def __init__(self, context, icon_paths=[]):
self._graveyard = []
ok_icon = ['bg-green.svg', 'ic-diagnostics.svg']
warn_icon = ['bg-yellow.svg', 'ic-diagnostics.svg', 'ol-warn-badge.svg']
err_icon = ['bg-red.svg', 'ic-diagnostics.svg', 'ol-err-badge.svg']
stale_icon = ['bg-grey.svg', 'ic-diagnostics.svg', 'ol-stale-badge.svg']
icons = [ok_icon, warn_icon, err_icon, stale_icon]
super(MonitorDashWidget, self).__init__('MonitorWidget', icons, icon_paths=icon_paths)
self.setFixedSize(self._icons[0].actualSize(QSize(50, 30)))
self._monitor = None
self._close_mutex = QMutex()
self._show_mutex = QMutex()
self._last_update = rospy.Time.now()
self.context = context
self.clicked.connect(self._show_monitor)
self._monitor_shown = False
self.setToolTip('Diagnostics')
self._diagnostics_toplevel_state_sub = rospy.Subscriber('diagnostics_toplevel_state', DiagnosticStatus, self.toplevel_state_callback)
self._top_level_state = -1
self._stall_timer = QTimer()
self._stall_timer.timeout.connect(self._stalled)
self._stalled()
self._plugin_settings = None
self._instance_settings = None