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