editor: SystemParameterEditor
GtkDialog(main_dialog.toplevel): title="Edit 'short_desc' Parameter", hidden
  GtkVBox(main_dialog._main_vbox):
    GtkVBox(main_dialog.vbox, expand=True, fill=True):
      GtkEventBox(main_dialog.header):
      GtkEventBox(main_dialog.main, expand=True, fill=True, padding=6): slave SystemParameterEditor is attached
        GtkTable(table1):
          GtkLabel(label1): 'Group:'
          ProxyLabel(parameter_group): 'section'
          GtkLabel(label2): 'Parameter Name:'
          GtkVBox(vbox1):
            ProxyLabel(parameter_name, fill=True): '<span underline="single">short_desc</span>'
            ProxyLabel(parameter_desc, expand=True, fill=True): '<span size="small">long_desc</span>'
          GtkLabel(label3): 'Current Value:'
          GtkAlignment(container):
            GtkHBox():
              ProxyEntry(_entry, expand=True, fill=True): ''
              GtkFileChooserButton(fill=True):
                GtkButton(expand=True, fill=True): hidden
                GtkComboBox(expand=True, fill=True):
                  GtkCellView():
      GtkHBox(fill=True):
        GtkEventBox(main_dialog.extra_holder, expand=True, fill=True, padding=6):
        GtkEventBox(main_dialog.print_holder, expand=True, fill=True):
        GtkEventBox(main_dialog.notice, fill=True):
        GtkEventBox(main_dialog.details_holder, padding=6, pack-end):
    GtkHButtonBox(fill=True, pack-end):
      GtkButton(main_dialog.cancel_button, expand=True, fill=True, padding=6): 'gtk-cancel'
      GtkButton(main_dialog.ok_button, expand=True, fill=True, padding=6): 'gtk-ok'
      GtkButton(main_dialog.help_button, padding=6): 'gtk-help'
