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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.3 by pcg, Tue Nov 25 11:52:42 2003 UTC vs.
Revision 1.308 by ayin, Tue Feb 19 13:01:32 2008 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.3 2003/11/25 11:52:42 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) 2003-2008 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.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>
41	#endif
42
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	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>
45	#endif	51	# endif
		52	#endif
46		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
		59	static char curlocale[128], savelocale[128];
		60
		61	bool
		62	rxvt_set_locale (const char *locale) NOTHROW
		63	{
		64	int size = strlen (locale) + 1;
		65
		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);
		73	setlocale (LC_CTYPE, curlocale);
		74	return true;
		75	}
		76
		77	void
		78	rxvt_push_locale (const char *locale) NOTHROW
		79	{
		80	strcpy (savelocale, curlocale);
		81	rxvt_set_locale (locale);
		82	}
		83
		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
		149	return len;
		150
		151	}
		152	#endif
		153
47	rxvt_term::rxvt_term()	154	rxvt_term::rxvt_term ()
48	: pty_ev(this, &rxvt_term::pty_cb),
49	x_ev (this, &rxvt_term::x_cb)
50	{	155	{
		156	#if HAVE_BG_PIXMAP
		157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		158	#endif
		159	#ifdef CURSOR_BLINK
		160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		161	#endif
		162	#ifdef TEXT_BLINK
		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),
		180	#endif
		181	#ifdef POINTER_BLANK
		182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
		183	#endif
		184	#ifndef NO_BELL
		185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		186	#endif
		187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		189	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		190	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		191	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
51	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
52	}
53		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
54	void *	206	void
55	rxvt_term::operator new (size_t s)	207	rxvt_term::emergency_cleanup ()
56	{	208	{
57	void *p = malloc (s);	209	if (cmd_pid)
		210	kill (-cmd_pid, SIGHUP);
58		211
59	MEMSET (p, 0, s);	212	pty_ev.stop ();
60	return p;	213	delete pty; pty = 0;
61	}	214	}
62		215
63	void	216	rxvt_term::~rxvt_term ()
64	rxvt_term::operator delete (void *p, size_t s)
65	{	217	{
66	free (p);	218	termlist.erase (find (termlist.begin (), termlist.end(), this));
67	}
68		219
69	/*----------------------------------------------------------------------*/	220	emergency_cleanup ();
70	/* rxvt_init() */
71	/* LIBPROTO */
72	rxvt_t
73	rxvt_init(int argc, const char *const *argv)
74	{
75	const char **cmd_argv;
76		221
77	SET_R(new rxvt_term);	222	#if ENABLE_STYLES
78	dR;	223	for (int i = RS_styleCount; --i; )
79		224	if (fontset[i] != fontset[0])
80	if (rxvt_init_vars(aR) < 0)	225	delete fontset[i];
81	{
82	free(R);
83	return NULL;
84	}
85
86	/*
87	* Save and then give up any super-user privileges
88	* If we need privileges in any area then we must specifically request it.
89	* We should only need to be root in these cases:
90	* 1. write utmp entries on some systems
91	* 2. chown tty on some systems
92	*/
93	rxvt_privileges(aR_ SAVE);
94	rxvt_privileges(aR_ IGNORE);
95
96	rxvt_init_secondary(aR);
97
98	cmd_argv = rxvt_init_resources(aR_ argc, argv);
99
100	R->x_ev.start (ConnectionNumber (R->Xdisplay), EVENT_READ);
101
102	#if (MENUBAR_MAX)
103	rxvt_menubar_read(aR_ R->rs[Rs_menu]);
104	#endif	226	#endif
105	#ifdef HAVE_SCROLLBARS	227	delete fontset[0];
106	if (R->Options & Opt_scrollBar)
107	scrollbar_setIdle(); /* set existence for size calculations */
108	#endif
109		228
110	rxvt_Create_Windows(aR_ argc, argv);	229	#ifdef HAVE_BG_PIXMAP
111		230	bgPixmap.destroy ();
112	rxvt_init_xlocale(aR);
113
114	rxvt_scr_reset(aR); /* initialize screen */
115	#ifdef RXVT_GRAPHICS
116	rxvt_Gr_reset(aR); /* reset graphics */
117	#endif	231	#endif
118		232
119	#if 0	233	if (display)
120	#ifdef DEBUG_X
121	XSynchronize(R->Xdisplay, True);
122	XSetErrorHandler((XErrorHandler) abort);
123	#else
124	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
125	#endif
126	#endif
127
128	#ifdef HAVE_SCROLLBARS
129	if (R->Options & Opt_scrollBar)
130	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
131	#endif
132	#if (MENUBAR_MAX)
133	if (menubar_visible(r))
134	XMapWindow(R->Xdisplay, R->menuBar.win);
135	#endif
136	#ifdef TRANSPARENT
137	if (R->Options & Opt_transparent)
138	{	234	{
139	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);	235	selection_clear ();
140	rxvt_check_our_parents(aR);	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);
141	}	261	}
142	#endif
143	XMapWindow(R->Xdisplay, R->TermWin.vt);
144	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
145		262
146	rxvt_init_env(aR);	263	scr_release ();
147	rxvt_init_command(aR_ cmd_argv);
148		264
149	R->pty_ev.start (R->cmd_fd, EVENT_READ);	265	/* clear all resources */
		266	for (int i = 0; i < allocated.size (); i++)
		267	free (allocated [i]);
150		268
		269	free (selection.text);
		270	// TODO: manage env vars in child only(!)
		271	free (env_display);
		272	free (env_term);
		273	free (locale);
		274	free (v_buffer);
		275	free (incr_buf);
		276
		277	delete envv;
		278	delete argv;
		279
		280	#ifdef KEYSYM_RESOURCE
		281	delete keyboard;
		282	#endif
		283	#ifndef NO_RESOURCES
		284	XrmDestroyDatabase (option_db);
		285	#endif
		286	}
		287
		288	// child has exited, usually destroys
		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));
		293
		294	cmd_pid = 0;
		295
		296	if (!option (Opt_hold))
		297	destroy ();
		298	}
		299
		300	void
		301	rxvt_term::destroy ()
		302	{
		303	if (destroy_ev.is_active ())
151	return R;	304	return;
152	}
153		305
154	/* ------------------------------------------------------------------------- *	306	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
155	* SIGNAL HANDLING & EXIT HANDLER *
156	* ------------------------------------------------------------------------- */
157	/*
158	* Catch a SIGCHLD signal and exit if the direct child has died
159	*/
160	/* ARGSUSED */
161	/* EXTPROTO */
162	RETSIGTYPE
163	rxvt_Child_signal(int sig __attribute__ ((unused)))
164	{
165	dR;
166	int pid, save_errno = errno;
167		307
168	do {	308	#if ENABLE_OVERLAY
169	errno = 0;	309	scr_overlay_off ();
170	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
171
172	if (pid == R->cmd_pid)
173	exit(EXIT_SUCCESS);
174
175	errno = save_errno;
176	signal(SIGCHLD, rxvt_Child_signal);
177	}
178
179	/*
180	* Catch a fatal signal and tidy up before quitting
181	*/
182	/* EXTPROTO */
183	RETSIGTYPE
184	rxvt_Exit_signal(int sig)
185	{
186	signal(sig, SIG_DFL);
187	#ifdef DEBUG_CMD
188	rxvt_print_error("signal %d", sig);
189	#endif	310	#endif
190	rxvt_clean_exit();
191	kill(getpid(), sig);
192	}
193		311
194	/* ARGSUSED */	312	if (display)
195	/* INTPROTO */
196	int
197	rxvt_xerror_handler(const Display * display
198	__attribute__ ((unused)), const XErrorEvent * event)
199	{
200	dR;
201
202	if (R->allowedxerror == -1) {
203	R->allowedxerror = event->error_code;
204	return 0; /* ignored anyway */
205	}	313	{
206	rxvt_print_error("XError: Request: %d . %d, Error: %d",	314	#if USE_XIM
207	event->request_code, event->minor_code,	315	im_ev.stop (display);
208	event->error_code);	316	#endif
209	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	317	scrollbar_ev.stop (display);
210	exit(EXIT_FAILURE);	318	#if ENABLE_TRANSPARENCY || ENABLE_PERL
211	/* NOTREACHED */	319	rootwin_ev.stop (display);
		320	#endif
		321	incr_ev.stop ();
		322	termwin_ev.stop (display);
