'Return a scrollable window containing a new textview.'

def _newTextView(self):

    sw = gtk.ScrolledWindow()
    sw.set_shadow_type(gtk.SHADOW_ETCHED_IN)
    sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
    textview = gtk.TextView()
    textview.set_editable(False)
    textview.set_cursor_visible(False)
    textview.set_wrap_mode(gtk.WRAP_WORD)
    sw.add(textview)
    return (sw, textview)
