Thank you for taking interest in this problem.
Both solutions proposed worked out very smoothly. I'm certainly going to
use the gWidgets package more often in my future R projects.
Best regards,
João Gonçalves
jverzani wrote:
João G.<joaofgo<at> gmail.com> writes:
Thank you! That worked out nicely.
I leave here the code used in case it turns out useful for someone else:
If you wanted to do this with gWidgetstcltk you could do this:
library(gWidgets)
options(guiToolkit="tcltk")
d<- mtcars ## some data frame
w<- gwindow()
g<- ggroup(cont=w, horizontal=FALSE)
namesCb<- gcombobox(names(d),selected=1, cont=g)
valsCb<- gcombobox(c(""), cont=g)
updateCb<- function(varname) {
valsCb[]<- d[[varname]]
svalue(valsCb, index=TRUE)<- 1
}
addHandlerChanged(namesCb, function(h,...) updateCb(svalue(h$obj)))
updateCb(svalue(namesCb))
--John
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