Re: NSProgressIndicator's setUsesThreadedAnimation only works sometimes?
Re: NSProgressIndicator's setUsesThreadedAnimation only works sometimes?
- Subject: Re: NSProgressIndicator's setUsesThreadedAnimation only works sometimes?
- From: Keary Suska <email@hidden>
- Date: Sat, 14 Mar 2009 11:17:51 -0600
On Mar 13, 2009, at 4:20 PM, Sean McBride wrote:
Hi all,
I'm trying to make a cheap, modal, indeterminate progress dialog, but
I'm having trouble animating the progress bar.
(Yes, I know this is only slightly better than the spinning wheel of
death. Yes, I know I should thread my long running code. Yes, I
know I
should not block the main thread. One day...)
The docs for NSProgressIndicator's setUsesThreadedAnimation say "This
value is only a hint and may be ignored". Indeed, sometimes it
animates
and sometimes it does not. I can't find any pattern.
Is there a way to reliably make an NSProgressIndicator animate while
the
main thread is blocked?
I have had success using -beginModalSessionForWindow: and an NSTimer
that calls a method that checks for an end condition and calls -
runModalSession:.
I have mostly used this in cases where I needed asynchronous behavior
but I need to block the UI.
HTH,
Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"
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