Re: NSProgressIndicator's setUsesThreadedAnimation only works sometimes?
Re: NSProgressIndicator's setUsesThreadedAnimation only works sometimes?
- Subject: Re: NSProgressIndicator's setUsesThreadedAnimation only works sometimes?
- From: Rob Ross <email@hidden>
- Date: Fri, 13 Mar 2009 15:33:46 -0700
Your question was if there was a reliable way of doing it, and as you
have experienced, that's the best you can hope to achieve without
using a separate thread.
Rob
On Mar 13, 2009, at 3:29 PM, Sean McBride wrote:
Rob,
Thanks for your reply. But what you say can't be so. As I said,
sometimes my 'hint' is accepted and the progress bar animates, and I
am
definitely blocking the main thread with my own code at the same time.
But it only works sometimes, and I'm looking to make it work all the
time. But the docs are not encouraging.
On 3/13/09 3:25 PM, Rob Ross said:
No, none at all. The main AppKit thread is the thread that will be
repainting your progress bar. If it's blocked, it can't paint the new
state of your progress bar.
Rob
On Mar 13, 2009, at 3:20 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?
Thanks,
--
____________________________________________________________
Sean McBride, B. Eng email@hidden
Rogue Research www.rogue-research.com
Mac Software Developer Montréal, Québec, Canada
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