Revision control
++ // Copyright (C) 2016 Alex Trotsenko <alex1973tr@gmail.com>
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #ifndef CONSUMER_H
++ #define CONSUMER_H
++
++ #include <QObject>
++ #include <QByteArray>
++
++ QT_BEGIN_NAMESPACE
++ class QWidget;
++ QT_END_NAMESPACE
++
++ class Consumer : public QObject
++ {
++ Q_OBJECT
++ public:
++ explicit inline Consumer(QObject *parent = nullptr) : QObject(parent) { }
++
++ virtual QWidget *widget() = 0;
++ virtual void readDatagram(const QByteArray &ba) = 0;
++ virtual void serverDisconnected() { }
++
++ signals:
++ void writeDatagram(const QByteArray &ba);
++ };
++
++ #endif