/** 
 * @file lltoolobjpicker.h
 * @brief LLToolObjPicker class header file
 *
 * Copyright (c) 2001-2007, Linden Research, Inc.
 * 
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlife.com/developers/opensource/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at http://secondlife.com/developers/opensource/flossexception
 * 
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 */

#ifndef LL_TOOLOBJPICKER_H
#define LL_TOOLOBJPICKER_H

#include "lltool.h"
#include "v3math.h"
#include "lluuid.h"

class LLToolObjPicker : public LLTool
{
public:
	LLToolObjPicker();

	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 		handleSelect();
	virtual void 		handleDeselect();

	virtual void		onMouseCaptureLost();

	virtual void 		setExitCallback(void (*callback)(void *), void *callback_data);

	LLUUID				getObjectID() const { return mHitObjectID; }

	static void			pickCallback(S32 x, S32 y, MASK mask);

protected:
	BOOL				mPicked;
	LLUUID				mHitObjectID;
	void 				(*mExitCallback)(void *callback_data);
	void 				*mExitCallbackData;
};

extern LLToolObjPicker* gToolObjPicker;

#endif