Generalize child of NodeBackground 🍼

src/layout/background.rs

@@ -5,8 +5,8 @@ use super::*;
 pub struct NodeBackground {
     /// The background fill.
     pub fill: Fill,
-    /// The child node whose sides to pad.
+    /// The child node to be filled in.
-    pub child: NodeFixed,
+    pub child: Node,
 }
 
 impl Layout for NodeBackground {

src/layout/mod.rs

@@ -1,10 +1,10 @@
 //! Layouting.
 
+mod background;
 mod fixed;
 mod node;
 mod pad;
 mod par;
-mod background;
 mod spacing;
 mod stack;
 mod text;
@@ -14,11 +14,11 @@ use crate::env::{Env, ResourceId};
 use crate::geom::*;
 use crate::shaping::Shaped;
 
+pub use background::*;
 pub use fixed::*;
 pub use node::*;
 pub use pad::*;
 pub use par::*;
-pub use background::*;
 pub use spacing::*;
 pub use stack::*;
 pub use text::*;

src/library/layout.rs

@@ -1,9 +1,9 @@
 use std::fmt::{self, Display, Formatter};
 
-use crate::{eval::Softness, layout::NodeBackground};
 use crate::layout::{Expansion, Fill, NodeFixed, NodeSpacing, NodeStack};
 use crate::paper::{Paper, PaperClass};
 use crate::prelude::*;
+use crate::{eval::Softness, layout::NodeBackground};
 
 /// `align`: Align content along the layouting axes.
 ///
@@ -210,7 +210,7 @@ pub fn box_(ctx: &mut EvalContext, args: &mut Args) -> Value {
     if let Some(color) = color {
         ctx.push(NodeBackground {
             fill: Fill::Color(color),
-            child: fixed_node,
+            child: Node::Any(fixed_node.into()),
         })
     } else {
         ctx.push(fixed_node);

tests/typeset.rs

@@ -464,10 +464,8 @@ fn draw_geometry(canvas: &mut Canvas, pos: Point, _: &Env, element: &Geometry) {
         Shape::Rect(s) => {
             let (w, h) = (s.width.to_pt() as f32, s.height.to_pt() as f32);
             canvas.fill_rect(Rect::from_xywh(x, y, w, h).unwrap(), &paint);
-        },
+        }
     };
-
-
 }
 
 fn draw_image(canvas: &mut Canvas, pos: Point, env: &Env, element: &Image) {