scatter3dcontroller_p.h

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

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

//

//  W A R N I N G

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

//

// This file is not part of the QtDataVisualization 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 Q3DSCATTERCONTROLLER_p_H

#define Q3DSCATTERCONTROLLER_p_H

#include <private/datavisualizationglobal_p.h>

#include <private/abstract3dcontroller_p.h>

QT_BEGIN_NAMESPACE

class Scatter3DRenderer;

class QScatterDataProxy;

class QScatter3DSeries;

struct Scatter3DChangeBitField {

    bool selectedItemChanged : 1;

    bool itemChanged         : 1;

    Scatter3DChangeBitField() :

        selectedItemChanged(true),

        itemChanged(false)

};

class Q_DATAVISUALIZATION_EXPORT Scatter3DController : public Abstract3DController

    Q_OBJECT

public:

    struct ChangeItem {

        QScatter3DSeries *series;

        int index;

};

private:

    Scatter3DChangeBitField m_changeTracker;

    QList<ChangeItem> m_changedItems;

    // Rendering

    Scatter3DRenderer *m_renderer;

    int m_selectedItem;

    QScatter3DSeries *m_selectedItemSeries; // Points to the series for which the bar is selected

                                            // in single series selection cases.

    struct InsertRemoveRecord {

        bool m_isInsert;

        int m_startIndex;

        int m_count;

        QAbstract3DSeries *m_series;

        InsertRemoveRecord() :

            m_isInsert(false),

            m_startIndex(0),

            m_count(0),

            m_series(0)

{}

        InsertRemoveRecord(bool isInsert, int startIndex, int count, QAbstract3DSeries *series) :

            m_isInsert(isInsert),

            m_startIndex(startIndex),

            m_count(count),

            m_series(series)

{}

};

    QList<InsertRemoveRecord> m_insertRemoveRecords;

    bool m_recordInsertsAndRemoves;

public:

    explicit Scatter3DController(QRect rect, Q3DScene *scene = 0);

    ~Scatter3DController();

    void initializeOpenGL() override;

    // Change selection mode

    void setSelectionMode(QAbstract3DGraph::SelectionFlags mode) override;

    inline QScatter3DSeries *selectedSeries() const { return m_selectedItemSeries; }

    void setSelectedItem(int index, QScatter3DSeries *series);

    static inline int invalidSelectionIndex() { return -1; }

    void clearSelection() override;

    void synchDataToRenderer() override;

    void addSeries(QAbstract3DSeries *series) override;

    void removeSeries(QAbstract3DSeries *series) override;

    virtual QList<QScatter3DSeries *> scatterSeriesList();

    void handleAxisAutoAdjustRangeChangedInOrientation(

            QAbstract3DAxis::AxisOrientation orientation, bool autoAdjust) override;

    void handleAxisRangeChangedBySender(QObject *sender) override;

    void handlePendingClick() override;

    void adjustAxisRanges() override;

public Q_SLOTS:

    void handleArrayReset();

    void handleItemsAdded(int startIndex, int count);

    void handleItemsChanged(int startIndex, int count);

    void handleItemsRemoved(int startIndex, int count);

    void handleItemsInserted(int startIndex, int count);

Q_SIGNALS:

    void selectedSeriesChanged(QScatter3DSeries *series);

protected:

    void startRecordingRemovesAndInserts() override;

private:

    Q_DISABLE_COPY(Scatter3DController)

};

QT_END_NAMESPACE

#endif