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CGEventTap: Allow dropping events from callback #492

Open

encounter wants to merge 1 commit into servo:main from encounter:cgeventtap-drop

encounter commented Jan 16, 2022

This updates the return type of CGEventTapCallBackFn to allow for three options:

Replace returns a newly-constructed event. (equivalent to the existing Option::Some)
Keep returns the same event, possibly modified by the user callback. (equivalent to the existing Option::None)
Drop returns nullptr, stopping event propagation. (new)


          CGEventTap: Allow dropping events from callback

5b04703

encounter force-pushed the cgeventtap-drop branch from 785b0cf to 5b04703 Compare

January 17, 2022 04:41

mattjbray commented Mar 13, 2024

Bump. I have tested this and it works well for me.

mattjbray mentioned this pull request

Cancel event when CGEventTap callback returns nullptr #665

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