20 #include <gtkmm/window.h>
28 , _visibility (GdkVisibilityState (0))
30 _window.add_events (Gdk::VISIBILITY_NOTIFY_MASK);
GdkVisibilityState _visibility
VisibilityTracker(Gtk::Window &)
bool fully_visible() const
bool handle_visibility_notify_event(GdkEventVisibility *)
bool partially_visible() const