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

75 lines
2.4 KiB
C

/****************************************************************************
* libs/libnx/nxmu/nx_setsize.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 <errno.h>
#include <debug.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxbe.h>
#include <nuttx/nx/nxmu.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nx_setsize
*
* Description:
* Set the size of the selected window
*
* Input Parameters:
* hwnd - The window handle
* size - The new size of the window.
*
* Returned Value:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
int nx_setsize(NXWINDOW hwnd, FAR const struct nxgl_size_s *size)
{
FAR struct nxbe_window_s *wnd = (FAR struct nxbe_window_s *)hwnd;
struct nxsvrmsg_setsize_s outmsg;
#ifdef CONFIG_DEBUG_FEATURES
if (wnd == NULL || size == NULL || size->w < 0 || size->h < 0)
{
set_errno(EINVAL);
return ERROR;
}
#endif
/* Then inform the server of the changed position */
outmsg.msgid = NX_SVRMSG_SETSIZE;
outmsg.wnd = wnd;
outmsg.size.w = size->w;
outmsg.size.h = size->h;
return nxmu_sendwindow(wnd, &outmsg, sizeof(struct nxsvrmsg_setsize_s));
}