void createNewWindow(GtkWidget* widget, gpointer user_data, gboolean clone);
void insertMenuToolbarItem(mainWindow * mw);
-void constructMainWin(mainWindow * parent, WindowCreationData *win_creation_data);
+void constructMainWin(mainWindow * parent, WindowCreationData *win_creation_data,
+ gboolean first_window);
void mainWindow_free(mainWindow * mw);
void mainWindow_Destructor(mainWindow * mw);