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#ifndef INPUTQUEUE_H
#define INPUTQUEUE_H
//===-- qlogo/reader.h - Reader class definition -------*- C++ -*-===//
//
// Copyright 2017-2024 Jason Sikes
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted under the conditions specified in the
// license found in the LICENSE file in the project root.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file contains the declarations of the InputQueueThread and InputQueue,
/// which create a separate thread to wait for data and subsequently read data
/// from the input queue.
//===----------------------------------------------------------------------===//
#include <QByteArray>
#include <QEventLoop>
#include <QThread>
class InputQueueThread : public QThread
{
Q_OBJECT
void run() Q_DECL_OVERRIDE;
public:
/// @brief Constructor
/// @param parent The Qt parent object
explicit InputQueueThread(QObject *parent = nullptr);
signals:
/// @brief Signal to indicate that a message is available
void sendMessageSignal();
};
class InputQueue : public QObject
{
Q_OBJECT
InputQueueThread thread;
QByteArray message;
QEventLoop eventLoop;
private slots:
// Connected to sendMessage signal from thread.
void receiveMessageSlot();
public:
/// @brief Constructor
/// @param parent The Qt parent object
explicit InputQueue(QObject *parent = nullptr);
/// @brief Start the input thread.
void startQueue();
/// @brief Stop the input thread.
void stopQueue();
/// @brief Get a message.
/// @return The message.
/// Will halt until message is available.
QByteArray getMessage();
/// @brief Ask if there is a message in the queue
/// @return True if there is a message, false otherwise
bool isMessageAvailable();
};
#endif // INPUTQUEUE_H
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