editor: InvoicePrinterEditor
GtkDialog(main_dialog.toplevel): title='Add Invoice Printers', 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 InvoicePrinterEditor is attached
        GtkTable(table1):
          GtkLabel(label1): 'Description:'
          ProxyEntry(description): 'Untitled Printer'
          GtkLabel(label2): 'Device name:'
          ProxyEntry(device_name): '/dev/lp0'
          GtkLabel(label3): 'Computer:'
          ProxyComboBox(station):
            item: 'Test station', selected
          GtkLabel(label4): 'Layout:'
          ProxyComboBox(layout):
            item: 'Standard Invoice', selected
      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'
