private void EyetrackerFound(object sender, EyeTrackerInfoEventArgs e)
{
// When an eyetracker is found on the network we set tracker
tracker = e.EyeTrackerInfo;
ConnectToTracker(tracker);
start();
}
private void _trackButton_Click(object sender, RoutedEventArgs e)
{
if (_tracking)
{
_tracker.GazeDataReceived -= _tracker_GazeDataReceived;
_tracker.StopTracking();
_tracker.Dispose();
_trackButton.Content = "Track";
_tracking = false;
}
else
{
EyeTrackerInfo etInfo = _trackerCombo.SelectedItem as EyeTrackerInfo;
if (etInfo != null)
{
_tracker = etInfo.Factory.CreateEyeTracker();
UpdateTrackBox();
UpdateScreen();
_tracker.StartTracking();
_tracker.GazeDataReceived += _tracker_GazeDataReceived;
_tracker.TrackBoxChanged += _tracker_TrackBoxChanged;
_tracker.XConfigurationChanged += _tracker_XConfigurationChanged;
_trackButton.Content = "Stop";
_tracking = true;
}
}
}
public void StartTracking(EyeTrackerInfo eyeTrackerInfo)
{
EyeTracker = eyeTrackerInfo.Factory.CreateEyeTracker();
EyeTracker.StartTracking();
EyeTracker.GazeDataReceived += _tracker_GazeDataReceived;
IsTracking = true;
}
private void ConnectToTracker(EyeTrackerInfo info)
{
try
{
_connectedTracker = info.Factory.CreateEyeTracker();
_connectedTracker.ConnectionError += HandleConnectionError;
_connectionName = info.ProductId;
_syncManager = info.Factory.CreateSyncManager(_clock);
_connectedTracker.GazeDataReceived += _connectedTracker_GazeDataReceived;
}
catch (EyeTrackerException ee)
{
if (ee.ErrorCode == 0x20000402)
{
MessageBox.Show("Failed to upgrade protocol. " +
"This probably means that the firmware needs" +
" to be upgraded to a version that supports the new sdk.", "Upgrade Failed", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
else
{
MessageBox.Show("Eyetracker responded with error " + ee, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
DisconnectTracker();
}
catch (Exception)
{
MessageBox.Show("Could not connect to eyetracker.", "Connection Failed", MessageBoxButtons.OK, MessageBoxIcon.Error);
DisconnectTracker();
}
}
private void connectButton_Click(object sender, RoutedEventArgs e)
{
if (eyeTrackerSelect.SelectedItem != null)
{
EyeTrackerInfo info = eyeTrackerSelect.SelectedItem as EyeTrackerInfo;
tracker = info.Factory.CreateEyeTracker(EventThreadingOptions.BackgroundThread);
tracker.RealTimeGazeData = true;
tracker.GazeDataReceived += new EventHandler <GazeDataEventArgs>(tracker_GazeDataReceived);
calibrateButton.IsEnabled = true;
startButton.IsEnabled = true;
}
}
private void _connectButton_Click(object sender, EventArgs e)
{
// Disconnect existing connection
DisconnectTracker();
// Create new connection
var selectedItem = GetSelectedItem();
if (selectedItem != null)
{
_info = (EyeTrackerInfo)selectedItem.Tag;
ConnectToTracker(_info);
}
UpdateUIElements();
}
private static ListViewItem CreateTrackerListViewItem(EyeTrackerInfo info)
{
var trackerItem = new ListViewItem(info.ProductId);
trackerItem.Name = info.ProductId;
var sb = new StringBuilder();
sb.AppendLine("Model: " + info.Model);
sb.AppendLine("Status: " + info.Status);
sb.AppendLine("Generation: " + info.Generation);
sb.AppendLine("Product Id: " + info.ProductId);
sb.AppendLine("Given Name: " + info.GivenName);
sb.AppendLine("Firmware Version: " + info.Version);
trackerItem.ToolTipText = sb.ToString();
trackerItem.Tag = info;
return trackerItem;
}
private static ListViewItem CreateTrackerListViewItem(EyeTrackerInfo info)
{
var trackerItem = new ListViewItem(info.ProductId);
trackerItem.Name = info.ProductId;
var sb = new StringBuilder();
sb.AppendLine("Model: " + info.Model);
sb.AppendLine("Status: " + info.Status);
sb.AppendLine("Generation: " + info.Generation);
sb.AppendLine("Product Id: " + info.ProductId);
sb.AppendLine("Given Name: " + info.GivenName);
sb.AppendLine("Firmware Version: " + info.Version);
trackerItem.ToolTipText = sb.ToString();
trackerItem.Tag = info;
return(trackerItem);
}
void browser_EyeTrackerFound(object sender, EyeTrackerInfoEventArgs e)
{
EyeTrackerInfo temp_etinfo = e.EyeTrackerInfo;
if (temp_etinfo.Status == "ok")
{
etid = temp_etinfo.ProductId;
et = e.EyeTrackerInfo.Factory.CreateEyeTracker(EventThreadingOptions.BackgroundThread);
//Setup event handlers for this tracker.
et.CalibrationStarted += et_CalibrationStarted;
et.CalibrationStopped += et_CalibrationStopped;
et.ConnectionError += et_ConnectionError;
et.GazeDataReceived += et_GazeDataRecieved;
if (enabled)
{
et.StartTracking();
}
}
}
private void ConnectToTracker(EyeTrackerInfo info)
{
try
{
_connectedTracker = info.Factory.CreateEyeTracker();
_connectedTracker.ConnectionError += HandleConnectionError;
_connectionName = info.ProductId;
_syncManager = info.Factory.CreateSyncManager(_clock);
_connectedTracker.GazeDataReceived += _connectedTracker_GazeDataReceived;
_connectedTracker.FrameRateChanged += _connectedTracker_FrameRateChanged;
}
catch (EyeTrackerException ee)
{
if(ee.ErrorCode == 0x20000402)
{
MessageBox.Show("Failed to upgrade protocol. " +
"This probably means that the firmware needs" +
" to be upgraded to a version that supports the new sdk.","Upgrade Failed",MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
else
{
MessageBox.Show("Eyetracker responded with error " + ee, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
DisconnectTracker();
}
catch(Exception)
{
MessageBox.Show("Could not connect to eyetracker.","Connection Failed",MessageBoxButtons.OK,MessageBoxIcon.Error);
DisconnectTracker();
}
UpdateUIElements();
}
private void _connectButton_Click(object sender, EventArgs e)
{
// Disconnect existing connection
DisconnectTracker();
// Create new connection
var selectedItem = GetSelectedItem();
if(selectedItem != null)
{
_info = (EyeTrackerInfo) selectedItem.Tag;
ConnectToTracker(_info);
}
UpdateUIElements();
}
private void EyetrackerRemoved(object sender, EyeTrackerInfoEventArgs e)
{
// When an eyetracker disappears from the network we unset tracker
tracker = null;
DisconnectTracker();
}
public void StartTracking(EyeTrackerInfo eyeTrackerInfo)
{
EyeTracker = eyeTrackerInfo.Factory.CreateEyeTracker();
EyeTracker.StartTracking();
EyeTracker.GazeDataReceived += _tracker_GazeDataReceived;
IsTracking = true;
}
