xychart_p.h - mozsearch

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// Copyright (C) 2021 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 Qt Chart 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 XYCHART_H

#define XYCHART_H

#include <QtCharts/QChartGlobal>

#include <private/chartitem_p.h>

#include <private/xyanimation_p.h>

#include <QtCharts/QValueAxis>

#include <QtCharts/QXYSeries>

#include <QtCharts/private/qchartglobal_p.h>

#include <QtGui/QPen>

QT_BEGIN_NAMESPACE

class ChartPresenter;

class Q_CHARTS_EXPORT XYChart :  public ChartItem

    Q_OBJECT

public:

    explicit XYChart(QXYSeries *series,QGraphicsItem *item = 0);

    ~XYChart() {}

    void setGeometryPoints(const QList<QPointF> &points);

    QList<QPointF> geometryPoints() const { return m_points; }

    void setAnimation(XYAnimation *animation);

    ChartAnimation *animation() const override { return m_animation; }

    virtual void updateGeometry() = 0;

    bool isDirty() const { return m_dirty; }

    void setDirty(bool dirty);

    void getSeriesRanges(qreal &minX, qreal &maxX, qreal &minY, qreal &maxY);

    QList<bool> offGridStatusVector();

public Q_SLOTS:

    void handlePointAdded(int index);

    void handlePointRemoved(int index);

    void handlePointsRemoved(int index, int count);

    void handlePointReplaced(int index);

    void handlePointsReplaced();

    void handleDomainUpdated() override;

    virtual void handleSeriesUpdated();

Q_SIGNALS:

    void clicked(const QPointF &point);

    void hovered(const QPointF &point, bool state);

    void pressed(const QPointF &point);

    void released(const QPointF &point);

    void doubleClicked(const QPointF &point);

protected:

    virtual void updateChart(const QList<QPointF> &oldPoints, const QList<QPointF> &newPoints,

                             int index = -1);

    virtual void updateGlChart();

    virtual void refreshGlChart();

    QPointF matchForLightMarker(const QPointF &eventPos) const;

private:

    inline bool isEmpty();

protected:

    QPointF hoverPoint(const QPointF &eventPos) const;

    static bool fuzzyComparePointF(const QPointF &p1, const QPointF &p2);

    QXYSeries *m_series;

    QList<QPointF> m_points;

    QList<int> m_selectedPoints;

    QColor m_selectedColor;

    XYAnimation *m_animation;

    bool m_dirty;

    QHash<int, QHash<QXYSeries::PointConfiguration, QVariant>> m_pointsConfiguration;

    friend class AreaChartItem;

};

QT_END_NAMESPACE

#endif