px4-firmware/nuttx/graphics/nxmu/nxmu_openwindow.c

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/****************************************************************************
* graphics/nxmu/nxmu_openwindow.c
*
* Copyright (C) 2008-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/nx/nx.h>
#include "nxfe.h"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxmu_openwindow
*
* Description:
* Create a new window.
*
* Input Parameters:
* be - The back-end status structure
* wnd - The pre-allocated window structure to be initialized [IN/OUT]
*
* Return:
* None
*
****************************************************************************/
void nxmu_openwindow(FAR struct nxbe_state_s *be, FAR struct nxbe_window_s *wnd)
{
/* The window structure was allocated in nx_openwindow and all fields have
* been set to zero cb and conn which were initialized on the client side.
* On the server side, we need only initialize a few more the non zero fields
* and insert the new window at the top of the display.
*/
wnd->be = be;
/* Now, insert the new window at the top on the display. topwind is
* never NULL (it may point only at the background window, however)
*/
wnd->above = NULL;
wnd->below = be->topwnd;
be->topwnd->above = wnd;
be->topwnd = wnd;
/* Report the initial size/position of the window to the client */
nxfe_reportposition(wnd);
/* Provide the initial mouse settings to the client */
#ifdef CONFIG_NX_MOUSE
nxmu_mousereport(wnd);
#endif
}