From 596cf23bae223d043daf57dcb7b118e149d488e6 Mon Sep 17 00:00:00 2001
From: Itay Grudev <itay@grudev.com>
Date: Wed, 10 Aug 2016 02:43:52 +0100
Subject: [PATCH] Added an example of an application sending it's arguments to
 the primary instance

---
 examples/sending_arguments/main.cpp           | 25 +++++++++++++++++++
 .../sending_arguments/messagereceiver.cpp     | 12 +++++++++
 examples/sending_arguments/messagereceiver.h  | 15 +++++++++++
 .../sending_arguments/sending_arguments.pro   |  9 +++++++
 4 files changed, 61 insertions(+)
 create mode 100755 examples/sending_arguments/main.cpp
 create mode 100644 examples/sending_arguments/messagereceiver.cpp
 create mode 100644 examples/sending_arguments/messagereceiver.h
 create mode 100755 examples/sending_arguments/sending_arguments.pro

diff --git a/examples/sending_arguments/main.cpp b/examples/sending_arguments/main.cpp
new file mode 100755
index 0000000..8368036
--- /dev/null
+++ b/examples/sending_arguments/main.cpp
@@ -0,0 +1,25 @@
+#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() );
+        return 0;
+    } else {
+        QObject::connect(
+            &app,
+            &SingleApplication::receivedMessage,
+            &msgReceiver,
+            &MessageReceiver::receivedMessage
+        );
+    }
+
+    return app.exec();
+}
diff --git a/examples/sending_arguments/messagereceiver.cpp b/examples/sending_arguments/messagereceiver.cpp
new file mode 100644
index 0000000..0560b07
--- /dev/null
+++ b/examples/sending_arguments/messagereceiver.cpp
@@ -0,0 +1,12 @@
+#include <QDebug>
+#include "messagereceiver.h"
+
+MessageReceiver::MessageReceiver(QObject *parent) : QObject(parent)
+{
+}
+
+void MessageReceiver::receivedMessage(int instanceId, QByteArray message)
+{
+    qDebug() << "Received message from instance: " << instanceId;
+    qDebug() << "Message Text: " << message;
+}
diff --git a/examples/sending_arguments/messagereceiver.h b/examples/sending_arguments/messagereceiver.h
new file mode 100644
index 0000000..50a970c
--- /dev/null
+++ b/examples/sending_arguments/messagereceiver.h
@@ -0,0 +1,15 @@
+#ifndef MESSAGERECEIVER_H
+#define MESSAGERECEIVER_H
+
+#include <QObject>
+
+class MessageReceiver : public QObject
+{
+    Q_OBJECT
+public:
+    explicit MessageReceiver(QObject *parent = 0);
+public slots:
+    void receivedMessage( int instanceId, QByteArray message );
+};
+
+#endif // MESSAGERECEIVER_H
diff --git a/examples/sending_arguments/sending_arguments.pro b/examples/sending_arguments/sending_arguments.pro
new file mode 100755
index 0000000..897636a
--- /dev/null
+++ b/examples/sending_arguments/sending_arguments.pro
@@ -0,0 +1,9 @@
+# Single Application implementation
+include(../../singleapplication.pri)
+DEFINES += QAPPLICATION_CLASS=QCoreApplication
+
+SOURCES += main.cpp \
+    messagereceiver.cpp
+
+HEADERS += \
+    messagereceiver.h