def _initialise_action_states(self):
self.action_enable_monitoring.setChecked(self.app.service.is_running())<EOL>self.action_enable_monitoring.setEnabled(not self.app.serviceDisabled)<EOL>
Some menu actions have on/off states that have to be initialised. Perform all non-trivial action state
initialisations.
Trivial ones (i.e. setting to some constant) are done in the Qt UI file,
so only perform those that require some run-time state or configuration value here.