Cursor (user interface): Difference between revisions

Revision as of 07:19, 27 February 2023

Revision as of 17:34, 31 March 2023

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The blinking of the text cursor is usually temporarily suspended when it is being moved; otherwise, the cursor may change position when it is not visible, making its ___location difficult to follow.

The concept of a blinking cursor can be attributed to Charles Kiesling Sr. via US Patent 3531796,<ref>{{cite web |last1=Kiesling |first1=Charles |title=US Patent 3531796: Blinking cursor for crt display |url=https://patents.google.com/patent/US3531796 |website=US3531796A - Blinking cursor for crt display - Google Patents |publisher=Google |access-date=6 January 2022 |ref=patent}}</ref><ref>{{cite web |title=Text size comment share tweet email Print Charles A., Sr. Kiesling obituary |url=https://www.startribune.com/obituaries/detail/13986254/ |website= Star Tribune |publisher=Star Tribune |access-date=6 January 2022 |ref=obituary}}</ref> filed in August 1967.<ref>{{cite web |title=Who invented the blinking cursor |url=https://ux.stackexchange.com/questions/33640/who-invented-the-blinking-cursor/33644 |website=mouse - Who invented the blinking cursor - User Experience Stack Exchange |publisher=Stack Exchange |access-date=6 January 2022 |ref=discussion}}</ref>

Some interfaces use an underscore or thin vertical bar to indicate that the user is in [[insert mode]], a [[mode (user interface)|mode]] where text will be [[insert key|inserted]] in the middle of the existing text, and a larger block to indicate that the user is in [[insert key|overtype]] mode, where inserted text will overwrite existing text. In this way, a block cursor may be seen as a piece of selected text one character wide, since typing will replace the text "in" the cursor with the new text.

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==References==

{{Reflist|refs=

<ref name="Markoff_2005">{{cite book |title=What the Dormouse Said: How the Sixties Counterculture Shaped the Personal Computer Industry |chapter=2. Augmentation |author-first=John Gregory|author-last=Markoff |author-link=John Gregory Markoff |date=2005 |orig-date=2004-06-11 |publisher=[[Penguin Books]] / [[Penguin Random House LLC]] |isbn=978-1-10120108-4 |id={{ISBN|1-10120108-8}} |pages=123–124 |chapter-url=https://books.google.com/books?id=cTyfxP-g2IIC&pg=PT123&lpg=PT124 |access-date=2021-08-26 |quote-pages=123–124 |quote=[…] Although it is commonly believed that the story of how the [[computer mouse|mouse]] got its name has been lost in history, Roger Bates, who was a young hardware designer working for [[Bill English]], has a clear recollection of how the name was chosen. […] He remembers that what today is called the cursor on the screen was at the time called a "CAT". Bates has forgotten what CAT stood for, and no one else seems to remember either, but in hindseight, it seems obvious that a CAT would chase the tailed mouse on the desktop. […]}} (336 pages)</ref>

<ref name="Markoff_2013">{{cite web |title=Douglas C. Engelbart, 1925–2013: Computer Visionary Who Invented the Mouse |author-first=John Gregory |author-last=Markoff |author-link=John Gregory Markoff |date=2013-07-03 |newspaper=[[The New York Times]] |url=https://www.nytimes.com/2013/07/04/technology/douglas-c-engelbart-inventor-of-the-computer-mouse-dies-at-88.html |access-date=2021-08-26 |url-status=live |archive-url=https://web.archive.org/web/20210615064745/https://www.nytimes.com/2013/07/04/technology/douglas-c-engelbart-inventor-of-the-computer-mouse-dies-at-88.html |archive-date=2021-06-15 |quote=[…] When and under what circumstances the term "the [[computer mouse|mouse]]" arose is hard to pin down, but one hardware designer, Roger Bates, has contended that it happened under Mr. [[Bill English|English]]'s watch. Mr. Bates was a college sophomore and Mr. English was his mentor at the time. Mr. Bates said the name was a logical extension of the term then used for the cursor on a screen: CAT. Mr. Bates did not remember what CAT stood for, but it seemed to all that the cursor was chasing their tailed desktop device. […]}}</ref>

<ref name="Bardini_2000">{{cite book |author-last=Bardini |author-first=Thierry |title=Bootstrapping: Douglas Engelbart, Coevolution, and the Origins of Personal Computing |date=2000 |publisher=[[Stanford University Press]] |___location=Stanford, USA |isbn=978-0-80473871-2 |page=[https://archive.org/details/bootstrapping00thie/page/95 95] |url=https://archive.org/details/bootstrapping00thie |url-access=registration}}</ref>