Nothing
# Accessing the child model in a selection changed callback
selection_changed <- function(selection, data)
{
# Get the current selected row and the model.
selected <- selection$getSelected()
if (!selected[[1]])
return()
## Look up the current value on the selected row and get a new value
## to change it to.
some_data <- selected$model$get(selected$iter, COLUMN_1)
modified_data <- change_the_data(some_data)
## Get an iterator on the child model, instead of the sort model.
child_iter <- sort_model$convertIterToChildIter(selected$iter)$iter
## Get the child model and change the value of the row. In this
## example, the child model is a GtkListStore. It could be any other
## type of model, though.
child_model <- sort_model$getModel()
child_model$set(child_iter, COLUMN_1, modified_data)
}
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