[R-SIG-Mac] OS X GUI Issue

[Byron Ellis]

Yes, the window created in the RQuartz should probably not be created  
'deferred' in this case since a CGContextRef won't be available until  
the window actually appears on a screen.

On Aug 8, 2005, at 1:58 PM, Kyle G. Lundstedt wrote:

> Hi all,
>      I'm using the R 2.1.1 framework and the associated R 1.12 Aqua
> GUI on OS X Tiger.  I think I've found a bug in the GUI.  I'm working
> with a large dataset (about 400,000 records and 50 variables), and
> tried to do a densityplot of one of the variables (with the dataset
> attached).
>      Because the operation takes a minute or two, I hid the R
> application using the Cmd-H shortcut, and opened up the Mail
> application to check mail.  I then minimized the Mail app a minute or
> so later, and restored the R application by clicking once on the R
> icon in the Dock.
>      The R app came to the forefront, but the console had the
> following error message:
>
>
>> densityplot(~ CurrentBalance | FICO, plot.points = FALSE)
>>
> 2005-08-08 13:38:03.251 R[2244] *** Assertion failure in -
> [RDeviceView lockFocus], AppKit.subproj/NSView.m:3244
> 2005-08-08 13:38:03.323 R[2244] *** NSTimer discarding exception
> 'lockFocus sent to a view whose window is deferred and does not yet
> have a corresponding platform window' that raised during firing of
> timer with target 11dead0 and selector 'kickstart:'
>
>      From the contents of the message, I suspect that there might be
> a bug with the GUI that occurs when trying to graph using the Quartz
> device when the R app is hidden.
>
> Thanks,
> Kyle
>
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---
Byron Ellis (ellis at stat.harvard.edu)
"Oook" -- The Librarian