Quick Tip - Using Popup Buttons in Mac QT Apps (OBS, Virtualbox, etc)

If you've ever tried to use an application who's interface was written in QT on a Mac then you've likely come to the realisation that popup buttons (combo boxes for those not used to voiceover's way of announcing control roles) don't work in the conventional way. This quick tip tells you how to use them if you have to. Examples of where I've ran into these popups are in Virtual Box and OBS Studio.