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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef SIGNALSANDSLOTS_H
#define SIGNALSANDSLOTS_H
#define Counter PlainCounter
//! [0]
class Counter
{
public:
Counter() { m_value = 0; }
int value() const { return m_value; }
void setValue(int value);
private:
int m_value;
};
//! [0]
#undef Counter
#define Counter ObjectCounter
//! [1]
#include <QObject>
//! [1]
//! [2]
class Counter : public QObject
//! [2] //! [3]
{
Q_OBJECT
// Note. The Q_OBJECT macro starts a private section.
// To declare public members, use the 'public:' access modifier.
public:
Counter() { m_value = 0; }
int value() const { return m_value; }
public slots:
void setValue(int value);
signals:
void valueChanged(int newValue);
private:
int m_value;
};
//! [3]
#endif
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