protected virtual void Dispose(bool disposing)
{
if (disposing)
{
if (_dynamicRenderEventPublisher != null)
{
_dynamicRenderEventPublisher.Cancel();
_dynamicRenderEventPublisher.Dispose();
_dynamicRenderEventPublisher = null;
}
if (_vtkRenderWindow != null)
{
_vtkRenderWindow.Dispose();
_vtkRenderWindow = null;
}
if (_vtkRenderer != null)
{
_vtkRenderer.Dispose();
_vtkRenderer = null;
}
if (_sceneGraphRoot != null)
{
_sceneGraphRoot.Dispose();
_sceneGraphRoot = null;
}
if (_imageBuffer != null)
{
_imageBuffer.Dispose();
_imageBuffer = null;
}
if (_overlayBuffer != null)
{
_overlayBuffer.Dispose();
_overlayBuffer = null;
}
if (_finalBuffer != null)
{
_finalBuffer.Dispose();
_finalBuffer = null;
}
}
}
public override void Stop()
{
base.Stop();
if (_delaySetFileStoreDirectory != null)
{
_delaySetFileStoreDirectory.Cancel();
_delaySetFileStoreDirectory.Dispose();
_delaySetFileStoreDirectory = null;
}
if (_activityMonitor != null)
{
_activityMonitor.IsConnectedChanged -= ActivityMonitorOnIsConnectedChanged;
_activityMonitor.Dispose();
}
}
/// <summary>
/// Called by the view layer so that the <see cref="PrintTileController"/> can process the <paramref name="message"/>.
/// </summary>
public bool ProcessMessage(object message)
{
// if the user does anything other than mouse tracking, cancel any pending delayed context menu events
if (!(message is TrackMousePositionMessage))
{
// we allow mouse tracking because of the small movement tolerance
_delayedContextMenuRequestPublisher.Cancel();
}
if (message is LostFocusMessage)
{
this.CaptureMouseWheelHandler = null;
return(true);
}
else if (message is KeyboardButtonDownPreview)
{
//Right now, we can't determine what these keystrokes are going to do, so we just release mouse wheel capture.
KeyboardButtonDownPreview preview = message as KeyboardButtonDownPreview;
if (preview.Shortcut.KeyData != XKeys.None)
{
this.CaptureMouseWheelHandler = null;
}
return(false);
}
else if (message is MouseButtonMessage)
{
return(ProcessMouseButtonMessage(message as MouseButtonMessage));
}
else if (message is TrackMousePositionMessage)
{
return(ProcessTrackMessage(message as TrackMousePositionMessage));
}
if (message is MouseWheelMessage)
{
bool returnValue = ProcessMouseWheelMessage(message as MouseWheelMessage);
TrackCurrentPosition();
return(returnValue);
}
if (_tile.PresentationImage != null)
{
if (message is KeyboardButtonMessage)
{
bool returnValue = ProcessKeyboardMessage(message as KeyboardButtonMessage);
TrackCurrentPosition();
return(returnValue);
}
else if (message is ReleaseCaptureMessage)
{
ReleaseCapture(true);
TrackCurrentPosition();
return(true);
}
else if (message is MouseLeaveMessage)
{
_tile.PresentationImage.FocussedGraphic = null;
}
}
else
{
// We should respond to keyboard even when there's no presentation image.
if (message is KeyboardButtonMessage)
{
bool returnValue = ProcessKeyboardMessage(message as KeyboardButtonMessage);
return(returnValue);
}
}
return(false);
}
