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diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/participant/KeyToCommand.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/participant/KeyToCommand.java
new file mode 100644
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+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/participant/KeyToCommand.java
@@ -0,0 +1,83 @@
+/*******************************************************************************
+ * 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.participant;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant;
+import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;
+import org.simantics.scenegraph.g2d.events.KeyEvent;
+import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;
+import org.simantics.scenegraph.g2d.events.KeyEvent.KeyPressedEvent;
+import org.simantics.scenegraph.g2d.events.command.CommandEvent;
+import org.simantics.scenegraph.g2d.events.command.CommandKeyBinding;
+import org.simantics.scenegraph.g2d.events.command.Commands;
+
+/**
+ * Converts key presses to commands. 
+ * Do not use this in eclipse environment, use XXXTODO instead which
+ * converts eclipse commands into g2d commands.
+ * 
+ * CommandKeyBinding.DEFAULT_BINDINGS
+ * 
+ * @See {@link CommandKeyBinding} command bindings
+ * @See {@link Commands} commands
+ * @author Toni Kalajainen
+ */
+public class KeyToCommand extends AbstractCanvasParticipant {
+
+	@Dependency KeyUtil keyUtil;
+	List<CommandKeyBinding> binds = new ArrayList<CommandKeyBinding>();
+	
+	public KeyToCommand(CommandKeyBinding... binds) {
+		assert(binds!=null);
+		for (CommandKeyBinding b : binds)
+			this.binds.add(b);
+	}
+	
+	public KeyToCommand(Collection<CommandKeyBinding> binds) {
+		assert(binds!=null);
+		this.binds.addAll(binds);
+	}
+	
+	public void addBinding(CommandKeyBinding binding) {
+		if (!this.binds.contains(binding))
+			this.binds.add(binding);
+	}
+
+	@EventHandler(priority = Integer.MIN_VALUE)
+	public boolean handleKeyEvent(KeyEvent e) {
+	    //System.out.println("keytocommand " + e);
+		boolean pressed = (e instanceof KeyPressedEvent);
+		nextBinding:		
+		for (CommandKeyBinding ckb : binds) {
+			int keyCode = ckb.keyCode[0];
+			boolean _down = keyCode>0;
+			if (_down != pressed) continue;
+			if (!_down) keyCode = -keyCode;			
+			if (e.keyCode != keyCode) continue;
+			for (int i=1; i<ckb.keyCode.length; i++) {
+				int code = ckb.keyCode[i];
+				boolean down = code>0;
+				if (!down) code = -code;				
+				if (keyUtil.isKeyPressed(code) ^ down)
+					continue nextBinding;
+			}
+			CommandEvent ce = new CommandEvent(getContext(), e.time, ckb.command);
+			getContext().getEventQueue().queueFirst(ce);
+		}
+		return false;
+	}	
+	
+}