[R] Floating windows in TCLTK

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Wed Nov 14 14:26:03 CET 2001

Prof Brian Ripley <ripley at stats.ox.ac.uk> writes:

> > I suspect that this is a windows issue rather than anything specific to
> > Tk/Tcl in R.  Under windows NT, and presumably win 2000, you can download a
> > utility from microsoft called TweakUI which allows you to change the
> > behaviour of windows.  If you choose to have the focus following the mouse,
> > and no raising of windows with the focus, you should get the behaviour you
> > want.
> Unfortunately not (I use TweakUI to have focus following the mouse: it
> doesn't raise focussed windows for me).  This works perfectly with
> multiple R windows in --sdi mode, *except* with package tcltk.
> It seems Tcl/Tk on Windows uses some hidden windows to manage its event
> queue, with the result that all visible windows lose focus, and you have
> to click on one of them.  So I think it is a Tcl/Tk issue.

Just a hunch: There's one window that we hide ourselves (because
quitting it kills the Tcl interpreter), namely the "." (root) window.
What happens if you do a .Tcl("wm deiconify .") ?

   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
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