void ui_menu_bar_show(unsigned int show, struct ui_psensor *ui);
-void ui_show_about_dialog(void);
-
void ui_enable_alpha_channel(struct ui_psensor *ui);
void ui_cb_preferences(GtkMenuItem *mi, gpointer data);
-void ui_cb_about(GtkMenuItem *mi, gpointer data);
void ui_cb_menu_quit(GtkMenuItem *mi, gpointer data);
void ui_cb_sensor_preferences(GtkMenuItem *mi, gpointer data);