Symbian3/SDK/Source/GUID-4102F39E-6215-44AD-9E30-6D8E86114D7D.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Thu, 21 Jan 2010 18:18:20 +0000
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept id="GUID-4102F39E-6215-44AD-9E30-6D8E86114D7D" xml:lang="en"><title>Creating
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the long-tap detector</title><prolog><metadata><keywords/></metadata></prolog><conbody>
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<p>To use the long-tap detector in your application, create an instance of
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the class <codeph>CAknLongTapDetector</codeph>.</p>
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<p>You must give the long-tap detector constructor a pointer to the owner;
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otherwise the detector doesn’t know where to report long tap events. </p>
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<p>You cannot set other long-tap detector parameters in the constructor. To
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change these parameters, use the other methods in the API after the detector
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is succesfully constructed. </p>
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<p>You also need to pass any pointer events from the client side component
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to the long-tap detector and enable pointer grab for the control’s window.</p>
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<codeblock xml:space="preserve">void CMyContainer::ConstructL( const TRect&amp; aRect )
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    {
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    iLongTapDetector = CAknLongTapDetector::NewL( this );
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    DrawableWindow()-&gt;SetPointerGrab( ETrue );
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    }
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void CMyContainer::HandlePointerEventL( const TPointerEvent&amp; aEvent )
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    {
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    iLongTapDetector-&gt;PointerEventL( aEvent );
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    }
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</codeblock>
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</conbody></concept>