From c494a9f33ec9fdbf09b1bd47a7308942d291067b Mon Sep 17 00:00:00 2001
From: Ming Ming <nkming2@gmail.com>
Date: Tue, 28 Sep 2021 18:47:41 +0800
Subject: [PATCH] Fix image grid recreated on every build

---
 lib/widget/measurable_item_list.dart | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/widget/measurable_item_list.dart b/lib/widget/measurable_item_list.dart
index 5382317b..6885d91d 100644
--- a/lib/widget/measurable_item_list.dart
+++ b/lib/widget/measurable_item_list.dart
@@ -129,7 +129,7 @@ class _MeasurableItemListState extends State<MeasurableItemList>
 
   // this unique token is there to keep the global key unique
   final _uniqueToken = const Uuid().v4();
-  late GlobalObjectKey _gridKey;
+  late _GridKey _gridKey;
 
   static final _log =
       Logger("widget.measurable_item_list._MeasurableItemListState");
@@ -137,4 +137,12 @@ class _MeasurableItemListState extends State<MeasurableItemList>
 
 class _GridKey extends GlobalObjectKey {
   const _GridKey(Object value) : super(value);
+
+  @override
+  operator ==(Object other) {
+    return other is _GridKey && value == other.value;
+  }
+
+  @override
+  get hashCode => value.hashCode;
 }