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diff --git a/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/events/EventHandlerStack.java b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/events/EventHandlerStack.java
new file mode 100644
index 000000000..f66023b97
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+++ b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/events/EventHandlerStack.java
@@ -0,0 +1,89 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+/*
+ *
+ * @author Toni Kalajainen
+ */
+package org.simantics.scenegraph.g2d.events;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.simantics.utils.datastructures.prioritystack.PriorityStack;
+import org.simantics.utils.threads.CurrentThread;
+import org.simantics.utils.threads.IThreadWorkQueue;
+import org.simantics.utils.threads.ThreadUtils;
+
+/**
+ * @see IEventHandlerStack
+ * 
+ * @author Toni Kalajainen
+ */
+public class EventHandlerStack extends PriorityStack<IEventHandler> implements IEventHandlerStack {
+
+    IThreadWorkQueue thread;
+
+    /**
+     * Creates a new event handler stack.
+     * 
+     * Any event handled with this stack is handled in current thread.
+     */
+    public EventHandlerStack() {
+        super(IEventHandler.class);
+        this.thread = CurrentThread.getThreadAccess();
+    }
+
+    /**
+     * Creates a new event handler stack. Any event handled with this stack is
+     * handled in the given thread.
+     * 
+     * @param eventHandlingThread
+     */
+    public EventHandlerStack(IThreadWorkQueue eventHandlingThread) {
+        super(IEventHandler.class);
+        this.thread = eventHandlingThread;
+    }
+
+    @Override
+    public int getEventMask() {
+        return EventTypes.AnyMask;
+    }
+
+    @Override
+    public boolean handleEvent(final Event e) {
+        final int eventType = EventTypes.toTypeMask(e);
+        if (thread.currentThreadAccess()) {
+            // Send event through interactor stack
+            IEventHandler list[] = toArray();
+            for (int i = list.length - 1; i >= 0; i--)
+                if (EventTypes.passes(list[i], eventType) && list[i].handleEvent(e))
+                    return true;
+            return false;
+        } else {
+            final AtomicBoolean result = new AtomicBoolean(false);
+            Runnable run = new Runnable() {
+                @Override
+                public void run() {
+                    // Send event through interactor stack
+                    IEventHandler list[] = toArray();
+                    for (int i = list.length - 1; i >= 0; i--)
+                        if (EventTypes.passes(list[i], eventType) && list[i].handleEvent(e)) {
+                            result.set(true);
+                            return;
+                        }
+                }
+            };
+            ThreadUtils.syncExec(thread, run);
+            return result.get();
+        }
+    }
+
+}