bool on_scroll_event (GdkEventScroll*);
bool on_motion_notify_event(GdkEventMotion*);
- void render (cairo_t *);
+ void render (cairo_t *, cairo_rectangle_t*);
void on_size_allocate (Gtk::Allocation&);
bool on_query_tooltip (int, int, bool, const Glib::RefPtr<Gtk::Tooltip>&);