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/*
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* Copyright (c) 2008 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: Gesture helper constant definitions
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*
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*/
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#ifndef _GESTUREDEFS_H_
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#define _GESTUREDEFS_H
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namespace GestureHelper
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{
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/// time to hold the stylus in the same position to activate holding
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const TInt KHoldDuration = 1000000; // microseconds
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/// time to tap again for the second tap to be a double tap
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const TInt KMaxDoubleTapDuration = 400000; // microseconds
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/// time in which speed becomes zero if user stops stylus movement before
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/// lifting the pointer
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const TInt KSpeedStopTime = 100000; // microseconds
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/// tolerance in degrees to either side of an angle, for direction to be the
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/// same as reference angle
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const TReal KAngleTolerance = 25;
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/// Nth pointer event before the latest point
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const TInt KPreviousPointOffset = 3;
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/// Tolerance for ignoring small movements, percent of longer screen edge
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const TInt KGestureTolerancePercent = 4; // of 100
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/// Tolerance for considering it as pinch gesture for the first time
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const TInt KInitialPinchTolerance = 5; // Pixels
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/// Tolerance for considering it as pinch gesture after a pinch is detected
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const TInt KPinchTolerance = 5; // Pixels
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/**
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* Panic codes
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*/
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enum TGesturePanic
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{
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EGesturePanicIllegalLogic
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};
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/** Panics the thread */
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inline void Panic( TGesturePanic aReason )
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{
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_LIT( KComponentName, "GestureHelper" );
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User::Panic( KComponentName, aReason );
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}
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} // namespace GestureHelper
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#endif // _GESTUREDEFS_H
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