| Action | Controls |
|---|---|
| Step through algorithm | Right-arrow key |
| Select node/edge | Left click |
| Deselect node/edge | Esc key |
| Node movement | Left click and drag (Ctrl key may be kept down to disable auto-alignment) |
| Edit edge weight | Left click (on weight rectangle) |
| Adding a node | Shift + left click on blank space (source node must be previously selected) |
| Adding an edge | Shift + left click on another node (source node must be previously selected) |
| Remove a node/edge | Delete key (node/edge must previously be selected) |
| Saving a graph | Right click on a graph (in the main window) |
| Loading a graph | Left click on a graph (in the “Select graph” window) |
| Removing a saved graph | Right click on a graph (in the “Select graph” window) |
| Zoom | Mouse wheel (over the main window) |
| Reset algorithm | Esc |