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use ribir_painter::Radius;
use wrap_render::WrapRender;
use super::*;
/// A widget that provides a radius for the host widget, applying it to both the
/// background and border of the widget.
///
/// If you set the radius in different `FatObj`, ensure it is set in the
/// outermost `FatObj`. Otherwise, the outer border or background will ignore
/// it.
///
/// For example:
///
/// ```
/// use ribir::prelude::*;
///
/// let _ = fn_widget! {
/// @Background {
/// background: Color::RED,
/// @RadiusWidget {
/// radius: Radius::all(10.),
/// @BorderWidget {
/// border: Border::all(BorderSide::new(1., Color::BLACK.into())),
/// @Container {
/// size: Size::new(100., 100.),
/// }
/// }
/// }
/// }
/// };
/// ```
///
/// This widget will create a border with a radius of 10 and a red box without a
/// radius.
#[derive(Default, Clone)]
pub struct RadiusWidget {
/// A border to draw above the background
pub radius: Radius,
}
impl Declare for RadiusWidget {
type Builder = FatObj<()>;
#[inline]
fn declarer() -> Self::Builder { FatObj::new(()) }
}
impl WrapRender for RadiusWidget {
fn paint(&self, host: &dyn Render, ctx: &mut PaintingCtx) {
let mut provider = Provider::new(self.radius);
provider.setup(ctx.as_mut());
host.paint(ctx);
provider.restore(ctx.as_mut());
}
}
impl_compose_child_for_wrap_render!(RadiusWidget, DirtyPhase::Paint);