/*

 The zlib/libpng License

 

 Copyright (c) 2006 Chris Snyder 

 

 This software is provided 'as-is', without any express or implied warranty. In no event will

 the authors be held liable for any damages arising from the use of this software.

 

 Permission is granted to anyone to use this software for any purpose, including commercial

 applications, and to alter it and redistribute it freely, subject to the following

 restrictions:

 

 1. The origin of this software must not be misrepresented; you must not claim that

 you wrote the original software. If you use this software in a product,

 an acknowledgment in the product documentation would be appreciated but is

 not required.

 

 2. Altered source versions must be plainly marked as such, and must not be

 misrepresented as being the original software.

 

 3. This notice may not be removed or altered from any source distribution.

 */

#ifndef OIS_MacKeyboard_H

#define OIS_MacKeyboard_H



#include "OISKeyboard.h"

#include "mac/MacHelpers.h"

#include "mac/MacPrereqs.h"



#include <Carbon/Carbon.h>



namespace OIS

{

    

    class MacKeyboard : public Keyboard

    {

    public:

        MacKeyboard( InputManager* creator, bool buffered, bool repeat );

        virtual ~MacKeyboard();

        

        // Sets buffered mode

        virtual void setBuffered( bool buffered );

        

        // unbuffered keydown check

        virtual bool isKeyDown( KeyCode key ) const;

        

        // This will send listener events if buffered is on.

        // Note that in the mac implementation, unbuffered input is

        // automatically updated without calling this.

        virtual void capture();

        

        // Copies the current key buffer

        virtual void copyKeyStates( char keys[256] ) const;

        

        // Returns a description of the given key

        virtual std::string& getAsString( KeyCode key );

        

        virtual Interface* queryInterface( Interface::IType type ) { return 0; }

        

        

        // Public but reserved for internal use:

        virtual void _initialize();

        void _keyDownCallback( EventRef theEvent );

        void _keyUpCallback( EventRef theEvent );

        void _modChangeCallback( EventRef theEvent );

        



    protected:

        // just to get this out of the way

        void populateKeyConversion();

        

        // updates the keybuffer and optionally the eventStack

        void injectEvent(KeyCode kc, unsigned int time, MacEventType type, unsigned int txt = 0 );

                

        typedef std::map<UInt32, KeyCode> VirtualtoOIS_KeyMap;

        VirtualtoOIS_KeyMap keyConversion;

        

        std::string getString;

        

        char KeyBuffer[256];

        UInt32 prevModMask;

        

        

        // "universal procedure pointers" - required reference for callbacks

        EventHandlerUPP keyDownUPP;

        EventHandlerUPP keyUpUPP;

        EventHandlerUPP keyModUPP;

        

        // so we can delete the handlers on destruction

        EventHandlerRef keyDownEventRef;

        EventHandlerRef keyUpEventRef;

        EventHandlerRef keyModEventRef;

        

        // buffered events, fifo stack

        typedef std::list<MacKeyStackEvent> eventStack;

        eventStack pendingEvents;

        

        bool useRepeat;

        

    };

}

#endif