qpieseries.h - mozsearch

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

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

#ifndef QPIESERIES_H

#define QPIESERIES_H

#include <QtCharts/QAbstractSeries>

#include <QtCharts/QPieSlice>

QT_BEGIN_NAMESPACE

class QPieSeriesPrivate;

class Q_CHARTS_EXPORT QPieSeries : public QAbstractSeries

    Q_OBJECT

    Q_PROPERTY(qreal horizontalPosition READ horizontalPosition WRITE setHorizontalPosition)

    Q_PROPERTY(qreal verticalPosition READ verticalPosition WRITE setVerticalPosition)

    Q_PROPERTY(qreal size READ pieSize WRITE setPieSize)

    Q_PROPERTY(qreal startAngle READ pieStartAngle WRITE setPieStartAngle)

    Q_PROPERTY(qreal endAngle READ pieEndAngle WRITE setPieEndAngle)

    Q_PROPERTY(int count READ count NOTIFY countChanged)

    Q_PROPERTY(qreal sum READ sum NOTIFY sumChanged)

    Q_PROPERTY(qreal holeSize READ holeSize WRITE setHoleSize)

public:

    explicit QPieSeries(QObject *parent = nullptr);

    virtual ~QPieSeries();

    QAbstractSeries::SeriesType type() const override;

    bool append(QPieSlice *slice);

    bool append(const QList<QPieSlice *> &slices);

    QPieSeries &operator << (QPieSlice *slice);

    QPieSlice *append(const QString &label, qreal value);

    bool insert(int index, QPieSlice *slice);

    bool remove(QPieSlice *slice);

    bool take(QPieSlice *slice);

    void clear();

    QList<QPieSlice *> slices() const;

    int count() const;

    bool isEmpty() const;

    qreal sum() const;

    void setHoleSize(qreal holeSize);

    qreal holeSize() const;

    void setHorizontalPosition(qreal relativePosition);

    qreal horizontalPosition() const;

    void setVerticalPosition(qreal relativePosition);

    qreal verticalPosition() const;

    void setPieSize(qreal relativeSize);

    qreal pieSize() const;

    void setPieStartAngle(qreal startAngle);

    qreal pieStartAngle() const;

    void setPieEndAngle(qreal endAngle);

    qreal pieEndAngle() const;

    void setLabelsVisible(bool visible = true);

    void setLabelsPosition(QPieSlice::LabelPosition position);

Q_SIGNALS:

    void added(const QList<QPieSlice *> &slices);

    void removed(const QList<QPieSlice *> &slices);

    void clicked(QPieSlice *slice);

    void hovered(QPieSlice *slice, bool state);

    void pressed(QPieSlice *slice);

    void released(QPieSlice *slice);

    void doubleClicked(QPieSlice *slice);

    void countChanged();

    void sumChanged();

private:

    Q_DECLARE_PRIVATE(QPieSeries)

    Q_DISABLE_COPY(QPieSeries)

    friend class PieChartItem;

};

QT_END_NAMESPACE

#endif // QPIESERIES_H