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/** 
 * @file lltoolselectrect.h
 * @brief A tool to select multiple objects with a screen-space rectangle.
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#ifndef LL_LLTOOLSELECTRECT_H
#define LL_LLTOOLSELECTRECT_H

#include "lltool.h"
#include "lltoolselect.h"

class LLToolSelectRect
:	public LLToolSelect
{
public:
	LLToolSelectRect( LLToolComposite* composite );

	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	draw();							// draw the select rectangle

	void handlePick(const LLPickInfo& pick);

protected:
	void			handleRectangleSelection(S32 x, S32 y, MASK mask);	// true if you selected one
	bool			outsideSlop(S32 x, S32 y, S32 start_x, S32 start_y);

protected:
	S32				mDragStartX;					// screen coords, from left
	S32				mDragStartY;					// screen coords, from bottom

	S32				mDragEndX;
	S32				mDragEndY;

	S32				mDragLastWidth;
	S32				mDragLastHeight;

	bool			mMouseOutsideSlop;		// has mouse ever gone outside slop region?
};


#endif