Refactored menu logic into MenuController interface, updated RT64

include/recomp_ui.h

@@ -2,6 +2,7 @@
 #define __RECOMP_UI__
 
 #include <memory>
+#include <string>
 
 #include "SDL.h"
 
@@ -9,15 +10,30 @@ namespace Rml {
 	class ElementDocument;
 	class EventListenerInstancer;
 	class Context;
+	class Event;
 }
 
 namespace recomp {
+	class UiEventListenerInstancer;
+
+	class MenuController {
+	public:
+		virtual ~MenuController() {}
+		virtual Rml::ElementDocument* load_document(Rml::Context* context) = 0;
+		virtual void register_events(UiEventListenerInstancer& listener) = 0;
+		virtual void make_bindings(Rml::Context* context) = 0;
+	};
+
+	std::unique_ptr<MenuController> create_launcher_menu();
+	std::unique_ptr<MenuController> create_config_menu();
+
+	using event_handler_t = void(Rml::Event&);
 
 	void queue_event(const SDL_Event& event);
 	bool try_deque_event(SDL_Event& out);
 
-	std::unique_ptr<Rml::EventListenerInstancer> make_event_listener_instancer();
-	void make_ui_bindings(Rml::Context* context);
+	std::unique_ptr<UiEventListenerInstancer> make_event_listener_instancer();
+	void register_event(UiEventListenerInstancer& listener, const std::string& name, event_handler_t* handler);
 
 	enum class Menu {
 		Launcher,