'Return all subwidgets.'

def subwidgets_all(self):

    names = self._subwidget_names()
    if (not names):
        return []
    retlist = []
    for name in names:
        name = name[(len(self._w) + 1):]
        try:
            retlist.append(self._nametowidget(name))
        except:
            pass
    return retlist
