Callback vs Future

gtk_callback_vs_future.rs

            act.connect_activate(clone!(@weak self as widget => move |_action, _param| {

                let dlg = gtk::AlertDialog::builder().buttons(["Yes", "No"]).message("hi").build();
                let c = gio::Cancellable::new();
                dlg.choose(Some(widget.obj().as_ref()), Some(&c), |x| {
                    match x {
                        Ok(x) => { wp::info!("got {x}"); },
                        Err(_) => { wp::log::warning!("Err in dlg result"); }
                    }
                });

                // Or using a future:
                // let f = async move {
                //     let dlg = gtk::AlertDialog::builder().buttons(["Yes", "No"]).message("hi").build();
                //     match dlg.choose_future(Some(widget.obj().as_ref())).await {
                //         Ok(x) => { wp::info!("got {x}"); },
                //         Err(_) => { wp::log::warning!("Err in dlg result"); }
                //     }

                // };
                // glib::MainContext::default().spawn_local(f);
            }));

            self.obj().add_action(&act);