		323	vt_ev.stop (display);
		324	}
		325
		326	flush_ev.stop ();
		327	pty_ev.stop ();
		328	#ifdef CURSOR_BLINK
		329	cursor_blink_ev.stop ();
		330	#endif
		331	#ifdef TEXT_BLINK
		332	text_blink_ev.stop ();
		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
		340	#ifdef POINTER_BLANK
		341	pointer_ev.stop ();
		342	#endif
		343
		344	destroy_ev.start ();
		345	}
		346
		347	void
		348	rxvt_term::destroy_cb (ev::idle &w, int revents)
		349	{
		350	make_current ();
		351
		352	delete this;
212	}	353	}
213		354
214	/*----------------------------------------------------------------------*/	355	/*----------------------------------------------------------------------*/
215	/*	356	/*
216	* Exit gracefully, clearing the utmp entry and restoring tty attributes	357	* Exit gracefully, clearing the utmp entry and restoring tty attributes
217	* 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
218	*/	359	*/
219	/* EXTPROTO */	360	static XErrorHandler old_xerror_handler;
220	void
221	rxvt_clean_exit(void)
222	{
223	dR;
224		361
225	#ifdef DEBUG_SCREEN	362	static void
226	rxvt_scr_release(aR);	363	rxvt_emergency_cleanup ()
227	#endif
228	#ifndef NO_SETOWNER_TTYDEV
229	rxvt_privileged_ttydev(aR_ RESTORE);
230	#endif
231	#ifdef UTMP_SUPPORT
232	rxvt_privileged_utmp(aR_ RESTORE);
233	#endif
234	#ifdef USE_XIM
235	if (R->Input_Context != NULL) {
236	XDestroyIC(R->Input_Context);
237	R->Input_Context = NULL;
238	}
239	#endif
240	}
241
242	/* ------------------------------------------------------------------------- *
243	* MEMORY ALLOCATION WRAPPERS *
244	* ------------------------------------------------------------------------- */
245	/* EXTPROTO */
246	void *
247	rxvt_malloc(size_t size)
248	{	364	{
249	void *p;	365	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
250		366	(*t)->emergency_cleanup ();
251	p = malloc(size);
252	if (p)
253	return p;
254
255	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
256	rxvt_clean_exit();
257	exit(EXIT_FAILURE);
258	/* NOTREACHED */
259	}	367	}
260		368
261	/* EXTPROTO */	369	#if !ENABLE_MINIMAL
262	void *	370	static void
263	rxvt_calloc(size_t number, size_t size)	371	print_x_error (Display *dpy, XErrorEvent *event)
264	{	372	{
265	void *p;	373	char buffer[BUFSIZ];
266		374	char mesg[BUFSIZ];
267	p = calloc(number, size);	375	char number[32];
268	if (p)	376	char *mtype = "XlibMessage";
269	return p;	377	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
270		378	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
271	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	379	rxvt_warn ("An X Error occured, trying to continue after report.\n");
272	rxvt_clean_exit();	380	rxvt_warn ("%s: %s\n", mesg, buffer);
273	exit(EXIT_FAILURE);	381	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
274	/* 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);
275	}	415	}
276
277	/* EXTPROTO */
278	void *
279	rxvt_realloc(void *ptr, size_t size)
280	{
281	void *p;
282
283	if (ptr)
284	p = realloc(ptr, size);
285	else
286	p = malloc(size);
287	if (p)
288	return p;
289
290	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
291	rxvt_clean_exit();
292	exit(EXIT_FAILURE);
293	/* NOTREACHED */
294	}
295
296	/* ------------------------------------------------------------------------- *
297	* PRIVILEGED OPERATIONS *
298	* ------------------------------------------------------------------------- */
299	/* take care of suid/sgid super-user (root) privileges */
300	/* INTPROTO */
301	void
302	rxvt_privileges(pR_ int mode)
303	{
304	#if ! defined(__CYGWIN32__)
305	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
306	/* setreuid() is the poor man's setuid(), seteuid() */
307	# define seteuid(a) setreuid(-1, (a))
308	# define setegid(a) setregid(-1, (a))
309	# define HAVE_SETEUID
310	# endif	416	#endif
311	# ifdef HAVE_SETEUID	417
312	switch (mode) {	418	int
313	case IGNORE:	419	rxvt_xerror_handler (Display *display, XErrorEvent *event)
314	/*	420	{
315	* change effective uid/gid - not real uid/gid - so we can switch	421	if (GET_R->allowedxerror == -1)
316	* back to root later, as required	422	GET_R->allowedxerror = event->error_code;
317	*/	423	else
318	seteuid(getuid());
319	setegid(getgid());
320	break;
321	case SAVE:
322	R->euid = geteuid();
323	R->egid = getegid();
324	break;
325	case RESTORE:
326	seteuid(R->euid);
327	setegid(R->egid);
328	break;
329	}	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);
330	# else	429	#else
331	switch (mode) {	430	print_x_error (display, event);
332	case IGNORE:
333	setuid(getuid());
334	setgid(getgid());
335	/* FALLTHROUGH */
336	case SAVE:
337	/* FALLTHROUGH */
338	case RESTORE:
339	break;
340	}
341	# endif	431	#endif
342	#endif	432	}
343	}
344		433
345	#ifdef UTMP_SUPPORT	434	return 0;
346	/* EXTPROTO */	435	}
347	void
348	rxvt_privileged_utmp(pR_ char action)
349	{
350	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
351	action, R->next_utmp_action, getpid()));
352	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
353	|| (R->Options & Opt_utmpInhibit)
354	|| R->ttydev == NULL || *R->ttydev == '\0')
355	return;
356		436
357	rxvt_privileges(aR_ RESTORE);	437	int
358	if (action == SAVE) {	438	rxvt_xioerror_handler (Display *display)
359	R->next_utmp_action = RESTORE;	439	{
360	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	440	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
361	} else { /* action == RESTORE */	441	DisplayString (display));
362	R->next_utmp_action = IGNORE;	442	rxvt_emergency_cleanup ();
363	rxvt_cleanutent(aR);	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);
364	}	459	}
365	rxvt_privileges(aR_ IGNORE);	460	} sig_handlers;
366	}
367	#endif
368		461
369	#ifndef NO_SETOWNER_TTYDEV
370	/* EXTPROTO */
371	void	462	void
372	rxvt_privileged_ttydev(pR_ char action)	463	sig_handlers::sig_term (ev::sig &w, int revents)
373	{	464	{
374	D_MAIN((stderr,	465	rxvt_emergency_cleanup ();
375	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",	466	w.stop ();
376	action, R->next_tty_action, getpid()));	467	kill (getpid (), w.signum);
377	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
378	|| R->ttydev == NULL || *R->ttydev == '\0')
379	return;
380
381	rxvt_privileges(aR_ RESTORE);
382
383	if (action == SAVE) {
384	R->next_tty_action = RESTORE;
385	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
386	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
387	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
388	R->next_tty_action = IGNORE;
389	else
390	# endif
391	{
392	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
393	chmod(R->ttydev, R->ttymode);
394	# ifdef HAVE_REVOKE
395	revoke(R->ttydev);
396	# endif
397	}
398	} else { /* action == RESTORE */
399	R->next_tty_action = IGNORE;
400	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
401	chmod(R->ttydev, R->ttyfd_stat.st_mode);
402	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
403	# else
404	chmod(R->ttydev,
405	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
406	chown(R->ttydev, 0, 0);
407	# endif
408	}
409
410	rxvt_privileges(aR_ IGNORE);
411
412	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
413	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
414	action == RESTORE ? "Restoring" : (action ==
415	SAVE ? "Saving" :
416	"UNKNOWN ERROR for"), R->ttydev,
417	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
418	R->ttyfd_stat.st_gid));
419	# endif
420	}	468	}
421	#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	}
422		497
423	/*----------------------------------------------------------------------*/	498	/*----------------------------------------------------------------------*/
424	/*	499	/*
425	* window size/position calculcations for XSizeHint and other storage.	500	* window size/position calculations for XSizeHint and other storage.
