ee11ecac46
When commit 4d963c432b introduced the global workspace adjustment,
it mostly copied the adjustment handling from the overview that it
set out to replace.
That includes cancelling ongoing transitions when the number of
workspaces changed. However that missed that transitions don't
happen on the main adjustment, but on the "child" adjustments
returned from `createWorkspacesAdjustment()`.
Address this by tracking all child adjustments, and cancel transitions
there as well when necessary. Use weak refs to not
interfere with garbage collection, in case an extension creates
its own child adjustment.
Fixes: 4d963c432b ("main: Introduce global workspaces adjustment")
Closes: https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/7000
Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2949>
GNOME Shell
GNOME Shell provides core user interface functions for the GNOME 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.
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