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3** Copyright (C) 2016 The Qt Company Ltd.
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29
30#ifndef MAINWIDGET_H
31#define MAINWIDGET_H
32
33#include <QtCharts/QChartGlobal>
34#include <QtCharts/QChart>
35#include <QtCharts/QChartView>
36#include <QtWidgets/QWidget>
37
38QT_BEGIN_NAMESPACE
39class QSpinBox;
40class QCheckBox;
41class QGridLayout;
42QT_END_NAMESPACE
43
44QT_CHARTS_USE_NAMESPACE
45
46#define RealList QList<qreal>
47class DataSerieDialog;
48
49class MainWidget : public QWidget
50{
51 Q_OBJECT
52public:
53 explicit MainWidget(QWidget *parent = 0);
54
55signals:
56
57private:
58 void initBackroundCombo(QGridLayout *grid);
59 void initScaleControls(QGridLayout *grid);
60 void initThemeCombo(QGridLayout *grid);
61 void initCheckboxes(QGridLayout *grid);
62
63private slots:
64 void addSeries();
65 void addSeries(QString series, int columnCount, int rowCount, QString dataCharacteristics, bool labelsEnabled);
66 void backgroundChanged(int itemIndex);
67 void autoScaleChanged(int value);
68 void xMinChanged(int value);
69 void xMaxChanged(int value);
70 void yMinChanged(int value);
71 void yMaxChanged(int value);
72 void antiAliasToggled(bool enabled);
73 void openGLToggled(bool enabled);
74 void changeChartTheme(int themeIndex);
75 QList<RealList> generateTestData(int columnCount, int rowCount, QString dataCharacteristics);
76 QStringList generateLabels(int count);
77
78private:
79 DataSerieDialog *m_addSerieDialog;
80 QChart *m_chart;
81 QChartView *m_chartView;
82 QCheckBox *m_autoScaleCheck;
83 QSpinBox *m_xMinSpin;
84 QSpinBox *m_xMaxSpin;
85 QSpinBox *m_yMinSpin;
86 QSpinBox *m_yMaxSpin;
87 QString m_defaultSeriesName;
88 QGridLayout *m_scatterLayout;
89};
90
91#endif // MAINWIDGET_H
92

source code of qtcharts/tests/manual/chartwidgettest/mainwidget.h