Julien Glenat wrote:
Hi , i am using R 1.8 and tcltk library in order to make a GUI and i would
like to know if it is possible to link a check box to one or more entry
dynamically (and eventually other widgets) .
( in concrete terms : if the check box is ticked the entry is avaible for
input and unavaible when not ticked)
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Are you looking for something like this?
require(tcltk)
cbValue <- tclVar("0"); info<-tclVar("initial text")
top <- tktoplevel()
cb <- tkcheckbutton(top,variable=cbValue,text="write or not")
en <- tkentry (top,textvariable=info,state="disabled")
exit<- tkbutton (top, text="exit", command=function() tkdestroy(top))
tkpack(cb,en,exit)
set.entry.state<-function(){
on.off<-tclvalue(cbValue)
if(on.off=="1") tkconfigure(en, state="normal")
if(on.off=="0") tkconfigure(en, state="disabled")
print(on.off)
}
tkbind(top,"<1>",set.entry.state)
Do you know http://bioinf.wehi.edu.au/~wettenhall/RTclTkExamples?
Peter Wolf
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