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29
30#ifndef THEMEWIDGET_H
31#define THEMEWIDGET_H
32
33#include <QtWidgets/QWidget>
34#include <QtCharts/QChartGlobal>
35
36QT_BEGIN_NAMESPACE
37class QComboBox;
38class QCheckBox;
39class Ui_ThemeWidgetForm;
40QT_END_NAMESPACE
41
42QT_CHARTS_BEGIN_NAMESPACE
43class QChartView;
44class QChart;
45QT_CHARTS_END_NAMESPACE
46
47typedef QPair<QPointF, QString> Data;
48typedef QList<Data> DataList;
49typedef QList<DataList> DataTable;
50
51QT_CHARTS_USE_NAMESPACE
52
53class ThemeWidget: public QWidget
54{
55 Q_OBJECT
56public:
57 explicit ThemeWidget(QWidget *parent = 0);
58 ~ThemeWidget();
59
60private Q_SLOTS:
61 void updateUI();
62
63private:
64 DataTable generateRandomData(int listCount, int valueMax, int valueCount) const;
65 void populateThemeBox();
66 void populateAnimationBox();
67 void populateLegendBox();
68 void connectSignals();
69 QChart *createAreaChart() const;
70 QChart *createBarChart(int valueCount) const;
71 QChart *createPieChart() const;
72 QChart *createLineChart() const;
73 QChart *createSplineChart() const;
74 QChart *createScatterChart() const;
75
76private:
77 int m_listCount;
78 int m_valueMax;
79 int m_valueCount;
80 QList<QChartView *> m_charts;
81 DataTable m_dataTable;
82
83 Ui_ThemeWidgetForm *m_ui;
84};
85
86#endif /* THEMEWIDGET_H */
87

source code of qtcharts/examples/charts/chartthemes/themewidget.h