13.07.2014 16:22, Tanu Kaskinen wrote: > I don't > think there's any reliable way to figure out whether the window is fully > or partially visible or fully covered by some other window, so I think > the best solution would be to have a manual toggle in the UI for > enabling/disabling volume meters. It could be just a check box above the > tabs (not very pretty, but otherwise I think it would be a quite > user-friendly solution). Indeed. And with compositing window managers, the whole question "is this visible" becomes unanswerable, because there are alt-tab previews, transparency, taskbar button hints, overview and other unexpected places where even fully covered windows can render through. -- Alexander E. Patrakov