Style active sorting in menu, logic for sorting direction

src/application.css

@@ -0,0 +1,8 @@
+/* TODO: Switch out CSS dynamically on `gtk-application-prefer-dark-theme` property change */
+#film-collation-menu row:selected {
+	background-color : rgb( 0 0 0 / 0.08 ) ;
+}
+
+#film-collation-menu row:not(:selected) image {
+	opacity : 0 ;
+}

src/ui/collatable_container.rs

@@ -26,7 +26,7 @@ impl CollatableFilmsContainer {
 	pub fn new ( films : Vec <Film> ) -> Self {
 		let collated_grid = leak (
 			CollatedFilmsGrid :: new ( films , FilmsSortedBy :: Name ) ) ;
-		let film_collation_menu = FilmCollationMenu :: new ( |sorted_by| {
+		let film_collation_menu = FilmCollationMenu :: new ( | sorted_by , direction | {
 			collated_grid . set_sorting (sorted_by) ;
 		} ) ;
 

src/ui/collated_grid.rs

@@ -15,6 +15,7 @@ use crate :: { collection :: * , ui :: component :: * } ;
 
 pub enum FilmsSortedBy { Name , ReleaseDate , Runtime }
 pub enum SeriesSortedBy { Name , FirstReleaseDate }
+pub enum SortingDirection { Ascending , Descending }
 
 pub struct CollatedFilmsGrid {
 	film_widget_pairs : RefCell < Vec < ( Film , Box ) > > ,

src/ui/collation_menu.rs

@@ -6,33 +6,39 @@ use {
 		prelude :: * ,
 	} ,
 	libadwaita :: * ,
+	std :: cell :: * ,
 } ;
 
 use crate :: ui :: { collated_grid :: * , component :: * , utility :: * } ;
 
 
 
-pub struct FilmCollationMenu { widget : Box }
+pub struct FilmCollationMenu {
+	widget : Box ,
+	sorting : RefCell < ( FilmsSortedBy , SortingDirection ) > ,
+}
 pub struct SeriesCollationMenu { widget : Box }
 
 impl FilmCollationMenu {
-	pub fn new < F : Fn (FilmsSortedBy) + 'static > ( on_sort : F ) -> Self {
+	pub fn new < F : Fn ( FilmsSortedBy , SortingDirection ) + 'static > ( on_sort : F ) -> Self {
 		let widget = Box :: builder ()
 			. orientation (Horizontal)
 			. halign (Center)
 			. spacing (20)
+			. name ("film-collation-menu")
 			. css_classes ( ["toolbar"] )
 			. build () ;
 
 		widget . append ( & create_sort_button ( & create_films_sort_menu (on_sort) ) ) ;
-		widget . append ( & SplitButton :: builder () . label ("Filter") . build () ) ;
+		widget . append ( & create_filter_button () ) ;
 
-		Self { widget }
+		let sorting = RefCell :: new ( ( FilmsSortedBy :: Name , SortingDirection :: Ascending ) ) ;
+
+		Self { widget , sorting }
 	}
 }
 impl SeriesCollationMenu {
-	pub fn new <F> ( on_sort : F ) -> Self
-	where F : Fn (SeriesSortedBy) + 'static {
+	pub fn new < F : Fn (SeriesSortedBy) + 'static > ( on_sort : F ) -> Self {
 		let widget = Box :: builder ()
 			. orientation (Horizontal)
 			. halign (Center)
@@ -61,21 +67,24 @@ fn create_sort_button ( sort_menu : & Popover ) -> SplitButton {
 		. build ()
 }
 
-fn create_films_sort_menu < F : Fn (FilmsSortedBy) + 'static > ( on_sort : F ) -> Popover {
+fn create_films_sort_menu < F : Fn ( FilmsSortedBy , SortingDirection ) + 'static > ( on_sort : F ) -> Popover {
 	let container = ListBox :: new () ;
 
-	container . append ( & create_sort_menu_entry ( "Name" , false , true ) ) ;
-	container . append ( & create_sort_menu_entry ( "Release date" , false , false ) ) ;
-	container . append ( & create_sort_menu_entry ( "Runtime" , false , false ) ) ;
+	container . append ( & create_sort_menu_entry ( "Name" , false ) ) ;
+	container . append ( & create_sort_menu_entry ( "Release date" , false ) ) ;
+	container . append ( & create_sort_menu_entry ( "Runtime" , false ) ) ;
 
 	container . select_row ( container . row_at_index (0) . as_ref () ) ;
 
-	container . connect_row_activated ( move | _ , row | on_sort ( match row . index () {
+	container . connect_row_activated ( move | _ , row | on_sort (
+		match row . index () {
 			0 => FilmsSortedBy :: Name ,
 			1 => FilmsSortedBy :: ReleaseDate ,
 			2 => FilmsSortedBy :: Runtime ,
 			_ => panic ! () ,
-	} ) ) ;
+		} ,
+		SortingDirection :: Ascending ,
+	) ) ;
 
 	Popover :: builder ()
 		. child ( & container )
@@ -85,8 +94,8 @@ fn create_films_sort_menu < F : Fn (FilmsSortedBy) + 'static > ( on_sort : F ) -
 fn create_series_sort_menu < F : Fn (SeriesSortedBy) + 'static > ( on_sort : F ) -> Popover {
 	let container = ListBox :: new () ;
 
-	container . append ( & create_sort_menu_entry ( "Name" , false , true ) ) ;
-	container . append ( & create_sort_menu_entry ( "First release date" , false , false ) ) ;
+	container . append ( & create_sort_menu_entry ( "Name" , false ) ) ;
+	container . append ( & create_sort_menu_entry ( "First release date" , false ) ) ;
 
 	container . select_row ( container . row_at_index (0) . as_ref () ) ;
 
@@ -102,12 +111,11 @@ fn create_series_sort_menu < F : Fn (SeriesSortedBy) + 'static > ( on_sort : F )
 		. build ()
 }
 
-fn create_sort_menu_entry ( label : & str , reverse : bool , selected : bool ) -> ListBoxRow {
+fn create_sort_menu_entry ( label : & str , reverse : bool ) -> ListBoxRow {
 	let icon = match reverse {
 		false => Image :: from_icon_name ("view-sort-ascending-symbolic") ,
 		true => Image :: from_icon_name ("view-sort-descending-symbolic") ,
 	} ;
-	if ! selected { icon . set_opacity (0.0) }
 
 	let container = create_horizontal_box ! (
 		& Label :: builder ()
@@ -119,7 +127,9 @@ fn create_sort_menu_entry ( label : & str , reverse : bool , selected : bool ) -
 	) ;
 	container . set_spacing (20) ;
 
-	// TODO : Highlight `:selected` row using CSS, parent with `.menu` prevents default behaviour
-
 	ListBoxRow :: builder () . child ( & container ) . build ()
 }
+
+fn create_filter_button () -> SplitButton {
+	SplitButton :: builder () . label ("Filter") . build ()
+}