single_application.h

/*
 * taken from http://www.qtcentre.org/wiki/index.php?title=SingleApplication
 * LGPL'ed source code
 * modified by Peter Semiletov
 * 
 */

#ifndef SINGLE_APP_H
#define SINGLE_APP_H

#include <QApplication>

#ifndef Q_OS_OS2
#include <QSharedMemory>
#endif

#include <QLocalServer>

class CSingleApplication : public QApplication
{
        Q_OBJECT
public:
        CSingleApplication (int &argc, char *argv[], const QString uniqueKey);

        bool isRunning();
        bool sendMessage(const QString &message);

        static int cursorFlashTime() {return 0;}; 

public slots:
        void receiveMessage();

signals:
        void messageAvailable(QString message);

private:
        bool _isRunning;
        QString _uniqueKey;

#ifndef Q_OS_OS2

        QSharedMemory sharedMemory;
        
#endif        
        QLocalServer *localServer;

        static const int timeout = 1000;
};

#endif // SINGLE_APP_H