On Jul 27, 2012, at 10:36 AM, Curt Clifton <[email protected]> wrote:

> On Jul 27, 2012, at 8:55 AM, Nick Zitzmann <[email protected]> wrote:
> 
>> But I need to be able to see **all** invocations of the method from **all** 
>> NSViews to catch the culprit, because I have a rather complicated view 
>> hierarchy, including some views for which I don't have the source, and I 
>> don't know exactly which view is doing this. In order to do that, I need to 
>> set a conditional breakpoint, and this would be easy if an NSRect could be 
>> stored in a register, but how do I set a conditional breakpoint when the 
>> variable I want to investigate is on the stack? And where would I find each 
>> of the CGFloats on the stack?
> 
> For debugging, you might consider swizzling NSView's -setNeedsDisplayInRect: 
> to do the conditional logging that Markus suggested.


I usually don't like swizzling; it feels like black magic to me. But since it 
was just for debugging, this time I put on my blue robe and pointy yellow 
wizard hat anyway, and found and fixed the problem. Thanks.

Nick Zitzmann
<http://www.chronosnet.com/>


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