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3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
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6** This file is part of the Qt Charts module of the Qt Toolkit.
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29
30// W A R N I N G
31// -------------
32//
33// This file is not part of the Qt Chart API. It exists purely as an
34// implementation detail. This header file may change from version to
35// version without notice, or even be removed.
36//
37// We mean it.
38
39
40#ifndef BOXPLOTCHARTITEM_H
41#define BOXPLOTCHARTITEM_H
42
43#include <private/boxwhiskers_p.h>
44#include <QtCharts/QBoxPlotSeries>
45#include <QtCharts/private/qchartglobal_p.h>
46#include <private/chartitem_p.h>
47#include <private/boxplotanimation_p.h>
48#include <QtCharts/QBoxSet>
49#include <QtWidgets/QGraphicsItem>
50
51QT_CHARTS_BEGIN_NAMESPACE
52
53class BoxPlotSeriesPrivate;
54
55class Q_CHARTS_PRIVATE_EXPORT BoxPlotChartItem : public ChartItem
56{
57 Q_OBJECT
58public:
59 BoxPlotChartItem(QBoxPlotSeries *series, QGraphicsItem *item = 0);
60 ~BoxPlotChartItem();
61
62 void setAnimation(BoxPlotAnimation *animation);
63
64 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
65 QRectF boundingRect() const;
66
67public Q_SLOTS:
68 void handleSeriesVisibleChanged();
69 void handleOpacityChanged();
70 void handleDataStructureChanged();
71 void handleDomainUpdated();
72 void handleLayoutChanged();
73 void handleUpdatedBars();
74 void handleBoxsetRemove(QList<QBoxSet *> barSets);
75
76private:
77 virtual QVector<QRectF> calculateLayout();
78 void initializeLayout();
79 bool updateBoxGeometry(BoxWhiskers *box, int index);
80
81protected:
82 friend class QBoxPlotSeriesPrivate;
83 QBoxPlotSeries *m_series; // Not owned.
84 QList<BoxWhiskers *> m_boxes;
85 QHash<QBoxSet *, BoxWhiskers *> m_boxTable;
86 int m_seriesIndex;
87 int m_seriesCount;
88
89 BoxPlotAnimation *m_animation;
90
91 QRectF m_boundingRect;
92};
93
94QT_CHARTS_END_NAMESPACE
95
96#endif // BOXPLOTCHARTITEM_H
97

source code of qtcharts/src/charts/boxplotchart/boxplotchartitem_p.h