private void CreateDefaultSettings()
{
Sensor = new Sensors.Settings();
Filter = new Filters.Settings();
MouseEmulation = new MouseEmulationSettings();
Logging = new LoggingSettings();
}
private GazePointer(Window window, GazeClickParameters clickParameters, GetGazeClickParameters getGazeClickParameters,
Settings settings, bool forceMouseCursor)
{
// TODO: Addition of loggingSettings with default as parameter WILL have introduced logging configuration bug.
_settings = settings;
_sensorSettings = settings.Sensor;
_filterSettings = settings.Filter;
_loggingSettings = settings.Logging;
_forceMouseCursor = forceMouseCursor;
if (_sensorSettings.Sensor == Sensors.Sensors.Mouse)
{
_filterSettings.ActiveFilter = FilterType.NullFilter;
}
_settings.PropertyChanged += (o, args) => _window.Dispatcher.BeginInvoke(new GazePointerDelegate(UpdateCursorStyle));
_filterSettings.PropertyChanged += (o, args) => _logFilter.Settings = _filterSettings;
_window = window;
_windowClosed = false;
_defaultClickParams = clickParameters;
_getGazeClickParams = getGazeClickParameters;
FindMainWindow();
window.LocationChanged += OnWindowLocationOrSizeChanged;
window.SizeChanged += OnWindowLocationOrSizeChanged;
window.Closed += OnWindowClosed;
UpdateCursorStyle();
var source = PresentationSource.FromVisual(window);
_transform = source.CompositionTarget.TransformFromDevice;
_reverseTransform = source.CompositionTarget.TransformToDevice;
//
// By the time we get here, the window may already be positioned correctly and
// may receive no further location/size changed events. If that doesn't happen
// _topLeft and _bottomRight don't get initialized correctly.
// So force a call here
//
OnWindowLocationOrSizeChanged(window, null);
if (source == null)
{
throw new NullReferenceException("Window does not contain a PresentationSource, may not be properly initialized");
}
if (source.CompositionTarget == null)
{
throw new NullReferenceException("Window Source does not contain a CompositionTarget, may not be properly initialized");
}
OriginalSignal = new GazeStats();
FilteredSignal = new GazeStats();
_xyFilter = InitializeFilter();
_gazeHistory = new List <GazeHistoryItem>();
_hitTargetTimes = new Dictionary <FrameworkElement, int>();
_hitTarget = _offScreenElement;
_gazeDataProvider.GazeEvent += OnGazeData;
_idleDetector.GoneIdle += OnEyeGazeGoneIdle;
}
