The places sidebar emits this signal when it starts a new operation
because the user clicked on some location that needs mounting.
In this way the application using the gtk.PlacesSidebar can track the
progress of the operation and, for example, show a notification.
The places sidebar emits this signal when it starts a new operation because the user clicked on some location that needs mounting. In this way the application using the gtk.PlacesSidebar can track the progress of the operation and, for example, show a notification.