singleapplication.h

// SPDX-FileCopyrightText: 2014 Anne Jan Brouwer
// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef SRC_SINGLEAPPLICATION_H_
#define SRC_SINGLEAPPLICATION_H_
 
#include <QApplication>
#include <QLocalServer>
#include <QSharedMemory>

class SingleApplication : public QApplication {
  Q_OBJECT
 
public:
  SingleApplication(int &argc, char *argv[], QString uniqueKey);
  auto isRunning() -> bool;
  auto sendMessage(const QString &message) -> bool;
 
public slots:
  void receiveMessage();
 
signals:
  void messageAvailable(const QString &message);
 
private:
  bool _isRunning;
  QString _uniqueKey;
  QSharedMemory sharedMemory;
  QScopedPointer<QLocalServer> localServer;
 
  static const int timeout = 1000;
};
 
#endif // SRC_SINGLEAPPLICATION_H_