class TestBackingStoreWindow(QWindow):
def __init__(self):
super(TestBackingStoreWindow, self).__init__()
self.backingStore = QBackingStore(self)
self.text = QStaticText("BackingStoreWindow")
def event(self, event):
if event.type() == QEvent.Resize:
self.backingStore.resize(self.size())
self.render()
elif event.type() == QEvent.UpdateRequest or event.type() == QEvent.Expose:
self.backingStore.flush(QRegion(QRect(QPoint(0, 0), self.size())))
return QWindow.event(self, event)
def render(self):
clientRect = QRect(QPoint(0, 0), self.size())
painter = QPainter(self.backingStore.paintDevice())
painter.fillRect(clientRect, QColor(Qt.green))
painter.drawStaticText(QPoint(10, 10), self.text)
def __init__(self):
super(TestBackingStoreWindow, self).__init__()
self.backingStore = QBackingStore(self)
self.text = QStaticText("BackingStoreWindow")