File: SignalMeter.h

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#ifndef SIGNALMETER_HPP__
#define SIGNALMETER_HPP__

#include <QWidget>

class QLabel;

class SignalMeter final : public QWidget {
    Q_OBJECT

  public:
    // Constructor

    explicit SignalMeter(QWidget *parent = nullptr);

    // Slots

    Q_SLOT void setValue(float value, float valueMax);

  private:
    // Forward declarations

    class Scale;
    class Meter;

    // Data members

    Scale *m_scale;
    Meter *m_meter;
    QLabel *m_value;
};

#endif // SIGNALMETER_HPP__