/** Parent for any class which needs to raise cross-thread signals (from non-UI
* to UI). Subclasses should call, e.g. emit (boost::bind (boost::ref (MySignal), foo, bar));
*/
/** Parent for any class which needs to raise cross-thread signals (from non-UI
* to UI). Subclasses should call, e.g. emit (boost::bind (boost::ref (MySignal), foo, bar));
*/