incubator-nuttx/libs/libnx/nxmu/nx_setvisibility.c

71 lines
2.5 KiB
C

/****************************************************************************
* libs/libnx/nxmu/nx_setvisibility.c
*
* SPDX-License-Identifier: Apache-2.0
*
* 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 <errno.h>
#include <debug.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxbe.h>
#include <nuttx/nx/nxmu.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nx_setvisibility
*
* Description:
* Select if the window is visible or hidden. A hidden window is still
* present and will update normally, but will not be visible on the
* display until it is unhidden.
*
* Input Parameters:
* hwnd - The window to be modified
* hide - True: Window will be hidden; false: Window will be visible
*
* Returned Value:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
int nx_setvisibility(NXWINDOW hwnd, bool hide)
{
FAR struct nxbe_window_s *wnd = (FAR struct nxbe_window_s *)hwnd;
struct nxsvrmsg_setvisibility_s outmsg;
/* Send the MODAL message */
outmsg.msgid = NX_SVRMSG_SETVISIBILITY;
outmsg.wnd = wnd;
outmsg.hide = hide;
return nxmu_sendwindow(wnd, &outmsg,
sizeof(struct nxsvrmsg_setvisibility_s));
}