## Window on all desktops
See [this stackoverflow question](https://stackoverflow.com/questions/48204226/pyqt5-application-visible-in-all-cinnamon-gnome-workspaces) and [also this related question on setting wm-name and wm-class](https://stackoverflow.com/questions/11846029/customize-wm-name-and-wm-class-as-shown-by-xprop-in-pyqt4).