[R-gui] tcltk notebook question: Accessing tabs in ttknotebooks

[jverzani]

Ulrike Grömping <groemping <at> bht-berlin.de> writes:


> 
> Dear John, dear all,
> 
> while John's solution helped nicely for modifying the state of a tab, I 
> am again stuck with selecting a tab. I've managed to capture the tabs 
> numeric id (0-based). But using tkselect or tcl does not get me where I 
> want. The code below shows a simplified version of what I tried:
> 
>         Rcmdr.new.FrF2()     ## displays a window that contains a 
> notebook (named tn) with 6 tabs
>                              ## and the first tab selected with one 
> widget having the focus
>         tcl(tn, "select", 1) ## for selecting the second tab; produces 
> an error and leaves first tab selected
> 
> Error message:
> Error in structure(.External("dotTclObjv", objv, PACKAGE = "tcltk"), 
> class = "tclObj") :
>   [tcl] invalid command name ".179.1"
> 



You have the right command: tcl(tn, "select", 1)
The error suggests the tn "window" does not exist. Check it first with something
like: tkwinfo(tn, "exists") to see what is happening. 

Hope that helps,

--John




> What am I doing wrong ? Again, any help is appreciated!
> 
> Regards, Ulrike
>