refactor selection

1 files changed, 15 insertions, 4 deletions

diff --git a/lib/nes/app/ui/screen-title.hh b/lib/nes/app/ui/screen-title.hh
index 2ebc78a..6384c3e 100644
--- a/lib/nes/app/ui/screen-title.hh
+++ b/lib/nes/app/ui/screen-title.hh
@@ -1,10 +1,11 @@
 #pragma once
 
 #include "nes/app/ui/screen.hh"
+#include "nes/app/ui/selection.hh"
 
 namespace nes::app
 {
-	class input_manager;
+	class input_device_keyboard;
 
 	/// The main title screen for the emulator, used as an entrypoint for the UI.
 	///
@@ -18,11 +19,21 @@ namespace nes::app
 			help,
 		};
 
-		input_manager& input_manager_;
-		item selected_item_{ item::load_game };
+		class selection_impl final : public selection<item, 3>
+		{
+		public:
+			using selection::selection;
+
+		protected:
+			auto render_item(renderer&, item const&, i32 x, i32 y, u32 width, color) const -> void override;
+			auto load_page(item(&)[3], u32 page) -> u32 override;
+		};
+
+		input_device_keyboard& keyboard_;
+		selection_impl selection_{ 10, 16, 11 };
 
 	public:
-		explicit screen_title(input_manager&);
+		explicit screen_title(input_device_keyboard&);
 
 		auto render(renderer&) -> void override;
 		auto process_events() -> action override;