746230f8b6
Apparently some clients, including gtk don't "clip" the focus rectangle to their window bounds when scrolling the focus outside the window. This makes us shift up windows when the focus actually is no longer visible. This issue needs fixing in GTK, it should probably stop reporting focus changes when the focus moves outside of the visible view. We can still do a little bit better on our side though and "clip" the rectangle to the windows frame rect: If it moves out of the window, we simply stop updating our focus rect. The intersection check introduces a small problem though: Some clients (for example gedit) will give us a cursor rect that has a 0 width or height. This won't play well with graphene_rect_intersect() (GrapheneRects never intersect if they are 0-sized), so we set the size to 1 in case we get a 0-sized rectangle. Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1728>
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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