From bbc6e91429ff94c3792de9d874999818b2c84a9b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A9ctor=20Ram=C3=B3n=20Jim=C3=A9nez?=
 <hector0193@gmail.com>
Date: Wed, 19 Aug 2020 01:59:31 +0200
Subject: [PATCH] Implement `hash_layout` for `pane_grid::TitleBar`

---
 native/src/widget/pane_grid/content.rs   |  4 ++++
 native/src/widget/pane_grid/title_bar.rs | 12 +++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/native/src/widget/pane_grid/content.rs b/native/src/widget/pane_grid/content.rs
index 39a92186..1d339b75 100644
--- a/native/src/widget/pane_grid/content.rs
+++ b/native/src/widget/pane_grid/content.rs
@@ -183,6 +183,10 @@ where
     }
 
     pub(crate) fn hash_layout(&self, state: &mut Hasher) {
+        if let Some(title_bar) = &self.title_bar {
+            title_bar.hash_layout(state);
+        }
+
         self.body.hash_layout(state);
     }
 
diff --git a/native/src/widget/pane_grid/title_bar.rs b/native/src/widget/pane_grid/title_bar.rs
index 1d4a32e9..9dfb9ae4 100644
--- a/native/src/widget/pane_grid/title_bar.rs
+++ b/native/src/widget/pane_grid/title_bar.rs
@@ -1,6 +1,8 @@
 use crate::layout;
 use crate::pane_grid;
-use crate::{Clipboard, Element, Event, Layout, Point, Rectangle, Size};
+use crate::{
+    Clipboard, Element, Event, Hasher, Layout, Point, Rectangle, Size,
+};
 
 /// The title bar of a [`Pane`].
 ///
@@ -176,6 +178,14 @@ where
         }
     }
 
+    pub(crate) fn hash_layout(&self, hasher: &mut Hasher) {
+        use std::hash::Hash;
+
+        self.title.hash(hasher);
+        self.title_size.hash(hasher);
+        self.padding.hash(hasher);
+    }
+
     pub(crate) fn layout(
         &self,
         renderer: &Renderer,