| AddEdges | Mouse handler for adding edges. |
| AddVertices | Mouse handler that adds a vertex at the given position. |
| MoveSelection | Mouse handler for adding edges. |
| RollOverOverlay | Mouse overlay for a GraphPanel that highlights the roll over element
when the mouse is moving or being dragged. |
| Rotate3D | Mouse handler which can be used to rotate a 3-dimensional model. |
| SelectElements | Mouse handler which allows changing the selection by clicking
on elements in a GraphPanel. |
| SelectRectangle | Mouse handler which allows elements on a GraphPanel to be
selected by means of a 'rubber band' rectangle. |
| SplitEdges | Mouse handler that splits an edege at the given position. |