Re: Unified toolbar going blank
Re: Unified toolbar going blank
- Subject: Re: Unified toolbar going blank
- From: Keith Blount <email@hidden>
- Date: Sat, 12 Aug 2006 09:59:07 -0700 (PDT)
Sorry to reply to my own post, but this issue is
getting _really_ annoying, now. My unified toolbar has
suddenly gone completely blank at least four times
today. Hiding and showing the toolbar again fixes the
issue, but it is still not good. I get no crashes or
any other issues, I can't see any memory management
issues with regard to the toolbar or any of the
toolbar items, and I'm not leaving any drawing in a
weird state in any of my views - every -lockFocus has
a corresponding -unlockFocus.
The only thing I can think of is that I am doing a lot
of toolbar validation via -validateUserInterfaceItem:,
as the issue seems to happen - albeit randomly and
unpredictably - during the window update process when
the first responder changes - but this shouldn't cause
all of the items to disappear. Besides, it's not just
the toolbar items that disappear, but also the toolbar
show/hide button and also the minimize/zoom yellow and
green buttons in the top left of the window.
Is there no one else out there having this problem
with a unified (or any other) toolbar? Does anybody
have any ideas of why the toolbar might suddenly go
blank like this? Or even better, how I can fix it?
Again, many thanks in advance.
---
FROM : Keith Blount
DATE : Fri Aug 11 11:00:35 2006
Hello,
Earlier in the year, someone posted about an issue
where their unified toolbar would occasionally go
completely blank:
http://www.cocoabuilder.com/archive/message/cocoa/2006/2/20/157168
At the time, I had seen this issue a couple of times,
as I posted then. Since then, I seem to be seeing it
more and more in my own app. Maybe this is just
because it is the unified-look app that I spend the
most time with.
Has anybody else come across this issue? Does anybody
know if this is a bug in the AppKit (I have filed a
bug just in case), or has anybody come across the
issue and found that it was a bug in their own code?
If so, how did you fix it? This seems to happen very
randomly and only fairly rarely, but it is annoying
nonetheless. And perhaps (as a poster to the earlier
thread suggested) it is just an NSView bug (the other
day half of my NSOutlineView rows disappeared for no
reason - no custom drawing going on).
I really just want to know whether this is a bug at my
end or Apple's. :)
Thanks in advance.
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