xref: /netbsd-src/lib/libcurses/keypad.c (revision 6348e3f32a4431b45d07e1da16fd7b12725a45e7)
1*6348e3f3Sblymn /*	$NetBSD: keypad.c,v 1.16 2024/12/23 02:58:03 blymn Exp $  */
2586d4ce1Smrg 
3586d4ce1Smrg /*-
4586d4ce1Smrg  * Copyright (c) 1998-1999 Brett Lymn (blymn@baea.com.au, brett_lymn@yahoo.com)
5586d4ce1Smrg  * All rights reserved.
6586d4ce1Smrg  *
7586d4ce1Smrg  * Redistribution and use in source and binary forms, with or without
8586d4ce1Smrg  * modification, are permitted provided that the following conditions
9586d4ce1Smrg  * are met:
10586d4ce1Smrg  * 1. Redistributions of source code must retain the above copyright
11586d4ce1Smrg  *    notice, this list of conditions and the following disclaimer.
12586d4ce1Smrg  * 2. The name of the author may not be used to endorse or promote products
13c03a48d6Swiz  *    derived from this software without specific prior written permission
14586d4ce1Smrg  *
15586d4ce1Smrg  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16586d4ce1Smrg  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17586d4ce1Smrg  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18586d4ce1Smrg  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19586d4ce1Smrg  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20586d4ce1Smrg  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21586d4ce1Smrg  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22586d4ce1Smrg  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23586d4ce1Smrg  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24586d4ce1Smrg  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25586d4ce1Smrg  *
26586d4ce1Smrg  *
27586d4ce1Smrg  */
28586d4ce1Smrg 
2966cab71cSblymn #include <sys/cdefs.h>
3066cab71cSblymn #ifndef lint
31*6348e3f3Sblymn __RCSID("$NetBSD: keypad.c,v 1.16 2024/12/23 02:58:03 blymn Exp $");
3266cab71cSblymn #endif				/* not lint */
3366cab71cSblymn 
34586d4ce1Smrg #include "curses.h"
3523464ee5Sblymn #include "curses_private.h"
36586d4ce1Smrg 
37586d4ce1Smrg /*
38586d4ce1Smrg  * keypad --
39586d4ce1Smrg  *	Turn on and off interpretation of function/keypad keys in the
40586d4ce1Smrg  *	given window.
41586d4ce1Smrg  */
427ad46619Scube int
43aaf74682Sblymn keypad(WINDOW *win, bool bf)
44586d4ce1Smrg {
451f221324Sjdc 	__CTRACE(__CTRACE_MISC,
461f221324Sjdc 	    "keypad: win %p, %s\n", win, bf ? "TRUE" : "FALSE");
47*6348e3f3Sblymn 	if (__predict_false(win == NULL))
48*6348e3f3Sblymn 		return ERR;
49*6348e3f3Sblymn 
50985e3d49Sjdc 	if (bf) {
51586d4ce1Smrg 		win->flags |= __KEYPAD;
52985e3d49Sjdc 		if (!(curscr->flags & __KEYPAD)) {
5398eb8895Sroy 			tputs(keypad_xmit, 0, __cputchar);
54985e3d49Sjdc 			curscr->flags |= __KEYPAD;
55985e3d49Sjdc 		}
56c1ea940dSjdc 	} else
57586d4ce1Smrg 		win->flags &= ~__KEYPAD;
587ad46619Scube 
597ad46619Scube 	return OK;
60586d4ce1Smrg }
612ab1e31dSroy 
622ab1e31dSroy /*
632ab1e31dSroy  * is_keypad --
642ab1e31dSroy  *	Return true if window is set for keypad.
652ab1e31dSroy  */
662ab1e31dSroy bool
672ab1e31dSroy is_keypad(const WINDOW *win)
682ab1e31dSroy {
69*6348e3f3Sblymn 	if (__predict_false(win == NULL))
70*6348e3f3Sblymn 		return ERR;
71*6348e3f3Sblymn 
722ab1e31dSroy 
732ab1e31dSroy 	return win->flags & __KEYPAD ? true : false;
742ab1e31dSroy }
75