forked from Archive/PX4-Autopilot
138 lines
4.5 KiB
C
138 lines
4.5 KiB
C
|
/****************************************************************************
|
||
|
|
* graphics/nxbe/nxbe_closewindow.c
|
||
|
|
*
|
||
|
|
* Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved.
|
||
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||
|
|
*
|
||
|
|
* 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 <stdlib.h>
|
||
|
|
#include <assert.h>
|
||
|
|
#include <debug.h>
|
||
|
|
|
||
|
|
#include <nuttx/nx/nxglib.h>
|
||
|
|
#include "nxbe.h"
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Pre-Processor Definitions
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Private Types
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Private Data
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Public Data
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Private Functions
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Public Functions
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Name: nxbe_closewindow
|
||
|
|
*
|
||
|
|
* Description:
|
||
|
|
* Close an existing window
|
||
|
|
*
|
||
|
|
* Input Parameters:
|
||
|
|
* wnd - The window to be closed (and deallocated)
|
||
|
|
*
|
||
|
|
* Return:
|
||
|
|
* None
|
||
|
|
*
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
void nxbe_closewindow(struct nxbe_window_s *wnd)
|
||
|
|
{
|
||
|
|
FAR struct nxbe_state_s *be;
|
||
|
|
|
||
|
|
#ifdef CONFIG_DEBUG
|
||
|
|
if (!wnd)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
be = wnd->be;
|
||
|
|
|
||
|
|
/* The background window should never be closed */
|
||
|
|
|
||
|
|
DEBUGASSERT(wnd != &be->bkgd);
|
||
|
|
|
||
|
|
/* Is there a window above the one being closed? */
|
||
|
|
|
||
|
|
if (wnd->above)
|
||
|
|
{
|
||
|
|
/* Yes, now the window below that one is the window below
|
||
|
|
* the one being closed.
|
||
|
|
*/
|
||
|
|
|
||
|
|
wnd->above->below = wnd->below;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
/* No, then the top window is the one below this (which
|
||
|
|
* can never be NULL because the background window is
|
||
|
|
* always at the true bottom of the list
|
||
|
|
*/
|
||
|
|
|
||
|
|
be->topwnd = wnd->below;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* There is always a window below the one being closed (because
|
||
|
|
* the background is never closed. Now, the window above that
|
||
|
|
* is the window above the one that is being closed.
|
||
|
|
*/
|
||
|
|
|
||
|
|
wnd->below->above = wnd->above;
|
||
|
|
|
||
|
|
/* Redraw the windows that were below us (and may now be exposed) */
|
||
|
|
|
||
|
|
nxbe_redrawbelow(be, wnd->below, &wnd->bounds);
|
||
|
|
|
||
|
|
/* Then discard the window structure */
|
||
|
|
|
||
|
|
free(wnd);
|
||
|
|
}
|