qgraphsinputhandler_p.h

Enable keyboard shortcuts

// Copyright (C) 2024 The Qt Company Ltd.

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

// Qt-Security score:significant reason:default

//

//  W A R N I N G

//  -------------

//

// This file is not part of the QtGraphs API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

#ifndef QGRAPHSINPUTHANDLER_P_H

#define QGRAPHSINPUTHANDLER_P_H

#include <QtQuick/qquickitem.h>

#include <QtGraphs/qgraphs3dnamespace.h>

QT_BEGIN_NAMESPACE

class QQuickGraphsItem;

class QQuickTapHandler;

class QQuickDragHandler;

class QQuickPinchHandler;

class QQuickWheelHandler;

class QQuickWheelEvent;

class QGraphsInputHandler : public QQuickItem

    Q_OBJECT

public:

    QGraphsInputHandler(QQuickItem *parent = nullptr);

    ~QGraphsInputHandler() override;

    void setGraphsItem(QQuickGraphsItem *item);

    QPoint pendingPoint() { return m_pendingPoint; }

    void setZoomEnabled(bool enable);

    bool isZoomEnabled();

    void setZoomAtTargetEnabled(bool enable);

    bool isZoomAtTargetEnabled();

    void setRotationEnabled(bool enable);

    bool isRotationEnabled();

    void setPanEnabled(bool enable);

    bool isPanEnabled();

    void setDragMode(QtGraphs3D::DragMode mode);

    QtGraphs3D::DragMode dragMode();

    void setSelectionEnabled(bool enable);

    bool isSelectionEnabled();

    void setDefaultInputHandler();

    void unsetDefaultInputHandler();

    void unsetDefaultTapHandler();

    void unsetDefaultDragHandler();

    void unsetDefaultWheelHandler();

    void unsetDefaultPinchHandler();

    void setDragButton(Qt::MouseButtons button);

    void setPanButton(Qt::MouseButtons button);

    void onTapped();

    void onTranslationChanged(QVector2D delta);

    void onGrabChanged(QPointingDevice::GrabTransition transition, QEventPoint point);

    void onWheel(QQuickWheelEvent *event);

    void onPinchScaleChanged(qreal delta);

    Q_SIGNAL void mouseMove(QPoint mousePos);

protected:

    void hoverMoveEvent(QHoverEvent *event) override;

private:

    QtGraphs3D::DragMode m_dragMode;

    struct {

        bool zoomEnabled : 1;

        bool zoomAtTarget : 1;

        bool rotationEnabled : 1;

        bool panEnabled : 1;

        bool selectionEnabled : 1;

    }  m_flags;

    QPoint m_pendingPoint;

    qreal m_pinchDiff;

    QQuickTapHandler *m_tapHandler;

    QQuickPinchHandler *m_pinchHandler;

    QQuickWheelHandler *m_wheelHandler;

    QQuickDragHandler *m_dragHandler;

    QQuickDragHandler *m_panHandler;

    QQuickGraphsItem *m_graphsItem;

};

QT_END_NAMESPACE

#endif // QGRAPHSINPUTHANDLER_P_H