Sticky keys is an accessibility feature of some graphical user interfaces which assists users who have physical disabilities or helps users reduce repetitive strain injury. It serializes keystrokes; instead of being required to press multiple keys at a time, the user can press and release a modifier key, such as ⇧ Shift, Ctrl, Alt, or the Windows key, and have it remain active until any other key is pressed.
Sticky keys functionality is available on/in Microsoft Windows, macOS, chromeOS and KDE Plasma as Sticky Keys,[1][2] and on Unix/X11 systems as part of the AccessX utility.[3][4]
History
editSticky Keys was first[when?] introduced to System 6 as part of the Easy Access extension, which also included mouse keys functionality.[5]
In 1994, Solaris 2.4 shipped with the AccessX utility, which also provided sticky keys and mouse keys functionality.[6]
See also
editReferences
edit- ^ "Make the keyboard easier to use in Windows 7 – Windows Help". Microsoft. August 31, 2016. Retrieved April 29, 2018.
- ^ "macOS Sierra: Use accessibility features". Apple Support. Apple Inc. September 23, 2015. Retrieved December 28, 2015.
- ^ "The X Keyboard Extension: Protocol Specification" (PDF). Retrieved 2009-11-08.
- ^ Underwood, R. C. (September 10, 1999). "SGI AccessX".[permanent dead link]
- ^ Using Your Classic (PDF). Apple Inc. p. 146. Archived from the original (PDF) on December 12, 2002.
- ^ "About AccessX". Sun Microsystems Accessibility Program. Sun Microsystems. April 24, 2005. Archived from the original on August 17, 2007.
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