[PATCH 0/4] MR6332: win32u: Move visible rect computation out of the drivers.

[Rémi Bernon (＠rbernon)]

Using a new GetWindowStyleMasks driver entry to get the style masks to be used to mask out non-client decorations which are hidden by the host decorations.

This is done after WindowPosChanging, as winex11 needs to update its managed flag before computing the visible rect, this means that the visible rect might change between WindowPosChanging and WindowPosChanged. It should hopefully be fine.