kis_simplified_action_policy_strategy.h

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/*
 *  SPDX-FileCopyrightText: 2014 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef __KIS_SIMPLIFIED_ACTION_POLICY_STRATEGY_H
#define __KIS_SIMPLIFIED_ACTION_POLICY_STRATEGY_H
 
#include <QScopedPointer>
 
#include "kis_transform_strategy_base.h"
 
 
class KoPointerEvent;
class KisCoordinatesConverter;
class KoSnapGuide;
 
class KisSimplifiedActionPolicyStrategy : public KisTransformStrategyBase
{
public:
    KisSimplifiedActionPolicyStrategy(const KisCoordinatesConverter *_converter, KoSnapGuide *snapGuide = 0);
    ~KisSimplifiedActionPolicyStrategy() override;
 
    void activatePrimaryAction() override;
 
    bool beginPrimaryAction(KoPointerEvent *event) override;
    void continuePrimaryAction(KoPointerEvent *event) override;
    bool endPrimaryAction(KoPointerEvent *event) override;
    void hoverActionCommon(KoPointerEvent *event) override;
 
    virtual QPointF handleSnapPoint(const QPointF &imagePos);
 
    void activateAlternateAction(KisTool::AlternateAction action) override;
    void deactivateAlternateAction(KisTool::AlternateAction action) override;
 
    bool beginAlternateAction(KoPointerEvent *event, KisTool::AlternateAction action) override;
    void continueAlternateAction(KoPointerEvent *event, KisTool::AlternateAction action) override;
    bool endAlternateAction(KoPointerEvent *event, KisTool::AlternateAction action) override;
 
private:
    QPointF snapDocPoint(const QPointF &point, Qt::KeyboardModifiers modifiers) const;
 
protected:
 
    virtual void setTransformFunction(const QPointF &mousePos, bool perspectiveModifierActive, bool shiftModifierActive, bool altModifierActive) = 0;
    virtual bool shiftModifierIsUsed() const;
 
    virtual bool beginPrimaryAction(const QPointF &pt) = 0;
    virtual void continuePrimaryAction(const QPointF &pt, bool shiftModifierActive, bool altModifierActive) = 0;
    virtual bool endPrimaryAction() = 0;
    virtual void hoverActionCommon(const QPointF &pt);
 
private:
    struct Private;
    const QScopedPointer<Private> m_d;
};
 
#endif /* __KIS_SIMPLIFIED_ACTION_POLICY_STRATEGY_H */