move keys related functions/classes to separate file

src/actions.h

@@ -50,41 +50,8 @@ enum ActionType
 	aShowVisualizer, aShowClock, aShowServerInfo
 };
 
-enum CharType { ctStandard, ctNCurses };
-
 struct Action
 {
-	/// Key for binding actions to it. Supports non-ascii characters.
-	struct Key
-	{
-		Key(wchar_t ch, CharType ct) : Char(ch), Type(ct) { }
-		
-		wchar_t getChar() const { return Char; }
-		CharType getType() const { return Type; }
-		
-#		define INEQUALITY_OPERATOR(CMP) \
-			bool operator CMP (const Key &k) const \
-			{ \
-				if (Char CMP k.Char) \
-					return true; \
-				if (Char != k.Char) \
-					return false; \
-				return Type CMP k.Type; \
-			}
-		INEQUALITY_OPERATOR(<);
-		INEQUALITY_OPERATOR(<=);
-		INEQUALITY_OPERATOR(>);
-		INEQUALITY_OPERATOR(>=);
-#		undef INEQUALITY_OPERATOR
-		
-		bool operator==(const Key &k) const { return Char == k.Char && Type == k.Type; }
-		bool operator!=(const Key &k) const { return !(*this == k); }
-		
-		private:
-			wchar_t Char;
-			CharType Type;
-	};
-	
 	enum FindDirection { fdForward, fdBackward };
 	
 	Action(ActionType type, const char *name) : itsType(type), itsName(name) { }
@@ -102,8 +69,6 @@ struct Action
 		return false;
 	}
 	
-	static Key ReadKey(NC::Window &w);
-	
 	static void ValidateScreenSize();
 	static void SetResizeFlags();
 	static void ResizeScreen();
@@ -124,8 +89,6 @@ struct Action
 	static size_t FooterHeight;
 	static size_t FooterStartY;
 	
-	static Key NoOp;
-	
 	protected:
 		virtual bool canBeRun() const { return true; }
 		virtual void Run() = 0;