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meta.c revision 1.2 
      1 /*	$NetBSD: meta.c,v 1.2 2000/04/24 14:09:44 blymn Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998-2000 Brett Lymn
      5  *                         (blymn (at) baea.com.au, brett_lymn (at) yahoo.com.au)
      6  * All rights reserved.
      7  *
      8  * This code has been donated to The NetBSD Foundation by the Author.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. The name of the author may not be used to endorse or promote products
     16  *    derived from this software withough specific prior written permission
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  *
     29  *
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 __RCSID("$NetBSD: meta.c,v 1.2 2000/04/24 14:09:44 blymn Exp $");
     35 #endif				/* not lint */
     36 
     37 #include "curses.h"
     38 #include "curses_private.h"
     39 
     40 static int meta_state = FALSE;
     41 
     42 /*
     43  * meta --
     44  *    Turn on or off the terminal meta mode.
     45  */
     46 int
     47 meta(/*ARGSUSED*/ WINDOW *win, bool bf)
     48 {
     49 	if (bf == TRUE) {
     50 		if (MM != NULL) {
     51 #ifdef DEBUG
     52 			__CTRACE("meta: TRUE\n");
     53 #endif
     54 			tputs(MM, 0, __cputchar);
     55 			meta_state = TRUE;
     56 		}
     57 	} else {
     58 		if (MO != NULL) {
     59 #ifdef DEBUG
     60 			__CTRACE("meta: FALSE\n");
     61 #endif
     62 			tputs(MO, 0, __cputchar);
     63 			meta_state = FALSE;
     64 		}
     65 	}
     66 
     67 	return OK;
     68 }
     69 
     70 /*
     71  * __restore_meta_state --
     72  *    Restore old meta state.
     73  */
     74 void
     75 __restore_meta_state(void)
     76 {
     77 	meta(NULL, meta_state);
     78 }
     79 
     80