menucursor.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1997, by Sun Mircrosystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5 */
/*LINTLIBRARY*/
#include <sys/types.h>
#include "private.h"
/* Position the cursor in the user's subwindow. */
void
_position_cursor(MENU *m)
{
int y, x;
WINDOW *us, *uw;
if (Posted(m)) {
/* x and y represent the position in our subwindow */
y = Y(Current(m)) - Top(m);
x = X(Current(m))*(Itemlen(m)+1);
if (ShowMatch(m)) {
if (Pindex(m)) {
x += Pindex(m) + Marklen(m) - 1;
}
}
uw = UW(m);
us = US(m);
(void) wmove(us, y, x);
if (us != uw) {
wcursyncup(us);
wsyncup(us);
/*
* The next statement gets around some aberrant
* behavior in curses. The subwindow is never being
* untouched and this results in the parent window
* being touched every time a syncup is done.
*/
(void) untouchwin(us);
}
}
}
int
pos_menu_cursor(MENU *m)
{
if (!m) {
return (E_BAD_ARGUMENT);
}
if (!Posted(m)) {
return (E_NOT_POSTED);
}
_position_cursor(m);
return (E_OK);
}