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/** 
 * @file llmousehandler.h
 * @brief LLMouseHandler class definition
 *
 * 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_MOUSEHANDLER_H
#define LL_MOUSEHANDLER_H

#include "llstring.h"

// Abstract interface.
// Intended for use via multiple inheritance. 
// A class may have as many interfaces as it likes, but never needs to inherit one more than once.

#include "llstring.h"

class LLMouseHandler
{
public:
	LLMouseHandler() {}
	virtual ~LLMouseHandler() {}
	
	virtual BOOL	handleMouseDown(S32 x, S32 y, MASK mask) = 0;
	virtual BOOL	handleMouseUp(S32 x, S32 y, MASK mask) = 0;
	virtual BOOL	handleHover(S32 x, S32 y, MASK mask) = 0;
	virtual BOOL	handleScrollWheel(S32 x, S32 y, S32 clicks) = 0;
	virtual BOOL	handleDoubleClick(S32 x, S32 y, MASK mask) = 0;
	virtual BOOL	handleRightMouseDown(S32 x, S32 y, MASK mask) = 0;
	virtual BOOL	handleRightMouseUp(S32 x, S32 y, MASK mask) = 0;
	virtual BOOL	handleToolTip(S32 x, S32 y, LLString& msg, LLRect* sticky_rect_screen) = 0;
	virtual const LLString& getName() const = 0;

	// Hack to support LLFocusMgr
	virtual BOOL isView() = 0;

	virtual void	screenPointToLocal(S32 screen_x, S32 screen_y, S32* local_x, S32* local_y) const = 0;
	virtual void	localPointToScreen(S32 local_x, S32 local_y, S32* screen_x, S32* screen_y) const = 0;
};

#endif