virtual void addTextListenerFront(ITextListener *listener)=0
Adds a listener to the front of the listener deque Listener will be notified via the corresponding ev...
virtual ~ITextController()
Controller provides a way to receive events from the system Using this interface, clients can subscri...
virtual void addTextListener(ITextListener *listener)=0
Adds a listener to the back of the listener deque Listener will be notified via the corresponding eve...
virtual void removeTextListener(ITextListener *listener)=0
Removes an added listener from the controller.