qt-everywhere-src-5.15.1/qtcharts/src/chartsqml2/declarativepieseries_p.h

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//  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 DECLARATIVEPIESERIES_H
#define DECLARATIVEPIESERIES_H

#include <QtCharts/QPieSeries>
#include <QtCharts/QPieSlice>
#include <private/declarativechartglobal_p.h>

#include <QtQuick/QQuickItem>
#include <QtQml/QQmlParserStatus>

QT_CHARTS_BEGIN_NAMESPACE

class Q_QMLCHARTS_PRIVATE_EXPORT DeclarativePieSlice : public QPieSlice
{
    Q_OBJECT
    Q_PROPERTY(QString brushFilename READ brushFilename WRITE setBrushFilename NOTIFY brushFilenameChanged)

public:
    explicit DeclarativePieSlice(QObject *parent = 0);
    QString brushFilename() const;
    void setBrushFilename(const QString &brushFilename);

Q_SIGNALS:
    void brushFilenameChanged(const QString &brushFilename);

private Q_SLOTS:
    void handleBrushChanged();

private:
    QString m_brushFilename;
    QImage m_brushImage;
};

class DeclarativePieSeries : public QPieSeries, public QQmlParserStatus
{
    Q_OBJECT
    Q_INTERFACES(QQmlParserStatus)
    Q_PROPERTY(QQmlListProperty<QObject> seriesChildren READ seriesChildren)
    Q_CLASSINFO("DefaultProperty", "seriesChildren")

public:
    explicit DeclarativePieSeries(QQuickItem *parent = 0);
    QQmlListProperty<QObject> seriesChildren();
    Q_INVOKABLE QPieSlice *at(int index);
    Q_INVOKABLE QPieSlice *find(QString label);
    Q_INVOKABLE DeclarativePieSlice *append(QString label, qreal value);
    Q_INVOKABLE bool remove(QPieSlice *slice);
    Q_INVOKABLE void clear();

public:
    void classBegin();
    void componentComplete();

Q_SIGNALS:
    void sliceAdded(QPieSlice *slice);
    void sliceRemoved(QPieSlice *slice);

public Q_SLOTS:
    static void appendSeriesChildren(QQmlListProperty<QObject> *list, QObject *element);
    void handleAdded(QList<QPieSlice *> slices);
    void handleRemoved(QList<QPieSlice *> slices);
};

QT_CHARTS_END_NAMESPACE

#endif // DECLARATIVEPIESERIES_H