qabstract3dinputhandler.h

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#ifndef QTDATAVIS3D_QABSTRACT3DINPUTHANDLER_H

#define QTDATAVIS3D_QABSTRACT3DINPUTHANDLER_H

#include <QtDataVisualization/qdatavisualizationglobal.h>

#include <QtDataVisualization/q3dscene.h>

#include <QtCore/QObject>

#include <QtCore/QPoint>

#include <QtGui/QWheelEvent>

#include <QtGui/QMouseEvent>

#include <QtGui/QTouchEvent>

QT_BEGIN_NAMESPACE

class QAbstract3DInputHandlerPrivate;

class Q_DATAVISUALIZATION_EXPORT QAbstract3DInputHandler : public QObject

    Q_OBJECT

    Q_PROPERTY(InputView inputView READ inputView WRITE setInputView NOTIFY inputViewChanged)

    Q_PROPERTY(QPoint inputPosition READ inputPosition WRITE setInputPosition NOTIFY positionChanged)

    Q_PROPERTY(Q3DScene *scene READ scene WRITE setScene NOTIFY sceneChanged)

public:

    enum InputView {

        InputViewNone = 0,

        InputViewOnPrimary,

        InputViewOnSecondary

};

    Q_ENUM(InputView)

protected:

    explicit QAbstract3DInputHandler(QObject *parent = nullptr);

public:

    virtual ~QAbstract3DInputHandler();

    // Input event listeners

    virtual void mouseDoubleClickEvent(QMouseEvent *event);

    virtual void touchEvent(QTouchEvent *event);

    virtual void mousePressEvent(QMouseEvent *event, const QPoint &mousePos);

    virtual void mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos);

    virtual void mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos);

#if QT_CONFIG(wheelevent)

    virtual void wheelEvent(QWheelEvent *event);

#endif

    InputView inputView() const;

    void setInputView(InputView inputView);

    QPoint inputPosition() const;

    void setInputPosition(const QPoint &position);

    Q3DScene *scene() const;

    void setScene(Q3DScene *scene);

Q_SIGNALS:

    void positionChanged(const QPoint &position);

    void inputViewChanged(QAbstract3DInputHandler::InputView view);

    void sceneChanged(Q3DScene *scene);

protected:

    void setPrevDistance(int distance);

    int prevDistance() const;

    void setPreviousInputPos(const QPoint &position);

    QPoint previousInputPos() const;

private:

    Q_DISABLE_COPY(QAbstract3DInputHandler)

    QScopedPointer<QAbstract3DInputHandlerPrivate> d_ptr;

    friend class Abstract3DController;

    friend class QTouch3DInputHandlerPrivate;

};

QT_END_NAMESPACE

#endif