minix/lib/libcurses/meta.c

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/* $NetBSD: meta.c,v 1.8 2011/08/07 10:52:18 blymn Exp $ */
/*-
* Copyright (c) 1998-2000 Brett Lymn
* (blymn@baea.com.au, brett_lymn@yahoo.com.au)
* All rights reserved.
*
* This code has been donated to The NetBSD Foundation by the Author.
*
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
*
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: meta.c,v 1.8 2011/08/07 10:52:18 blymn Exp $");
#endif /* not lint */
#include "curses.h"
#include "curses_private.h"
/*
* meta --
* Turn on or off the terminal meta mode.
*/
int
meta(/*ARGSUSED*/ WINDOW *win, bool bf)
{
if (bf == TRUE) {
if (meta_on != NULL) {
#ifdef DEBUG
__CTRACE(__CTRACE_MISC, "meta: TRUE\n");
#endif
tputs(meta_on, 0, __cputchar);
_cursesi_screen->meta_state = TRUE;
fflush(_cursesi_screen->outfd);
}
} else {
if (meta_off != NULL) {
#ifdef DEBUG
__CTRACE(__CTRACE_MISC, "meta: FALSE\n");
#endif
tputs(meta_off, 0, __cputchar);
_cursesi_screen->meta_state = FALSE;
fflush(_cursesi_screen->outfd);
}
}
return OK;
}
/*
* __restore_meta_state --
* Restore old meta state.
*/
void
__restore_meta_state(void)
{
meta(NULL, _cursesi_screen->meta_state);
}