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Fix DialogPicker bouncing when the first selected item is near the end

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This commit is contained in:
Vadim 2023-11-14 12:17:01 +01:00
parent a526853ed5
commit 9fcca48f57
1 changed files with 10 additions and 7 deletions
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7
lib/screens/settings/components/shared/dialog_filter/widget_dialog_filter.dart
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@ -1,4 +1,5 @@
import 'package:flutter/material.dart';
import 'package:flutter/scheduler.dart';
import 'package:lightmeter/generated/l10n.dart';
import 'package:lightmeter/res/dimens.dart';
@ -34,18 +35,20 @@ class _DialogFilterState<T> extends State<DialogFilter<T>> {
bool get _hasAnySelected => checkboxValues.contains(true);
bool get _hasAnyUnselected => checkboxValues.contains(false);
late final ScrollController _scrollController;
final ScrollController _scrollController = ScrollController();
@override
void initState() {
super.initState();
SchedulerBinding.instance.addPostFrameCallback((_) {
int i = 0;
for (; i < checkboxValues.length; i++) {
if (checkboxValues[i]) {
break;
}
}
_scrollController = ScrollController(initialScrollOffset: Dimens.grid56 * i);
_scrollController.jumpTo((Dimens.grid56 * i).clamp(0, _scrollController.position.maxScrollExtent));
});
}
@override