def refresh(self):
if self.expr is not None:
self.diff_arg = utils.shell_usplit(self.expr)
elif self.b is None:
self.diff_arg = [self.a]
else:
self.diff_arg = [self.a, self.b]
self.refresh_filenames()
def _words(self):
return utils.shell_usplit(unicode(self.text()))
