KoCanvasObserverBase.h

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/* This file is part of the KDE project
 * SPDX-FileCopyrightText: 2007 Thomas Zander <zander@kde.org>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
#ifndef KOCANVASOBSERVERBASE_H
#define KOCANVASOBSERVERBASE_H
 
class KoCanvasBase;
class KoCanvasObserverBasePrivate;
 
#include "kritaflake_export.h"
#include <QString>
#include <QMainWindow>
 
class KRITAFLAKE_EXPORT KoCanvasObserverBase
{
public:
    KoCanvasObserverBase();
    virtual ~KoCanvasObserverBase();
 
    virtual QString observerName() { return ""; }
 
    void setObservedCanvas(KoCanvasBase *canvas);
 
    void unsetObservedCanvas();
 
    KoCanvasBase* observedCanvas() const;
 
protected:
    virtual void setCanvas(KoCanvasBase *canvas) = 0;
 
    virtual void unsetCanvas() = 0;
 
private:
    KoCanvasObserverBasePrivate * const d;
};
 
#endif // KOCANVASOBSERVERBASE_H