/*
 * 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.
 */

/*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);
}