| Value | Meaning |
|---|---|
| NONE0 | Don't emit scroll. |
| VERTICAL1 | Emit scroll with vertical deltas. |
| HORIZONTAL2 | Emit scroll with horizontal deltas. |
| DISCRETE4 | Only emit deltas that are multiples of 1. |
| KINETIC8 | Emit decelerate after continuous scroll finishes. |
| BOTH_AXES3 | Emit scroll on both axes. |
Describes the behavior of a gtk.EventControllerScroll