/** 
 * @file lltoolview.h
 * @brief UI container for tools.
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * 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_LLTOOLVIEW_H
#define LL_LLTOOLVIEW_H

// requires stdtypes.h
#include "llpanel.h"

// forward declares
class LLTool;
class LLButton;

class LLToolView;


// Utility class, container for the package of information we need about
// each tool.  The package can either point directly to a tool, or indirectly
// to another view of tools.
class LLToolContainer
{
public:
	LLToolContainer(LLToolView* parent);
	~LLToolContainer();

public:
	LLToolView*		mParent;		// toolview that owns this container
	LLButton*		mButton;
	LLPanel*		mPanel;
	LLTool*			mTool;			// if not NULL, this is a tool ref
};


// A view containing automatically arranged button icons representing
// tools.  The icons sit on top of panels containing options for each
// tool.
class LLToolView
:	public LLView
{
public:
	LLToolView(const std::string& name, const LLRect& rect);
	~LLToolView();

	virtual void	draw();			// handle juggling tool button highlights, panel visibility

	static void		onClickToolButton(void* container);

	LLView*			getCurrentHoverView();

private:
	LLRect			getButtonRect(S32 button_index);	// return rect for button to add, zero-based index
	LLToolContainer	*findToolContainer(LLTool *tool);


private:
	typedef std::vector<LLToolContainer*> contain_list_t;
	contain_list_t 			mContainList;
	S32						mButtonCount;			// used to compute rectangles
};

#endif
