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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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6e7e895bae
git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@3581 bfdf4180-ca20-0410-9c96-a3a8aa849046
61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
/*
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Copyright 2006-2014 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef QET_SINGLE_APPLICATION_H
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#define QET_SINGLE_APPLICATION_H
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#include <QApplication>
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#include <QSharedMemory>
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#include <QLocalServer>
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/**
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This class represents a Qt Application executing only a single instance
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depending on a unique string key.
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*/
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class QETSingleApplication : public QApplication {
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Q_OBJECT
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// constructors, destructor
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public:
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QETSingleApplication(int &, char **, const QString);
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virtual ~QETSingleApplication();
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private:
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QETSingleApplication(const QETSingleApplication &);
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// methods
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public:
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bool isRunning();
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bool sendMessage(const QString &);
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public slots:
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void receiveMessage();
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signals:
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void messageAvailable(QString);
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// attributes
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private:
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bool is_running_;
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QString unique_key_;
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#if defined (Q_OS_OS2)
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#define QT_NO_SHAREDMEMORY
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#else
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QSharedMemory shared_memory_;
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#endif
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QLocalServer *local_server_;
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static const int timeout_;
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};
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#endif
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