/** 
 * @file lltoolface.h
 * @brief A tool to select object faces
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * 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_LLTOOLFACE_H
#define LL_LLTOOLFACE_H

#include "lltool.h"

class LLViewerObject;
class LLPickInfo;

class LLToolFace
:	public LLTool, public LLSingleton<LLToolFace>
{
	LLSINGLETON(LLToolFace);
	virtual ~LLToolFace();
public:

	virtual BOOL	handleMouseDown(S32 x, S32 y, MASK mask);
	virtual BOOL	handleDoubleClick(S32 x, S32 y, MASK mask);
	virtual void	handleSelect();
	virtual void	handleDeselect();
	virtual void	render();			// draw face highlights

	static void pickCallback(const LLPickInfo& pick_info);

	// <FS:Zi> Add control to drag texture faces around
	virtual BOOL	handleMouseUp(S32 x, S32 y, MASK mask);
	virtual void	stopGrabbing();

	static BOOL mTextureGrabbed;
	static LLViewerObject* mTextureObject;
	static S32 mFaceGrabbed;

	S32 mGrabX;
	S32 mGrabY;
	// </FS:Zi>
};

#endif
