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diff --git a/GudhUI/gui/Menu_persistence.h b/GudhUI/gui/Menu_persistence.h
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+++ b/GudhUI/gui/Menu_persistence.h
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+/* This file is part of the Gudhi Library. The Gudhi library 
+ *    (Geometric Understanding in Higher Dimensions) is a generic C++ 
+ *    library for computational topology.
+ *
+ *    Author(s):       David Salinas
+ *
+ *    Copyright (C) 2014  INRIA Sophia Antipolis-Mediterranee (France)
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+#ifndef GUI_MENU_PERSISTENCE_H_
+#define GUI_MENU_PERSISTENCE_H_
+
+#include <QMainWindow>
+#include "gui/ui_PersistenceMenu.h"
+
+class QWidget;
+
+class Menu_persistence : public QDialog, public Ui::PersistenceMenu {
+  Q_OBJECT
+
+ private:
+  QMainWindow* parent;
+
+ public:
+  Menu_persistence(QMainWindow* parent_);
+
+  void connectActions(QMainWindow* parent);
+
+ public slots:
+  void send_compute_persistence();
+  void accept();
+
+ signals:
+  void compute_persistence(int p_fied, double threshold, int dim_max, double min_persistence);
+};
+
+#endif  // GUI_MENU_PERSISTENCE_H_