426	* if width/height are non-zero then override calculated width/height	501	* if width/height are non-zero then override calculated width/height
427	*/	502	*/
428	/* EXTPROTO */
429	void	503	void
430	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	504	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
431	{	505	{
432	short recalc_x, recalc_y;	506	short recalc_x, recalc_y;
433	int x, y, sb_w, mb_h, flags;	507	int x, y, flags;
434	unsigned int w, h;	508	unsigned int w, h;
435	unsigned int max_width, max_height;	509	unsigned int max_width, max_height;
436		510
437	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
438	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
439	R->szHint.height));
440	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	511	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
441	R->szHint.win_gravity = NorthWestGravity;	512	szHint.win_gravity = NorthWestGravity;
442	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	513	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
443		514
444	recalc_x = recalc_y = 0;	515	recalc_x = recalc_y = 0;
445	flags = 0;	516	flags = 0;
		517
446	if (!R->parsed_geometry) {	518	if (!parsed_geometry)
		519	{
447	R->parsed_geometry = 1;	520	parsed_geometry = 1;
		521
448	if (R->rs[Rs_geometry])	522	if (rs[Rs_geometry])
449	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	523	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		524
450	if (flags & WidthValue) {	525	if (flags & WidthValue)
451	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	526	{
		527	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
452	R->szHint.flags |= USSize;	528	szHint.flags |= USSize;
453	}	529	}
		530
454	if (flags & HeightValue) {	531	if (flags & HeightValue)
455	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	532	{
		533	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
456	R->szHint.flags |= USSize;	534	szHint.flags |= USSize;
457	}	535	}
		536
458	if (flags & XValue) {	537	if (flags & XValue)
		538	{
459	R->szHint.x = x;	539	szHint.x = x;
460	R->szHint.flags |= USPosition;	540	szHint.flags |= USPosition;
		541
461	if (flags & XNegative) {	542	if (flags & XNegative)
		543	{
462	recalc_x = 1;	544	recalc_x = 1;
463	R->szHint.win_gravity = NorthEastGravity;	545	szHint.win_gravity = NorthEastGravity;
464	}	546	}
465	}	547	}
		548
466	if (flags & YValue) {	549	if (flags & YValue)
		550	{
467	R->szHint.y = y;	551	szHint.y = y;
468	R->szHint.flags |= USPosition;	552	szHint.flags |= USPosition;
		553
469	if (flags & YNegative) {	554	if (flags & YNegative)
		555	{
470	recalc_y = 1;	556	recalc_y = 1;
		557
471	if (R->szHint.win_gravity == NorthEastGravity)	558	if (szHint.win_gravity == NorthEastGravity)
472	R->szHint.win_gravity = SouthEastGravity;	559	szHint.win_gravity = SouthEastGravity;
473	else	560	else
474	R->szHint.win_gravity = SouthWestGravity;	561	szHint.win_gravity = SouthWestGravity;
475	}	562	}
476	}	563	}
477	}	564	}
		565
478	/* TODO: BOUNDS */	566	/* TODO: BOUNDS */
479	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	567	width = ncol * fwidth;
480	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	568	height = nrow * fheight;
481	max_width = MAX_COLS * R->TermWin.fwidth;	569	max_width = MAX_COLS * fwidth;
482	max_height = MAX_ROWS * R->TermWin.fheight;	570	max_height = MAX_ROWS * fheight;
483		571
484	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	572	szHint.base_width = szHint.base_height = 2 * int_bwidth;
485		573
486	sb_w = mb_h = 0;
487	R->window_vt_x = R->window_vt_y = 0;	574	window_vt_x = window_vt_y = int_bwidth;
488	if (scrollbar_visible(R)) {	575
		576	if (scrollBar.state)
		577	{
489	sb_w = scrollbar_TotalWidth();	578	int sb_w = scrollBar.total_width ();
490	R->szHint.base_width += sb_w;	579	szHint.base_width += sb_w;
		580
491	if (!(R->Options & Opt_scrollBar_right))	581	if (!option (Opt_scrollBar_right))
492	R->window_vt_x = sb_w;	582	window_vt_x += sb_w;
493	}	583	}
494	if (menubar_visible(R)) {	584
495	mb_h = menuBar_TotalHeight();
496	R->szHint.base_height += mb_h;
497	R->window_vt_y = mb_h;
498	}
499	R->szHint.width_inc = R->TermWin.fwidth;	585	szHint.width_inc = fwidth;
500	R->szHint.height_inc = R->TermWin.fheight;	586	szHint.height_inc = fheight;
501	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	587	szHint.min_width = szHint.base_width + szHint.width_inc;
502	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	588	szHint.min_height = szHint.base_height + szHint.height_inc;
503		589
504	if (width && width - R->szHint.base_width < max_width) {	590	if (newwidth && newwidth - szHint.base_width < max_width)
		591	{
505	R->szHint.width = width;	592	szHint.width = newwidth;
506	R->TermWin.width = width - R->szHint.base_width;	593	width = newwidth - szHint.base_width;
507	} else {	594	}
508	MIN_IT(R->TermWin.width, max_width);	595	else
		596	{
		597	min_it (width, max_width);
509	R->szHint.width = R->szHint.base_width + R->TermWin.width;	598	szHint.width = szHint.base_width + width;
510	}	599	}
		600
511	if (height && height - R->szHint.base_height < max_height) {	601	if (newheight && newheight - szHint.base_height < max_height)
		602	{
512	R->szHint.height = height;	603	szHint.height = newheight;
513	R->TermWin.height = height - R->szHint.base_height;	604	height = newheight - szHint.base_height;
514	} else {	605	}
515	MIN_IT(R->TermWin.height, max_height);	606	else
		607	{
		608	min_it (height, max_height);
516	R->szHint.height = R->szHint.base_height + R->TermWin.height;	609	szHint.height = szHint.base_height + height;
517	}	610	}
518	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
519	R->window_sb_x = R->szHint.width - sb_w;
520		611
521	if (recalc_x)	612	if (recalc_x)
522	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	613	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
523	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	614
524	if (recalc_y)	615	if (recalc_y)
525	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	616	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
526	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
527		617
528	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	618	ncol = width / fwidth;
529	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	619	nrow = height / fheight;
530	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
531	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
532	R->szHint.height));
533	return;
534	}	620	}
535		621
536	/*----------------------------------------------------------------------*/	622	/*----------------------------------------------------------------------*/
537	/*	623	/*
538	* Tell the teletype handler what size the window is.	624	* Tell the teletype handler what size the window is.
539	* Called after a window size change.	625	* Called after a window size change.
540	*/	626	*/
541	/* EXTPROTO */
542	void	627	void
543	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	628	rxvt_term::tt_winch ()
544	{	629	{
		630	if (pty->pty < 0)
		631	return;
		632
545	struct winsize ws;	633	struct winsize ws;
546		634
547	if (fd < 0)
548	return;
549	ws.ws_col = col;	635	ws.ws_col = ncol;
550	ws.ws_row = row;	636	ws.ws_row = nrow;
551	ws.ws_xpixel = ws.ws_ypixel = 0;	637	ws.ws_xpixel = width;
552	#ifndef DEBUG_SIZE	638	ws.ws_ypixel = height;
553	(void)ioctl(fd, TIOCSWINSZ, &ws);	639	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
554	#else	640
555	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	641	#if 0
556	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	642	// TIOCSWINSZ is supposed to do this automatically and correctly
557	}
558	# ifdef SIGWINCH
559	else if (pid) /* force through to the command */	643	if (cmd_pid) /* force through to the command */
560	kill(pid, SIGWINCH);	644	kill (-cmd_pid, SIGWINCH);
561	# endif
562	#endif	645	#endif
563	}	646	}
564		647
565	/*----------------------------------------------------------------------*/	648	/*----------------------------------------------------------------------*/
566	/* rxvt_change_font() - Switch to a new font */	649	/* set_fonts () - load and set the various fonts
567	/*	650	*
568	* init = 1 - initialize	651	* init = 1 - initialize
569	*	652	*
570	* fontname == FONT_UP - switch to bigger font	653	* fontname == FONT_UP - switch to bigger font
571	* fontname == FONT_DN - switch to smaller font	654	* fontname == FONT_DN - switch to smaller font
572	*/	655	*/
573	/* EXTPROTO */	656	bool
574	void	657	rxvt_term::set_fonts ()
575	rxvt_change_font(pR_ int init, const char *fontname)
