/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#include <sys/types.h>
#include "curses_inc.h"
#ifdef DEBUG
#include <ctype.h>
#endif /* DEBUG */
/*
* This routine reads in a character from the window.
*
* wgetch MUST return an int, not a char, because it can return
* things like ERR, meta characters, and function keys > 256.
*/
int
wgetch(WINDOW *win)
{
int inp;
bool weset = FALSE;
#ifdef DEBUG
if (outf) {
fprintf(outf, "WGETCH: SP->fl_echoit = %c\n",
SP->fl_echoit ? 'T' : 'F');
fprintf(outf, "_use_keypad %d, kp_state %d\n",
win->_use_keypad, SP->kp_state);
fprintf(outf, "file %x fd %d\n", SP->input_file,
fileno(SP->input_file));
}
#endif /* DEBUG */
if (SP->fl_echoit && cur_term->_fl_rawmode == 0) {
(void) cbreak();
weset++;
}
/* Make sure we are in proper nodelay state and not */
/* in halfdelay state */
if (cur_term->_delay <= 0 && cur_term->_delay != win->_delay)
(void) ttimeout(win->_delay);
if ((win->_flags & (_WINCHANGED | _WINMOVED)) && !(win->_flags &
_ISPAD))
(void) wrefresh(win);
if ((cur_term->_ungotten == 0) && (req_for_input)) {
(void) tputs(req_for_input, 1, _outch);
(void) fflush(SP->term_file);
}
inp = (int)tgetch((int)(win->_use_keypad ? 1 + win->_notimeout : 0));
/* echo the key out to the screen */
if (SP->fl_echoit && (inp < 0200) && (inp >= 0) && !(win->_flags &
_ISPAD))
(void) wechochar(win, (chtype) inp);
/*
* Do nl() mapping. nl() affects both input and output. Since
* we turn off input mapping of CR->NL to not affect input
* virtualization, we do the mapping here in software.
*/
if (inp == '\r' && !SP->fl_nonl)
inp = '\n';
if (weset)
(void) nocbreak();
return (inp);
}