D7127: ignore spurious resize events to empty sizes

[Marco Martin]

mart added a comment.


  finally figured out where this event is generated:
  it's a spontaneous event generated in qguiapplication.cpp QGuiApplicationPrivate::processWindowScreenChangedEvent
  around line 2209 QWindowSystemInterfacePrivate::GeometryChangeEvent gce(window, QHighDpi::fromNativePixels(window->handle()->geometry(), window), QRect());
  
  this happens even before the first show event, right after the window has been created, the window is still 0x0, but the resize event gets delivered with 0x0 again and executed with all the bad side effects
  this seems to happen for every window when there are multiple screens, so something we have probably to watch out for in the future

REPOSITORY
  R242 Plasma Framework (Library)

REVISION DETAIL
  https://phabricator.kde.org/D7127

To: mart, #plasma, davidedmundson
Cc: davidedmundson, broulik, plasma-devel, #frameworks, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart, lukas
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