clean up path logic a bit

1 files changed, 8 insertions, 2 deletions

diff --git a/lib/nes/app/ui/screen-browser.hh b/lib/nes/app/ui/screen-browser.hh
index 7a711c5..3870f02 100644
--- a/lib/nes/app/ui/screen-browser.hh
+++ b/lib/nes/app/ui/screen-browser.hh
@@ -11,13 +11,15 @@ namespace nes::app
 	/// An interface which allows the user to browse the filesystem for a game.
 	class screen_browser final : public screen
 	{
+		static constexpr auto page_size = u32{ 8 };
+
 		struct item
 		{
 			bool is_parent{ false };
 			file_browser::item data{ file_browser::item_type::directory, "" };
 		};
 
-		class selection_impl final : public selection<item, 8>
+		class selection_impl final : public selection<item, page_size>
 		{
 			file_browser& file_browser_;
 
@@ -30,17 +32,21 @@ namespace nes::app
 
 		protected:
 			auto render_item(renderer&, item const&, i32 x, i32 y, u32 width, color) const -> void override;
-			auto load_page(item(&)[8], u32 page) -> u32 override;
+			auto load_page(item(&)[page_size], u32 page) -> u32 override;
 		};
 
 		input_device_keyboard& keyboard_;
 		file_browser& file_browser_;
 		selection_impl selection_;
+		u32 navigation_steps_{ 0 };
 
 	public:
 		explicit screen_browser(input_device_keyboard&, file_browser&);
 
 		auto render(renderer&) -> void override;
 		auto process_events() -> action override;
+
+	private:
+		auto refresh() -> void;
 	};
 } // namespace nes::app
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