uifw/uiklaf/src/lafmnbut.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 15 Mar 2010 12:41:34 +0200
branchRCL_3
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/*
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* Copyright (c) 2000 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:
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*
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*/
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#include "lafmnbut.h"
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/**
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 * Returns ETrue if the menu button should report on a button down event. Otherwise the button
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 * should report on a button up event.
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 *
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 * @since App-Framework_6.1
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 */
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EXPORT_C TBool LafMenuButton::IsReportingOnButtonDown()
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	{
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	return ETrue;
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	}
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/**
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 * Gets the position, aMenuPosition, of the popup menu launched by the button using the rectangle
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 * of the button aButtonRect, the size of the menu aMenuSize and the device screen size
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 * aScreenSize for reference.
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 *
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 * @since App-Framework_6.1
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 */
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EXPORT_C void LafMenuButton::GetMenuPosition(TPoint& aMenuPosition, const TRect& aButtonRect,
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											 const TSize& aMenuSize, const TSize& aScreenSize)
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	{
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	aMenuPosition=aButtonRect.iTl;
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	// try to position popup to right of button, then below, then left and lastly above
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	TSize buttonSize(aButtonRect.Size());
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	if (aMenuPosition.iX+buttonSize.iWidth+aMenuSize.iWidth<=aScreenSize.iWidth)
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		aMenuPosition.iX+=buttonSize.iWidth;
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	else if (aMenuPosition.iY+buttonSize.iHeight+aMenuSize.iHeight<=aScreenSize.iHeight)
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		aMenuPosition.iY+=buttonSize.iHeight;
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	else if (aMenuPosition.iX-aMenuSize.iWidth>=0)
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		aMenuPosition.iX-=aMenuSize.iWidth;
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	else if (aMenuPosition.iY-aMenuSize.iHeight>=0)
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		aMenuPosition.iY-=aMenuSize.iHeight;
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	else
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		{
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		aMenuPosition.iX+=buttonSize.iWidth;
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		aMenuPosition.iY+=buttonSize.iHeight;
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		}
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	}