I have no idea, if there can be multiple active popups in LO in
some way. There can be multiple FloatingWindow and gtk does count
them in m_nFloats... There is a whole lot going on in gtk3 related
to isFloatGrabWindow(), with "funny" comments like:
// FIXME: find out who the hell steals the focus from our frame
So this goes with some "optimistic" approach: there is just one
active popup, so we can track it in QtInstance. It WFM...
Change-Id: I9778587696e1ad9e641dba4f102e2e921266eee6
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/133249
Tested-by: Jenkins
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>