pub fn render_slider<P: IsA<StyleContext>>(
context: &P,
cr: &Context,
x: f64,
y: f64,
width: f64,
height: f64,
orientation: Orientation,
)pub fn render_slider<P: IsA<StyleContext>>(
context: &P,
cr: &Context,
x: f64,
y: f64,
width: f64,
height: f64,
orientation: Orientation,
)