XFree (status_attr);
1306		1529
1307	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1530	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1531	XFree (needed_rect);
1308		1532
1309	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1533	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1310	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1534	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1311		1535
1312	XSetICValues(R->Input_Context,	1536	XSetICValues (Input_Context,
1313	XNPreeditAttributes, preedit_attr,	1537	XNPreeditAttributes, preedit_attr,
1314	XNStatusAttributes, status_attr, NULL);	1538	XNStatusAttributes, status_attr, NULL);
1315		1539
1316	XFree(preedit_attr);	1540	XFree (preedit_attr);
1317	XFree(status_attr);	1541	XFree (status_attr);
1318	}	1542	}
1319	#endif /* USE_XIM */	1543	#endif /* USE_XIM */
1320		1544
1321	/*----------------------------------------------------------------------*/	1545	/*----------------------------------------------------------------------*/
1322	rxvt_t rxvt_current_term;	1546	rxvt_t rxvt_current_term;

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