| Value | Meaning |
|---|---|
| Up0 | the window is scrolled up. |
| Down1 | the window is scrolled down. |
| Left2 | the window is scrolled to the left. |
| Right3 | the window is scrolled to the right. |
| Smooth4 | the scrolling is determined by the delta values in #GdkEventScroll. See gdk.event.Event.getScrollDeltas. Since: 3.4 |
Specifies the direction for #GdkEventScroll.