widget.h 范例文件

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#ifndef WIDGET_H
#define WIDGET_H
#include <QtWidgets/QWidget>
#include <QtCharts/QChartGlobal>
QT_CHARTS_BEGIN_NAMESPACE
class QLineSeries;
class QChart;
QT_CHARTS_END_NAMESPACE
QT_CHARTS_USE_NAMESPACE
class XYSeriesIODevice;
class QAudioInput;
class Widget : public QWidget
{
    Q_OBJECT
public:
    Widget(QWidget *parent = 0);
    ~Widget();
private:
    XYSeriesIODevice *m_device;
    QChart *m_chart;
    QLineSeries *m_series;
    QAudioInput *m_audioInput;
};
#endif // WIDGET_H