Add configurable routing prefix

Change-Id: I649bbd9f4decb8466ae4aeb82e1500f712adb6f6
diff --git a/src/setting-dialog.hpp b/src/setting-dialog.hpp
index 443b87d..ddc8206 100644
--- a/src/setting-dialog.hpp
+++ b/src/setting-dialog.hpp
@@ -42,10 +42,16 @@
   void
   nickUpdated(const QString& nick);
 
+  void
+  prefixUpdated(const QString& prefix);
+
 public slots:
   void
   onIdentityUpdated(const QString& identity);
 
+  void
+  onLocalPrefixUpdated(const QString& prefix);
+
 private slots:
   void
   onSaveClicked();
@@ -57,6 +63,7 @@
   Ui::SettingDialog* ui;
   QString m_identity;
   QString m_nick;
+  QString m_prefix;
 };
 
 } // namespace chronos