/*      $NetBSD: meta.c,v 1.11 2024/12/23 02:58:03 blymn Exp $  */

/*-
* Copyright (c) 1998-2000 Brett Lymn
*                         ([email protected], [email protected])
* 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 1.11 2024/12/23 02:58:03 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 (__predict_false(win == NULL))
               return ERR;

       if (bf == TRUE) {
               if (meta_on != NULL) {
                       __CTRACE(__CTRACE_MISC, "meta: TRUE\n");
                       tputs(meta_on, 0, __cputchar);
                       _cursesi_screen->meta_state = TRUE;
                       fflush(_cursesi_screen->outfd);
               }
       } else {
               if (meta_off != NULL) {
                       __CTRACE(__CTRACE_MISC, "meta: FALSE\n");
                       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);
}