--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mulwidgets/gesturehelper/src/hittest.cpp	Thu Dec 17 08:56:02 2009 +0200
@@ -0,0 +1,84 @@
+/*
+* Copyright (c) 2008-2008 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 helper functions
+*
+*/
+
+
+#include "gestureobserver.h"
+
+// system includes
+#include <alf/alfcontrol.h>
+#include <alf/alflayout.h>
+
+using namespace GestureHelper;
+
+namespace 
+    {
+    /** @return the leaf-most visual that is under aPos */
+    const CAlfVisual* VisualByCoordinates( const CAlfVisual& aRoot, const TPoint& aPos )
+        {
+        // If it has children, chose any of them is hit first
+        const CAlfLayout* layout = dynamic_cast< const CAlfLayout* >( &aRoot );
+        if ( layout)
+            {
+            TInt i = layout->Count();
+            while( --i >= 0 )
+                {
+                if( VisualByCoordinates( layout->Visual( i ), aPos ) )
+                    {
+                    return &layout->Visual( i );
+                    }
+                }
+            }
+            
+        // children were not hit. is this visual hit?
+        if( TRect( aRoot.DisplayRect() ).Contains( aPos ) )
+            {
+            return &aRoot;
+            }
+            
+        // visual was not found
+        return NULL;
+        }
+        
+    TBool IsRootVisual( const CAlfVisual& aVisual )
+        {
+        return !aVisual.Layout();
+        }
+    } // unnamed namespace 
+    
+// ----------------------------------------------------------------------------
+// VisualByCoordinates
+// ----------------------------------------------------------------------------
+//
+EXPORT_C CAlfVisual* HitTest::VisualByCoordinates( const CAlfControl& aControl, 
+        const TPoint& aPos )
+    {
+    TInt i = aControl.VisualCount();
+    while( --i >= 0 )
+        {
+        // Ask only root visuals, since all children are within the root visuals
+        if ( IsRootVisual( aControl.Visual( i ) ) )
+            {
+            const CAlfVisual* hitVisual = ::VisualByCoordinates( 
+                aControl.Visual( i ), aPos );
+            if ( hitVisual )
+                {
+                return const_cast< CAlfVisual* >( hitVisual );
+                }
+            }
+        }
+    return NULL;
+    }