diff --git a/chatdialog.cpp b/chatdialog.cpp
index abf6005..89e1710 100644
--- a/chatdialog.cpp
+++ b/chatdialog.cpp
@@ -38,6 +38,9 @@
   QRectF rect = m_scene->itemsBoundingRect();
   m_scene->setSceneRect(rect);
 
+  m_rosterModel = new QStringListModel(this);
+  listView->setModel(m_rosterModel);
+
   createActions();
   createTrayIcon();
   m_timer = new QTimer(this);
@@ -50,6 +53,7 @@
   connect(m_scene, SIGNAL(replot()), this, SLOT(replot()));
   connect(trayIcon, SIGNAL(messageClicked()), this, SLOT(showNormal()));
   connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(iconActivated(QSystemTrayIcon::ActivationReason)));
+  connect(m_scene, SIGNAL(rosterChanged()), this, SLOT(updateRosterList()));
 
   // create sync socket
   if(!m_user.getChatroom().isEmpty()) {
@@ -89,6 +93,14 @@
   m_scene->plot(m_sock->getRootDigest().c_str());
 }
 
+void
+ChatDialog::updateRosterList()
+{
+  boost::mutex::scoped_lock lock(m_sceneMutex);
+  QStringList rosterList = m_scene->getRosterList();
+  m_rosterModel->setStringList(rosterList);
+}
+
 void 
 ChatDialog::setVisible(bool visible)
 {
diff --git a/chatdialog.h b/chatdialog.h
index 5662b7b..dc7b390 100644
--- a/chatdialog.h
+++ b/chatdialog.h
@@ -16,6 +16,7 @@
 
 class QAction;
 class QMenu;
+class QStringListModel;
 
 class ChatDialog : public QDialog,  private Ui::ChatDialog 
 {
@@ -62,6 +63,7 @@
   void settingUpdated(QString, QString, QString);
   void sendHello();
   void replot();
+  void updateRosterList();
 
   // icon related
   void iconActivated(QSystemTrayIcon::ActivationReason reason);
@@ -83,6 +85,7 @@
   time_t m_lastMsgTime;
   int m_randomizedInterval;
   QTimer *m_timer;
+  QStringListModel *m_rosterModel;
 
   // icon related
   QAction *minimizeAction;
diff --git a/digesttreescene.cpp b/digesttreescene.cpp
index 2bb1c53..b79962e 100644
--- a/digesttreescene.cpp
+++ b/digesttreescene.cpp
@@ -72,6 +72,11 @@
 }
 
 void
+DigestTreeScene::getRosterList()
+{
+}
+
+void
 DigestTreeScene::msgReceived(QString prefix, QString nick)
 {
 #ifdef __DEBUG
@@ -172,6 +177,9 @@
     }
   }
 
+  // for simpicity here, whenever we replot, we also redo the roster list
+  emit rosterChanged();
+
   int n = m_roster.size();
   std::vector<TreeLayout::Coordinate> childNodesCo(n);
 
diff --git a/digesttreescene.h b/digesttreescene.h
index 0a385e0..7d30bac 100644
--- a/digesttreescene.h
+++ b/digesttreescene.h
@@ -35,9 +35,11 @@
   void clearAll();
   bool removeNode(const QString prefix);
   void plot(QString digest);
+  QStringList getRosterList();
 
 signals:
   void replot();
+  void rosterChanged();
 
 private slots:
   void emitReplot();