+static gboolean
+select_next_valid_row (GtkTreeModel *model,
+ GtkTreeRowReference **row_reference,
+ gboolean cycle)
+{
+ GtkTreeIter tmp_iter;
+ GtkTreePath *path, *next;
+ gboolean retval = FALSE;
+
+ g_return_val_if_fail (gtk_tree_row_reference_valid (*row_reference), FALSE);
+
+ path = gtk_tree_row_reference_get_path (*row_reference);
+ gtk_tree_model_get_iter (model, &tmp_iter, path);
+ gtk_tree_row_reference_free (*row_reference);
+ *row_reference = NULL;
+
+ if (gtk_tree_model_iter_next (model, &tmp_iter)) {
+ next = gtk_tree_model_get_path (model, &tmp_iter);
+ *row_reference = gtk_tree_row_reference_new (model, next);
+ retval = TRUE;
+ } else if (cycle && gtk_tree_model_get_iter_first (model, &tmp_iter)) {
+ next = gtk_tree_model_get_path (model, &tmp_iter);
+
+ /* Ensure that we are not selecting the same */
+ if (gtk_tree_path_compare (path, next) != 0) {
+ *row_reference = gtk_tree_row_reference_new (model, next);
+ retval = TRUE;
+ }
+ }