use crate::prelude::*;

pub struct Sized {
    pub inner: WidgetId,
    pub x: Option<Len>,
    pub y: Option<Len>,
}

impl Widget for Sized {
    fn draw(&mut self, painter: &mut Painter) {
        painter.widget(&self.inner);
    }

    fn desired_size(&mut self, ctx: &mut SizeCtx) -> Size {
        let rel = ctx.size.rel;
        if let Some(x) = self.x {
            ctx.size.axis_mut(Axis::X).set(x.apply_rest(rel.x));
        }
        if let Some(y) = self.y {
            ctx.size.axis_mut(Axis::Y).set(y.apply_rest(rel.y));
        }
        Size {
            x: self.x.unwrap_or_else(|| ctx.size(&self.inner).x),
            y: self.y.unwrap_or_else(|| ctx.size(&self.inner).y),
        }
    }
}