Merge pull request #1337 from iced-rs/generic-widget-tree

Take `Borrow<dyn Widget>` instead of `Element` in `Tree` API

1 files changed, 18 insertions, 0 deletions

diff --git a/pure/src/element.rs b/pure/src/element.rs
index 704b3d0b..5450db20 100644
--- a/pure/src/element.rs
+++ b/pure/src/element.rs
@@ -8,6 +8,8 @@ use iced_native::mouse;
 use iced_native::renderer;
 use iced_native::{Clipboard, Length, Point, Rectangle, Shell};
 
+use std::borrow::Borrow;
+
 /// A generic [`Widget`].
 ///
 /// It is useful to build composable user interfaces that do not leak
@@ -321,3 +323,19 @@ where
             .map(move |overlay| overlay.map(mapper))
     }
 }
+
+impl<'a, Message, Renderer> Borrow<dyn Widget<Message, Renderer> + 'a>
+    for Element<'a, Message, Renderer>
+{
+    fn borrow(&self) -> &(dyn Widget<Message, Renderer> + 'a) {
+        self.widget.borrow()
+    }
+}
+
+impl<'a, Message, Renderer> Borrow<dyn Widget<Message, Renderer> + 'a>
+    for &Element<'a, Message, Renderer>
+{
+    fn borrow(&self) -> &(dyn Widget<Message, Renderer> + 'a) {
+        self.widget.borrow()
+    }
+}