gint id;
MainWindow * mw_data = get_window_data_struct(widget);
GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select a trace");
gint id;
MainWindow * mw_data = get_window_data_struct(widget);
GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select a trace");