freebsd-skq/lib/libcurses/getch.c
bde e2f0a0f35c Import Lite2's src/lib, except for non-i386 machine-dependent directories,
libc/db, libc/gen/crypt.* and libtelnet.  All affected files except 3
unimportant ones have already left the vendor branch.
1997-07-03 03:28:27 +00:00

78 lines
2.6 KiB
C

/*
* Copyright (c) 1981, 1993, 1994
* The 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[] = "@(#)getch.c 8.2 (Berkeley) 5/4/94";
#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->flags & __SCROLLOK) && (win->flags & __FULLWIN)
&& win->curx == win->maxx - 1 && win->cury == win->maxy - 1)
return (ERR);
#ifdef DEBUG
__CTRACE("wgetch: __echoit = %d, __rawmode = %d\n",
__echoit, __rawmode);
#endif
if (__echoit && !__rawmode) {
cbreak();
weset = 1;
} else
weset = 0;
inp = getchar();
if (inp != EOF) {
#ifdef DEBUG
__CTRACE("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);
}