code: def doubleClickEvent(self, ev):
      ev.accept()
  
file_path: pyqtgraph/pyqtgraph/widgets/JoystickButton.py
imports: from math import hypot
  from ..Qt import QtCore, QtGui, QtWidgets
label_desc: Use image node_id 6 for calling the JoystickButton obj's underlying member method code with example usage: obj.doubleClickEvent(ev) without return types