private void OnStylusStuff(object sender, StylusEventArgs args)
{
if (args.RoutedEvent == UIElement.PreviewStylusUpEvent ||
(args.RoutedEvent == UIElement.PreviewStylusDownEvent && args.Source == null) ||
(args.RoutedEvent == UIElement.PreviewStylusMoveEvent && args.Source == null && args.InAir))
{
_pts.Remove(args.StylusDevice.Id);
MultitouchWindow.ClearPhysicalReferenceFrame(args.StylusDevice);
MultitouchWindow.RemoveStylusListener(args.StylusDevice, _attachedElement, OnStylusStuff);
_processor.ProcessUp((uint)args.StylusDevice.Id, ToDrawingPointF(args.GetPosition(_attachedElement)));
}
else if (args.RoutedEvent == UIElement.PreviewStylusDownEvent)
{
System.Windows.Point pt = args.GetPosition(_attachedElement);
_pts.Add(args.StylusDevice.Id, pt);
MultitouchWindow.PushPhysicalReferenceFrame(args.StylusDevice, this);
MultitouchWindow.AddStylusListener(args.StylusDevice, _attachedElement, OnStylusStuff);
_processor.ProcessDown((uint)args.StylusDevice.Id, ToDrawingPointF(pt));
}
else if (args.RoutedEvent == UIElement.PreviewStylusMoveEvent)
{
if (!_pts.ContainsKey(-1))
{
return;
}
//_processor.ProcessMove((uint)args.StylusDevice.Id, ToDrawingPointF(args.GetPosition(_attachedElement)));
}
}
protected override void OnAttached()
{
base.OnAttached();
attachedElement = (ScrollViewer)this.AssociatedObject;
attachedElement.PreviewStylusDown += (s, e) =>
{
MultitouchWindow.SafeCaptureStylus(e.StylusDevice, attachedElement);
_processor.ProcessDown((uint)e.StylusDevice.Id, ToDrawingPointF(e.GetPosition(attachedElement)));
};
attachedElement.PreviewStylusUp += (s, e) =>
{
MultitouchWindow.SafeCaptureStylus(e.StylusDevice, null);
_processor.ProcessUp((uint)e.StylusDevice.Id, ToDrawingPointF(e.GetPosition(attachedElement)));
};
attachedElement.PreviewStylusMove += (s, e) =>
{
_processor.ProcessMove((uint)e.StylusDevice.Id, ToDrawingPointF(e.GetPosition(attachedElement)));
};
attachedElement.PreviewMouseDown += (s, e) =>
{
MultitouchWindow.SafeCaptureMouse(attachedElement);
_processor.ProcessDown((uint)1 << 31, ToDrawingPointF(e.GetPosition(attachedElement)));
};
attachedElement.PreviewMouseUp += (s, e) =>
{
MultitouchWindow.SafeCaptureMouse(null);
_processor.ProcessUp((uint)1 << 31, ToDrawingPointF(e.GetPosition(attachedElement)));
};
attachedElement.PreviewMouseMove += (s, e) =>
{
_processor.ProcessMove((uint)1 << 31, ToDrawingPointF(e.GetPosition(attachedElement)));
};
//Handle the ManipulationDelta and the gestures
_processor.ManipulationDelta += ProcessManipulationDelta;
_processor.PivotRadius = 2;
}
