Encapsulate window and its operations in struct

src/main.rs

@@ -8,7 +8,7 @@ use gtk4 :: style_context_add_provider_for_display ;
 use gtk4 :: STYLE_PROVIDER_PRIORITY_APPLICATION ;
 use gtk4 :: gdk :: * ;
 use gtk4 :: glib :: * ;
-use libadwaita :: * ;
+use libadwaita :: Application ;
 use libadwaita :: prelude :: * ;
 
 use crate :: data_manager :: * ;
@@ -39,12 +39,7 @@ fn add_style_provider ( _ : & Application ) {
 }
 
 fn show_window ( application : & Application ) {
-	let window = leak (
+	let window = leak ( Window :: new (application) ) ;
-		ApplicationWindow :: builder ()
-			. application (application)
-			. title ("Zoödex")
-			. build ()
-	) ;
 
 	spawn_future_local ( async move {
 		async_result_context ! (
@@ -57,7 +52,7 @@ fn show_window ( application : & Application ) {
 						data_manager . get_film_details (film_uuid) . await . unwrap ()
 					} ) ,
 				) ;
-				window . set_visible (true) ;
+				window . show () ;
 
 				let collection = data_manager . get_collection_overview () . await ? ;
 				ui . render_collection_overview (collection) . await ;

src/ui/mod.rs

@@ -25,7 +25,7 @@ pub struct UI {
 
 impl UI {
 	pub fn new (
-		window : & 'static ApplicationWindow ,
+		window : & 'static Window ,
 		get_film_details : impl Fn (String) -> BoxFuture < 'static , FilmDetails > + 'static ,
 	) -> UI {
 		let get_film_details = leak (get_film_details) ;
@@ -54,12 +54,12 @@ impl UI {
 							& format ! ( "Release date: {}" , film_details . release_date ) ,
 						) ) . as_ref () ,
 					) ,
-				) . present ( Some (window) )
+				) . present ( Some ( & window . libadwaita_window ) )
 
 			} ) ;
 		} ) ;
 		let series_component = CollatableMediaContainer :: <SeriesAdapter> :: new (
-			|series| dialog ! () . present ( Some (window) ) ,
+			|series| dialog ! () . present ( Some ( & window . libadwaita_window ) ) ,
 		) ;
 		let switched = view_stack ! (
 			( "Films" , "camera-video-symbolic" , films_component . get_widget () ) ,
@@ -69,7 +69,7 @@ impl UI {
 			& view_switcher ! ( @ policy : Wide ; & switched ) ,
 		) ;
 
-		window . set_content ( Some (
+		window . libadwaita_window . set_content ( Some (
 			& toolbar_view ! ( @ top_bar : & header_bar ; & switched ) ,
 		) ) ;
 
@@ -83,3 +83,23 @@ impl UI {
 		) ;
 	}
 }
+
+
+
+pub struct Window {
+	libadwaita_window : ApplicationWindow ,
+}
+
+impl Window {
+	pub fn new (application : & Application ) -> Self {
+		let libadwaita_window = ApplicationWindow :: builder ()
+			. application (application)
+			. title ("Zoödex")
+			. build () ;
+		Self { libadwaita_window }
+	}
+
+	pub fn show ( & self ) { self . libadwaita_window . set_visible (true) }
+
+	pub fn close ( & self ) { self . libadwaita_window . close () }
+}