use geo_types::MultiPolygon; use gtk::glib; use gtk::subclass::prelude::*; use std::cell::RefCell; #[derive(Default)] pub struct ExteriorWidget {} #[glib::object_subclass] impl ObjectSubclass for ExteriorWidget { const NAME: &'static str = "ExteriorWidget"; type Type = super::ExteriorWidget; } impl ObjectImpl for ExteriorWidget {}