Method handleLockedSession

kdevplatform/shell/sessionlock.cpp:135–221

}

QString SessionLock::handleLockedSession(const QString& sessionName, const QString& sessionId,
                                         const SessionRunInfo& runInfo)
{
    if( !runInfo.isRunning ) {
        return sessionId;
    }

    // try to make the locked session active
    {
        // The timeout for "ensureVisible" call
        // Leave it sufficiently low to avoid waiting for hung instances.
        static const int timeout_ms = 1000;

        QDBusMessage message = QDBusMessage::createMethodCall( dBusServiceNameForSession(sessionId),
                                                                QStringLiteral("/kdevelop/MainWindow"),
                                                                QStringLiteral("org.kdevelop.MainWindow"),
                                                                QStringLiteral("ensureVisible") );
        QDBusMessage reply = QDBusConnection::sessionBus().call( message,
                                                                    QDBus::Block,
                                                                    timeout_ms );
        if( reply.type() == QDBusMessage::ReplyMessage ) {
            QTextStream out(stdout);
            out << i18nc(
                "@info:shell",
                "Running %1 instance (PID: %2) detected, making this one visible instead of starting a new one",
                runInfo.holderApp, runInfo.holderPid)
                << Qt::endl;
            return QString();
        } else {
            qCWarning(SHELL) << i18nc("@info:shell", "Running %1 instance (PID: %2) is apparently hung", runInfo.holderApp, runInfo.holderPid);
        }
    }

    // otherwise ask the user whether we should retry
    QString problemDescription = i18nc("@info",
                                "The given application did not respond to a DBUS call, "
                                "it may have crashed or is hanging.");

    QString problemHeader;
    if( runInfo.holderPid != -1 ) {
        problemHeader = i18nc("@info", "Failed to lock the session <em>%1</em>, "
                              "already locked by %2 on %3 (PID %4).",
                              sessionName, runInfo.holderApp, runInfo.holderHostname, runInfo.holderPid);
    } else {
        problemHeader = i18nc("@info", "Failed to lock the session <em>%1</em> (lock-file unavailable).",
                              sessionName);
    }

    QString problemResolution = i18nc("@info", "<p>Please, close the offending application instance "
                                  "or choose another session to launch.</p>");

    QString errmsg = QLatin1String("<p>") + problemHeader + QLatin1String("<br>") + problemDescription + QLatin1String("</p>") + problemResolution;

    KGuiItem retry = KStandardGuiItem::cont();
    retry.setText(i18nc("@action:button", "Retry Startup"));

    KGuiItem choose = KStandardGuiItem::configure();
    choose.setText(i18nc("@action:button", "Choose Another Session"));