D:/Uni/8.Semester/InfoVis/Demo/source/Input/InputManager.h

#ifndef __INPUTMANAGER__H__
#define __INPUTMANAGER__H__

#include "../Util/Singleton.h"

#define KEY_F1                  (GLUT_KEY_F1+256)
#define KEY_F2                  (GLUT_KEY_F2+256)
#define KEY_F3                  (GLUT_KEY_F3+256)
#define KEY_F4                  (GLUT_KEY_F4+256)
#define KEY_F5                  (GLUT_KEY_F5+256)
#define KEY_F6                  (GLUT_KEY_F6+256)
#define KEY_F7                  (GLUT_KEY_F7+256)
#define KEY_F8                  (GLUT_KEY_F8+256)
#define KEY_F9                  (GLUT_KEY_F9+256)
#define KEY_F10                 (GLUT_KEY_F10+256)
#define KEY_F11                 (GLUT_KEY_F11+256)
#define KEY_F12                 (GLUT_KEY_F12+256)

#define KEY_LEFT                (GLUT_KEY_LEFT+256)
#define KEY_UP                  (GLUT_KEY_UP+256)
#define KEY_RIGHT               (GLUT_KEY_RIGHT+256)
#define KEY_DOWN                (GLUT_KEY_DOWN+256)
#define KEY_PAGE_UP             (GLUT_KEY_PAGE_UP+256)
#define KEY_PAGE_DOWN   (GLUT_KEY_PAGE_DOWN+256)
#define KEY_HOME                (GLUT_KEY_HOME+256)
#define KEY_END                 (GLUT_KEY_END+256)
#define KEY_INSERT              (GLUT_KEY_INSERT+256)

#define KEY_CONSOLE             '`'
#define KEY_TAB                 9
#define KEY_BACKSPACE   8
#define KEY_DELETE              127
#define KEY_SPACE               ' '
#define KEY_ENTER               13
#define KEY_ESCAPE              27

#define MOUSE_LEFT              GLUT_LEFT_BUTTON
#define MOUSE_MIDDLE    GLUT_MIDDLE_BUTTON
#define MOUSE_RIGHT             GLUT_RIGHT_BUTTON

class InputManager : public Singleton<InputManager>
{
        friend class Singleton<InputManager>;

public:
        InputManager(void);
        ~InputManager(void);

        // inits the input manager
        void Init(void);

        // exits the input manager
        void Exit(void);

        // returns if a key is pressed or not
        const bool IsKeyPressed(const int& key) const;

        // returns if a key is pressed or not and sets the key state to false
        const bool IsKeyPressedAndReset(const int& key);

        // returns if a mouse key is pressed or not
        const bool IsMouseKeyPressed(const int& key) const;

        // returns the mouse position
        const POINT GetMousePosition(void);
        const POINT GetRelMousePosition(void);

        // callback functions for glut
        void KeyUpFunction(const unsigned char& key, const int& x, const int& y);
        void KeyDownFunction(const unsigned char& key, const int& x, const int& y);
        void SpecialKeyUpFunction(const int& key, const int& x, const int& y);
        void SpecialKeyDownFunction(const int& key, const int& x, const int& y);
        void MouseFunction(const int& button, const int& state, const int& x, const int& y);

private:
        // keystates
        bool keyStates[512];
        
        // mousestate
        bool mouseStates[3];

        // last x mouse position
        int lastX;

        // last y mouse position
        int lastY;
};

#endif

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