CoolVLViewer/indra/newview/lltoolselectland.h

/**
 * @file lltoolselectland.h
 * @brief LLToolSelectLand class header file
 *
 * $LicenseInfo:firstyear=2002&license=viewergpl$
 *
 * Copyright (c) 2002-2009, 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_LLTOOLSELECTLAND_H
#define LL_LLTOOLSELECTLAND_H

#include "llsafehandle.h"
#include "llvector3d.h"

#include "lltool.h"

class LLParcelSelection;

class LLToolSelectLand final : public LLTool
{
protected:
	LOG_CLASS(LLToolSelectLand);

public:
	LLToolSelectLand();

	bool handleMouseDown(S32 x, S32 y, MASK mask) override;
	bool handleDoubleClick(S32 x, S32 y, MASK mask) override;
	bool handleMouseUp(S32 x, S32 y, MASK mask) override;
	bool handleHover(S32 x, S32 y, MASK mask) override;

	// Draws the selection rectangle
	void render() override;
	bool isAlwaysRendered() override			{ return true; }

	void handleSelect() override;
	void handleDeselect() override;

protected:
	bool outsideSlop(S32 x, S32 y, S32 start_x, S32 start_y);
	void roundXY(LLVector3d& vec);

protected:
	// Holds on to a parcel selection
	LLSafeHandle<LLParcelSelection>	mSelection;

	// Global coords
	LLVector3d						mDragStartGlobal;
	LLVector3d						mDragEndGlobal;
	// Global coords, from drag
	LLVector3d						mWestSouthBottom;
	LLVector3d						mEastNorthTop;

	// Screen coord, from left
	S32								mDragStartX;
	// Screen coord, from bottom
	S32								mDragStartY;
	// Screen coord, from drag
	S32								mDragEndX;
	S32								mDragEndY;

	// Is drag end a valid point in the world ?
	bool							mDragEndValid;
	// Has mouse ever gone outside slop region ?
	bool							mMouseOutsideSlop;
};

extern LLToolSelectLand gToolSelectLand;

#endif