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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include <vcl/window.hxx>
#include <vcl/virdev.hxx>
#include <vcl/clipmgr.hxx>
#include <sal/types.h>
#include <salobj.hxx>
#include <window.h>
void Window::InitClipRegion()
{
DBG_TESTSOLARMUTEX();
ClipManager *pClipMgr = ClipManager::GetInstance();
pClipMgr->Init( this );
}
void Window::SetParentClipMode( sal_uInt16 nMode )
{
ClipManager *pClipMgr = ClipManager::GetInstance();
pClipMgr->SetParentClipMode( this, nMode );
}
sal_uInt16 Window::GetParentClipMode() const
{
ClipManager *pClipMgr = ClipManager::GetInstance();
return pClipMgr->GetParentClipMode( const_cast<Window*>(this) );
}
Region Window::GetActiveClipRegion() const
{
ClipManager *pClipMgr = ClipManager::GetInstance();
return pClipMgr->GetActiveClipRegion( this );
}
void Window::ClipToPaintRegion(Rectangle& rDstRect)
{
const Region aPaintRgn(GetPaintRegion());
if (!aPaintRgn.IsNull())
rDstRect.Intersection(LogicToPixel(aPaintRgn.GetBoundRect()));
}
bool Window::ImplIsWindowInFront( const Window* pTestWindow ) const
{
// check for overlapping window
pTestWindow = pTestWindow->ImplGetFirstOverlapWindow();
const Window* pTempWindow = pTestWindow;
const Window* pThisWindow = ImplGetFirstOverlapWindow();
if ( pTempWindow == pThisWindow )
return false;
do
{
if ( pTempWindow == pThisWindow )
return true;
if ( pTempWindow->mpWindowImpl->mbFrame )
break;
pTempWindow = pTempWindow->mpWindowImpl->mpOverlapWindow;
}
while ( pTempWindow );
pTempWindow = pThisWindow;
do
{
if ( pTempWindow == pTestWindow )
return false;
if ( pTempWindow->mpWindowImpl->mbFrame )
break;
pTempWindow = pTempWindow->mpWindowImpl->mpOverlapWindow;
}
while ( pTempWindow );
// move window to same level
if ( pThisWindow->mpWindowImpl->mpOverlapWindow != pTestWindow->mpWindowImpl->mpOverlapWindow )
{
sal_uInt16 nThisLevel = 0;
sal_uInt16 nTestLevel = 0;
pTempWindow = pThisWindow;
do
{
nThisLevel++;
pTempWindow = pTempWindow->mpWindowImpl->mpOverlapWindow;
}
while ( !pTempWindow->mpWindowImpl->mbFrame );
pTempWindow = pTestWindow;
do
{
nTestLevel++;
pTempWindow = pTempWindow->mpWindowImpl->mpOverlapWindow;
}
while ( !pTempWindow->mpWindowImpl->mbFrame );
if ( nThisLevel < nTestLevel )
{
do
{
if ( pTestWindow->mpWindowImpl->mpOverlapWindow == pThisWindow->mpWindowImpl->mpOverlapWindow )
break;
if ( pTestWindow->mpWindowImpl->mbFrame )
break;
pTestWindow = pTestWindow->mpWindowImpl->mpOverlapWindow;
}
while ( pTestWindow );
}
else
{
do
{
if ( pThisWindow->mpWindowImpl->mpOverlapWindow == pTempWindow->mpWindowImpl->mpOverlapWindow )
break;
if ( pThisWindow->mpWindowImpl->mbFrame )
break;
pThisWindow = pThisWindow->mpWindowImpl->mpOverlapWindow;
}
while ( pThisWindow );
}
}
// if TestWindow is before ThisWindow, it is in front
pTempWindow = pTestWindow;
while ( pTempWindow )
{
if ( pTempWindow == pThisWindow )
return true;
pTempWindow = pTempWindow->mpWindowImpl->mpNext;
}
return false;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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