From 3aacac6f234706d22054cacebf88728bac04411f Mon Sep 17 00:00:00 2001
From: Will McGugan <willmcgugan@gmail.com>
Date: Thu, 5 Aug 2021 16:07:03 +0100
Subject: [PATCH] refresh hover node

---
 src/textual/widgets/_directory_tree.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/textual/widgets/_directory_tree.py b/src/textual/widgets/_directory_tree.py
index cf2b87f725..d82cfd2b67 100644
--- a/src/textual/widgets/_directory_tree.py
+++ b/src/textual/widgets/_directory_tree.py
@@ -41,6 +41,7 @@ async def watch_hover_node(self, hover_node: NodeID) -> None:
             node.tree.guide_style = (
                 "bold not dim red" if node.id == hover_node else "black"
             )
+        self.refresh(layout=True)
 
     def render_node(self, node: TreeNode[DirEntry]) -> RenderableType:
         meta = {"@click": f"click_label({node.id})", "tree_node": node.id}