Re: [MACTCL] more on Tk Cocoa updates

[Steven <ste...@ya...>]

Thanks for the succinct test case.

With regards to what Kevin says, and the lack of progress being made,
perhapsthe best hope is to loby Apple for a paid guru to fix this up.


Steven



----- Original Message -----
> From: Kevin Walzer <kw...@co...>
> To: tc...@li...
> Cc: 
> Sent: Saturday, 21 July 2012 7:10 AM
> Subject: Re: [MACTCL] more on Tk Cocoa updates
> 
> On 7/20/12 3:33 PM, Adrian Robert wrote:
>>  Unfortunately, it seems like everyone who ventures into this code, whatever 
> their skills and determination, ends up heading back out vanquished.  And a 
> complete rewrite is too big of a task to contemplate.
> 
> That includes me. It's been awhile since I dove into the code, but as I 
> recall, it did involve integration of the Tk and Cocoa event loops at a 
> very low level. Daniel Steffen's comment in the thread / bug report that 
> Adrian referenced is probably the most astute diagnosis:
> 
> "it seems repeated Tcl_ServiceAll() isn't providing quite the semantics
> needed here, the idle queue should really be processed only once per
> runloop observer invocation (but all other pending tcl events should be
> drained)
> ISTR trying to achieve this via Tcl_DoOneEvent() invocations initially and
> being unsuccessful (git history may provide details), we may need extra
> support in tclNotify.c for this."
> 
> Daniel is the author of the Cocoa port of Tk, and probably the only 
> person qualified to do attack this issue, but as he is not much involved 
> in Tk maintenance anymore, I'm afraid we're stuck wtih these issues.
> 
> --Kevin
> 
> -- 
> Kevin Walzer
> Code by Kevin
> http://www.codebykevin.com
> 
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