Value | Symbolic name | Description |
| 0 | GTK_SCROLL_NONE |
The default setting. Indicates that the scrollbar's slider is not moved.
|
| 1 | GTK_SCROLL_STEP_BACKWARD |
Sets the scrollbar's slider back one step increment from its current
position. The value of the step increment is taken from the underlying
GtkAdjustment in the scrollbar.
|
| 2 | GTK_SCROLL_STEP_FORWARD |
Sets the scrollbar's slider forward one step increment from its current
position. The value of the step increment is taken from the underlying
GtkAdjustment in the scrollbar.
|
| 3 | GTK_SCROLL_PAGE_BACKWARD |
Sets the scrollbar's slider back one page increment from its current
position. The value of the page increment is taken from the underlying
GtkAdjustment in the scrollbar.
|
| 4 | GTK_SCROLL_PAGE_FORWARD |
Sets the scrollbar's slider forward one page increment from its current
position. The value of the page increment is taken from the underlying
GtkAdjustment in the scrollbar.
|
| 5 | GTK_SCROLL_JUMP |
Sets the scrollbar's slider to the position described in the accompanying
float parameter. The range of values are 0 to
1, with the halfway point being 0.5.
|
