From 69538ac36e10b514576bcb61d413ebac45b63f0d Mon Sep 17 00:00:00 2001
From: Olivier Tilloy <olivier.tilloy@canonical.com>
Date: Tue, 9 Oct 2012 15:52:06 +0200
Subject: Add a C++ example that demonstrates the use of libqmenumodel.

---
 examples/info-menumodel.cpp | 87 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 examples/info-menumodel.cpp

(limited to 'examples/info-menumodel.cpp')

diff --git a/examples/info-menumodel.cpp b/examples/info-menumodel.cpp
new file mode 100644
index 0000000..d370731
--- /dev/null
+++ b/examples/info-menumodel.cpp
@@ -0,0 +1,87 @@
+/*
+ * Example executable that links against libqmenumodel to monitor
+ * and print information about a menu model exported on D-Bus.
+ */
+
+// QMenuModel
+#include "qmenumodel/qdbusmenumodel.h"
+
+// stdlib
+#include <iostream>
+
+// Qt
+#include <QtCore/QCoreApplication>
+#include <QtCore/QObject>
+
+
+#define BUS_NAME "com.canonical.testmenu"
+#define BUS_OBJECT_PATH "/com/canonical/testmenu"
+
+
+class MenuModelMonitor : public QDBusMenuModel
+{
+    Q_OBJECT
+
+public:
+    MenuModelMonitor(QObject* parent=0)
+        : QDBusMenuModel(parent)
+    {
+        setProperty("busType", DBusEnums::SessionBus);
+        setProperty("busName", BUS_NAME);
+        setProperty("objectPath", BUS_OBJECT_PATH);
+        QObject::connect(this, SIGNAL(statusChanged(DBusEnums::ConnectionStatus)),
+                         SLOT(onStatusChanged(DBusEnums::ConnectionStatus)));
+        QObject::connect(this, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
+                         SLOT(onModelChanged()));
+        QObject::connect(this, SIGNAL(rowsRemoved(const QModelIndex&, int, int)),
+                         SLOT(onModelChanged()));
+        std::cout << "Monitoring menu model "
+                  << property("objectPath").toString().toUtf8().constData()
+                  << " on the well-known name "
+                  << property("busName").toString().toUtf8().constData()
+                  << std::endl;
+    }
+
+private Q_SLOTS:
+    void onStatusChanged(DBusEnums::ConnectionStatus status)
+    {
+        std::cout << "Status of menu model changed to " << status << std::endl;
+        if (status == DBusEnums::Connected) {
+            printModel(this);
+        }
+    }
+
+    void onModelChanged()
+    {
+        printModel(this);
+    }
+
+private:
+    void printModel(QMenuModel* model, int indent=0)
+    {
+        int count = model->rowCount();
+        for (int i = 0; i < count; ++i) {
+            QModelIndex index = model->index(i, 0);
+            QString label = model->data(index, QMenuModel::Label).toString();
+            QVariant submenu = model->data(index, QMenuModel::LinkSubMenu);
+            for (int j = 0; j < indent * 2; ++j) std::cout << " ";
+            std::cout << " > " << label.toUtf8().constData() << std::endl;
+            if (submenu.isValid()) {
+                printModel(qobject_cast<QMenuModel*>(submenu.value<QObject*>()), indent + 1);
+            }
+        }
+    }
+};
+
+#include "info-menumodel.moc"
+
+
+int main(int argc, char** argv)
+{
+    MenuModelMonitor monitor;
+    monitor.start();
+    int result = QCoreApplication(argc, argv).exec();
+    monitor.stop();
+    return result;
+}
+
-- 
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