[nostalgia/core] Cleanup

src/nostalgia/core/context.hpp

@@ -8,6 +8,7 @@
 
 #include "assetmanager.hpp"
 #include "event.hpp"
+#include "input.hpp"
 
 namespace nostalgia::common {
 class Size;
@@ -16,13 +17,7 @@ class Size;
 namespace nostalgia::core {
 
 class Context;
-
-class Drawer {
-	public:
-		virtual ~Drawer() = default;
-
-		virtual void draw(Context*) noexcept = 0;
-};
+class Drawer;
 
 // User Input Output
 class Context {
@@ -31,6 +26,7 @@ class Context {
 	friend constexpr T *applicationData(Context *ctx) noexcept;
 	friend constexpr void setConstantRefresh(Context *ctx, bool) noexcept;
 	friend bool bgStatus(Context *ctx, unsigned bg) noexcept;
+	friend bool buttonDown(Context *ctx, Key) noexcept;
 	friend common::Size getScreenSize(Context *ctx) noexcept;
 	friend int getScreenHeight(Context *ctx) noexcept;
 	friend int getScreenWidth(Context *ctx) noexcept;