/// <summary>
/// Invoked when an unhandled MouseUp routed event reaches an element in its route that is derived from this class. Implement this method to add class handling for this event.
/// </summary>
/// <param name="e">The <see cref="T:System.Windows.Input.MouseButtonEventArgs" /> that contains the event data. The event data reports that the mouse button was released.</param>
protected override void OnPointerReleased(PointerReleasedEventArgs e)
{
base.OnPointerReleased(e);
if (e.Handled)
{
return;
}
e.Pointer.Capture(null);
if (e.Pointer.Type == PointerType.Touch)
{
var position = e.GetPosition(this).ToScreenPoint();
var touchEventArgs = new OxyTouchEventArgs()
{
ModifierKeys = e.KeyModifiers.ToModifierKeys(),
Position = position,
DeltaTranslation = new ScreenVector(0, 0),
DeltaScale = new ScreenVector(1, 1),
};
TouchPositions.Remove(e.Pointer.Id);
if (TouchPositions.Count == 0)
{
e.Handled = ActualController.HandleTouchCompleted(this, touchEventArgs);
}
}
else
{
e.Handled = ActualController.HandleMouseUp(this, e.ToMouseReleasedEventArgs(this));
// Open the context menu
var p = e.GetPosition(this).ToScreenPoint();
var d = p.DistanceTo(mouseDownPoint);
if (ContextMenu != null)
{
if (Math.Abs(d) < 1e-8 && e.InitialPressMouseButton == MouseButton.Right)
{
ContextMenu.DataContext = DataContext;
ContextMenu.IsVisible = true;
}
else
{
ContextMenu.IsVisible = false;
}
}
}
}