os/graphics/windowing/windowserver/nga/CLIENT/advancedpointerevent.cpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserver/nga/CLIENT/advancedpointerevent.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,121 @@
     1.4 +// Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// TAdvancedPointerEvent encapsulates additional information to that contained in TPointerEvent.
    1.18 +// For multi-touch, pressure and proximity.
    1.19 +// 
    1.20 +//
    1.21 +
    1.22 +#include "W32STD.H"
    1.23 +
    1.24 +
    1.25 +EXPORT_C TInt TAdvancedPointerEvent::DoGetPointerNumber() const
    1.26 +/** Gets the pointer number for the event
    1.27 +  
    1.28 +  @return TInt. The pointer number for the event
    1.29 +  @internalTechnology */
    1.30 +	{
    1.31 +	return iData.multiPos3D.iPointerNumber;
    1.32 +	}
    1.33 +
    1.34 +EXPORT_C TInt TAdvancedPointerEvent::DoGetProximity() const
    1.35 +/** Gets the pointer event proximity
    1.36 +  
    1.37 +  @return TInt.  The pointer event proximity
    1.38 +  @internalTechnology */
    1.39 +	{
    1.40 +	return Min(iData.multiPos3D.iPosZ,EPressureProximityCrossover);
    1.41 +	}
    1.42 +
    1.43 +EXPORT_C TInt TAdvancedPointerEvent::DoGetPressure() const
    1.44 +/** Gets the pointer event pressure
    1.45 +  
    1.46 +  @return TInt.  The pointer event pressure
    1.47 +  @internalTechnology */
    1.48 +	{
    1.49 +	return Max(iData.multiPos3D.iPosZ,EPressureProximityCrossover);
    1.50 +	}
    1.51 +
    1.52 +EXPORT_C TInt TAdvancedPointerEvent::DoGetProximityAndPressure() const
    1.53 +/** Gets the pointer event combined proximity and pressure.
    1.54 +  
    1.55 +  Negative values are proximity, positive values are pressure.
    1.56 +  
    1.57 +  @return TInt.  The pointer event combined proximity and pressure
    1.58 +  @internalTechnology */
    1.59 +	{
    1.60 +	return iData.multiPos3D.iPosZ;
    1.61 +	}
    1.62 +
    1.63 +EXPORT_C TAdvancedPointerEvent::TAdvancedPointerEvent(const TAdvancedPointerEvent& aPointerEvent)
    1.64 +/** Copy Constructor for TAdvancedPointerEvent
    1.65 +  
    1.66 +  @param  const TAdvancedPointerEvent& aPointerEvent.  The event to copy.
    1.67 +  @internalTechnology */
    1.68 +	{
    1.69 +	Copy(aPointerEvent);
    1.70 +	}
    1.71 +
    1.72 +EXPORT_C TAdvancedPointerEvent& TAdvancedPointerEvent::operator=(const TAdvancedPointerEvent& aPointerEvent) // Operator = overload
    1.73 +/** Operator= overload for TAdvancedPointerEvent
    1.74 +  
    1.75 +  @param  const TAdvancedPointerEvent& aPointerEvent.  The event to copy.
    1.76 +  @internalTechnology */
    1.77 +	{
    1.78 +	if(this != &aPointerEvent)
    1.79 +		{
    1.80 +		Copy(aPointerEvent);
    1.81 +		}
    1.82 +	return *this;
    1.83 +	}
    1.84 +
    1.85 +EXPORT_C void TWsEvent::InitAdvancedPointerEvent(TPointerEvent::TType aType, TUint aModifiers, const TPoint3D &aPoint3D, TUint8 aPointerNumber)
    1.86 +/** Initializes TAdvancedPointerEvent contained in this TWsEvent.
    1.87 + @param aType type of TAdvancedPointerEvent
    1.88 + @param aModifiers the state of the modifier keys at the time when the event occured, 
    1.89 +                   defined in TEventModifier
    1.90 + @param aPoint3D x and y coordinates of the pointer plus z coordinate representing proximity of the pointer
    1.91 +                 combined with its pressure, as returned by TAdvancedPointerEvent::PositionAndPressure3D()
    1.92 + @param aPointerNumber pointer number of the pointer whose state change is described by this event
    1.93 + @see TWsEvent::Pointer()
    1.94 + @see TAdvancedPointerEvent::PositionAndPressure3D()
    1.95 + @see TAdvancedPointerEvent::PointerNumber()
    1.96 + @publishedPartner To become publishedAll with WSERV NGA APIs
    1.97 + @prototype To become released with WSERV NGA APIs */
    1.98 +	{
    1.99 +	Pointer()->Init(aType, aModifiers, aPoint3D, aPointerNumber);
   1.100 +	}
   1.101 +
   1.102 +EXPORT_C void TWsEvent::SetPointerNumber(TUint8 aPointerNumber)
   1.103 +/** Changes pointer number of TAdvancedPointerEvent contained in this TWsEvent.
   1.104 + @param aPointerNumber new pointer number to set in TAdvancedPointerEvent contained in this
   1.105 +                       TWsEvent
   1.106 + @see TWsEvent::Pointer()
   1.107 + @see TAdvancedPointerEvent::PointerNumber()
   1.108 + @publishedPartner To become publishedAll with WSERV NGA APIs
   1.109 + @prototype To become released with WSERV NGA APIs */
   1.110 +	{
   1.111 +	Pointer()->SetPointerNumber(aPointerNumber);
   1.112 +	}
   1.113 +
   1.114 +EXPORT_C void TWsEvent::SetPointerZ(TInt aZ)
   1.115 +/** Changes pressure and proximity of TAdvancedPointerEvent contained in this TWsEvent.
   1.116 + @param aZ new pressure and proximity to set, combined the same way as returned
   1.117 +           by TAdvancedPointerEvent::ProximityAndPressure()
   1.118 + @see TWsEvent::Pointer()
   1.119 + @see TAdvancedPointerEvent::ProximityAndPressure()
   1.120 + @publishedPartner To become publishedAll with WSERV NGA APIs
   1.121 + @prototype To become released with WSERV NGA APIs */
   1.122 +	{
   1.123 +	Pointer()->SetPointerZ(aZ);
   1.124 +	}