author | hgs |
Thu, 14 Oct 2010 18:35:08 +0300 | |
changeset 60 | 5dafecb0892a |
parent 0 | 15bf7259bb7c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Viewport visual. |
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* |
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*/ |
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#include "uiacceltk/huiviewportlayout.h" // Class definition |
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#include <uiacceltk/HuiControl.h> |
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#include <uiacceltk/HuiUtil.h> |
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EXPORT_C CHuiViewportLayout* CHuiViewportLayout::AddNewL(CHuiControl& aOwnerControl, CHuiLayout* aParentLayout) |
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{ |
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CHuiViewportLayout* layout = new (ELeave) CHuiViewportLayout(aOwnerControl); |
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CleanupStack::PushL(layout); |
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layout->ConstructL(); |
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aOwnerControl.AppendL(layout, aParentLayout); |
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CleanupStack::Pop(layout); |
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return layout; |
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} |
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CHuiViewportLayout::CHuiViewportLayout(MHuiVisualOwner& aOwner) |
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: CHuiLayout(aOwner) |
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{ |
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iVirtualSize = THuiRealSize(1.0f, 1.0f); |
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iViewportSize = THuiRealSize(1.0f, 1.0f); |
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iViewportPos = THuiRealPoint(0.0f, 0.0f); |
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iWrappingFlags = 0; |
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} |
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void CHuiViewportLayout::ConstructL() |
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{ |
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CHuiLayout::ConstructL(); |
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SetClipping(ETrue); |
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} |
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CHuiViewportLayout::~CHuiViewportLayout() |
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{ |
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} |
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EXPORT_C void CHuiViewportLayout::SetVirtualSize(const THuiRealSize& aSize, TInt aTransitionTime) |
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{ |
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if ( !HuiUtil::RealCompare( iVirtualSize.iHeight, aSize.iHeight ) || |
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!HuiUtil::RealCompare( iVirtualSize.iWidth, aSize.iWidth ) ) |
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{ |
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iVirtualSize = aSize; |
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UpdateChildrenLayout(aTransitionTime); |
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SetChanged(); |
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} |
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} |
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EXPORT_C void CHuiViewportLayout::SetViewportSize(const THuiRealSize& aSize, TInt aTransitionTime) |
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{ |
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// Divide by zero will be caught later. |
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if ( !HuiUtil::RealCompare( iViewportSize.iHeight, aSize.iHeight ) || |
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!HuiUtil::RealCompare( iViewportSize.iWidth, aSize.iWidth ) ) |
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{ |
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iViewportSize = aSize; |
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UpdateChildrenLayout(aTransitionTime); |
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SetChanged(); |
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} |
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} |
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EXPORT_C void CHuiViewportLayout::SetViewportPos(const THuiRealPoint& aPos, TInt aTransitionTime) |
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{ |
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if ( !HuiUtil::RealCompare( iViewportPos.iY, aPos.iY ) || |
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!HuiUtil::RealCompare( iViewportPos.iX, aPos.iX ) ) |
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{ |
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iViewportPos = aPos; |
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UpdateChildrenLayout(aTransitionTime); |
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SetChanged(); |
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} |
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} |
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void CHuiViewportLayout::SetSize(const THuiRealSize& aSize, TInt aTransitionTime) |
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{ |
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CHuiLayout::SetSize(aSize, aTransitionTime); |
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UpdateChildrenLayout(aTransitionTime); |
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} |
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TBool CHuiViewportLayout::ChildSize(TInt /*aOrdinal*/, TSize& aSize) |
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{ |
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THuiRealSize mysize = Size().Target().AsSize(); |
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if ((iViewportSize.iWidth == 0.0) || (iViewportSize.iHeight == 0.0)) |
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{ |
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// Could not obtain new size because of divide by zero error. |
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return EFalse; |
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} |
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|
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aSize.iWidth = HUI_ROUND_FLOAT_TO_INT((iVirtualSize.iWidth / iViewportSize.iWidth) * mysize.iWidth); |
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aSize.iHeight = HUI_ROUND_FLOAT_TO_INT((iVirtualSize.iHeight / iViewportSize.iHeight) * mysize.iHeight); |
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|
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return ETrue; |
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} |
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|
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|
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TBool CHuiViewportLayout::ChildPos(TInt /*aOrdinal*/, TPoint& aPos) |
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{ |
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THuiRealSize mysize = Size().RealTarget().AsSize(); |
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if ((iViewportSize.iWidth == 0.0) || (iViewportSize.iHeight == 0.0)) |
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{ |
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// Could not obtain new size because of divide by zero error. |
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return EFalse; |
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} |
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aPos.iX = HUI_ROUND_FLOAT_TO_INT( -iViewportPos.iX * mysize.iWidth / iViewportSize.iWidth ); |
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aPos.iY = HUI_ROUND_FLOAT_TO_INT( -iViewportPos.iY * mysize.iHeight / iViewportSize.iHeight ); |
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|
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return ETrue; |
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} |
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|
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EXPORT_C TInt CHuiViewportLayout::ChildRect(TInt /*aOrdinal*/, THuiRealRect& /*aPos*/) |
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{ |
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return THuiLayoutChildRectNotImplemented; |
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} |