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kuniqueservice.h
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kuniqueservice.h
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#pragma once
/*
kuniqueservice.h
This file is part of Kleopatra, the KDE keymanager
SPDX-FileCopyrightText: 2016 Bundesamt für Sicherheit in der Informationstechnik
SPDX-FileContributor: Intevation GmbH
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <QObject>
#include <QString>
#include <QStringList>
/**
* This class can be used to create a unique service and redirect calls
* to this service similarly to KDBusService(KDBusService::Unique).
* @code
* YourApplication app(argc, argv);
*
* KUniqueService service;
* QObject::connect(&service, &KUniqueService::activateRequested,
* &app, &YourApplication::slotActivateRequested);
* QObject::connect(&app, &YourApplication::setExitValue,
* &service, [&service](int i) {
* service.setExitValue(i);
* });
* @endcode
* This will redirect calls to running instances over the
* the slotActivateRequested. When you set the exit
* value the calling process will afterwards exit with the
* code provided.
* If you do not set the exit value the application will not
* be terminated.
* @author Andre Heinecke (aheinecke@intevation.org)
*/
class KUniqueService : public QObject
{
Q_OBJECT
public:
/**
* Default constructor
*/
KUniqueService();
~KUniqueService() override;
public Q_SLOTS:
/**
* Set the exit @p code the second app should use to terminate.
* If unset it exits with 0.
* @param code The exit code.
*/
void setExitValue(int code);
Q_SIGNALS:
void activateRequested(const QStringList &arguments,
const QString &workingDirectory);
private:
void emitActivateRequested(const QStringList &arguments,
const QString &workingDirectory)
{
Q_EMIT activateRequested(arguments, workingDirectory);
}
class KUniqueServicePrivate;
Q_DECLARE_PRIVATE(KUniqueService)
KUniqueServicePrivate *d_ptr;
};

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