Expose reusable `Button` logic

... and reuse it in `iced_pure`!

1 files changed, 14 insertions, 0 deletions

diff --git a/pure/src/widget/tree.rs b/pure/src/widget/tree.rs
index 2353edc5..1ab6d80b 100644
--- a/pure/src/widget/tree.rs
+++ b/pure/src/widget/tree.rs
@@ -58,4 +58,18 @@ impl Tree {
             *self = Self::new(new);
         }
     }
+
+    pub fn state<T>(&self) -> &T
+    where
+        T: 'static,
+    {
+        self.state.downcast_ref().expect("Downcast widget state")
+    }
+
+    pub fn state_mut<T>(&mut self) -> &mut T
+    where
+        T: 'static,
+    {
+        self.state.downcast_mut().expect("Downcast widget state")
+    }
 }