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3** Copyright (C) 2016 The Qt Company Ltd.
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29
30#ifndef DRILLDOWNSERIES_H
31#define DRILLDOWNSERIES_H
32
33#include <QtCharts/QStackedBarSeries>
34#include <QtCore/QMap>
35
36QT_CHARTS_USE_NAMESPACE
37
38//! [1]
39class DrilldownBarSeries : public QStackedBarSeries
40{
41 Q_OBJECT
42public:
43 DrilldownBarSeries(QStringList categories, int maxValue, QObject *parent = 0);
44
45 void mapDrilldownSeries(int index, DrilldownBarSeries *drilldownSeries);
46
47 DrilldownBarSeries *drilldownSeries(int index);
48
49 QStringList categories();
50
51 int maxValue();
52
53private:
54 QMap<int, DrilldownBarSeries *> m_DrilldownSeries;
55 QStringList m_categories;
56 int m_maxValue;
57};
58//! [1]
59
60#endif // DRILLDOWNSERIES_H
61

source code of qtcharts/examples/charts/stackedbarchartdrilldown/drilldownseries.h