pub trait RangeImpl: RangeImplExt + WidgetImpl {
fn adjust_bounds(&self, range: &Self::Type, new_value: f64) { ... }
fn change_value(
&self,
range: &Self::Type,
scroll_type: ScrollType,
new_value: f64
) -> bool { ... }
fn range_border(&self, range: &Self::Type) -> Border { ... }
fn move_slider(&self, range: &Self::Type, scroll_type: ScrollType) { ... }
fn value_changed(&self, range: &Self::Type) { ... }
}