Some pointing device has been moved
| type | Touch or mouse. Notify as a mouse, not as a mouse button type. |
| x | X position |
| y | Y position |
| cx | Contact width (number of pixels), 1 for mouse |
| cy | Contact height (number of pixels), 1 for mouse |
| shift | Modifier key state (including mouse press state), 0 when touching |
| id | Touch ID, always 0 when using mouse |