SDLInputManager.hpp

// Authors: see AUTHORS.md at project root.
// CopyPolicy: released under the terms of the LGPLv2.1, see LICENSE at project root.
// URL: https://github.com/asrob-uc3m/robotDevastation
 
#ifndef __RD_SDL_INPUT_MANAGER_HPP__
#define __RD_SDL_INPUT_MANAGER_HPP__
 
#include <string>
 
#include <SDL.h>
 
#include "InputManager.hpp"
 
namespace rd{
 
class SDLInputManager : public InputManager
{
    public:
        virtual bool start();
        virtual bool stop();
        virtual bool isStopped() const;
 
        virtual bool configure(const std::string & parameter, const std::string & value);
 
        static bool RegisterManager();
 
        ~SDLInputManager();
 
        static const std::string id;
 
        virtual bool refreshEvents();
 
    private:
        SDLInputManager();
 
        SDLInputManager(const SDLInputManager &);
        SDLInputManager & operator=(const SDLInputManager &);
 
        // This static function is the real callback function.  It's compatible
        // with the C-style CallbackFunctionPtr.  The extra void* is used to
        // get back into the real object of this class type.
        static int staticInputCallback(void *userdata, SDL_Event *event)
        {
            // Get back into the class by treating p as the "this" pointer.
            if( ! ((SDLInputManager *)userdata) -> inputCallback(event) )
                return 1;
            return 0;
        }
 
        bool inputCallback(SDL_Event* event);
 
 
        static SDLInputManager * uniqueInstance;
 
        bool stopped;
};
}
 
#endif // __RD_SDL_INPUT_MANAGER_HPP__