576	{	658	{
577	}	659	rxvt_fontset *fs = new rxvt_fontset (this);
		660	rxvt_fontprop prop;
578		661
579	/* INTPROTO */	662	if (!fs
		663	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		664	|| !fs->realize_font (1))
		665	{
		666	delete fs;
		667	return false;
		668	}
		669
		670	#if ENABLE_STYLES
		671	for (int i = RS_styleCount; --i; )
		672	if (fontset[i] != fontset[0])
		673	delete fontset[i];
		674	#endif
		675
		676	delete fontset[0];
		677	fontset[0] = fs;
		678
		679	prop = (*fs)[1]->properties ();
		680	prop.height += lineSpace;
		681
		682	fs->set_prop (prop, false);
		683
		684	fwidth = prop.width;
		685	fheight = prop.height;
		686	fbase = prop.ascent;
		687
		688	for (int style = 1; style < 4; style++)
		689	{
		690	#if ENABLE_STYLES
		691	const char *res = rs[Rs_font + style];
		692
		693	if (res && !*res)
		694	fontset[style] = fontset[0];
		695	else
		696	{
		697	fontset[style] = fs = new rxvt_fontset (this);
		698	rxvt_fontprop prop2 = prop;
		699
		700	if (res)
		701	{
		702	fs->populate (res);
		703	fs->set_prop (prop2, false);
		704	}
		705	else
		706	{
		707	fs->populate (fontset[0]->fontdesc);
		708
		709	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		710	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		711
		712	fs->set_prop (prop2, true);
		713	}
		714
		715	}
		716	#else
		717	fontset[style] = fontset[0];
		718	#endif
		719	}
		720
		721	if (parent[0])
		722	{
		723	resize_all_windows (0, 0, 0);
		724	scr_remap_chars ();
		725	scr_touch (true);
		726	}
		727
		728	return true;
		729	}
		730
580	void	731	void
581	rxvt_font_up_down(pR_ int n, int direction)	732	rxvt_term::set_string_property (Atom prop, const char *str, int len)
582	{	733	{
		734	XChangeProperty (dpy, parent[0],
		735	prop, XA_STRING, 8, PropModeReplace,
		736	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		737	}
		738
		739	void
		740	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		741	{
		742	wchar_t *ws = rxvt_mbstowcs (str, len);
		743	char *s = rxvt_wcstoutf8 (ws);
		744
		745	XChangeProperty (dpy, parent[0],
		746	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		747	(const unsigned char *)s, strlen (s));
		748
		749	free (s);
		750	free (ws);
583	}	751	}
584		752
585	/*----------------------------------------------------------------------*/	753	/*----------------------------------------------------------------------*/
586	/*----------------------------------------------------------------------*/	754	/*----------------------------------------------------------------------*/
587	/* xterm sequences - title, iconName, color (exptl) */	755	/* xterm sequences - title, iconName, color (exptl) */
588	/* EXTPROTO */
589	void	756	void
590	rxvt_set_title(pR_ const char *str)	757	rxvt_term::set_title (const char *str)
591	{	758	{
592	#ifndef SMART_WINDOW_TITLE	759	set_string_property (XA_WM_NAME, str);
593	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	760	#if ENABLE_EWMH
594	#else	761	set_utf8_property (xa[XA_NET_WM_NAME], str);
595	char *name;
596
597	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
598	name = NULL;
599	if (name == NULL || STRCMP(name, str))
600	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
601	if (name)
602	XFree(name);
603	#endif	762	#endif
604	}	763	}
605		764
606	/* EXTPROTO */
607	void	765	void
608	rxvt_set_iconName(pR_ const char *str)	766	rxvt_term::set_icon_name (const char *str)
609	{	767	{
610	#ifndef SMART_WINDOW_TITLE	768	set_string_property (XA_WM_ICON_NAME, str);
611	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	769	#if ENABLE_EWMH
612	#else	770	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
613	char *name;
614
615	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
616	name = NULL;
617	if (name == NULL || STRCMP(name, str))
618	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
619	if (name)
620	XFree(name);
621	#endif	771	#endif
622	}	772	}
623		773
		774	void
		775	rxvt_term::set_window_color (int idx, const char *color)
		776	{
624	#ifdef XTERM_COLOR_CHANGE	777	#ifdef XTERM_COLOR_CHANGE
625	/* EXTPROTO */
626	void
627	rxvt_set_window_color(pR_ int idx, const char *color)
628	{
629	rxvt_color xcol;	778	rxvt_color xcol;
630	int i;
631		779
632	if (color == NULL || *color == '\0')	780	if (color == NULL || *color == '\0')
633	return;	781	return;
634		782
		783	color = strdup (color);
		784	allocated.push_back ((void *)color);
		785	rs[Rs_color + idx] = color;
		786
635	/* handle color aliases */	787	/* handle color aliases */
636	if (isdigit(*color)) {	788	if (isdigit (*color))
		789	{
637	i = atoi(color);	790	int i = atoi (color);
638	if (i >= 8 && i <= 15) { /* bright colors */	791
639	i -= 8;	792	if (i >= 8 && i <= 15)
640	# ifndef NO_BRIGHTCOLOR	793	{
641	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	794	/* bright colors */
642	SET_PIXCOLOR(R, idx);	795	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
643	goto Done;	796	goto done;
644	# endif
645	}	797	}
646	if (i >= 0 && i <= 7) { /* normal colors */	798
647	R->PixColors[idx] = R->PixColors[minCOLOR + i];	799	if (i >= 0 && i <= 7)
648	SET_PIXCOLOR(R, idx);	800	{
		801	/* normal colors */
		802	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
649	goto Done;	803	goto done;
650	}	804	}
651	}	805	}
652	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
653	return;
654	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
655		806
656	/*	807	set_color (xcol, color);
		808
		809	/*
657	* FIXME: should free colors here, but no idea how to do it so instead,	810	* FIXME: should free colors here, but no idea how to do it so instead,
658	* so just keep gobbling up the colormap	811	* so just keep gobbling up the colormap
659	*/	812	*/
660	# if 0
661	for (i = Color_Black; i <= Color_White; i++)
662	if (R->PixColors[idx] == R->PixColors[i])
663	break;
664	if (i > Color_White) {
665	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
666	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
667	DisplayPlanes(R->Xdisplay, Xscreen));
668	}
669	# endif
670		813
671	R->PixColors[idx] = xcol;	814	pix_colors_focused[idx] = xcol;
672	SET_PIXCOLOR(R, idx);
673		815
674	/* XSetWindowAttributes attr; */	816	done:
675	/* Cursor cursor; */
676	Done:
677	if (idx == Color_bg && !(R->Options & Opt_transparent))
678	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
679	R->PixColors[Color_bg]);
680
681	/* handle Color_BD, scrollbar background, etc. */	817	/*TODO: handle Color_BD, scrollbar background, etc. */
682		818
683	rxvt_set_colorfgbg(aR);	819	update_fade_color (idx);
684	rxvt_recolour_cursor(aR);	820	recolour_cursor ();
685	/* the only reasonable way to enforce a clean update */	821	scr_recolour ();
686	rxvt_scr_poweron(aR);	822	#endif /* XTERM_COLOR_CHANGE */
687	}	823	}
688		824
689	#else
690	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
691	#endif /* XTERM_COLOR_CHANGE */
692
693	/* EXTPROTO */
694	void	825	void
695	rxvt_recolour_cursor(pR)	826	rxvt_term::recolour_cursor ()
696	{	827	{
697	rxvt_color xcol[2];	828	XColor fg, bg;
698		829
699	#if TODO	830	(ISSET_PIXCOLOR (Color_pointer_fg)
700	xcol[0] = R->PixColors[Color_pointer];	831	? pix_colors_focused[Color_pointer_fg]
701	xcol[1] = R->PixColors[Color_bg];	832	: pix_colors_focused[Color_fg]).get (fg);
702	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	833
703	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	834	(ISSET_PIXCOLOR (Color_pointer_bg)
704	#endif	835	? pix_colors_focused[Color_pointer_bg]
		836	: pix_colors_focused[Color_bg]).get (bg);
		837
		838	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
705	}	839	}
706		840
707	/*----------------------------------------------------------------------*/	841	/*----------------------------------------------------------------------*/
708	/*	842	/*
709	* find if fg/bg matches any of the normal (low-intensity) colors	843	* find if fg/bg matches any of the normal (low-intensity) colors
710	*/	844	*/
711	/* INTPROTO */
712	void	845	void
713	rxvt_set_colorfgbg(pR)	846	rxvt_term::set_colorfgbg ()
714	{	847	{
715	unsigned int i;	848	unsigned int i;
716	const char *xpmb = "\0";	849	const char *xpmb = "";
717	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	850	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
718		851
719	R->env_colorfgbg =	852	strcpy (fstr, "default");
720	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	853	strcpy (bstr, "default");
721	STRCPY(fstr, "default");
722	STRCPY(bstr, "default");
723	for (i = Color_Black; i <= Color_White; i++)	854	for (i = Color_Black; i <= Color_White; i++)
