# Listeners classes

class `pymeasure.display.listeners.``Monitor`(*args: Any, **kwargs: Any)

  Bases: `pyqtgraph.Qt.QtCore.`

  Monitor listens for status and progress messages from a Worker through a queue to ensure no messages are losts

  `log`

    alias of `object`

  `progress`

    alias of `float`

  `status`

    alias of `int`

class `pymeasure.display.listeners.``QListener`(*args: Any, **kwargs: Any)

  Bases: `pyqtgraph.Qt.QtCore.`

  Base class for QThreads that need to listen for messages on a ZMQ TCP port and can be stopped by a thread- and process-safe method call