/*
 *  kis_clipboard.h - part of Krayon
 *
 *  Copyright (c) 2004 Boudewijn Rempt <boud@valdyas.org>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#ifndef __KIS_CLIPBOARD_H_
#define __KIS_CLIPBOARD_H_

#include "kis_types.h"

class QImage;

/**
 * The Krita clipboard is a clipboard that can store paint devices
 * instead of just qimage's.
 */
class KisClipboard : public QObject {

	Q_OBJECT

public:

	virtual KisClipboard::~KisClipboard();

	static KisClipboard* instance();

	/**
	 * Sets the clipboard to the contents of the specified paint device; also
	 * set the system clipboard to a QImage representation of the specified 
	 * paint device.
	 */
	void setClip(KisPaintDeviceSP layer);
	
	/**
	 * Get the contents of the clipboard in the form of a paint device.
	 */
	KisPaintDeviceSP clip();

	bool hasClip();

private slots:

	void clipboardDataChanged();
private:

	KisClipboard();
	KisClipboard(const KisClipboard &);
	KisClipboard operator=(const KisClipboard &);

	static KisClipboard * m_singleton;

	KisPaintDeviceSP m_clip;

	bool m_pushedClipboard;


};

#endif // __KIS_CLIPBOARD_H_
