text: import sys
  from taurus.external.qt import Qt
  from taurus.qt.qtgui.application import TaurusApplication
  
  app = TaurusApplication(sys.argv, cmd_line_parser=None)
  panel = Qt.QWidget()
  layout = Qt.QHBoxLayout()
  panel.setLayout(layout)
  
  from taurus.qt.qtgui.display import TaurusLabel
  from taurus.qt.qtgui.input import TaurusValueLineEdit, TaurusValueSpinBox, TaurusWheelEdit
  
  w1 = TaurusLabel()
  w2 = TaurusLabel()
  w3 = TaurusValueLineEdit()  # or TaurusValueSpinBox or TaurusWheelEdit
  w4 = TaurusLabel()
  layout.addWidget(w1)
  layout.addWidget(w2)
  layout.addWidget(w3)
  layout.addWidget(w4)
  w1.model, w1.bgRole = 'sys/tg_test/1/double_scalar#label', ''
  w2.model = 'sys/tg_test/1/double_scalar#rvalue.magnitude'
  w3.model = 'sys/tg_test/1/double_scalar#rvalue.magnitude'
  w4.model, w4.bgRole = 'sys/tg_test/1/double_scalar#unit', ''
  
  panel.show()
  sys.exit(app.exec_())
  