qxymodelmapper_p.h

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// 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 QXYMODELMAPPER_P_H

#define QXYMODELMAPPER_P_H

#include <QtGraphs/QXYModelMapper>

#include <private/qobject_p.h>

#include <QtCore/qloggingcategory.h>

QT_BEGIN_NAMESPACE

Q_DECLARE_LOGGING_CATEGORY(lcModelMapper2D)

class QXYModelMapperPrivate : public QObjectPrivate

    Q_DECLARE_PUBLIC(QXYModelMapper)

public:

    QXYModelMapperPrivate();

    ~QXYModelMapperPrivate() override;

public Q_SLOTS:

    // for the model

    void onModelUpdated(QModelIndex topLeft, QModelIndex bottomRight);

    void onModelRowsAdded(QModelIndex parent, qsizetype start, qsizetype end);

    void onModelRowsRemoved(QModelIndex parent, qsizetype start, qsizetype end);

    void onModelColumnsAdded(QModelIndex parent, qsizetype start, qsizetype end);

    void onModelColumnsRemoved(QModelIndex parent, qsizetype start, qsizetype end);

    void onModelReset();

    void handleModelDestroyed();

    // for the series

    void onPointAdded(qsizetype pointIndex);

    void onPointRemoved(qsizetype pointIndex);

    void onPointsRemoved(qsizetype pointIndex, qsizetype count);

    void onPointReplaced(qsizetype pointIndex);

    void handleSeriesDestroyed();

    void initializeXYFromModel();

private:

    QModelIndex xModelIndex(qsizetype xIndex);

    QModelIndex yModelIndex(qsizetype yIndex);

    void insertData(int start, int end);

    void removeData(int start, int end);

    void blockModelSignals(bool block = true);

    void blockSeriesSignals(bool block = true);

    qreal valueFromModel(QModelIndex index);

    void setValueToModel(QModelIndex index, qreal value);

private:

    QXYSeries *m_series = nullptr;

    QAbstractItemModel *m_model = nullptr;

    qsizetype m_first = 0;

    qsizetype m_count = -1;

    Qt::Orientation m_orientation = Qt::Vertical;

    qsizetype m_xSection = -1;

    qsizetype m_ySection = -1;

    bool m_seriesSignalsBlock = false;

    bool m_modelSignalsBlock = false;

    Q_DISABLE_COPY_MOVE(QXYModelMapperPrivate)

};

QT_END_NAMESPACE

#endif // QXYMODELMAPPER_P_H