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blinkers

   Date: Tue, 15 Dec 1992 11:35-0500
   From: Scott McKay <SWM@stony-brook.scrc.symbolics.com>

       Date: Mon, 14 Dec 1992 18:25 EST
       From: Clinton Hyde <chyde@chesapeake.ads.com>


       the lispms have things called blinkers, which are essentially icons
       that blink on and off at a specifiable rate. is it possible to create
       such a thing in clim?

       I'd like to have something in my app windows which blinks at a steady
       rate, to notify the users that there is something of some significance
       which needs attention.

   There is not presently any advertised facility in CLIM (either 1.1 or
   2.0) for managing blinkers.  That is not to say that there will never be
   such a facility, but there isn't one right now.

This looks like a good candidate for a user library contribution to
me!  Just use the process-management functions in the CLIM-UTILS
(for CLIM 1.1) or CLIM-SYS (for CLIM 2.0) package to setup a
background process that maps over the blinkers on some per-root/port
list, blinking them on their associated windows as necessary.


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