NetBSD/lib/libcurses/getch.c

77 lines
2.6 KiB
C

/*
* Copyright (c) 1981 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
/*static char sccsid[] = "from: @(#)getch.c 5.7 (Berkeley) 8/23/92";*/
static char rcsid[] = "$Id: getch.c,v 1.4 1993/08/07 05:48:52 mycroft Exp $";
#endif /* not lint */
#include <curses.h>
/*
* wgetch --
* Read in a character from the window.
*/
int
wgetch(win)
register WINDOW *win;
{
register int inp, weset;
if (!win->_scroll && (win->_flags & _FULLWIN)
&& win->_curx == win->_maxx - 1 && win->_cury == win->_maxy - 1)
return (ERR);
#ifdef DEBUG
__TRACE("wgetch: __echoit = %d, __rawmode = %d\n",
__echoit, __rawmode);
#endif
if (__echoit && !__rawmode) {
cbreak();
weset = 1;
} else
weset = 0;
inp = getchar();
#ifdef DEBUG
__TRACE("wgetch got '%s'\n", unctrl(inp));
#endif
if (__echoit) {
mvwaddch(curscr,
win->_cury + win->_begy, win->_curx + win->_begx, inp);
waddch(win, inp);
}
if (weset)
nocbreak();
return (inp);
}