private static bool DrawItem(OpenCog.BlockSet.BaseBlockSet.OCBlock block, bool selected) {
Rect position = GUILayoutUtility.GetRect(0, 40, GUILayout.ExpandWidth(true));
if(selected) GUI.Box(position, GUIContent.none);
GUIStyle labelStyle = new GUIStyle(GUI.skin.label);
labelStyle.alignment = TextAnchor.MiddleLeft;
Rect texRect = new Rect(position.x+4, position.y+4, position.height-8, position.height-8);
block.DrawPreview(texRect);
Rect labelRect = position;
labelRect.xMin = texRect.xMax+4;
GUI.Label(labelRect, block.GetName(), labelStyle);
return Event.current.type == EventType.MouseDown && Event.current.button == 0 && position.Contains(Event.current.mousePosition);
}
