On 4 Aug 2009, at 15:51, McLaughlin, Michael P. wrote:
[snip]
This function is called periodically via the Event Loop. There is one
custom view in the window and it *does* redraw as desired. However,
the
title draws only the first time, giving t = 0 in the title and never
changing.
I would like the title to update with time.
Can anyone point out what I am missing? [Note: The NSString, title,
is a
class member.]
If I had to guess what the problem was, I'd guess that you're using an
NSTimer but that your run loop is not running in the default mode
(maybe you're displaying a sheet or a modal dialog or something?) and
you haven't added the timer to the run loop for the mode it *is*
running in.
As a result, the first invocation is happening (perhaps because the
run loop is in a different mode at that point, perhaps because you're
directly invoking it yourself), but subsequently the timer isn't firing.
At any rate, I don't think the bug is in the code you posted (though I
wouldn't be inclined to use -setViewsNeedDisplay: or the -display
message as you were doing).
Kind regards,
Alastair.
--
http://alastairs-place.net
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