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authorAlbert Y <76888457+filterpaper@users.noreply.github.com>2023-05-20 20:16:36 +0800
committerGitHub <noreply@github.com>2023-05-20 22:16:36 +1000
commite1766df185869d8a591228d37f3f7b6d5b4049b4 (patch)
tree1245e8517ae154e51b405b9d1862fe97a75f3a57 /docs
parent21b660fa07455a0173770ccab1cd21d7c7625014 (diff)
Add a change log for PR20584 (#20998)
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+Two new boolean callback functions, `pre_process_record_kb` and `pre_process_record_user`, are added in this change. They are called at the beginning of `process_record`, right before `process_combo`.
+
+Similar to existing `*_kb` and `*_user` callback functions, returning `false` will halt further processing of key events. The `pre_process_record_user` function will allow user space opportunity to handle or capture an input before it undergoes quantum processing. For example, while action tapping is still resolving the tap or hold output of a mod-tap key, `pre_process_record_user` can capture the next key record of an input event that follows. That key record can be used to influence the [decision of the mod-tap](https://docs.qmk.fm/#/tap_hold) key that is currently undergoing quantum processing.