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

77 lines
2.8 KiB
C

/****************************************************************************
* libs/libnx/nxtk/nxtk_toolbarbounds.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 <sys/types.h>
#include <assert.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxtk.h>
#include "nxtk.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxtk_toolbarbounds
*
* Description:
* Return a bounding box that contains the toolbar in the coordinates of
* the containing, framed window. For example, the recturned origin
* (rect.pt1) is the offset toolbar in the framed window.
*
* NOTE: This function is unsafe in the case of the multi-user NX server
* where the width of the window may be being changed asynchronously! It
* may return the old size in this case.
*
* Input Parameters:
* hfwnd - The handle returned by nxtk_openwindow
* bounds - User provided location in which to return the bounding box.
*
* Returned Value:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
int nxtk_toolbarbounds(NXTKWINDOW hfwnd, FAR struct nxgl_rect_s *bounds)
{
FAR struct nxtk_framedwindow_s *fwnd =
(FAR struct nxtk_framedwindow_s *)hfwnd;
DEBUGASSERT(hfwnd && bounds);
/* Offset the rectangle by subtracting the current position of the
* window.
*/
nxgl_rectoffset(bounds, &fwnd->tbrect,
-fwnd->wnd.bounds.pt1.x, -fwnd->wnd.bounds.pt1.y);
return OK;
}