CoolVLViewer/indra/newview/lltoolselectrect.h

/**
 * @file lltoolselectrect.h
 * @brief A tool to select multiple objects with a screen-space rectangle.
 *
 * $LicenseInfo:firstyear=2001&license=viewergpl$
 *
 * Copyright (c) 2001-2009, Linden Research, Inc.
 *
 * Second Life Viewer Source Code
 * 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://secondlifegrid.net/programs/open_source/licensing/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://secondlifegrid.net/programs/open_source/licensing/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.
 * $/LicenseInfo$
 */

#ifndef LL_LLTOOLSELECTRECT_H
#define LL_LLTOOLSELECTRECT_H

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

class LLToolSelectRect : public LLToolSelect
{
protected:
	LOG_CLASS(LLToolSelectRect);

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);

	// Draws the selection rectangle
	virtual void draw();

	void handlePick(const LLPickInfo& pick);

protected:
	void handleRectangleSelection(S32 x, S32 y, MASK mask);
	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