range-pane

A class supporting progress-bar and slider.

capi

`:start`	An integer specifying the lowest value of the range.
`:end`	An integer specifying the highest value of the range.
`:slug-start`	An integer specifying the start of the slug, corresponding to the current value of the range.
`:slug-end`	An integer specifying the end of the slug.
`:callback`	Called when the user changes the value.
`:orientation`	One of `:horizontal` (the default) or `:vertical`.

range-start
range-end
range-slug-start
range-slug-end
range-callback
range-orientation

The class range-pane exists to support the progress-bar, slider and scroll-bar classes. Consult the reference pages for progress-bar, slider and scroll-bar for further information, such as how callback is called.