code: def mouseMoveEvent(self, ev):
      self.setPos(self.mapToParent(ev.pos()) - self.pressDelta)
  
file_path: pyqtgraph/pyqtgraph/examples/ViewBox.py
imports: import numpy
  import pyqtgraph
  from pyqtgraph.Qt import QtCore, QtWidgets
label_desc: Use image node_id 5 for calling the movableRect obj's underlying member method code with example usage: obj.mouseMoveEvent(ev) without return types