724	if (R->PixColors[Color_fg] == R->PixColors[i]) {	855	if (pix_colors[Color_fg] == pix_colors[i])
		856	{
725	sprintf(fstr, "%d", (i - Color_Black));	857	sprintf (fstr, "%d", (i - Color_Black));
726	break;	858	break;
727	}	859	}
		860
728	for (i = Color_Black; i <= Color_White; i++)	861	for (i = Color_Black; i <= Color_White; i++)
729	if (R->PixColors[Color_bg] == R->PixColors[i]) {	862	if (pix_colors[Color_bg] == pix_colors[i])
		863	{
730	sprintf(bstr, "%d", (i - Color_Black));	864	sprintf (bstr, "%d", (i - Color_Black));
731	#ifdef XPM_BACKGROUND	865	#ifdef BG_IMAGE_FROM_FILE
732	xpmb = "default;";	866	xpmb = "default;";
733	#endif	867	#endif
734	break;	868	break;
735	}	869	}
		870
736	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	871	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
737	putenv(R->env_colorfgbg);
738
739	#ifndef NO_BRIGHTCOLOR
740	R->colorfgbg = DEFAULT_RSTYLE;
741	for (i = minCOLOR; i <= maxCOLOR; i++) {
742	if (R->PixColors[Color_fg] == R->PixColors[i])
743	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
744	if (R->PixColors[Color_bg] == R->PixColors[i])
745	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
746	}
747	#endif
748	}	872	}
749		873
750	/*----------------------------------------------------------------------*/	874	/*----------------------------------------------------------------------*/
751	/*
752	* Colour determination for low colour displays, routine from
753	* Hans de Goede <hans@highrise.nl>
754	*/
755		875
756	/* EXTPROTO */	876	bool
757	int	877	rxvt_term::set_color (rxvt_color &color, const char *name)
758	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
759	{	878	{
760	screen_in_out->set(aR_ colour);	879	if (color.set (this, name))
761
762	if (!screen_in_out->set(aR_ colour)) {
763	rxvt_print_error("can't allocate colour: %s", colour);
764	return false;
765	}
766
767	return true;	880	return true;
		881
		882	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		883	return false;
		884	}
		885
		886	void
		887	rxvt_term::alias_color (int dst, int src)
		888	{
		889	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
768	}	890	}
769		891
770	/* -------------------------------------------------------------------- *	892	/* -------------------------------------------------------------------- *
771	* - WINDOW RESIZING - *	893	* - WINDOW RESIZING - *
772	* -------------------------------------------------------------------- */	894	* -------------------------------------------------------------------- */
773	/* EXTPROTO */
774	void	895	void
775	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	896	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
776	int ignoreparent)
777	{	897	{
778	int fix_screen;	898	int fix_screen;
		899	int old_width = szHint.width;
		900	int old_height = szHint.height;
779		901
		902	window_calc (newwidth, newheight);
		903
		904	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
		905	XSetWMNormalHints (dpy, parent[0], &szHint);
		906
		907	if (!ignoreparent)
		908	{
780	#ifdef SMART_RESIZE	909	#ifdef SMART_RESIZE
781	int old_width = R->szHint.width, old_height = R->szHint.height;	910	/*
782	#endif
783
784	rxvt_window_calc(aR_ width, height);
785	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
786	if (!ignoreparent) {
787	#ifdef SMART_RESIZE
788	/*
789	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	911	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
790	* reposition window on resize depending on placement on screen	912	* reposition window on resize depending on placement on screen
791	*/	913	*/
792	int x, y, x1, y1;	914	int x, y, x1, y1;
793	int dx, dy;	915	int dx, dy;
794	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	916	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
795	Window unused_cr;	917	Window unused_cr;
796		918
797	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	919	XTranslateCoordinates (dpy, parent[0], display->root,
798	0, 0, &x, &y, &unused_cr);	920	0, 0, &x, &y, &unused_cr);
799	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	921	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
800	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	922	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
801	/*	923	/*
802	* if Xroot isn't the parent window, a WM will probably have offset	924	* if display->root isn't the parent window, a WM will probably have offset
803	* our position for handles and decorations. Counter it	925	* our position for handles and decorations. Counter it
804	*/	926	*/
805	if (x1 != x || y1 != y) {	927	if (x1 != x || y1 != y)
		928	{
806	x -= x1;	929	x -= x1;
807	y -= y1;	930	y -= y1;
808	}	931	}
809		932
810	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	933	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
811	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	934	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
812	dx = old_width - R->szHint.width;	935	dx = old_width - szHint.width;
813	dy = old_height - R->szHint.height;	936	dy = old_height - szHint.height;
814		937
815	/* Check position of the center of the window */	938	/* Check position of the center of the window */
816	if (x < x1) /* left half */	939	if (x < x1) /* left half */
817	dx = 0;	940	dx = 0;
818	else if (x == x1) /* exact center */	941	else if (x == x1) /* exact center */
819	dx /= 2;	942	dx /= 2;
820	if (y < y1) /* top half */	943	if (y < y1) /* top half */
821	dy = 0;	944	dy = 0;
822	else if (y == y1) /* exact center */	945	else if (y == y1) /* exact center */
823	dy /= 2;	946	dy /= 2;
824		947
825	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	948	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
826	R->szHint.width, R->szHint.height);	949	szHint.width, szHint.height);
827	#else	950	#else
828	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	951	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
829	R->szHint.height);
830	#endif	952	#endif
831	}	953	}
832		954
833	fix_screen = (R->TermWin.ncol != R->prev_ncol	955	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
834	|| R->TermWin.nrow != R->prev_nrow);	956
835	if (fix_screen || width != R->old_width || height != R->old_height) {	957	if (fix_screen || newwidth != old_width || newheight != old_height)
836	if (scrollbar_visible(R)) {
837	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
838	0, scrollbar_TotalWidth(), R->szHint.height);
839	rxvt_Resize_scrollBar(aR);
840	}
841	if (menubar_visible(R))
842	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
843	0, TermWin_TotalWidth(), menuBar_TotalHeight());
844	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
845	R->window_vt_y, TermWin_TotalWidth(),
846	TermWin_TotalHeight());
847	#ifdef RXVT_GRAPHICS
848	if (R->old_height)
849	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
850	R->old_height - R->szHint.base_height);
851	#endif
852	rxvt_scr_clear(aR);
853	#ifdef XPM_BACKGROUND
854	rxvt_resize_pixmap(aR);
855	#endif
856	}	958	{
		959	if (scrollBar.state)
		960	scrollBar.resize ();
857		961
		962	XMoveResizeWindow (dpy, vt,
		963	window_vt_x, window_vt_y,
		964	width, height);
		965
		966	#ifdef HAVE_BG_PIXMAP
		967	if (bgPixmap.window_size_sensitive ())
		968	update_background ();
		969	#endif
		970
		971	scr_clear ();
		972	}
		973
858	if (fix_screen || R->old_height == 0) {	974	if (fix_screen || old_height == 0)
859	int curr_screen = -1;	975	scr_reset ();
860	uint16_t old_ncol = R->prev_ncol;
861		976
862	/* scr_reset only works on the primary screen */	977	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
863	if (R->old_height) /* this is not the first time through */	978	//scr_touch (false);
864	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
865	rxvt_scr_reset(aR);
866	if (curr_screen >= 0) { /* this is not the first time through */
867	rxvt_scr_change_screen(aR_ curr_screen);
868	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
869	}
870	}
871		979
872	R->old_width = R->szHint.width;	980	#ifdef HAVE_BG_PIXMAP
873	R->old_height = R->szHint.height;	981	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		982	// if (bgPixmap.pixmap)
		983	// scr_touch (false);
		984	#endif
874		985
875	#ifdef USE_XIM	986	#ifdef USE_XIM
876	rxvt_IMSetStatusPosition(aR);	987	IMSetPosition ();
877	#endif	988	#endif
878	}	989	}
879		990
880	/*	991	/*
881	* Set the width/height of the vt window in characters. Units are pixels.	992	* Set the width/height of the vt window in characters. Units are pixels.
