add forgotten new file GUI/View/Tool/ID.h

GUI/View/Tool/ID.h

+//  ************************************************************************************************
+//
+//  BornAgain: simulate and fit reflection and scattering
+//
+//! @file      GUI/View/Tool/ID.h
+//! @brief     Defines enum ViewId
+//!
+//! @homepage  http://www.bornagainproject.org
+//! @license   GNU General Public License v3 or higher (see COPYING)
+//! @copyright Forschungszentrum Jülich GmbH 2018
+//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
+//
+//  ************************************************************************************************
+
+#ifndef BORNAGAIN_GUI_VIEW_TOOL_ID_H
+#define BORNAGAIN_GUI_VIEW_TOOL_ID_H
+
+namespace GUI::ID {
+
+enum ViewId { WELCOME, PROJECT, INSTRUMENT, SAMPLE, IMPORT, SIMULATION, JOB, SESSIONMODEL };
+
+} // namespace GUI::ID
+
+#endif // BORNAGAIN_GUI_VIEW_TOOL_ID_H