[Bug 48732] How to Survive crashes on start (fullscreen mode)

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=48732

--- Comment #19 from Gabriel Ivăncescu  ---
> From a glance, yeah, I think so as well. Not sure why that flickering happens.

But I honestly doubt SetParent itself is wrong, it might be a Window Manager
thing or bug (sometimes new popup windows also get positioned wrongly, not only
from Wine, either). I use Compiz with XFCE.

Still this patch would help with that, so I think it's worth it, since it's
less intrusive and more correct, anyway. Just for curiosity, do you find the
testcase I wrote goes too much into implementation detail? Or the actual change
itself? I mainly added it so it doesn't regress later if someone wonders why
it's done the way it is.