Value | Symbolic name | Description |
| 0 | Gtk::SCROLL_NONE | Nothing is done. |
| 1 | Gtk::SCROLL_JUMP | The list scrolls to the ratio position: 0 is top, 1 is bottom. |
| 2 | Gtk::SCROLL_STEP_BACKWARD | |
| 3 | Gtk::SCROLL_STEP_FORWARD | |
| 4 | Gtk::SCROLL_PAGE_BACKWARD | |
| 5 | Gtk::SCROLL_PAGE_FORWARD | |
| 6 | Gtk::SCROLL_STEP_UP | |
| 7 | Gtk::SCROLL_STEP_DOWN | |
| 8 | Gtk::SCROLL_PAGE_UP | |
| 9 | Gtk::SCROLL_PAGE_DOWN | |
| 10 | Gtk::SCROLL_STEP_LEFT | |
| 11 | Gtk::SCROLL_STEP_RIGHT | |
| 12 | Gtk::SCROLL_PAGE_LEFT | |
| 13 | Gtk::SCROLL_PAGE_RIGHT | |
| 14 | Gtk::SCROLL_START | |
| 15 | Gtk::SCROLL_END |