internal override void Synchronize()
{
// Simulate a stylus move (if we are current stylus, inrange, visuals still valid to update
// and has moved).
if (InRange && _inputSource != null && _inputSource.Value != null &&
_inputSource.Value.CompositionTarget != null && !_inputSource.Value.CompositionTarget.IsDisposed)
{
Point rawScreenPoint = new Point(_pointerData.Info.ptPixelLocationRaw.X, _pointerData.Info.ptPixelLocationRaw.Y);
Point ptDevice = PointUtil.ScreenToClient(rawScreenPoint, _inputSource.Value);
// GlobalHitTest always returns an IInputElement, so we are sure to have one.
IInputElement stylusOver = Input.StylusDevice.GlobalHitTest(_inputSource.Value, ptDevice);
bool fOffsetChanged = false;
if (_stylusOver == stylusOver)
{
Point ptOffset = GetPosition(stylusOver);
fOffsetChanged = MS.Internal.DoubleUtil.AreClose(ptOffset.X, _rawElementRelativePosition.X) == false || MS.Internal.DoubleUtil.AreClose(ptOffset.Y, _rawElementRelativePosition.Y) == false;
}
if (fOffsetChanged || _stylusOver != stylusOver)
{
int timeStamp = Environment.TickCount;
if (_currentStylusPoints != null &&
_currentStylusPoints.Count > 0 &&
StylusPointDescription.AreCompatible(PointerTabletDevice.StylusPointDescription, _currentStylusPoints.Description))
{
StylusPoint stylusPoint = _currentStylusPoints[_currentStylusPoints.Count - 1];
int[] data = stylusPoint.GetPacketData();
// get back to the correct coordinate system
Matrix m = _tabletDevice.TabletToScreen;
m.Invert();
Point ptTablet = ptDevice * m;
data[0] = (int)ptTablet.X;
data[1] = (int)ptTablet.Y;
RawStylusInputReport report = new RawStylusInputReport(InputMode.Foreground,
timeStamp,
_inputSource.Value,
InAir ? RawStylusActions.InAirMove : RawStylusActions.Move,
() => { return(PointerTabletDevice.StylusPointDescription); },
TabletDevice.Id,
Id,
data);
report.Synchronized = true;
InputReportEventArgs inputReportEventArgs = new InputReportEventArgs(StylusDevice, report);
inputReportEventArgs.RoutedEvent = InputManager.PreviewInputReportEvent;
InputManager.Current.ProcessInput(inputReportEventArgs);
}
}
}
}
private void HandleInteraction(object clientData, RawStylusSystemGestureInputReport originalReport)
{
RawStylusSystemGestureInputReport report = new RawStylusSystemGestureInputReport(
InputMode.Foreground,
Environment.TickCount,
CriticalActiveSource,
() => { return(PointerTabletDevice.StylusPointDescription); },
TabletDevice.Id,
Id,
originalReport.SystemGesture,
originalReport.GestureX,
originalReport.GestureY,
originalReport.ButtonState)
{
StylusDevice = StylusDevice,
};
// For a flick, update the points in the stylus device to the flick location.
// This forces processing of the stylus over to use the initial flick location
// instead of the last WM_POINTER message location allowing command processing to
// be done on the flick location itself.
if (report.SystemGesture == SystemGesture.Flick)
{
StylusPoint flickPoint = _currentStylusPoints[_currentStylusPoints.Count - 1];
flickPoint.X = report.GestureX;
flickPoint.Y = report.GestureY;
_currentStylusPoints = new StylusPointCollection(flickPoint.Description,
flickPoint.GetPacketData(),
GetTabletToElementTransform(null),
Matrix.Identity);
}
InputReportEventArgs irea = new InputReportEventArgs(StylusDevice, report)
{
RoutedEvent = InputManager.PreviewInputReportEvent,
};
// Now send the input report
InputManager.UnsecureCurrent.ProcessInput(irea);
}
