58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
#include "singleapplicationmanager.h"
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#include <QDataStream>
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#include <QLocalServer>
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#include <QLocalSocket>
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SingleApplicationManager::SingleApplicationManager(QString applicationKey, QObject *parent)
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: QObject(parent)
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, m_applicationKey(applicationKey)
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{
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}
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void SingleApplicationManager::on_localSocket_newConnection()
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{
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QScopedPointer<QLocalSocket> socket(m_localServer->nextPendingConnection());
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if (socket) {
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socket->waitForReadyRead(500);
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QDataStream dataStream(socket.data());
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QVariant data;
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dataStream.startTransaction();
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dataStream >> data;
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dataStream.commitTransaction();
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emit dataReached(data);
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}
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}
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void SingleApplicationManager::createSingleInstance()
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{
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m_localServer = new QLocalServer(this);
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connect(m_localServer, &QLocalServer::newConnection, this, &SingleApplicationManager::on_localSocket_newConnection);
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if (!m_localServer->listen(m_applicationKey)) {
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if (m_localServer->serverError() == QAbstractSocket::AddressInUseError) {
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QLocalServer::removeServer(m_applicationKey);
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m_localServer->listen(m_applicationKey);
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}
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}
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}
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bool SingleApplicationManager::checkSingleInstance(QVariant data)
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{
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QLocalSocket socket;
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socket.connectToServer(m_applicationKey);
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if (socket.waitForConnected(500)) {
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QDataStream dataStream(&socket);
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dataStream << data;
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socket.waitForBytesWritten();
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socket.close();
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return true;
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}
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return false;
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}
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