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-rw-r--r--src/library/placed.rs67
1 files changed, 0 insertions, 67 deletions
diff --git a/src/library/placed.rs b/src/library/placed.rs
deleted file mode 100644
index cee687fa..00000000
--- a/src/library/placed.rs
+++ /dev/null
@@ -1,67 +0,0 @@
-//! Absolute placement of nodes.
-
-use super::prelude::*;
-use super::AlignNode;
-
-/// Place content at an absolute position.
-#[derive(Debug, Hash)]
-pub struct PlaceNode(pub PackedNode);
-
-#[class]
-impl PlaceNode {
- fn construct(_: &mut EvalContext, args: &mut Args) -> TypResult<Node> {
- let aligns = args.find().unwrap_or(Spec::with_x(Some(Align::Left)));
- let tx = args.named("dx")?.unwrap_or_default();
- let ty = args.named("dy")?.unwrap_or_default();
- let body: PackedNode = args.expect("body")?;
- Ok(Node::block(Self(
- body.moved(Point::new(tx, ty)).aligned(aligns),
- )))
- }
-}
-
-impl Layout for PlaceNode {
- fn layout(
- &self,
- ctx: &mut LayoutContext,
- regions: &Regions,
- styles: StyleChain,
- ) -> Vec<Constrained<Rc<Frame>>> {
- let out_of_flow = self.out_of_flow();
-
- // The pod is the base area of the region because for absolute
- // placement we don't really care about the already used area (current).
- let pod = {
- let finite = regions.base.map(Length::is_finite);
- let expand = finite & (regions.expand | out_of_flow);
- Regions::one(regions.base, regions.base, expand)
- };
-
- let mut frames = self.0.layout(ctx, &pod, styles);
- let Constrained { item: frame, cts } = &mut frames[0];
-
- // If expansion is off, zero all sizes so that we don't take up any
- // space in our parent. Otherwise, respect the expand settings.
- let target = regions.expand.select(regions.current, Size::zero());
- Rc::make_mut(frame).resize(target, Align::LEFT_TOP);
-
- // Set base constraint because our pod size is base and exact
- // constraints if we needed to expand or offset.
- *cts = Constraints::new(regions.expand);
- cts.base = regions.base.map(Some);
- cts.exact = regions.current.filter(regions.expand | out_of_flow);
-
- frames
- }
-}
-
-impl PlaceNode {
- /// Whether this node wants to be placed relative to its its parent's base
- /// origin. instead of relative to the parent's current flow/cursor
- /// position.
- pub fn out_of_flow(&self) -> bool {
- self.0
- .downcast::<AlignNode>()
- .map_or(false, |node| node.aligns.y.is_some())
- }
-}