private void onHasGazeChanged(object sender, RoutedEventArgs e)
{
object source = e.Source;
AbstractKey aKey = source as AbstractKey;
if (timer != null && timer.isRunning)
{
// If first initialization or timer is already running
// Stop it and refresh key, because we moving to a new one
// Stopping timer and reseting highlight
timer.Stop();
aKey.resetHighlight();
}
else
{
// If timer is not running
// Just run it
timer = new Timer((int)Application.Current.Resources["Threshold"], 100, true);
timer.OnElapsed += delegate() {
captureKey(source);
aKey.resetHighlight();
};
timer.OnTick += delegate(double ratio) {
aKey.progressHighlight(ratio);
};
timer.Start();
}
// And anyway toggle key
toggleKey(source);
}
// Only use with eye tracking!!!
private void toggleKey(object source)
{
// Basically we switch state for general keys
// And for shift and caps only if they are not already toggled
switch (keyTypes[source.GetType()])
{
case 3:
case 4:
// Shifts
if (!isShiftPressed)
{
leftShift.toggle();
}
break;
case 7:
// Caps
if (!isCapsLockPressed)
{
capsLock.toggle();
}
break;
default:
// All others
AbstractKey key = source as AbstractKey;
key.toggle();
break;
}
}
private void onMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
if (timer != null)
{
timer.Stop();
}
AbstractKey aKey = e.Source as AbstractKey;
aKey.resetHighlight();
}
private void onMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
timer = new Timer((int)Application.Current.Resources["Threshold"], 10, true);
object source = e.Source;
AbstractKey aKey = source as AbstractKey;
timer.OnElapsed += delegate() {
captureKey(source);
aKey.resetHighlight();
};
timer.OnTick += delegate(double ratio) {
aKey.progressHighlight(ratio);
};
timer.Start();
}