+UNITCALLBACK(set_meter, length, METERS)
+UNITCALLBACK(set_feet, length, FEET)
+UNITCALLBACK(set_bar, pressure, BAR)
+UNITCALLBACK(set_psi, pressure, PSI)
+UNITCALLBACK(set_liter, volume, LITER)
+UNITCALLBACK(set_cuft, volume, CUFT)
+UNITCALLBACK(set_celsius, temperature, CELSIUS)
+UNITCALLBACK(set_fahrenheit, temperature, FAHRENHEIT)
+
+static void unit_dialog(GtkWidget *w, gpointer data)
+{
+ int result;
+ GtkWidget *dialog;
+
+ menu_units = output_units;
+
+ dialog = gtk_dialog_new_with_buttons("Units",
+ GTK_WINDOW(main_window),
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
+ GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
+ NULL);
+
+ create_radio(dialog, "Depth:",
+ "Meter", set_meter, (output_units.length == METERS),
+ "Feet", set_feet, (output_units.length == FEET),
+ NULL);
+
+ create_radio(dialog, "Pressure:",
+ "Bar", set_bar, (output_units.pressure == BAR),
+ "PSI", set_psi, (output_units.pressure == PSI),
+ NULL);
+
+ create_radio(dialog, "Volume:",
+ "Liter", set_liter, (output_units.volume == LITER),
+ "CuFt", set_cuft, (output_units.volume == CUFT),
+ NULL);
+
+ create_radio(dialog, "Temperature:",
+ "Celsius", set_celsius, (output_units.temperature == CELSIUS),
+ "Fahrenheit", set_fahrenheit, (output_units.temperature == FAHRENHEIT),
+ NULL);
+
+ gtk_widget_show(dialog);
+ result = gtk_dialog_run(GTK_DIALOG(dialog));
+ if (result == GTK_RESPONSE_ACCEPT) {
+ output_units = menu_units;
+ update_dive_list_units(&dive_list);
+ repaint_dive();
+ }
+ gtk_widget_destroy(dialog);