code: def __init__(self, parent):
      QPlainTextEdit.__init__(self, parent)
      # Set font to monospaced (TypeWriter)
      font = QFont("")
      font.setStyleHint(font.TypeWriter, font.PreferDefault)
      font.setPointSize(8)
      self.setFont(font)
  
file_path: vispy/examples/demo/gloo/glsl_sandbox_cube.py
imports: import numpy
  from vispy import app, gloo
  from vispy.io import read_mesh, load_data_file, load_crate
  from vispy.util.transforms import perspective, translate, rotate
label_desc: Use image node_id 1 to create a new TextField object from inherited base classes: QPlainTextEdit with example: obj = TextField(parent)