#ifndef headerfilemessages
#define headerfilemessages

#include <map>
#include <windows.h>











class Messages
{
public:
	typedef	BOOL (*MessageFunction)(HWND, UINT, WPARAM, LPARAM);
	typedef	std::map<UINT, MessageFunction> MessageTable;


	void Associate(UINT message, MessageFunction message_function)
	{
		message_table.insert( std::make_pair(message, message_function) );
	}
	

	void Clear()
	{
		message_table.clear();
	}


	BOOL Call(UINT key, HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
	{
		MessageTable::iterator i = message_table.find(key);

		if( i == message_table.end() )
			return false;

	return i->second(hWnd, message, wParam, lParam);
	}


	bool Empty() const
	{
		return message_table.empty();
	}


private:

	MessageTable message_table;

};


#endif