882	* good for toggling 80/132 columns	993	* good for toggling 80/132 columns
883	*/	994	*/
884	/* EXTPROTO */
885	void	995	void
886	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	996	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
887	{	997	{
888	XWindowAttributes wattr;	998	XWindowAttributes wattr;
889		999
890	if (width == 0 || height == 0) {	1000	if (newwidth == 0 || newheight == 0)
		1001	{
891	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1002	XGetWindowAttributes (dpy, display->root, &wattr);
		1003
892	if (width == 0)	1004	if (newwidth == 0)
893	width = wattr.width - R->szHint.base_width;	1005	newwidth = wattr.width - szHint.base_width;
894	if (height == 0)	1006	if (newheight == 0)
895	height = wattr.height - R->szHint.base_height;	1007	newheight = wattr.height - szHint.base_height;
		1008	}
		1009
		1010	if (newwidth != width || newheight != height)
896	}	1011	{
897	if (width != R->TermWin.width || height != R->TermWin.height) {
898	width += R->szHint.base_width;	1012	newwidth += szHint.base_width;
899	height += R->szHint.base_height;	1013	newheight += szHint.base_height;
900	rxvt_resize_all_windows(aR_ width, height, 0);	1014	resize_all_windows (newwidth, newheight, 0);
901	}	1015	}
902	}	1016	}
903		1017
904	/* -------------------------------------------------------------------- *	1018	/* -------------------------------------------------------------------- *
905	* - X INPUT METHOD ROUTINES - *	1019	* - X INPUT METHOD ROUTINES - *
906	* -------------------------------------------------------------------- */	1020	* -------------------------------------------------------------------- */
907	#ifdef USE_XIM	1021	#ifdef USE_XIM
908	/* INTPROTO */
909	void
910	rxvt_setSize(pR_ XRectangle * size)
911	{
912	size->x = R->TermWin.int_bwidth;
913	size->y = R->TermWin.int_bwidth;
914	size->width = Width2Pixel(R->TermWin.ncol);
915	size->height = Height2Pixel(R->TermWin.nrow);
916	}
917		1022
918	/* INTPROTO */
919	void	1023	void
920	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1024	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
921	{	1025	{
922	*fg = R->PixColors[Color_fg];	1026	fg = pix_colors [Color_fg];
923	*bg = R->PixColors[Color_bg];	1027	bg = pix_colors [Color_bg];
		1028	}
		1029
		1030	void
		1031	rxvt_term::im_set_size (XRectangle &size)
		1032	{
		1033	// the int_bwidth terms make no sense to me
		1034	size.x = int_bwidth;
		1035	size.y = int_bwidth;
		1036	size.width = Width2Pixel (ncol) + int_bwidth;
		1037	size.height = Height2Pixel (nrow) + int_bwidth;
		1038	}
		1039
		1040	void
		1041	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1042	XRectangle &status_rect,
		1043	const XRectangle &needed_rect)
		1044	{
		1045	preedit_rect.x = needed_rect.width;
		1046	preedit_rect.y = 0;
		1047	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1048	preedit_rect.height = fheight;
		1049
		1050	status_rect.x = 0;
		1051	status_rect.y = 0;
		1052	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1053	status_rect.height = fheight;
924	}	1054	}
925		1055
926	/* Checking whether input method is running. */	1056	/* Checking whether input method is running. */
927	/* INTPROTO */
928	Bool	1057	bool
929	rxvt_IMisRunning(pR)	1058	rxvt_term::IMisRunning ()
930	{	1059	{
931	char *p;	1060	char *p;
932	Atom atom;	1061	Atom atom;
933	Window win;	1062	Window win;
934	char server[IMBUFSIZ];	1063	char server[IMBUFSIZ];
935		1064
936	/* get current locale modifier */	1065	/* get current locale modifier */
937	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1066	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1067	{
938	STRCPY(server, "@server=");	1068	strcpy (server, "@server=");
939	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1069	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1070
940	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1071	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
941	*p = '\0';	1072	*p = '\0';
942		1073
943	atom = XInternAtom(R->Xdisplay, server, False);	1074	atom = XInternAtom (dpy, server, False);
944	win = XGetSelectionOwner(R->Xdisplay, atom);	1075	win = XGetSelectionOwner (dpy, atom);
		1076
945	if (win != None)	1077	if (win != None)
946	return True;	1078	return True;
947	}	1079	}
		1080
948	return False;	1081	return False;
949	}	1082	}
950		1083
951	/* EXTPROTO */
952	void	1084	void
953	rxvt_IMSendSpot(pR)	1085	rxvt_term::IMSendSpot ()
954	{	1086	{
955	XPoint spot;	1087	XPoint nspot;
956	XVaNestedList preedit_attr;	1088	XVaNestedList preedit_attr;
957		1089
958	if (R->Input_Context == NULL	1090	if (!Input_Context
959	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1091	|| !focus
960	|| !(R->event_type == KeyPress	1092	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
961	|| R->event_type == Expose
962	|| R->event_type == NoExpose
963	|| R->event_type == SelectionNotify
964	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
965	|| !rxvt_IMisRunning(aR))
966	return;	1093	return;
967		1094
968	rxvt_setPosition(aR_ & spot);	1095	im_set_position (nspot);
969		1096
		1097	if (nspot.x == spot.x && nspot.y == spot.y)
		1098	return;
		1099
		1100	spot = nspot;
		1101
970	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1102	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
971	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1103	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
972	XFree(preedit_attr);	1104	XFree (preedit_attr);
973	}	1105	}
974		1106
975	/* EXTPROTO */
976	void	1107	void
977	rxvt_setTermFontSet(pR_ int idx)	1108	rxvt_term::im_destroy ()
978	{	1109	{
979	char *string;	1110	if (input_method)
980	long length;	1111	{
981	int success = 0;	1112	if (Input_Context && input_method->xim)
		1113	XDestroyIC (Input_Context);
982		1114
983	if (idx < 0 || idx >= MAX_NFONTS)	1115	display->put_xim (input_method);
984	return;	1116	input_method = 0;
985	}	1117	}
986		1118
987	/* INTPROTO */
988	void
989	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
990	XRectangle * needed_rect)
991	{
992	int mbh, vtx = 0;
993
994	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
995	vtx = scrollbar_TotalWidth();
996	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
997	mbh -= R->TermWin.lineSpace;
998
999	preedit_rect->x = needed_rect->width + vtx;
1000	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1001
1002	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1003	+ vtx;
1004	preedit_rect->height = Height2Pixel(1);
1005
1006	status_rect->x = vtx;
1007	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1008
1009	status_rect->width = needed_rect->width ? needed_rect->width
1010	: Width2Pixel(R->TermWin.ncol + 1);
1011	status_rect->height = Height2Pixel(1);
1012	}
1013
1014	/* ARGSUSED */
1015	/* INTPROTO */
1016	void
1017	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1018	__attribute__ ((unused)), XPointer call_data
1019	__attribute__ ((unused)))
1020	{
1021	dR;
1022
1023	R->Input_Context = NULL;	1119	Input_Context = 0;
1024	/* To avoid Segmentation Fault in C locale: Solaris only? */
1025	if (STRCMP(R->locale, "C"))
1026	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1027	rxvt_IMInstantiateCallback, NULL);
1028	}	1120	}
1029		1121
1030	/*	1122	#ifdef ENABLE_XIM_ONTHESPOT
1031	* X manual pages and include files don't match on some systems:
1032	* some think this is an XIDProc and others an XIMProc so we can't
1033	* use the first argument - need to update this to be nice for
1034	* both types via some sort of configure detection
1035	*/
1036	/* ARGSUSED */
1037	/* EXTPROTO */
1038	void
1039	rxvt_IMInstantiateCallback(Display * unused
1040	__attribute__ ((unused)), XPointer client_data
1041	__attribute__ ((unused)), XPointer call_data
1042	__attribute__ ((unused)))
1043	{
1044	dR;
1045	int i, found, had_im;
1046	const char *p;
1047	char **s;
1048	char buf[IMBUFSIZ];
1049		1123
1050	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1124	static void
1051	if (R->Input_Context)	1125	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1052	return;	1126	{
		1127	((rxvt_term *)client_data)->make_current ();
