1// Copyright (C) 2024 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
3
4#ifndef QTGRAPHS_QPIESERIES_H
5#define QTGRAPHS_QPIESERIES_H
6
7#include <QtGraphs/qabstractseries.h>
8#include <QtGraphs/qgraphsglobal.h>
9#include <QtGraphs/qpieslice.h>
10
11QT_BEGIN_NAMESPACE
12
13class QPieSeriesPrivate;
14
15class Q_GRAPHS_EXPORT QPieSeries : public QAbstractSeries
16{
17 Q_OBJECT
18 Q_PROPERTY(qreal horizontalPosition READ horizontalPosition WRITE setHorizontalPosition NOTIFY
19 horizontalPositionChanged FINAL)
20 Q_PROPERTY(qreal verticalPosition READ verticalPosition WRITE setVerticalPosition NOTIFY
21 verticalPositionChanged FINAL)
22 Q_PROPERTY(qreal pieSize READ pieSize WRITE setPieSize NOTIFY pieSizeChanged FINAL)
23 Q_PROPERTY(qreal startAngle READ startAngle WRITE setStartAngle NOTIFY startAngleChanged FINAL)
24 Q_PROPERTY(qreal endAngle READ endAngle WRITE setEndAngle NOTIFY endAngleChanged FINAL)
25 Q_PROPERTY(qsizetype count READ count NOTIFY countChanged FINAL)
26 Q_PROPERTY(qreal sum READ sum NOTIFY sumChanged FINAL)
27 Q_PROPERTY(qreal holeSize READ holeSize WRITE setHoleSize NOTIFY holeSizeChanged FINAL)
28 QML_NAMED_ELEMENT(PieSeries)
29
30public:
31 explicit QPieSeries(QObject *parent = nullptr);
32 ~QPieSeries() override;
33 QAbstractSeries::SeriesType type() const override;
34
35 Q_INVOKABLE bool append(QPieSlice *slice);
36 Q_INVOKABLE bool append(const QList<QPieSlice *> &slices);
37 Q_INVOKABLE bool insert(qsizetype index, QPieSlice *slice);
38 Q_INVOKABLE bool remove(QPieSlice *slice);
39 Q_INVOKABLE void clear();
40 Q_INVOKABLE QPieSlice *append(const QString &label, qreal value);
41 Q_INVOKABLE QPieSlice *at(qsizetype index);
42 Q_INVOKABLE QPieSlice *find(const QString &label);
43 Q_INVOKABLE bool replace(qsizetype index, QPieSlice *slice);
44 Q_INVOKABLE void removeMultiple(qsizetype index, int count);
45 Q_INVOKABLE bool remove(qsizetype index);
46 Q_INVOKABLE bool replace(QPieSlice *oldSlice, QPieSlice *newSlice);
47 Q_INVOKABLE bool replace(const QList<QPieSlice *> &slices);
48 Q_INVOKABLE bool take(QPieSlice *slice);
49
50 QPieSeries &operator<<(QPieSlice *slice);
51
52 QList<QPieSlice *> slices() const;
53 qsizetype count() const;
54
55 bool isEmpty() const;
56
57 qreal sum() const;
58
59 void setHorizontalPosition(qreal relativePosition);
60 qreal horizontalPosition() const;
61
62 void setVerticalPosition(qreal relativePosition);
63 qreal verticalPosition() const;
64 void setPieSize(qreal relativeSize);
65 qreal pieSize() const;
66
67 void setStartAngle(qreal startAngle);
68 qreal startAngle() const;
69
70 void setEndAngle(qreal endAngle);
71 qreal endAngle() const;
72
73 void setHoleSize(qreal holeSize);
74 qreal holeSize() const;
75
76 void setLabelsVisible(bool visible);
77 void setLabelsPosition(QPieSlice::LabelPosition position);
78
79public Q_SLOTS:
80 void handleSliceChange();
81
82protected:
83 QPieSeries(QPieSeriesPrivate &dd, QObject *parent = nullptr);
84 void componentComplete() override;
85
86Q_SIGNALS:
87 void added(const QList<QPieSlice *> &slices);
88 void removed(const QList<QPieSlice *> &slices);
89 void replaced(const QList<QPieSlice *> &slices);
90 void countChanged();
91 void sumChanged();
92 void pieSizeChanged();
93 void startAngleChanged();
94 void endAngleChanged();
95 void horizontalPositionChanged();
96 void verticalPositionChanged();
97 void holeSizeChanged();
98
99private:
100 friend class PieRenderer;
101 Q_DECLARE_PRIVATE(QPieSeries)
102 Q_DISABLE_COPY(QPieSeries)
103};
104
105QT_END_NAMESPACE
106
107#endif // QTGRAPHS_QPIESERIES_H
108

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source code of qtgraphs/src/graphs2d/piechart/qpieseries.h