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Implement single instance check using DBus

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This commit is contained in:
Sebastian Palencsar
2026-05-28 08:28:57 +02:00
parent 42c1b66950
commit c1a1152169
5 changed files with 27 additions and 2 deletions
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15
src/main.cpp
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@@ -3,6 +3,8 @@
#include <QApplication>
#include <QDBusConnection>
#include <QDBusConnectionInterface>
#include <QDBusMessage>
#include <QIcon>
#include <QLocale>
#include <QQmlApplicationEngine>
@@ -23,6 +25,18 @@ int main(int argc, char *argv[])
QApplication::setApplicationVersion(QStringLiteral("1.0.1"));
QApplication app(argc, argv);
QDBusConnection sessionBus = QDBusConnection::sessionBus();
if (sessionBus.isConnected() && sessionBus.interface() && sessionBus.interface()->isServiceRegistered(QStringLiteral("org.mpris.MediaPlayer2.bearwave"))) {
QDBusMessage call = QDBusMessage::createMethodCall(
QStringLiteral("org.mpris.MediaPlayer2.bearwave"),
QStringLiteral("/org/mpris/MediaPlayer2"),
QStringLiteral("org.mpris.MediaPlayer2"),
QStringLiteral("Raise")
);
sessionBus.call(call);
return 0;
}
app.setWindowIcon(QIcon::fromTheme(QStringLiteral("de.nerdbear.bearwave")));
app.setQuitOnLastWindowClosed(false);
@@ -45,7 +59,6 @@ int main(int argc, char *argv[])
Q_UNUSED(controlAdaptor)
Q_UNUSED(notificationManager)
QDBusConnection sessionBus = QDBusConnection::sessionBus();
sessionBus.registerObject(QStringLiteral("/org/mpris/MediaPlayer2"), &backend, QDBusConnection::ExportAdaptors);
sessionBus.registerService(QStringLiteral("org.mpris.MediaPlayer2.bearwave"));