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      1 /*	$NetBSD: standout.c,v 1.20 2024/12/23 02:58:04 blymn Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1981, 1993, 1994
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 #if 0
     35 static char sccsid[] = "@(#)standout.c	8.3 (Berkeley) 8/10/94";
     36 #else
     37 __RCSID("$NetBSD: standout.c,v 1.20 2024/12/23 02:58:04 blymn Exp $");
     38 #endif
     39 #endif				/* not lint */
     40 
     41 #include "curses.h"
     42 #include "curses_private.h"
     43 
     44 #ifndef _CURSES_USE_MACROS
     45 
     46 /*
     47  * standout --
     48  *	Enter standout mode on stdscr.
     49  */
     50 int
     51 standout(void)
     52 {
     53 
     54 	return wstandout(stdscr);
     55 }
     56 
     57 /*
     58  * standend --
     59  *	Exit standout mode on stdscr.
     60  */
     61 int
     62 standend(void)
     63 {
     64 
     65 	return wstandend(stdscr);
     66 }
     67 
     68 #endif
     69 
     70 /*
     71  * wstandout --
     72  *	Enter standout mode in window win.
     73  */
     74 int
     75 wstandout(WINDOW *win)
     76 {
     77 	if (__predict_false(win == NULL))
     78 		return ERR;
     79 
     80 	const TERMINAL *t = win->screen->term;
     81 
     82 	/*
     83 	 * If standout/standend strings, or can underline, set the
     84 	 * screen standout bit.
     85 	 */
     86 	if ((t_enter_standout_mode(t) != NULL &&
     87 	    t_exit_standout_mode(t) != NULL) ||
     88 	    t_underline_char(t) != NULL)
     89 		win->wattr |= __STANDOUT;
     90 	return 1;
     91 }
     92 
     93 /*
     94  * wstandend --
     95  *	Exit standout mode in window win.
     96  */
     97 int
     98 wstandend(WINDOW *win)
     99 {
    100 	if (__predict_false(win == NULL))
    101 		return ERR;
    102 
    103 	// http://pubs.opengroup.org/onlinepubs/7908799/xcurses/wstandend.html
    104 	win->wattr = __NORMAL;
    105 	return 1;
    106 }
    107