In fact, the same thing happens (window freezes) when a long computation
generated by the tcltk window is stopped through the R console.
library(tcltk)
library(svMisc)
win<-tktoplevel()
n<-10000
ff<-function(){
for(i in 1:n){progress(i,n)}
}
button<-tkbutton(win,text="test",command=ff)
tkpack(button)
Francois Rousseu
> From: francoisrous...@hotmail.com
> To: r-help@r-project.org
> Date: Sun, 6 Nov 2011 21:55:58 -0500
> Subject: [R] tcltk window freezes when using locator( )
>
>
> Hello useRs
>
> Using the following code:
>
> library(tcltk)
> win<-tktoplevel()
> ff<-function(){
> plot(1:10,1:10)
> pol<-locator(1)
> print(pol)
> }
> button<-tkbutton(win,text="test",command=ff)
> tkpack(button)
>
> makes the win panel stop responding when the plot is closed before choosing a
> location. Usually, the windows task manager
> has to be used to close the window (which causes R to be stopped as well) or
> a message saying that R is not responding is
> displayed. I was having the same problem with R 2.13.0 so I upgraded to
> 2.14.0 but the problem persists. I am using windows 7.
>
> > sessionInfo()
> R version 2.14.0 (2011-10-31)
> Platform: x86_64-pc-mingw32/x64 (64-bit)
> locale:
> [1] LC_COLLATE=French_Canada.1252 LC_CTYPE=French_Canada.1252
> [3] LC_MONETARY=French_Canada.1252 LC_NUMERIC=C
> [5] LC_TIME=French_Canada.1252
> attached base packages:
> [1] tcltk stats graphics grDevices utils datasets methods base
>
> Am I doing something wrong or more likely is this a bug?
>
> Thanks,
> Francois Rousseu
>
>
>
>
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>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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