+ _value_action.setDefaultWidget(&_value_widget);
+
+ _value_widget.setValue(time);
+ _value_widget.setDecimals(6);
+ _value_widget.setSuffix("s");
+ _value_widget.setSingleStep(1e-6);
+
+ connect(&_value_widget, SIGNAL(valueChanged(double)),
+ this, SLOT(on_value_changed(double)));