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From: bryan@mothra.cs.utexas.edu (Bryan Bayerdorffer)
Newsgroups: comp.sys.amiga
Subject: Re: The other pointer image
Message-ID: <9345@ut-sally.UUCP>
Date: Wed, 21-Oct-87 01:56:48 EDT
Article-I.D.: ut-sally.9345
Posted: Wed Oct 21 01:56:48 1987
Date-Received: Fri, 23-Oct-87 01:40:23 EDT
References: <85@oresoft.UUCP>
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Keywords: sprite zero pointer workbench busy cloud
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In article <85@oresoft.UUCP> rick@oresoft.UUCP (Rick Lahrson) writes:
=-All this talk about the Intuition pointer, SetPointer, ClearPointer,
=-reminds me that I don't recall ever seeing any documentation about
=-the little snoring cloud that shows up in place of the arrow/whatever
=-when the system is "busy".
=-
=-Some questions:
=-
=-	What constitutes "busy"?  Who determines it?  What causes
=-	the pointer to change?  What does it really mean, anyway?
I believe that the cloud image is 'owned' by Workbench.  It swaps this in for 
the regular sprite zero pointer image whenever it is busy doing something, like
loading icons (yaaaawwwwnn), or starting up info, diskcopy, or any double-
clicked icon.  However, something out there is also watching for mouseclicks
while wb is busy, because clicking in another window (i.e. not the wb backdrop
window) sets the pointer back to the fat arrow, and re-clicking in the wb
window brings back the cloud.  This works even when wb hangs for some reason, 
so there might be a task that keeps track of the ready/busy state of wb, and
sets the pointer accordingly.
=-
=-	Is that image changeable/settable?  (It doesn't show up in
=-	preferences, like the regular pointer image.)  If so, how?
Well, I don't know of a 'legal' way of getting to wherever the cloud image is,
but, if you have your heart set on personalizing your cloud, I suppose you 
could grab the sprite 0 image data at the appropriate moment (I seem to 
remember a 'dumpsprite' program(?)), search the wb code for that pattern, and
then zap a new image into place.  I've always wanted to try this, since the
damn cloud gets on my nerves.  When I ask wb to do something, I want it to tell
me that it's busy complying, not taking a nap.
=-
=-Rick Lahrson  ...tektronix!oresoft!rick

Thought for the day:  If you think writing concurrent programs is tough, try
GRADING them 8^[

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