protected virtual void OnStylusStuff(object sender, StylusEventArgs args)
{
if (Container == null)
{
Container = AssociatedObject;
}
Point pt = args.GetPosition(Container);
if (args.RoutedEvent == UIElement.PreviewStylusUpEvent ||
(args.RoutedEvent == UIElement.PreviewStylusDownEvent && args.Source == null) ||
(args.RoutedEvent == UIElement.PreviewStylusMoveEvent && args.Source == null && args.InAir))
{
MultitouchWindow.RemoveStylusListener(args.StylusDevice, _attachedElement, OnStylusStuff);
ProcessPointUp(args.StylusDevice.Id, pt);
}
else if (args.RoutedEvent == UIElement.PreviewStylusDownEvent)
{
MultitouchWindow.AddStylusListener(args.StylusDevice, _attachedElement, OnStylusStuff);
ProcessPointDown(args.StylusDevice.Id, pt);
}
else if (args.RoutedEvent == UIElement.PreviewStylusMoveEvent)
{
ProcessPointMove(args.StylusDevice.Id, pt);
}
}
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))
{
MultitouchWindow.RemoveStylusListener(args.StylusDevice, _attachedElement, OnStylusStuff);
}
else if (args.RoutedEvent == UIElement.PreviewStylusDownEvent)
{
MultitouchWindow.AddStylusListener(args.StylusDevice, _attachedElement, OnStylusStuff);
_pts[args.StylusDevice.Id] = new FlickData()
{
DownPoint = args.GetPosition(_attachedElement)
};
}
else if (args.RoutedEvent == UIElement.PreviewStylusMoveEvent)
{
if (!_pts.ContainsKey(args.StylusDevice.Id))
{
return;
}
Point current = args.GetPosition(_attachedElement);
FlickData data = _pts[args.StylusDevice.Id];
Vector change = Point.Subtract(current, data.DownPoint);
double delta = change.Length;
if (data.BeginTime == 0 &&
delta > BeginThreshold)
{
data.BeginTime = args.Timestamp;
}
if (data.BeginTime != 0 &&
delta > EndThreshold &&
(args.Timestamp - data.BeginTime) < RequiredFlickSpeed.TotalMilliseconds)
{
MultitouchWindow.RemoveStylusListener(args.StylusDevice, _attachedElement, OnStylusStuff);
_pts.Remove(args.StylusDevice.Id);
FlickEventArgs fargs = new FlickEventArgs(change / delta);
if (Flick != null)
{
Flick(_attachedElement, fargs);
}
if (fargs.AlignedDirection.X != 0 && HorizontalFlick != null)
{
HorizontalFlick(_attachedElement, fargs);
}
if (fargs.AlignedDirection.Y != 0 && VerticalFlick != null)
{
VerticalFlick(_attachedElement, fargs);
}
}
}
}
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)));
}
}
private void OnStylusStuff(object sender, StylusEventArgs args)
{
if (args.RoutedEvent == UIElement.StylusUpEvent ||
(args.RoutedEvent == UIElement.StylusDownEvent && args.Source == null) ||
(args.RoutedEvent == UIElement.StylusMoveEvent && args.Source == null && args.InAir))
{
MultitouchWindow.RemoveStylusListener(args.StylusDevice, _attachedElement, OnStylusStuff);
if (!_downpoint.ContainsKey(args.StylusDevice.Id))
{
return;
}
//if (args.OriginalSource != _attachedElement) return;
args.Handled = true;
Point current = args.GetPosition(args.Device.ActiveSource.RootVisual as IInputElement);
Vector jitter = Point.Subtract(current, _downpoint[args.StylusDevice.Id]);
if (jitter.Length < Threshold)
{
if (Tap != null)
{
Tap.Invoke(_attachedElement, new TapEventArgs(args.StylusDevice, jitter));
}
if (_button != null)
{
_button.SetValue(TapBehavior.IsPressedProperty, true);
_button.RaiseEvent(new RoutedEventArgs(ButtonBase.ClickEvent));
ExecuteCommandSource(_button);
}
if ((args.Timestamp - _lasttap) < DoubleTapDelay.TotalMilliseconds && DoubleTap != null)
{
DoubleTap.Invoke(_attachedElement, new TapEventArgs(args.StylusDevice, jitter));
}
if (_attachedElement is Control)
{
((Control)_attachedElement).RaiseEvent(
new MouseButtonEventArgs(Mouse.PrimaryDevice, args.Timestamp,
MouseButton.Left, args.StylusDevice)
{
RoutedEvent = Control.MouseDoubleClickEvent
});
}
_lasttap = args.Timestamp;
}
}
else if (args.RoutedEvent == UIElement.StylusDownEvent)
{
MultitouchWindow.AddStylusListener(args.StylusDevice, _attachedElement, OnStylusStuff);
_downpoint[args.StylusDevice.Id] = args.GetPosition(args.Device.ActiveSource.RootVisual as IInputElement);
if (_button != null)
{
_button.SetValue(TapBehavior.IsPressedProperty, true);
}
}
else if (args.RoutedEvent == UIElement.StylusMoveEvent)
{
if (!_downpoint.ContainsKey(args.StylusDevice.Id))
{
return;
}
Point current = args.GetPosition(args.Device.ActiveSource.RootVisual as IInputElement);
if (Point.Subtract(current, _downpoint[args.StylusDevice.Id]).Length > Threshold)
{
_downpoint.Remove(args.StylusDevice.Id);
if (_button != null)
{
_button.SetValue(TapBehavior.IsPressedProperty, false);
}
}
}
}
