Sticky Key Behavior

Summary

A sticky key stays pressed until another key is pressed. It is often used for 'sticky shift'. By using a sticky shift, you don't have to hold the shift key to write a capital.

By default, sticky keys stay pressed for a second if you don't press any other key. You can configure this with the release-after-ms setting (see below).

Behavior Binding

  • Reference: &sk
  • Parameter #1: The keycode , e.g. LSHFT

Example:

&sk LSHFT

You can use any keycode that works for &kp as parameter to &sk:

&sk LG(LS(LA(LCTRL)))

Configuration

You can configure a different release-after-ms in your keymap:

&sk {
release-after-ms = <2000>;
};
/ {
keymap {
...
}
}

Advanced usage

Sticky keys can be combined; if you tap &sk LCTRL and then &sk LSHFT and then &kp A, the output will be ctrl+shift+a.

Comparison to QMK

In QMK, sticky keys are known as 'one shot mods'.

Edit this page