101 lines
3.5 KiB
C
101 lines
3.5 KiB
C
/****************************************************************************
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* graphics/nxbe/nxbe_raise.c
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*
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* Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/nx/nxglib.h>
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#include "nxbe.h"
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#include "nxfe.h"
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct nxbe_raise_s
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{
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struct nxbe_clipops_s cops;
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FAR struct nxbe_window_s *wnd;
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};
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxbe_raise
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*
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* Description:
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* Bring the specified window to the top of the display.
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*
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****************************************************************************/
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void nxbe_raise(FAR struct nxbe_window_s *wnd)
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{
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FAR struct nxbe_state_s *be = wnd->be;
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/* If this window is already at the top of the display, then do nothing */
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if (!wnd->above)
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{
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return;
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}
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/* Remove window from the list. Note that there is always
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* some below this window (it may only be the background window)
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*/
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wnd->above->below = wnd->below;
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wnd->below->above = wnd->above;
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/* Then put it back in the list at the top */
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wnd->above = NULL;
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wnd->below = be->topwnd;
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be->topwnd->above = wnd;
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be->topwnd = wnd;
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/* This window is now at the top of the display, we know, therefore, that
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* it is not obscured by another window
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*/
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nxfe_redrawreq(wnd, &wnd->bounds);
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}
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