Nothing
if(interactive()) {
## a tour of the selection widgets
w <- gwindow("Selection widgets")
lyt <- glayout(cont=w)
## checkbox
lyt[1,1] <- "checkbox"
lyt[1,2] <- gcheckbox("checkbox", checked=FALSE, cont=lyt)
## radio button group
lyt[2,1] <- "radio buttons"
lyt[2,2] <- gradio(state.name[1:3], selected=2, cont=lyt, horizontal=TRUE)
## checkbox group
lyt[3,1] <- "checkbox group"
lyt[3,2] <- gcheckboxgroup(state.name[1:3], checked=c(TRUE, FALSE, TRUE), cont=lyt, horizontal=TRUE)
## checkbox group, using atable
lyt[4,1] <- "checkbox group"
lyt[4,2] <- gcheckboxgroup(state.name[1:3], checked=c(TRUE, FALSE, TRUE), cont=lyt, use.table=TRUE)
## combobox (drop list)
lyt[5,1] <- "combobox"
lyt[5,2] <- gcombobox(state.name, selected=match("New York", state.name), cont=lyt)
## editable combobox
lyt[6,1] <- "editable combobox"
lyt[6,2] <- gcombobox(state.name, selected=match("New York", state.name), cont=lyt, editable=TRUE)
lyt[7,1:2] <- gseparator(cont=lyt)
lyt[8,2] <- gbutton("values", cont=lyt, handler=function(h,...) {
print(sapply(lyt[1:6, 2], svalue))
})
visible(w) <- TRUE
}
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