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Diffstat (limited to 'src/libs/kdtools/kdselfrestarter.cpp')
-rw-r--r-- | src/libs/kdtools/kdselfrestarter.cpp | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/libs/kdtools/kdselfrestarter.cpp b/src/libs/kdtools/kdselfrestarter.cpp new file mode 100644 index 000000000..22457bd92 --- /dev/null +++ b/src/libs/kdtools/kdselfrestarter.cpp @@ -0,0 +1,87 @@ +/**************************************************************************** +** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB. All rights reserved. +** +** This file is part of the KD Tools library. +** +** Licensees holding valid commercial KD Tools licenses may use this file in +** accordance with the KD Tools Commercial License Agreement provided with +** the Software. +** +** +** This file may be distributed and/or modified under the terms of the +** GNU Lesser General Public License version 2 and version 3 as published by the +** Free Software Foundation and appearing in the file LICENSE.LGPL included. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** Contact info@kdab.com if any conditions of this licensing are not +** clear to you. +** +**********************************************************************/ + +#include "kdselfrestarter.h" + +#include <QtCore/QCoreApplication> +#include <QtCore/QDir> +#include <QtCore/QProcess> + +class KDSelfRestarter::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 KDSelfRestarter *instance; +}; + +KDSelfRestarter *KDSelfRestarter::Private::instance = 0; + +KDSelfRestarter::KDSelfRestarter(int argc, char *argv[]) + : d(new Private(argc, argv)) +{ + Q_ASSERT_X(!Private::instance, Q_FUNC_INFO, "Cannot create more than one KDSelfRestarter instance"); + Private::instance = this; +} + +KDSelfRestarter::~KDSelfRestarter() +{ + Q_ASSERT_X(Private::instance == this, Q_FUNC_INFO, "Cannot create more than one KDSelfRestarter instance"); + delete d; + Private::instance = 0; +} + +void KDSelfRestarter::setRestartOnQuit(bool restart) +{ + Q_ASSERT_X(Private::instance, Q_FUNC_INFO, "KDSelfRestarter instance must be created in main()"); + if (Private::instance) + Private::instance->d->restartOnQuit = restart; +} + +bool KDSelfRestarter::restartOnQuit() +{ + return Private::instance ? Private::instance->d->restartOnQuit : false; +} |