Article View: comp.sys.mac
Article #14294Re: Animated watch cursor.
From: naftoli
Date: Sun, 01 Feb 1987 18:57
Date: Sun, 01 Feb 1987 18:57
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1474 bytes
In article <777@vaxb.calgary.UUCP>, radford@calgary.UUCP (Radford Neal) writes:
> I presume these animated watch cursors are implemented by installing a
> vertical retrace interrupt routine. If so, they aren't a very reliable
> guide to whether the application as a whole is still operating. My guess
> is that the watch cursor will keep turning as long as you can move the
> mouse.
I don't think it is implemented using vertical retrace since it spins
irregularly. If it was implemented using vertical retrace, I would
think it would spin at regular intervals.
--
Robert N. Berlinger
Systems Analyst, Scientific Computing Center Compuserve: 73047,741
Albert Einstein College of Medicine Easylink: 62956067
UUCP: ...{philabs,cucard,pegasus,rocky2}!aecom!naftoli GEnie: R.Berlinger
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!rutgers!sri-spam!ames!ucbcad!ucbvax!decvax!decwrl!pyramid!prls!philabs!aecom!naftoli From: naftoli@aecom.UUCP Newsgroups: comp.sys.mac Subject: Re: Animated watch cursor. Message-ID: <881@aecom.UUCP> Date: Sun, 1-Feb-87 13:57:49 EST Article-I.D.: aecom.881 Posted: Sun Feb 1 13:57:49 1987 Date-Received: Tue, 3-Feb-87 02:07:50 EST References: <7488@decwrl.DEC.COM> <603@runx.OZ> <607@runx.OZ> <176@trwspf.UUCP> <777@vaxb.calgary.UUCP> Organization: Albert Einstein College of Medicine, NY Lines: 15 Summary: I don't think it is implemented using vertical retrace tasks