+/** Examine the state of a Configuration setting and a toggle action, and toggle the Configuration
+ * setting if its state doesn't match the toggle action.
+ * @param group Action group.
+ * @param action Action name.
+ * @param Method to set the state of the Configuration setting.
+ * @param Method to get the state of the Configuration setting.
+ */
+void
+ActionManager::toggle_config_state (const char* group, const char* action, bool (UIConfiguration::*set)(bool), bool (UIConfiguration::*get)(void) const)
+{
+ Glib::RefPtr<Action> act = ActionManager::get_action (group, action);
+
+ if (act) {
+ Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
+
+ if (tact) {
+ bool x = (ARDOUR_UI::config()->*get)();
+
+ if (x != tact->get_active()) {
+ (ARDOUR_UI::config()->*set) (!x);
+ }
+ }
+ }
+}
+