mulwidgets/gesturehelper/src/gesturedefs.h
branchRCL_3
changeset 26 0e9bb658ef58
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mulwidgets/gesturehelper/src/gesturedefs.h	Wed Sep 01 12:23:18 2010 +0100
@@ -0,0 +1,68 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Gesture helper constant definitions
+*
+*/
+
+#ifndef _GESTUREDEFS_H_
+#define _GESTUREDEFS_H
+
+
+namespace GestureHelper
+{
+
+/// time to hold the stylus in the same position to activate holding
+const TInt KHoldDuration = 1000000; // microseconds 
+
+/// time to tap again for the second tap to be a double tap
+const TInt KMaxDoubleTapDuration = 400000; // microseconds 
+
+/// time in which speed becomes zero if user stops stylus movement before
+/// lifting the pointer
+const TInt KSpeedStopTime = 100000; // microseconds
+
+/// tolerance in degrees to either side of an angle, for direction to be the 
+/// same as reference angle
+const TReal KAngleTolerance = 25;
+
+/// Nth pointer event before the latest point
+const TInt KPreviousPointOffset = 3;
+
+/// Tolerance for ignoring small movements, percent of longer screen edge
+const TInt KGestureTolerancePercent = 4; // of 100
+
+/// Tolerance for considering it as pinch gesture for the first time
+const TInt KInitialPinchTolerance = 5; // Pixels
+
+/// Tolerance for considering it as pinch gesture after a pinch is detected
+const TInt KPinchTolerance = 5; // Pixels
+
+/** 
+ * Panic codes 
+ */
+enum TGesturePanic
+    {
+    EGesturePanicIllegalLogic
+    };  
+
+/** Panics the thread */
+inline void Panic( TGesturePanic aReason )
+    {
+     _LIT( KComponentName, "GestureHelper" );
+    User::Panic( KComponentName, aReason );
+    }
+
+} // namespace GestureHelper
+
+#endif // _GESTUREDEFS_H