Less style properties

2 files changed, 26 insertions, 23 deletions

diff --git a/library/src/math/mod.rs b/library/src/math/mod.rs
index a89b4953..ae3c4a9a 100644
--- a/library/src/math/mod.rs
+++ b/library/src/math/mod.rs
@@ -7,7 +7,7 @@ use std::fmt::Write;
 use self::tex::{layout_tex, Texify};
 use crate::layout::BlockSpacing;
 use crate::prelude::*;
-use crate::text::FontFamily;
+use crate::text::{FallbackList, FontFamily, TextNode};
 
 /// A piece of a mathematical formula.
 #[derive(Debug, Clone, Hash)]
@@ -20,9 +20,6 @@ pub struct MathNode {
 
 #[node(Show, Finalize, LayoutInline, Texify)]
 impl MathNode {
-    /// The math font family.
-    #[property(referenced)]
-    pub const FAMILY: FontFamily = FontFamily::new("NewComputerModernMath");
     /// The spacing above display math.
     #[property(resolve, shorthand(around))]
     pub const ABOVE: Option<BlockSpacing> = Some(Ratio::one().into());
@@ -44,11 +41,7 @@ impl Show for MathNode {
     }
 
     fn show(&self, _: Tracked<dyn World>, _: StyleChain) -> SourceResult<Content> {
-        Ok(if self.display {
-            self.clone().pack().aligned(Axes::with_x(Some(Align::Center.into())))
-        } else {
-            self.clone().pack()
-        })
+        Ok(self.clone().pack())
     }
 }
 
@@ -57,13 +50,20 @@ impl Finalize for MathNode {
         &self,
         _: Tracked<dyn World>,
         styles: StyleChain,
-        realized: Content,
+        mut realized: Content,
     ) -> SourceResult<Content> {
-        Ok(if self.display {
-            realized.spaced(styles.get(Self::ABOVE), styles.get(Self::BELOW))
-        } else {
-            realized
-        })
+        realized = realized.styled(
+            TextNode::FAMILY,
+            FallbackList(vec![FontFamily::new("NewComputerModernMath")]),
+        );
+
+        if self.display {
+            realized = realized
+                .aligned(Axes::with_x(Some(Align::Center.into())))
+                .spaced(styles.get(Self::ABOVE), styles.get(Self::BELOW))
+        }
+
+        Ok(realized)
     }
 }
 
diff --git a/library/src/math/tex.rs b/library/src/math/tex.rs
index 7de68d7b..f924ebbe 100644
--- a/library/src/math/tex.rs
+++ b/library/src/math/tex.rs
@@ -5,9 +5,8 @@ use rex::parser::color::RGBA;
 use rex::render::{Backend, Cursor, Renderer};
 use typst::font::Font;
 
-use super::MathNode;
 use crate::prelude::*;
-use crate::text::{variant, LinebreakNode, SpaceNode, TextNode};
+use crate::text::{families, variant, LinebreakNode, SpaceNode, TextNode};
 
 /// Turn a math node into TeX math code.
 #[capability]
@@ -42,17 +41,21 @@ pub fn layout_tex(
     styles: StyleChain,
 ) -> SourceResult<Frame> {
     // Load the font.
-    let font = world
-        .book()
-        .select(styles.get(MathNode::FAMILY).as_str(), variant(styles))
-        .and_then(|id| world.font(id))
-        .expect("failed to find math font");
+    let variant = variant(styles);
+    let mut font = None;
+    for family in families(styles) {
+        font = world.book().select(family, variant).and_then(|id| world.font(id));
+        if font.as_ref().map_or(false, |font| font.math().is_some()) {
+            break;
+        }
+    }
 
     // Prepare the font context.
+    let font = font.expect("failed to find suitable math font");
     let ctx = font
         .math()
         .map(|math| FontContext::new(font.ttf(), math))
-        .expect("font is not suitable for math");
+        .expect("failed to create font context");
 
     // Layout the formula.
     let em = styles.get(TextNode::SIZE);