incubator-nuttx/libs/libnx/nxtk/nxtk_ishidden.c

59 lines
2.2 KiB
C

/****************************************************************************
* libs/libnx/nxtk/nxtk_ishidden.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxbe.h>
#include <nuttx/nx/nxtk.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxtk_ishidden
*
* Description:
* Return true if the window is hidden.
*
* NOTE: There will be a delay between the time that the visibility of
* the window is changed via nxtk_setvisibily() before that new setting is
* reported by nxtk_ishidden(). nxtk_synch() may be used if temporal
* synchronization is required.
*
* Input Parameters:
* hfwnd - The window to be queried
*
* Returned Value:
* True: the window is hidden, false: the window is visible
*
****************************************************************************/
bool nxtk_ishidden(NXTKWINDOW hfwnd)
{
FAR struct nxbe_window_s *wnd = (FAR struct nxbe_window_s *)hfwnd;
return NXBE_ISHIDDEN(wnd);
}