New interaction model

1 files changed, 14 insertions, 2 deletions

diff --git a/library/src/text/mod.rs b/library/src/text/mod.rs
index c2a67547..8484ff57 100644
--- a/library/src/text/mod.rs
+++ b/library/src/text/mod.rs
@@ -410,20 +410,26 @@ impl Fold for FontFeatures {
 #[derive(Debug, Clone, Hash)]
 pub struct SpaceNode;
 
-#[node]
+#[node(Behave)]
 impl SpaceNode {
     fn construct(_: &mut Vm, _: &mut Args) -> SourceResult<Content> {
         Ok(Self.pack())
     }
 }
 
+impl Behave for SpaceNode {
+    fn behaviour(&self) -> Behaviour {
+        Behaviour::Weak(2)
+    }
+}
+
 /// A line break.
 #[derive(Debug, Clone, Hash)]
 pub struct LinebreakNode {
     pub justify: bool,
 }
 
-#[node]
+#[node(Behave)]
 impl LinebreakNode {
     fn construct(_: &mut Vm, args: &mut Args) -> SourceResult<Content> {
         let justify = args.named("justify")?.unwrap_or(false);
@@ -431,6 +437,12 @@ impl LinebreakNode {
     }
 }
 
+impl Behave for LinebreakNode {
+    fn behaviour(&self) -> Behaviour {
+        Behaviour::Destructive
+    }
+}
+
 /// A smart quote.
 #[derive(Debug, Clone, Hash)]
 pub struct SmartQuoteNode {