lib/libcurses/keypad.c

   1 /*      $NetBSD: keypad.c,v 1.12 2010/02/03 15:34:40 roy Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1998-1999 Brett Lymn (blymn@baea.com.au, brett_lymn@yahoo.com)
   5  * 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. The name of the author may not be used to endorse or promote products
  13  *    derived from this software without specific prior written permission
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  *
  26  *
  27  */
  28
  29 #include <sys/cdefs.h>
  30 #ifndef lint
  31 __RCSID("$NetBSD: keypad.c,v 1.12 2010/02/03 15:34:40 roy Exp $");
  32 #endif                          /* not lint */
  33
  34 #include "curses.h"
  35 #include "curses_private.h"
  36
  37 /*
  38  * keypad --
  39  *      Turn on and off interpretation of function/keypad keys in the
  40  *      given window.
  41  */
  42 int
  43 keypad(WINDOW *win, bool bf)
  44 {
  45 #ifdef DEBUG
  46         __CTRACE(__CTRACE_MISC,
  47             "keypad: win %p, %s\n", win, bf ? "TRUE" : "FALSE");
  48 #endif
  49         if (bf) {
  50                 win->flags |= __KEYPAD;
  51                 if (!(curscr->flags & __KEYPAD)) {
  52                         tputs (keypad_xmit, 0, __cputchar);
  53                         curscr->flags |= __KEYPAD;
  54                 }
  55         } else
  56                 win->flags &= ~__KEYPAD;
  57
  58         return OK;
  59 }