update SingleApplication

1 files changed, 28 insertions, 0 deletions

diff --git a/third_party/SingleApplication-3.3.0/examples/sending_arguments/main.cpp b/third_party/SingleApplication-3.3.0/examples/sending_arguments/main.cpp
new file mode 100755

index 00000000..a9d34dd9
--- /dev/null
+++ b/third_party/SingleApplication-3.3.0/examples/sending_arguments/main.cpp
@@ -0,0 +1,28 @@
+#include <singleapplication.h>
+#include "messagereceiver.h"
+
+int main(int argc, char *argv[])
+{
+    // Allow secondary instances
+    SingleApplication app( argc, argv, true );
+
+    MessageReceiver msgReceiver;
+
+    // If this is a secondary instance
+    if( app.isSecondary() ) {
+        app.sendMessage( app.arguments().join(' ').toUtf8() );
+        qDebug() << "App already running.";
+        qDebug() << "Primary instance PID: " << app.primaryPid();
+        qDebug() << "Primary instance user: " << app.primaryUser();
+        return 0;
+    } else {
+        QObject::connect(
+            &app,
+            &SingleApplication::receivedMessage,
+            &msgReceiver,
+            &MessageReceiver::receivedMessage
+        );
+    }
+
+    return app.exec();
+}