def event(self, event):
if event.type() == QEvent.PolishRequest:
self.setFocusPolicy(Qt.NoFocus)
if event.type() == QEvent.Resize:
cr = self.contentsRect()
w = cr.width()
h = self.contentsWidget.heightForWidth(cr.width())
if h > w:
w -= self.verticalScrollBar().sizeHint().width()
h = self.contentsWidget.heightForWidth(w)
self.contentsWidget.resize(w, h)
return QScrollArea.event(self, event)
