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diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/canvas/impl/MouseCursorContext.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/canvas/impl/MouseCursorContext.java
new file mode 100644
index 000000000..a0f354152
--- /dev/null
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/canvas/impl/MouseCursorContext.java
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+/*******************************************************************************
+ * 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
+ *******************************************************************************/
+package org.simantics.g2d.canvas.impl;
+
+import java.awt.Cursor;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Stack;
+
+import org.simantics.g2d.canvas.IMouseCursorContext;
+import org.simantics.g2d.canvas.IMouseCursorHandle;
+import org.simantics.g2d.canvas.IMouseCursorHandleListener;
+import org.simantics.g2d.canvas.IMouseCursorListener;
+import org.simantics.utils.datastructures.ListenerList;
+import org.simantics.utils.threads.IThreadWorkQueue;
+import org.simantics.utils.threads.SyncListenerList;
+
+/**
+ * @author Toni Kalajainen
+ */
+public class MouseCursorContext implements IMouseCursorContext {
+
+    protected Map<Integer, Stack<CursorReserve>> mouseCursorStack =
+        new HashMap<Integer, Stack<CursorReserve>>();
+
+    protected SyncListenerList<IMouseCursorListener> cursorListeners =
+        new SyncListenerList<IMouseCursorListener>(IMouseCursorListener.class);
+    
+
+    public void addCursorListener(IMouseCursorListener listener) {
+        cursorListeners.add(listener);
+    }
+    public void addCursorListener(IMouseCursorListener listener, IThreadWorkQueue thread) {
+        cursorListeners.add(thread, listener);
+    }    
+    public void removeCursorListener(IMouseCursorListener listener) {
+        cursorListeners.remove(listener);
+    }
+    public void removeCursorListener(IMouseCursorListener listener, IThreadWorkQueue thread) {
+        cursorListeners.remove(thread, listener);
+    }
+    
+    private final static Method onCursorSet = SyncListenerList.getMethod(IMouseCursorListener.class, "onCursorSet");
+    protected void fireSetCursor(int mouseId, Cursor cursor) {
+        cursorListeners.fireEventSync(onCursorSet, this, mouseId, cursor);
+    }
+    protected void fireAsyncSetCursor(int mouseId, Cursor cursor) {
+        cursorListeners.fireEventAsync(onCursorSet, this, mouseId, cursor);
+    }
+        
+    
+    class CursorReserve implements IMouseCursorHandle
+    {
+        Cursor cursor;
+        int mouseId;
+        ListenerList<IMouseCursorHandleListener> listeners;        
+        public CursorReserve(Cursor cursor, int mouseId)
+        {
+            this.cursor = cursor;
+            this.mouseId = mouseId;
+        }
+        @Override        
+        public void remove() {
+            synchronized(MouseCursorContext.this)
+            {
+                Stack<CursorReserve> cursorStack = mouseCursorStack.get(mouseId);
+                if (cursorStack == null || !cursorStack.contains(this))
+                    return;
+                
+                boolean wasLast = cursorStack.lastElement()==this;
+                cursorStack.remove(this);
+                if (cursorStack.isEmpty()) {
+                    _setCursor(mouseId, null);
+                    return;
+                }
+                // Select the second last cursor
+                if (wasLast) {
+                    CursorReserve newLast = cursorStack.peek();
+                    if (newLast==null) {
+                        _setCursor(mouseId, null);
+                    } else {
+                        Cursor newCursor = newLast.cursor;
+                        if (!cursor.equals(newCursor))
+                            _setCursor(mouseId, newCursor);                        
+                    }
+                }
+            }
+        }
+        @Override
+        public Cursor getCursor() {
+            return cursor;
+        }
+        @Override
+        public int getMouseId() {
+            return mouseId;
+        }
+        void fireOnRemoved() {
+            ListenerList<IMouseCursorHandleListener> lis;
+            synchronized(this) {
+                lis = listeners;
+                if (lis==null) return;
+            }
+            
+            for (IMouseCursorHandleListener l : lis.getListeners())
+                l.onMouseCursorRemoved(this);
+        }
+        
+        @Override
+        public synchronized void addMouseCursorHandleListener(IMouseCursorHandleListener listener) {
+            if (listeners == null) {
+                listeners = new ListenerList<IMouseCursorHandleListener>(IMouseCursorHandleListener.class);
+            }
+            listeners.add(listener);
+        }
+        @Override
+        public synchronized void removeMouseCursorHandleListener(IMouseCursorHandleListener listener) {
+            if (listeners == null) return;
+            listeners.remove(listener);
+        }      
+    }
+    
+    @Override
+    public synchronized IMouseCursorHandle setCursor(int mouseId, Cursor cursor) {
+        assert(cursor!=null);
+        Stack<CursorReserve> cursorStack = mouseCursorStack.get(mouseId);
+        if (cursorStack == null) {
+            cursorStack = new Stack<CursorReserve>();
+            mouseCursorStack.put(mouseId, cursorStack);
+        }
+        CursorReserve cr = new CursorReserve(cursor, mouseId);
+        cursorStack.push(cr);
+        _setCursor(mouseId, cursor);
+        return cr;
+    }
+    
+    protected void _setCursor(int mouseId, Cursor cursor)
+    {
+        fireAsyncSetCursor(mouseId, cursor);    
+    }
+    
+    
+}