ptr

src/core/ptr.rs

@@ -0,0 +1,22 @@
+use crate::prelude::*;
+
+#[derive(Default)]
+pub struct WidgetPtr {
+    pub inner: Option<WidgetId>,
+}
+
+impl Widget for WidgetPtr {
+    fn draw(&mut self, painter: &mut Painter) {
+        if let Some(id) = &self.inner {
+            painter.widget(id);
+        }
+    }
+
+    fn desired_size(&mut self, ctx: &mut SizeCtx) -> Size {
+        if let Some(id) = &self.inner {
+            ctx.size(id)
+        } else {
+            Size::ZERO
+        }
+    }
+}