Replace SingleApplication with KDSingleApplication

3rdparty/kdsingleapplication/kdsingleapplication.h

@@ -0,0 +1,48 @@
+/*
+  This file is part of KDSingleApplication.
+
+  SPDX-FileCopyrightText: 2019-2023 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+
+  SPDX-License-Identifier: MIT
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+#ifndef KDSINGLEAPPLICATION_H
+#define KDSINGLEAPPLICATION_H
+
+#include <QtCore/QObject>
+
+#include <memory>
+
+#include "kdsingleapplication_lib.h"
+
+class KDSingleApplicationPrivate;
+
+class KDSINGLEAPPLICATION_EXPORT KDSingleApplication : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QString name READ name CONSTANT)
+    Q_PROPERTY(bool isPrimaryInstance READ isPrimaryInstance CONSTANT)
+
+public:
+    explicit KDSingleApplication(QObject *parent = nullptr);
+    explicit KDSingleApplication(const QString &name, QObject *parent = nullptr);
+    ~KDSingleApplication();
+
+    QString name() const;
+    bool isPrimaryInstance() const;
+
+public Q_SLOTS:
+    // avoid default arguments and overloads, as they don't mix with connections
+    bool sendMessage(const QByteArray &message);
+    bool sendMessageWithTimeout(const QByteArray &message, int timeout);
+
+Q_SIGNALS:
+    void messageReceived(const QByteArray &message);
+
+private:
+    Q_DECLARE_PRIVATE(KDSingleApplication)
+    std::unique_ptr<KDSingleApplicationPrivate> d_ptr;
+};
+
+#endif // KDSINGLEAPPLICATION_H