def mouseReleaseEvent(self, event: QMouseEvent) -> None:
super().mouseReleaseEvent(event)
if self.__mouseDown and event.button() == Qt.LeftButton:
self.__mouseDown = False
if self.__selectionDidChange:
self.__selectionDidChange = False
self.selectionFinished.emit()
def mousePressEvent(self, event: QMouseEvent) -> None:
self.__mouseDown = event.button() == Qt.LeftButton
super().mousePressEvent(event)
