Merge pull request openframeworks#1390 from nongio/bugfix-eventcallbacks

Bugfix eventcallbacks
elliotwoods · Jul 9, 2012 · 3c9d317 · 3c9d317
2 parents 41dffa7 + dc4c214
commit 3c9d317
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/libs/openFrameworks/events/ofEventUtils.h b/libs/openFrameworks/events/ofEventUtils.h
@@ -51,11 +51,13 @@ class ofEvent: public Poco::FIFOEvent<ArgumentsType> {
 //     ofAddListener(addon.newIntEvent, this, &Class::method)
 template <class EventType,typename ArgumentsType, class ListenerClass>
 static void ofAddListener(EventType & event, ListenerClass  * listener, void (ListenerClass::*listenerMethod)(const void*, ArgumentsType&)){
+    event -= Poco::delegate(listener, listenerMethod);
     event += Poco::delegate(listener, listenerMethod);
 }
 
 template <class EventType,typename ArgumentsType, class ListenerClass>
 static void ofAddListener(EventType & event, ListenerClass  * listener, void (ListenerClass::*listenerMethod)(ArgumentsType&)){
+    event -= Poco::delegate(listener, listenerMethod);
     event += Poco::delegate(listener, listenerMethod);
 }