A function used by gtk_tree_selection_set_select_function() to filter whether or not a row may be selected. It is called whenever a row's state might change. A return value of %TRUE indicates to selection that it is okay to change the selection.
selection
A #GtkTreeSelection
A #GtkTreeModel being viewed
The #GtkTreePath of the row in question
%TRUE, if the path is currently selected
A function used by gtk_tree_selection_set_select_function() to filter whether or not a row may be selected. It is called whenever a row's state might change. A return value of %TRUE indicates to
selection
that it is okay to change the selection.