+void
+Editor::show_all_edit_groups ()
+{
+ Gtk::TreeModel::Children children = group_model->children();
+ for(Gtk::TreeModel::Children::iterator iter = children.begin(); iter != children.end(); ++iter) {
+ (*iter)[group_columns.is_visible] = true;
+ }
+}
+
+void
+Editor::hide_all_edit_groups ()
+{
+ Gtk::TreeModel::Children children = group_model->children();
+ for(Gtk::TreeModel::Children::iterator iter = children.begin(); iter != children.end(); ++iter) {
+ (*iter)[group_columns.is_visible] = false;
+ }
+}
+