public void RegisterEventListener(KeyCode keyCode, GUITextComponentOnEvent listener) {
lock(listeners) {
if (!listeners.ContainsKey(keyCode)) {
listeners[keyCode] = new HashSet<GUITextComponentOnEvent>();
}
HashSet<GUITextComponentOnEvent> keyListeners = listeners[keyCode];
keyListeners.Add(listener);
}
}
public bool UnregisterEventListener(KeyCode keyCode, GUITextComponentOnEvent listener) {
bool removed = false;
lock(listeners) {
if (listeners.ContainsKey(keyCode)) {
removed = listeners[keyCode].Remove(listener);
if (listeners[keyCode].Count == 0) {
listeners.Remove(keyCode);
}
}
}
return removed;
}
