File indexing completed on 2024-11-24 05:00:24

 /*
     SPDX-FileCopyrightText: 2017 Weng Xuetian <wengxt@gmail.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "config-kimpanel.h"
 #include <QCoreApplication>
 #include <QDBusConnection>
 #include <QDBusConnectionInterface>
 #include <QDBusServiceWatcher>
 #include <QProcess>
 
 class IBusPanelLauncher : public QCoreApplication
 {
     Q_OBJECT
 public:
     IBusPanelLauncher(int &argc, char *argv[])
         : QCoreApplication(argc, argv)
         , m_watcher(new QDBusServiceWatcher(this))
     {
         m_watcher->setConnection(QDBusConnection::sessionBus());
         QMetaObject::invokeMethod(this, "init", Qt::QueuedConnection);
     }
 
 public Q_SLOTS:
     void init()
     {
         // already a launcher running
         if (!QDBusConnection::sessionBus().registerService(QStringLiteral("org.kde.impanel.IBusPanelLauncher"))) {
             quit();
             return;
         }
         // Check if applet is still there.
         connect(m_watcher, &QDBusServiceWatcher::serviceUnregistered, this, &IBusPanelLauncher::serviceUnregistered);
         connect(m_watcher, &QDBusServiceWatcher::serviceRegistered, this, &IBusPanelLauncher::serviceRegistered);
         m_watcher->addWatchedService(QStringLiteral("org.kde.impanel"));
         m_watcher->addWatchedService(QStringLiteral("org.freedesktop.IBus"));
 
         // check if panel is already created
         QDBusConnection::sessionBus().connect(QStringLiteral("org.kde.impanel"),
                                               QStringLiteral("/org/kde/impanel"),
                                               QStringLiteral("org.kde.impanel2"),
                                               QStringLiteral("PanelRegistered"),
                                               this,
                                               SLOT(quit()));
         if (!QDBusConnection::sessionBus().interface()->isServiceRegistered(QStringLiteral("org.kde.impanel"))) {
             quit();
             return;
         }
         if (QDBusConnection::sessionBus().interface()->isServiceRegistered(QStringLiteral("org.freedesktop.IBus"))) {
             serviceRegistered(QStringLiteral("org.freedesktop.IBus"));
         }
     }
 
     void serviceRegistered(const QString &service)
     {
         if (service == QLatin1String{"org.freedesktop.IBus"}) {
             launchIBusPanel();
         }
     }
 
     void serviceUnregistered(const QString &service)
     {
         if (service == QLatin1String{"org.kde.impanel"}) {
             quit();
         }
     }
 
 private:
     void launchIBusPanel()
     {
         const QString panelPath = QStringLiteral(KIMPANEL_LIBEXEC_DIR "/kimpanel-ibus-panel");
         QProcess::startDetached(panelPath, QStringList());
         quit();
     }
 
 private:
     QDBusServiceWatcher *m_watcher;
 };
 
 int main(int argc, char *argv[])
 {
     IBusPanelLauncher app(argc, argv);
 
     return app.exec();
 }
 
 #include "launcher.moc"