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27	class QFocusEvent;	27	class QFocusEvent;
28	class QWheelEvent;	28	class QWheelEvent;
29		29
30	class ThermoWidget : public QwtDial	30	class ThermoWidget : public QwtDial
31	{	31	{
32	Q_OBJECT	32	Q_OBJECT
33		33
34	public:	34	public:
35	ThermoWidget(QWidget *parent, QString name);	35	ThermoWidget(QWidget *parent, const QString &name);
		36	~ThermoWidget() = default;
36		37
37	void drawNeedle(QPainter *painter, const QPointF &center,	38	void drawNeedle(QPainter *painter, const QPointF &center,
38	double radius, double dir, QPalette::ColorGroup colorGroup) const;	39	double radius, double dir, QPalette::ColorGroup colorGroup) const;
39		40
40	void setCurrentTemperature(double temperature);	41	void setCurrentTemperature(double temperature);
41	void setTargetTemperature(int temperature);	42	void setTargetTemperature(int temperature);
42		43
43	signals:	44	signals:
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