class_docstr: Button graphicsItem displaying an image.
class_docstr_tok: ["Button","graphicsItem","displaying","an","image","."]
code: def mouseClickEvent(self, ev):
      if self.enabled:
          self.clicked.emit(self)
  
file_path: pyqtgraph/pyqtgraph/graphicsItems/ButtonItem.py
imports: from ..Qt import QtCore, QtGui
  from .GraphicsObject import GraphicsObject
label_desc: Use image node_id 4 for calling the ButtonItem obj's underlying member method code with example usage: obj.mouseClickEvent(ev) without return types