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diff --git a/indra/newview/lljoystickbutton.h b/indra/newview/lljoystickbutton.h
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+++ b/indra/newview/lljoystickbutton.h
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+/** 
+ * @file lljoystickbutton.h
+ * @brief LLJoystick class definition
+ *
+ * Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#ifndef LL_LLJOYSTICKBUTTON_H
+#define LL_LLJOYSTICKBUTTON_H
+
+#include "llbutton.h"
+#include "llcoord.h"
+
+typedef enum e_joystick_quadrant
+{
+	JQ_ORIGIN,
+	JQ_UP,
+	JQ_DOWN,
+	JQ_LEFT,
+	JQ_RIGHT
+} EJoystickQuadrant;
+
+class LLJoystick
+:	public LLButton
+{
+public:
+	LLJoystick(const LLString& name, LLRect rect,	const LLString &default_image,	const LLString &selected_image, EJoystickQuadrant initial);
+
+	virtual BOOL	handleMouseDown(S32 x, S32 y, MASK mask);
+	virtual BOOL	handleMouseUp(S32 x, S32 y, MASK mask);
+	virtual BOOL	handleHover(S32 x, S32 y, MASK mask);
+
+	virtual void	onMouseUp() {}
+	virtual void	onHeldDown() = 0;
+	F32				getElapsedHeldDownTime();
+
+	static void		onHeldDown(void *userdata);		// called by llbutton callback handler
+	void            setInitialQuadrant(EJoystickQuadrant initial) { mInitialQuadrant = initial; };
+	
+	virtual LLXMLNodePtr getXML(bool save_children = true) const;
+	static LLString nameFromQuadrant(const EJoystickQuadrant quadrant);
+	static EJoystickQuadrant quadrantFromName(const LLString& name);
+	static EJoystickQuadrant selectQuadrant(LLXMLNodePtr node);
+
+
+protected:
+	virtual void	updateSlop();					// recompute slop margins
+
+protected:
+	EJoystickQuadrant	mInitialQuadrant;			// mousedown = click in this quadrant
+	LLCoordGL			mInitialOffset;				// pretend mouse started here
+	LLCoordGL			mLastMouse;					// where was mouse on last hover event
+	LLCoordGL			mFirstMouse;				// when mouse clicked, where was it
+	S32					mVertSlopNear;				// where the slop regions end
+	S32					mVertSlopFar;				// where the slop regions end
+	S32					mHorizSlopNear;				// where the slop regions end
+	S32					mHorizSlopFar;				// where the slop regions end
+	BOOL				mHeldDown;
+	LLFrameTimer		mHeldDownTimer;
+};
+
+
+// Turn agent left and right, move forward and back
+class LLJoystickAgentTurn
+:	public LLJoystick
+{
+public:
+	LLJoystickAgentTurn(const LLString& name, LLRect rect, const LLString &default_image, const LLString &selected_image, EJoystickQuadrant initial)
+		: LLJoystick(name, rect, default_image, selected_image, initial)
+	{ }
+
+	virtual EWidgetType getWidgetType() const { return WIDGET_TYPE_JOYSTICK_TURN; }
+	virtual LLString getWidgetTag() const { return LL_JOYSTICK_TURN; }
+
+	virtual void	onHeldDown();
+
+	static LLView* LLJoystickAgentTurn::fromXML(LLXMLNodePtr node, LLView *parent, LLUICtrlFactory *factory);
+
+};
+
+
+// Slide left and right, move forward and back
+class LLJoystickAgentSlide
+:	public LLJoystick
+{
+public:
+	LLJoystickAgentSlide(const LLString& name, LLRect rect, const LLString &default_image, const LLString &selected_image, EJoystickQuadrant initial)
+		: LLJoystick(name, rect, default_image, selected_image, initial)
+	{ }
+	
+	virtual EWidgetType getWidgetType() const { return WIDGET_TYPE_JOYSTICK_SLIDE; }
+	virtual LLString getWidgetTag() const { return LL_JOYSTICK_SLIDE; }
+
+
+	virtual void	onHeldDown();
+	virtual void	onMouseUp();
+
+	static LLView* LLJoystickAgentSlide::fromXML(LLXMLNodePtr node, LLView *parent, LLUICtrlFactory *factory);
+};
+
+
+// Rotate camera around the focus point
+class LLJoystickCameraRotate
+:	public LLJoystick
+{
+public:
+	LLJoystickCameraRotate(const LLString& name, LLRect rect, const LLString &out_img, const LLString &in_img);
+
+	virtual void	setToggleState( BOOL left, BOOL top, BOOL right, BOOL bottom );
+
+	virtual BOOL	handleMouseDown(S32 x, S32 y, MASK mask);
+	virtual void	onHeldDown();
+	virtual void	draw();
+
+protected:
+	F32				getOrbitRate();
+	virtual void	updateSlop();
+	void			drawRotatedImage( LLImageGL* image, S32 rotations );
+
+protected:
+	BOOL			mInLeft;
+	BOOL			mInTop;
+	BOOL			mInRight;
+	BOOL			mInBottom;
+};
+
+
+// Track the camera focus point forward/backward and side to side
+class LLJoystickCameraTrack
+:	public LLJoystickCameraRotate
+{
+public:
+	LLJoystickCameraTrack(const LLString& name, LLRect rect, const LLString &out_img, const LLString &in_img)
+		: LLJoystickCameraRotate(name, rect, out_img, in_img)
+	{ }
+
+	virtual void	onHeldDown();
+};
+
+
+// Zoom the camera in and out
+class LLJoystickCameraZoom
+:	public LLJoystick
+{
+public:
+	LLJoystickCameraZoom(const LLString& name, LLRect rect, const LLString &out_img, const LLString &plus_in_img, const LLString &minus_in_img);
+
+	virtual void	setToggleState( BOOL top, BOOL bottom );
+
+	virtual BOOL	handleMouseDown(S32 x, S32 y, MASK mask);
+	virtual void	onHeldDown();
+	virtual void	draw();
+
+protected:
+	virtual void updateSlop();
+	F32				getOrbitRate();
+
+protected:
+	BOOL			mInTop;
+	BOOL			mInBottom;
+	LLPointer<LLViewerImage>	mPlusInImage;
+	LLPointer<LLViewerImage>	mMinusInImage;
+};
+
+
+
+#endif  // LL_LLJOYSTICKBUTTON_H