input.hpp

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#pragma once
 
#include <functional>
#include <map>
#include <string>
#include <vector>
 
#include "key.hpp"
 
// Input class for cangine.
// currently only supports keyboard input.
//
 
namespace cangine {
    class Window;
 
    class Input {
    private:
        static inline std::map<size_t, std::function<void(std::string)>> charEventHandlers; 
        static inline std::map<size_t, std::function<void(KeyEvent)>> keyEventHandlers;      
        static inline size_t nextID = 0; 
        static void handleCharEvent(std::string s);
        static void handleKeyEvent(Key key, KeyEventType eventType);
        friend class Window;
 
    public:
        static bool getKey(Key key);
        static bool getKeyDown(Key key);
        static bool getKeyUp(Key key);
 
        static size_t registerKeyEventHandler(std::function<void(KeyEvent)> f);
        static void unregisterKeyEventHandler(size_t id);
 
        static size_t registerCharEventHandler(std::function<void(std::string)> f);
        static void unregisterCharEventHandler(size_t id);
    };
}