		1128	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1129	}
1053		1130
1054	found = had_im = 0;	1131	static void
1055	p = R->rs[Rs_inputMethod];	1132	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1056	if (p && *p) {	1133	{
1057	had_im = 1;	1134	((rxvt_term *)client_data)->make_current ();
1058	s = rxvt_splitcommastring(p);	1135	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1059	for (i = 0; s[i]; i++) {	1136	}
1060	if (*s[i]) {	1137
1061	STRCPY(buf, "@im=");	1138	static void
1062	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1139	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1063	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1140	{
1064	&& (rxvt_IM_get_IC(aR) == True)) {	1141	rxvt_term *term = (rxvt_term *)client_data;
1065	found = 1;	1142	XIMText *text = call_data->text;
1066	break;	1143
1067	}	1144	term->make_current ();
1068	}	1145
		1146	if (text)
		1147	{
		1148	void *str;
		1149
		1150	if (!text->encoding_is_wchar && text->string.multi_byte)
		1151	{
		1152	// of course, X makes it ugly again
		1153	if (term->rs[Rs_imLocale])
		1154	SET_LOCALE (term->rs[Rs_imLocale]);
		1155
		1156	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1157	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1158
		1159	if (term->rs[Rs_imLocale])
		1160	SET_LOCALE (term->locale);
1069	}	1161	}
1070	for (i = 0; s[i]; i++)	1162	else
1071	free(s[i]);	1163	str = (void *)text->string.wide_char;
1072	free(s);
1073	}
1074	if (found)
1075	return;
1076		1164
1077	/* try with XMODIFIERS env. var. */	1165	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1078	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1166	DT_INT, call_data->caret,
1079	rxvt_IM_get_IC(aR);	1167	DT_INT, call_data->chg_first,
1080	return;	1168	DT_INT, call_data->chg_length,
		1169	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1170	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1171	DT_END));
1081	}	1172	}
1082		1173	else
1083	/* try with no modifiers base IF the user didn't specify an IM */	1174	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1084	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1175	DT_INT, call_data->caret,
1085	&& rxvt_IM_get_IC(aR) == True)	1176	DT_INT, call_data->chg_first,
1086	return;	1177	DT_INT, call_data->chg_length,
		1178	DT_END));
1087	}	1179	}
		1180
		1181	#if 0
		1182	static void
		1183	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1184	{
		1185	((rxvt_term *)client_data)->make_current ();
		1186	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1187	DT_INT, call_data->position,
		1188	DT_INT, call_data->direction,
		1189	DT_INT, call_data->style,
		1190	DT_END));
		1191	}
		1192	#endif
		1193
		1194	#endif
1088		1195
1089	/*	1196	/*
1090	* Try to open a XIM with the current modifiers, then see if we can	1197	* Try to open a XIM with the current modifiers, then see if we can
1091	* open a suitable preedit type	1198	* open a suitable preedit type
1092	*/	1199	*/
1093	/* INTPROTO */
1094	Bool	1200	bool
1095	rxvt_IM_get_IC(pR)	1201	rxvt_term::IM_get_IC (const char *modifiers)
1096	{	1202	{
1097	int i, j, found;	1203	int i, j, found;
1098	XIM xim;	1204	XIM xim;
1099	XPoint spot;	1205	XPoint spot;
1100	XRectangle rect, status_rect, needed_rect;	1206	XRectangle rect, status_rect, needed_rect;
1101	unsigned long fg, bg;	1207	unsigned long fg, bg;
1102	const char *p;	1208	const char *p;
1103	char **s;	1209	char **s;
1104	XIMStyles *xim_styles;	1210	XIMStyles *xim_styles;
1105	XVaNestedList preedit_attr, status_attr;	1211	#ifdef ENABLE_XIM_ONTHESPOT
1106	XIMCallback ximcallback;	1212	XIMCallback xcb[4];
		1213	#endif
1107		1214
1108	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1215	set_environ (envv);
1109	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1216
1110	if (xim == NULL)	1217	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1111	return False;	1218	return false;
1112		1219
		1220	input_method = display->get_xim (locale, modifiers);
		1221	if (input_method == NULL)
		1222	return false;
		1223
		1224	xim = input_method->xim;
		1225	spot.x = spot.y = -1;
		1226
1113	xim_styles = NULL;	1227	xim_styles = NULL;
1114	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1228	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1115	|| !xim_styles || !xim_styles->count_styles) {	1229	|| !xim_styles || !xim_styles->count_styles)
1116	XCloseIM(xim);	1230	{
		1231	im_destroy ();
1117	return False;	1232	return false;
		1233	}
		1234
		1235	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1236
		1237	for (int pi = 0; pi < 2; pi++)
1118	}	1238	{
		1239	p = pet[pi];
1119		1240
1120	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1241	if (!p)
1121	: "OverTheSpot,OffTheSpot,Root";	1242	continue;
		1243
1122	s = rxvt_splitcommastring(p);	1244	s = rxvt_splitcommastring (p);
		1245
1123	for (i = found = 0; !found && s[i]; i++) {	1246	for (i = found = 0; !found && s[i]; i++)
		1247	{
1124	if (!STRCMP(s[i], "OverTheSpot"))	1248	if (!strcmp (s[i], "OverTheSpot"))
1125	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1249	input_style = XIMPreeditPosition | XIMStatusNothing;
1126	else if (!STRCMP(s[i], "OffTheSpot"))	1250	else if (!strcmp (s[i], "OffTheSpot"))
1127	R->input_style = (XIMPreeditArea | XIMStatusArea);	1251	input_style = XIMPreeditArea | XIMStatusArea;
1128	else if (!STRCMP(s[i], "Root"))	1252	else if (!strcmp (s[i], "Root"))
1129	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1253	input_style = XIMPreeditNothing | XIMStatusNothing;
		1254	else if (!strcmp (s[i], "None"))
		1255	input_style = XIMPreeditNone | XIMStatusNone;
		1256	#ifdef ENABLE_XIM_ONTHESPOT
		1257	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1258	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1259	#endif
		1260	else
		1261	input_style = XIMPreeditNothing | XIMStatusNothing;
1130		1262
1131	for (j = 0; j < xim_styles->count_styles; j++)	1263	for (j = 0; j < xim_styles->count_styles; j++)
1132	if (R->input_style == xim_styles->supported_styles[j]) {	1264	if (input_style == xim_styles->supported_styles[j])
		1265	{
		1266	rxvt_freecommastring (s);
		1267
1133	found = 1;	1268	found = 1;
		1269	goto foundpet;
		1270	}
		1271
		1272	}
		1273
		1274	rxvt_freecommastring (s);
		1275	}
		1276
		1277	foundpet:
		1278
		1279	XFree (xim_styles);
		1280
		1281	if (!found)
		1282	{
		1283	im_destroy ();
		1284	return false;
		1285	}
		1286
		1287	XFontSet fs = 0;
		1288	XVaNestedList preedit_attr = 0, status_attr = 0;
		1289
		1290	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1291	{
		1292	// fake us a font-set, please
		1293	char **missing_charset_list;
		1294	int missing_charset_count;
		1295	char *def_string;
		1296	char pat[512];
		1297
		1298	sprintf (pat,
		1299	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1300	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1301	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1302	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1303	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1304	"*",
		1305	fheight,
		1306	fheight + 1, fheight - 1,
		1307	fheight - 2, fheight + 2);
		1308
		1309	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1310	&missing_charset_list, &missing_charset_count, &def_string);
		1311
		1312	if (missing_charset_list)
		1313	XFreeStringList (missing_charset_list);
		1314
		1315	if (!fs)
		1316	{
		1317	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1318	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1319	}
		1320	}
		1321
		1322	if (input_style & XIMPreeditPosition)
		1323	{
		1324	im_set_size (rect);
		1325	im_set_position (spot);
		1326	im_set_color (fg, bg);
		1327
		1328	preedit_attr = XVaCreateNestedList (0,
		1329	XNForeground, fg,
		1330	XNBackground, bg,
		1331	XNArea, &rect,
		1332	XNSpotLocation, &spot,
		1333	XNFontSet, fs,
		1334	NULL);
		1335	}
		1336	else if (input_style & XIMPreeditArea)
		1337	{
		1338	im_set_color (fg, bg);
		1339
		1340	/*
		1341	* The necessary width of preedit area is unknown
		1342	* until create input context.
