-static void
-on_selection_changed (GtkFileChooser *chooser, GtkWidget *encoding_selector)
-{
- const gchar *sysname;
-
- const gchar *name = gtk_file_chooser_get_filename (chooser);
-
- if ( NULL == name )
- return;
-
- sysname = convert_glib_filename_to_system_filename (name, NULL);
-
- gtk_widget_set_sensitive (encoding_selector, ! any_reader_may_open (sysname));
-}
-