From 5358a38bd8bc30cbafe9edf70f27c89fdf96e0f9 Mon Sep 17 00:00:00 2001
From: Thibault Deckers <thibault.deckers@gmail.com>
Date: Mon, 12 May 2025 21:22:29 +0200
Subject: [PATCH] groups: scroll to top on group change

---
 .../filter_grids/common/filter_grid_page.dart | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/lib/widgets/filter_grids/common/filter_grid_page.dart b/lib/widgets/filter_grids/common/filter_grid_page.dart
index 5f16c71ad..6c49e590d 100644
--- a/lib/widgets/filter_grids/common/filter_grid_page.dart
+++ b/lib/widgets/filter_grids/common/filter_grid_page.dart
@@ -473,6 +473,8 @@ class _FilterSectionedContentState<T extends CollectionFilter> extends State<_Fi
 
   final GlobalKey scrollableKey = GlobalKey(debugLabel: 'filter-grid-page-scrollable');
 
+  FilterGrouping? _grouping;
+
   @override
   void initState() {
     super.initState();
@@ -480,6 +482,14 @@ class _FilterSectionedContentState<T extends CollectionFilter> extends State<_Fi
     WidgetsBinding.instance.addPostFrameCallback((_) => _checkInitHighlight());
   }
 
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+    _unregisterDependencies();
+    _grouping = context.read<FilterGrouping?>();
+    _registerDependencies();
+  }
+
   @override
   void didUpdateWidget(covariant _FilterSectionedContent<T> oldWidget) {
     super.didUpdateWidget(oldWidget);
@@ -489,10 +499,19 @@ class _FilterSectionedContentState<T extends CollectionFilter> extends State<_Fi
 
   @override
   void dispose() {
+    _unregisterDependencies();
     _unregisterWidget(widget);
     super.dispose();
   }
 
+  void _registerDependencies() {
+    _grouping?.addListener(_scrollToTop);
+  }
+
+  void _unregisterDependencies() {
+    _grouping?.removeListener(_scrollToTop);
+  }
+
   void _registerWidget(_FilterSectionedContent<T> widget) {
     widget.appBarHeightNotifier.addListener(_onAppBarHeightChanged);
   }
@@ -553,6 +572,8 @@ class _FilterSectionedContentState<T extends CollectionFilter> extends State<_Fi
     final animate = context.read<Settings>().animate;
     highlightInfo.trackItem(item, animate: animate, highlightItem: filter);
   }
+
+  void _scrollToTop() => widget.scrollController.jumpTo(0);
 }
 
 class _FilterScaler<T extends CollectionFilter> extends StatelessWidget {