/*

The zlib/libpng License



Copyright (c) 2005-2007 Phillip Castaneda (pjcast -- www.wreckedgames.com)



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 _LINUX_KEYBOARD_H_EADER_

#define _LINUX_KEYBOARD_H_EADER_



#include "linux/LinuxPrereqs.h"

#include "OISKeyboard.h"

#include <X11/Xlib.h>



namespace OIS

{

	/** Linux implementation of Keyboard object - uses x11 */

	class LinuxKeyboard : public Keyboard

	{

	public:

		LinuxKeyboard(InputManager* creator, bool buffered, bool grab);

		virtual ~LinuxKeyboard();



		/** @copydoc Keyboard::isKeyDown */

		virtual bool isKeyDown( KeyCode key ) const;



		/** @copydoc Keyboard::getAsString */

		virtual const std::string& getAsString( KeyCode kc );



		/** @copydoc Keyboard::copyKeyStates */

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



		/** @copydoc Object::setBuffered */

		virtual void setBuffered(bool buffered);



		/** @copydoc Object::capture */

		virtual void capture();



		/** @copydoc Object::queryInterface */

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



		/** @copydoc Object::_initialize */

		virtual void _initialize();



	protected:
		inline bool _isKeyRepeat(XEvent &event)
		{
			//When a key is repeated, there will be two events: released, followed by another immediate pressed. So check to see if another pressed is present	
			if(!XPending(display))
				return false;

			XEvent e;
			XPeekEvent(display, &e);
			if(e.type == KeyPress && e.xkey.keycode == event.xkey.keycode && (e.xkey.time - event.xkey.time) < 2)
			{
				XNextEvent(display, &e);
				return true;
			}

			return false;
		}


		bool _injectKeyDown( KeySym key, int text );

		bool _injectKeyUp( KeySym key );



		//! 1:1 Conversion Map between X Key Events and OIS KeyCodes

		typedef std::map<KeySym, KeyCode> XtoOIS_KeyMap;

		XtoOIS_KeyMap keyConversion;



		//! Depressed Key List

		char KeyBuffer[256];



		//! X11 Stuff

		Window window;

		Display *display;

		bool grabKeyboard;

		bool keyFocusLost;



		std::string mGetString;

	};

}



#endif //_LINUX_KEYBOARD_H_EADER_