diff --git a/src/settingdialog.h b/src/settingdialog.h
new file mode 100644
index 0000000..a06046d
--- /dev/null
+++ b/src/settingdialog.h
@@ -0,0 +1,44 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2013, Regents of the University of California
+ *                     Yingdi Yu
+ *
+ * BSD license, See the LICENSE file for more information
+ *
+ * Author: Yingdi Yu <yingdi@cs.ucla.edu>
+ */
+
+#ifndef SETTINGDIALOG_H
+#define SETTINGDIALOG_H
+
+#include <QDialog>
+
+namespace Ui {
+class SettingDialog;
+}
+
+class SettingDialog : public QDialog
+{
+  Q_OBJECT
+
+public:
+  explicit SettingDialog(QWidget *parent = 0);
+  ~SettingDialog();
+
+  void
+  setIdentity(const std::string& identity);
+
+signals:
+  void
+  identitySet(const QString& identity);
+
+private slots:
+  void
+  onOkClicked();
+
+private:
+  Ui::SettingDialog *ui;
+  std::string m_identity;
+};
+
+#endif // SETTINGDIALOG_H