Separate measured-answer dependencies from retained drawing validity

core/src/ui/active.rs

@@ -41,7 +41,7 @@ pub struct ActiveData {
     pub textures: Vec<TextureHandle>,
     pub primitives: Vec<RetainedPrimitive>,
     pub mask_region: Option<DrawRegion>,
-    pub(crate) extent_children: Vec<(WidgetId, ExtentPlacement)>,
+    pub inherited_children: Vec<WidgetId>,
     pub children: Vec<WidgetId>,
     /// The children whose size this widget read while drawing.
     pub size_deps: Vec<WidgetId>,
@@ -87,18 +87,3 @@ impl ActiveData {
         })
     }
 }
-
-#[derive(Clone, Copy, Debug)]
-pub(crate) enum ExtentPlacement {
-    Inherit,
-    Within(UiRegion),
-}
-
-impl ExtentPlacement {
-    pub fn resolve(self, extent: UiRegion) -> (UiRegion, [Option<crate::UiSpan>; 2]) {
-        match self {
-            Self::Inherit => (UiRegion::FULL, [Some(extent.x), Some(extent.y)]),
-            Self::Within(local) => (local.within(&extent), [None; 2]),
-        }
-    }
-}