KoInteractionStrategy.h

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/* This file is part of the KDE project
 
   SPDX-FileCopyrightText: 2006 Thorsten Zachmann <zachmann@kde.org>
   SPDX-FileCopyrightText: 2006-2007, 2009 Thomas Zander <zander@kde.org>
   SPDX-FileCopyrightText: 2011 Jan Hambrecht <jaham@gmx.net>
 
   SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#ifndef KOINTERACTIONSTRATEGY_H
#define KOINTERACTIONSTRATEGY_H
 
#include "kritaflake_export.h"
 
#include <Qt>
 
class KoPointerEvent;
class KoViewConverter;
class KoInteractionStrategyPrivate;
class KoToolBase;
class KUndo2Command;
class QPointF;
class QPainter;
class KoColorDisplayRendererInterface;
 
class KRITAFLAKE_EXPORT KoInteractionStrategy
{
public:
    explicit KoInteractionStrategy(KoToolBase *parent);
    virtual ~KoInteractionStrategy();
 
    virtual void paint(QPainter &painter, const KoViewConverter &converter, const KoColorDisplayRendererInterface *displayRendererInterface);
    virtual void handleMouseMove(const QPointF &mouseLocation, Qt::KeyboardModifiers modifiers) = 0;
 
    virtual KUndo2Command *createCommand() = 0;
    virtual void cancelInteraction();
    virtual void finishInteraction(Qt::KeyboardModifiers modifiers) = 0;
 
    KoToolBase *tool() const;
 
protected:
    KoInteractionStrategy(KoInteractionStrategyPrivate &);
 
    KoInteractionStrategyPrivate *d_ptr;
 
    uint handleRadius() const;
 
    uint decorationThickness() const;
 
    uint grabSensitivity() const;
 
private:
    Q_DECLARE_PRIVATE(KoInteractionStrategy)
};
 
#endif