+ <signal name="clicked" handler="open_project"/>
+ </widget>
+ <packing>
+ <property name="expand">False</property>
+ </packing>
+ </child>
+ <child>
+ <widget class="GtkToolButton" id="toolbutton5">
+ <property name="visible">True</property>
+ <property name="sensitive">False</property>
+ <property name="stock_id">gtk-save</property>
+ <signal name="clicked" handler="save_project"/>