Counter.h

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// ======================================================================
//  Counter.h
// ======================================================================
//                   This file is a part of the book 
//             "Qt 5.10 Professional programming with C++"
//                       http://qt-book.com
// ======================================================================
//  Copyright (c) 2017 by Max Schlee
// ======================================================================

#pragma once

#include <QObject>

// ======================================================================
class Counter : public QObject {
    Q_OBJECT
private:
    int m_nValue;

public:
    Counter();

public slots:
    void slotInc();

signals:
    void goodbye       (   );
    void counterChanged(int);
};