touch.h
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touch.h
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	#ifndef _rtech1_touch
	#define _rtech1_touch

	#include "../pointer.h"
	#include <vector>

	namespace Graphics{
	class Bitmap;
	}

	/* Manages devices that respond to touch input, such as android/ios
	*
	* A specific area of the screen will correspond to specific buttons. Something like
	* (0, 0) - (10, 10) = up button
	* (0, 10) - (10, 20) = down button
	*
	* When a touch occurs in an area defined with a button then a logical key press will be created.
	*
	* The scroll events will be generated when a touch is registered outside a button area and
	* there is movement of a sufficient amount in one direction.
	*/

	namespace DeviceInput{

	class Touch{
	public:
	Touch();
	virtual void poll() = 0;
	virtual ~Touch();

	enum Key{
	Invalid = -1,
	Up = 0,
	Down,
	Left,
	Right,
	Button1,
	Button2,
	Button3,
	Button4,
	Button5,
	Button6,
	ScrollUp,
	ScrollDown,
	ScrollLeft,
	ScrollRight,
	Quit,
	Start
	};

	virtual void setZone(Key key, int x1, int y1, int x2, int y2) = 0;

	virtual void drawTouchOverlay(const Graphics::Bitmap & bitmap) = 0;

	class Event{
	public:
	Event(Key key, bool enabled);

	Key key;
	bool enabled;
	};

	const std::vector<Event> & getEvents();

	std::vector<Event> events;
	};

	Util::ReferenceCount<Touch> getTouchDevice();

	}

	#endif