1bd2b0123e
The icon and close button might be overlapping the window actor but were not considered in has_overlaps() which gets used to decide whether to offscreen the actor for transparency. Since currently the icon is visible when the preview is dragged and the whole actor is turned transparent, the opacity will not be applied to everything as a whole but the child actors individually. This leads to the window becoming visible behind the icon. Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1684>
GNOME Shell
GNOME Shell provides core user interface functions for the GNOME 3 desktop, like switching to windows and launching applications. GNOME Shell takes advantage of the capabilities of modern graphics hardware and introduces innovative user interface concepts to provide a visually attractive and easy to use experience.
For more information about GNOME Shell, including instructions on how to build GNOME Shell from source and how to get involved with the project, see the project wiki.
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