/// <summary>
/// Stops input handling.
/// </summary>
public void Stop()
{
// Deregister all events
if (m_rendererElement != null)
{
SeeingSharpRendererElement rendererElement = m_rendererElement;
m_rendererElement.Dispatcher.BeginInvoke(new Action(() =>
{
rendererElement.MouseWheel -= OnRendererElement_MouseWheel;
rendererElement.MouseDown -= OnRendererElement_MouseDown;
rendererElement.MouseUp -= OnRendererElement_MouseUp;
rendererElement.MouseMove -= OnRendererElement_MouseMove;
rendererElement.MouseLeave -= OnRendererElement_MouseLeave;
rendererElement.LostFocus -= OnRendererElement_LostFocus;
rendererElement.LostKeyboardFocus -= OnRendererElement_LostKeyboardFocus;
rendererElement.GotFocus -= OnRenderElement_GotFocus;
rendererElement.PreviewMouseUp -= OnRendererElement_PreviewMouseUp;
}));
}
m_rendererElement = null;
m_stateKeyboard = new KeyboardState();
m_stateMouseOrPointer = new MouseOrPointerState();
}
/// <summary>
/// Starts input handling.
/// </summary>
/// <param name="viewObject">The view object (e. g. Direct3D11Canvas).</param>
public void Start(IInputEnabledView viewObject)
{
m_rendererElement = viewObject as SeeingSharpRendererElement;
if (m_rendererElement == null)
{
throw new ArgumentException("Unable to handle given view object!");
}
// Register all events needed for mouse camera dragging
m_rendererElement.Dispatcher.BeginInvoke(new Action(() =>
{
m_rendererElement.MouseWheel += OnRendererElement_MouseWheel;
m_rendererElement.MouseDown += OnRendererElement_MouseDown;
m_rendererElement.MouseUp += OnRendererElement_MouseUp;
m_rendererElement.MouseMove += OnRendererElement_MouseMove;
m_rendererElement.MouseLeave += OnRendererElement_MouseLeave;
m_rendererElement.GotFocus += OnRenderElement_GotFocus;
m_rendererElement.LostFocus += OnRendererElement_LostFocus;
m_rendererElement.LostKeyboardFocus += OnRendererElement_LostKeyboardFocus;
m_rendererElement.PreviewMouseUp += OnRendererElement_PreviewMouseUp;
m_rendererElement.KeyUp += OnRendererElement_KeyUp;
m_rendererElement.KeyDown += OnRendererElement_KeyDown;
}));
}
