MidiScroomer(Gtk::Adjustment&);
~MidiScroomer();
bool on_expose_event(GdkEventExpose*);
void on_size_request(Gtk::Requisition*);
MidiScroomer(Gtk::Adjustment&);
~MidiScroomer();
bool on_expose_event(GdkEventExpose*);
void on_size_request(Gtk::Requisition*);