and if it isn't acting as a containment, but an applet, then use the standard configuration mechanism as provided by Applet

svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=862308

containment.cpp

@@ -1395,6 +1395,8 @@ void Containment::showConfigurationInterface()
 {
     if (isContainment()) {
         emit configureRequested();
+    } else {
+        Applet::showConfigurationInterface();
     }
 }