gboolean menu_cb_settings(GtkAction * action);
gboolean menu_cb_settings_gps(GtkAction * action);
gboolean menu_cb_settings_osm(GtkAction * action);
+gboolean menu_cb_settings_colors(GtkAction * action);
gboolean menu_cb_help(GtkAction * action);
gboolean menu_cb_about(GtkAction * action);