Receives callbacks when a Value object changes. More...
Inherited by Button, ComboBox, and Label [private].
Public Member Functions | |
| Listener () | |
| virtual | ~Listener () |
| virtual void | valueChanged (Value &value)=0 |
| Called when a Value object is changed. | |
Receives callbacks when a Value object changes.
| virtual Value::Listener::~Listener | ( | ) | [virtual] |
| virtual void Value::Listener::valueChanged | ( | Value & | value | ) | [pure virtual] |
Called when a Value object is changed.
Note that the Value object passed as a parameter may not be exactly the same object that you registered the listener with - it might be a copy that refers to the same underlying ValueSource. To find out, you can call Value::refersToSameSourceAs().