/*      $NetBSD: curs_set.c,v 1.12 2021/09/06 07:45:48 rin 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: curs_set.c,v 1.12 2021/09/06 07:45:48 rin Exp $");
#endif                          /* not lint */

#include "curses.h"
#include "curses_private.h"

/*
* curs_set --
*    Set the visibility of the cursor, 0 means invisible, 1 means normal
*    visibility and 2 means high visibility.  Return the previous
*    visibility iff the terminal supports the new visibility otherwise
*    return ERR.
*/
int
curs_set(int visibility)
{
       int old_one;

       old_one = _cursesi_screen->old_mode;
       switch (visibility) {
               case 0: /* invisible */
                       if (cursor_invisible != NULL) {
                               __CTRACE(__CTRACE_MISC,
                                   "curs_set: invisible\n");
                               _cursesi_screen->old_mode = 0;
                               tputs(cursor_invisible, 0, __cputchar);
                               fflush(_cursesi_screen->outfd);
                               return old_one;
                       }
                       break;

               case 1: /* normal */
                       if (cursor_normal != NULL) {
                               __CTRACE(__CTRACE_MISC, "curs_set: normal\n");
                               _cursesi_screen->old_mode = 1;
                               tputs(cursor_normal, 0, __cputchar);
                               fflush(_cursesi_screen->outfd);
                               return old_one;
                       }
                       break;

               case 2: /* high visibility */
                       if (cursor_visible != NULL) {
                               __CTRACE(__CTRACE_MISC, "curs_set: high vis\n");
                               _cursesi_screen->old_mode = 2;
                               tputs(cursor_visible, 0, __cputchar);
                               fflush(_cursesi_screen->outfd);
                               return old_one;
                       }
                       break;

               default:
                       break;
       }

       return ERR;
}

/*
* __restore_cursor_vis --
*     Restore the old cursor visibility.
*/
void
__restore_cursor_vis(void)
{
       curs_set(_cursesi_screen->old_mode);
}