If you want to watch for changes in the preferences, you'll have to derive a class from this one and override the notify() method.
Public Member Functions
|virtual void||notify (Preferences::Entry const &new_val)=0|
|Notification about a preference change. |
|Observer (Glib::ustring const &path)|
|Path which the observer watches. |
|additional data used by the implementation while the observer is active |