path = gtk_tree_path_new_from_indices (page - 1, -1);
selection = gtk_tree_view_get_selection
(GTK_TREE_VIEW (sidebar->priv->tree_view));
path = gtk_tree_path_new_from_indices (page - 1, -1);
selection = gtk_tree_view_get_selection
(GTK_TREE_VIEW (sidebar->priv->tree_view));