begin-busy-cursor in Miscellaneous
Changes the cursor to a watch cursor for all windows in the current eventspace.
Use
end-busy-cursor to revert the cursor back to its previous state. Calls to
begin-busy-cursor and
end-busy-cursor can be nested arbitrarily.
The cursor installed by
begin-busy-cursor overrides any window-specific cursors installed with
set-cursor.
See also
is-busy?.