1 files changed, 98 insertions, 0 deletions
diff --git a/src/libs/kdtools/selfrestarter.cpp b/src/libs/kdtools/selfrestarter.cpp
new file mode 100644
index 000000000..6f990cf90
--- /dev/null
+++ b/src/libs/kdtools/selfrestarter.cpp
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB)
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Installer Framework.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "selfrestarter.h"
+
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDir>
+#include <QtCore/QProcess>
+
+class SelfRestarter::Private
+{
+public:
+    Private(int argc, char *argv[])
+        : restartOnQuit(false)
+    {
+        executable = QString::fromLocal8Bit(argv[0]);
+        workingPath = QDir::currentPath();
+        for (int i = 1; i < argc; ++i)
+            args << QString::fromLocal8Bit(argv[i]);
+    }
+
+    Private()
+    {
+        executable = qApp->applicationFilePath();
+        workingPath = QDir::currentPath();
+        args = qApp->arguments().mid(1);
+    }
+
+    ~Private()
+    {
+        if (restartOnQuit)
+            QProcess::startDetached(executable, args, workingPath);
+    }
+
+    QString executable;
+    QStringList args;
+    bool restartOnQuit;
+    QString workingPath;
+    static SelfRestarter *instance;
+};
+
+SelfRestarter *SelfRestarter::Private::instance = 0;
+
+SelfRestarter::SelfRestarter(int argc, char *argv[])
+    : d(new Private(argc, argv))
+{
+    Q_ASSERT_X(!Private::instance, Q_FUNC_INFO, "Cannot create more than one SelfRestarter instance");
+    Private::instance = this;
+}
+
+SelfRestarter::~SelfRestarter()
+{
+    Q_ASSERT_X(Private::instance == this, Q_FUNC_INFO, "Cannot create more than one SelfRestarter instance");
+    delete d;
+    Private::instance = 0;
+}
+
+void SelfRestarter::setRestartOnQuit(bool restart)
+{
+    Q_ASSERT_X(Private::instance, Q_FUNC_INFO, "SelfRestarter instance must be created in main()");
+    if (Private::instance)
+        Private::instance->d->restartOnQuit = restart;
+}
+
+bool SelfRestarter::restartOnQuit()
+{
+    return Private::instance ? Private::instance->d->restartOnQuit : false;
+}