</child>
                        <child>
                          <object class="GtkToolButton" id="stop">
                            <property name="can_focus">False</property>
                            <property name="visible_horizontal">False</property>
                            <property name="label" translatable="yes">stop</property>
                            <property name="stock_id">gtk-cancel</property>
                            <signal name="clicked" handler="on_stop_clicked" swapped="no"/>
                          </object>
                          <packing>
                            <property name="expand">False</property>
                            <property name="homogeneous">True</property>
                          </packing>
                        </child>
                      </object>