clampPage
Updates the value property to ensure that the range between @lower and @upper is in the current page.
The current page goes from value
to value
+ page-size
. If the range is larger than the page size, then only the start of it will be in the current page.
A signal@Gtk.Adjustment::value-changed signal will be emitted if the value is changed.
Parameters
lower
the lower value
upper
the upper value