Re: [Rd] tcltk freezing using MS Windows for R-2.14+

From: Keith <>
Date: Wed, 19 Dec 2012 16:27:51 +1100


thanks so much for this clue.

I have found that if I reduced the time in seconds from 0.1 to 0.01 to 0.001 to 0.0001 I only had problems with freezing on the 0.0001 time.

I tested on Win7(64 bit) on an Intel core i7 870 at 2.93GHz (16GB ram)(8 cores)
and a WinXP (32bit) Pentium 4 3.01GHz (2GB ram) using R-2.15.2(2012-10-26) on both.

I had previously found that the tkgrab.set command seemed to be the one actually freezing
so I placed the sleep command just before that with the same result as it being just after the tktoplevel command.

I am now going to try it in my packages affylmGUI and limmaGUI, probably with a sleep time of 0.1 to be on the safe side,

many thanks,

Keith Satterley

On 18/12/2012 9:38 PM, Moeltner, Andreas wrote:
> R Version 2.15.0/Windows XP
> Maybe this will help to identify the problem (I have similar problems with other tcltk-windows, too.)
> Inserting some time delay after tktoplevel helps (on my PC):
>> test2GUI <- function(){
>> require(tcltk)
>> MainWindow <- tktoplevel()
> Sys.sleep(0.1)
>> topMenu <- tkmenu(MainWindow)
>> tkconfigure(MainWindow,menu=topMenu)
>> tkgrab.set(MainWindow)
>> tkfocus(MainWindow)
>> }
> Cheers
> Andreas
> Andreas Möltner

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