From 8cb88cc12cd9cc0cbf20cae5d8cb7feae3ef2ef7 Mon Sep 17 00:00:00 2001
From: Thibault Deckers <thibault.deckers@gmail.com>
Date: Fri, 10 Dec 2021 16:51:04 +0900
Subject: [PATCH] #123 improved scroll bar / position stability

---
 lib/widgets/common/grid/sliver.dart | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/lib/widgets/common/grid/sliver.dart b/lib/widgets/common/grid/sliver.dart
index 336d0bbd6..b8f8299ef 100644
--- a/lib/widgets/common/grid/sliver.dart
+++ b/lib/widgets/common/grid/sliver.dart
@@ -97,13 +97,9 @@ class _RenderSliverKnownExtentBoxAdaptor extends RenderSliverMultiBoxAdaptor {
     double? leadingScrollOffset,
     double? trailingScrollOffset,
   }) {
-    return childManager.estimateMaxScrollOffset(
-      constraints,
-      firstIndex: firstIndex,
-      lastIndex: lastIndex,
-      leadingScrollOffset: leadingScrollOffset,
-      trailingScrollOffset: trailingScrollOffset,
-    );
+    // default implementation is an estimation via `childManager.estimateMaxScrollOffset()`
+    // but we have the accurate offset via pre-computed section layouts
+    return _sectionLayouts.last.maxOffset;
   }
 
   double computeMaxScrollOffset(SliverConstraints constraints) {