		1343	*/
		1344	needed_rect.width = 0;
		1345	im_set_preedit_area (rect, status_rect, needed_rect);
		1346
		1347	preedit_attr = XVaCreateNestedList (0,
		1348	XNForeground, fg,
		1349	XNBackground, bg,
		1350	XNArea, &rect,
		1351	XNFontSet, fs,
		1352	NULL);
		1353	status_attr = XVaCreateNestedList (0,
		1354	XNForeground, fg,
		1355	XNBackground, bg,
		1356	XNArea, &status_rect,
		1357	XNFontSet, fs,
		1358	NULL);
		1359	}
		1360	#if ENABLE_XIM_ONTHESPOT
		1361	else if (input_style & XIMPreeditCallbacks)
		1362	{
		1363	im_set_position (spot);
		1364
		1365	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1366	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1367	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1368	# if 0
		1369	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1370	# endif
		1371
		1372	preedit_attr = XVaCreateNestedList (0,
		1373	XNSpotLocation, &spot,
		1374	XNPreeditStartCallback, &xcb[0],
		1375	XNPreeditDoneCallback , &xcb[1],
		1376	XNPreeditDrawCallback , &xcb[2],
		1377	# if 0
		1378	XNPreeditCaretCallback, &xcb[3],
		1379	# endif
		1380	NULL);
		1381	}
		1382	#endif
		1383
		1384	Input_Context = XCreateIC (xim,
		1385	XNInputStyle, input_style,
		1386	XNClientWindow, vt,
		1387	XNFocusWindow, parent[0],
		1388	preedit_attr ? XNPreeditAttributes : NULL,
		1389	preedit_attr,
		1390	status_attr ? XNStatusAttributes : NULL,
		1391	status_attr, NULL);
		1392
		1393	if (preedit_attr) XFree (preedit_attr);
		1394	if (status_attr) XFree (status_attr);
		1395	if (fs) XFreeFontSet (dpy, fs);
		1396
		1397	if (Input_Context == NULL)
		1398	{
		1399	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1400	im_destroy ();
		1401	return false;
		1402	}
		1403
		1404	#if 0
		1405	// unfortunately, only the focus window is used by XIM, hard to fix
		1406	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1407	vt_select_input ();
		1408	#endif
		1409
		1410	IMSetPosition ();
		1411
		1412	return true;
		1413	}
		1414
		1415	void
		1416	rxvt_term::im_cb ()
		1417	{
		1418	int i;
		1419	const char *p;
		1420	char **s;
		1421	char buf[IMBUFSIZ];
		1422
		1423	make_current ();
		1424
		1425	im_destroy ();
		1426
		1427	if (Input_Context)
		1428	return;
		1429
		1430	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1431	if (rs[Rs_imLocale])
		1432	SET_LOCALE (rs[Rs_imLocale]);
		1433	#endif
		1434
		1435	p = rs[Rs_inputMethod];
		1436	if (p && *p)
		1437	{
		1438	bool found = false;
		1439
		1440	s = rxvt_splitcommastring (p);
		1441
		1442	for (i = 0; s[i]; i++)
		1443	{
		1444	if (*s[i])
		1445	{
		1446	strcpy (buf, "@im=");
		1447	strncat (buf, s[i], IMBUFSIZ - 5);
		1448	if (IM_get_IC (buf))
		1449	{
		1450	found = true;
1134	break;	1451	break;
		1452	}
1135	}	1453	}
1136	}	1454	}
1137	for (i = 0; s[i]; i++)
1138	free(s[i]);
1139	free(s);
1140	XFree(xim_styles);
1141		1455
		1456	rxvt_freecommastring (s);
		1457
1142	if (!found) {	1458	if (found)
1143	XCloseIM(xim);	1459	goto done;
1144	return False;
1145	}	1460	}
1146		1461
1147	ximcallback.callback = rxvt_IMDestroyCallback;	1462	/* try with XMODIFIERS env. var. */
		1463	if (IM_get_IC (""))
		1464	goto done;
1148		1465
1149	/* XXX: not sure why we need this (as well as IC one below) */	1466	/* try with no modifiers base IF the user didn't specify an IM */
1150	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1467	if (IM_get_IC ("@im=none"))
		1468	goto done;
1151		1469
1152	preedit_attr = status_attr = NULL;	1470	done:
1153		1471	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1154	if (R->input_style & XIMPreeditPosition) {	1472	if (rs[Rs_imLocale])
1155	rxvt_setSize(aR_ & rect);	1473	SET_LOCALE (locale);
1156	rxvt_setPosition(aR_ & spot);	1474	#endif
1157	rxvt_setColor(aR_ & fg, &bg);
1158
1159	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1160	XNSpotLocation, &spot,
1161	XNForeground, fg, XNBackground, bg,
1162	//XNFontSet, R->TermWin.fontset,
1163	NULL);
1164	} else if (R->input_style & XIMPreeditArea) {
1165	rxvt_setColor(aR_ & fg, &bg);
1166
1167	/*
1168	* The necessary width of preedit area is unknown
1169	* until create input context.
1170	*/
1171	needed_rect.width = 0;
1172
1173	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1174
1175	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1176	XNForeground, fg, XNBackground, bg,
1177	//XNFontSet, R->TermWin.fontset,
1178	NULL);
1179	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1180	XNForeground, fg, XNBackground, bg,
1181	//XNFontSet, R->TermWin.fontset,
1182	NULL);
1183	}
1184	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1185	XNClientWindow, R->TermWin.parent[0],
1186	XNFocusWindow, R->TermWin.parent[0],
1187	XNDestroyCallback, &ximcallback,
1188	preedit_attr ? XNPreeditAttributes : NULL,
1189	preedit_attr,
1190	status_attr ? XNStatusAttributes : NULL,
1191	status_attr, NULL);
1192	if (preedit_attr)
1193	XFree(preedit_attr);
1194	if (status_attr)
1195	XFree(status_attr);
1196	if (R->Input_Context == NULL) {
1197	rxvt_print_error("failed to create input context");
1198	XCloseIM(xim);
1199	return False;
1200	}
1201	if (R->input_style & XIMPreeditArea)
1202	rxvt_IMSetStatusPosition(aR);
1203	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1204	return True;
1205	}	1475	}
1206		1476
1207	/* EXTPROTO */
1208	void	1477	void
1209	rxvt_IMSetStatusPosition(pR)	1478	rxvt_term::IMSetPosition ()
1210	{	1479	{
1211	XRectangle preedit_rect, status_rect, *needed_rect;	1480	XRectangle preedit_rect, status_rect, *needed_rect;
1212	XVaNestedList preedit_attr, status_attr;	1481	XVaNestedList preedit_attr, status_attr;
1213		1482
1214	if (R->Input_Context == NULL	1483	if (!Input_Context
1215	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1484	|| !focus
		1485	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1216	|| !rxvt_IMisRunning(aR))	1486	|| !IMisRunning ())
1217	return;	1487	return;
1218		1488
		1489	if (input_style & XIMPreeditPosition)
		1490	{
		1491	im_set_size (preedit_rect);
		1492	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1493
		1494	XSetICValues (Input_Context,
		1495	XNPreeditAttributes, preedit_attr, NULL);
		1496	}
		1497	else
		1498	{
1219	/* Getting the necessary width of preedit area */	1499	/* Getting the necessary width of preedit area */
1220	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1500	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1221	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1501	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1222	XFree(status_attr);	1502	XFree (status_attr);
1223		1503
1224	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1504	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1505	XFree (needed_rect);
1225		1506
1226	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1507	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1227	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1508	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1228		1509
1229	XSetICValues(R->Input_Context,	1510	XSetICValues (Input_Context,
1230	XNPreeditAttributes, preedit_attr,	1511	XNPreeditAttributes, preedit_attr,
1231	XNStatusAttributes, status_attr, NULL);	1512	XNStatusAttributes, status_attr,
		1513	NULL);
1232		1514
		1515	XFree (status_attr);
		1516	}
		1517
1233	XFree(preedit_attr);	1518	XFree (preedit_attr);
1234	XFree(status_attr);
1235	}	1519	}
1236	#endif /* USE_XIM */	1520	#endif /* USE_XIM */
1237		1521
1238	/*----------------------------------------------------------------------*/	1522	void
1239	rxvt_t rxvt_current_term;	1523	rxvt_term::get_window_origin (int &x, int &y)
		1524	{
		1525	Window cr;
		1526	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1527	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1528	}
		1529
		1530	Pixmap
		1531	rxvt_term::get_pixmap_property (int prop_id)
		1532	{
		1533	if (prop_id > 0 && prop_id < NUM_XA)
		1534	if (xa[prop_id])
		1535	{
		1536	int aformat;
		1537	unsigned long nitems, bytes_after;
		1538	Atom atype;
		1539	unsigned char *prop = NULL;
		1540	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1541	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1542	&nitems, &bytes_after, &prop);
		1543	if (result == Success && prop && atype == XA_PIXMAP)
		1544	return *(Pixmap *)prop;
		1545	}
		1546
		1547	return None;
		1548	}
		1549
		1550	#ifdef HAVE_BG_PIXMAP
		1551	# if TRACE_PIXMAPS
		1552	# undef update_background
		1553	void
		1554	rxvt_term::trace_update_background (const char *file, int line)
		1555	{
		1556	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1557	update_background ();
		1558	}
		1559	# endif
		1560
		1561	void
		1562	rxvt_term::update_background ()
		1563	{
		1564	if (update_background_ev.is_active ())
		1565	return;
		1566
		1567	bgPixmap.invalidate ();
		1568
		1569	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1570
		1571	if (to_wait <= 0.)
		1572	bgPixmap.render ();
		1573	else
		1574	update_background_ev.start (to_wait);
		1575	}
		1576
		1577	void
		1578	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1579	{
		1580	make_current ();
		1581
		1582	update_background_ev.stop ();
		1583	bgPixmap.render ();
		1584	refresh_check ();
		1585	}
		1586
		1587	#endif /* HAVE_BG_PIXMAP */
1240		1588
1241	/*----------------------- end-of-file (C source) -----------------------*/	1589	/*----------------------- end-of-file (C source) -----------------------*/

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