NetBSD/lib/libcurses/curs_set.c

92 lines
2.5 KiB
C

/* $NetBSD: curs_set.c,v 1.2 2000/04/23 14:17:32 blymn Exp $ */
/*-
* Copyright (c) 1998-2000 Brett Lymn
* (blymn@baea.com.au, brett_lymn@yahoo.com.au)
* 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 withough 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 "curses.h"
#include "curses_private.h"
static int old_mode = 2; /* cursor is set to high vis on start */
/*
* 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 = old_mode;
switch (visibility) {
case 0: /* invisible */
if (VI != NULL) {
#ifdef DEBUG
__CTRACE("curs_set: invisible\n");
#endif
old_mode = 0;
tputs(VI, 0, __cputchar);
return old_one;
}
break;
case 1: /* normal */
if (VE != NULL) {
#ifdef DEBUG
__CTRACE("curs_set: normal\n");
#endif
old_mode = 1;
tputs(VE, 0, __cputchar);
return old_one;
}
break;
case 2: /* high visibility */
if (VS != NULL) {
#ifdef DEBUG
__CTRACE("curs_set: high vis\n");
#endif
old_mode = 2;
tputs(VS, 0, __cputchar);
return old_one;
}
break;
default:
break;
}
return ERR;
}