def resizeEvent(self, event: QResizeEvent):
"""
:param event:
:return:
"""
self._recalculate_view_sizes(event.oldSize())
def resizeEvent(self, event: QtGui.QResizeEvent):
super().resizeEvent(event)
rect = self.mapFromScene(self.sceneRect()).boundingRect()
rect.moveTo(0, 0)
oldrect = QtCore.QRect(QtCore.QPoint(0, 0), event.oldSize())
if oldrect.contains(rect):
self.fitInView(self.sceneRect(), QtCore.Qt.KeepAspectRatio)
self.viewSizeChanged.emit(self.viewport().rect())