MacosPopupButton - ScrollController not attached to any scroll views #309
Description
When I click on MacosPopupButton, I am getting the following exception:
Unhandled Exception: 'package:flutter/src/widgets/scroll_controller.dart': Failed assertion: line 151 pos 12: '_positions.isNotEmpty': ScrollController not attached to any scroll views.
macos_ui: ^1.7.5
Code
MacosScaffold(
toolBar: ToolBar(
title: const Text('Dependencies'),
actions: [
ToolBarIconButton(
label: 'Toggle Sidebar',
icon: const MacosIcon(CupertinoIcons.sidebar_left),
showLabel: false,
tooltipMessage: 'Toggle Sidebar',
onPressed: () {
MacosWindowScope.of(context).toggleSidebar();
},
)
],
),
children: [
ContentArea(
builder: (context, scrollController) {
return SingleChildScrollView(
padding: const EdgeInsets.all(16.0),
child: Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
MacosPopupButton<String>(
value: 'One',
onChanged: (String? newValue) {},
items: <String>[
'One',
'Two',
'Three',
'Four'
].map<MacosPopupMenuItem<String>>((String value) {
return MacosPopupMenuItem<String>(
value: value,
child: Text(value),
);
}).toList(),
),
const SizedBox(width: 20),
MacosPopupButton<String>(
disabledHint: const Text("Disabled"),
onChanged: null,
items: null,
),
],
),
],
),
);
},
),
],
);Logs
[ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: 'package:flutter/src/widgets/scroll_controller.dart': Failed assertion: line 151 pos 12: '_positions.isNotEmpty': ScrollController not attached to any scroll views.
package:flutter/…/widgets/scroll_controller.dart:151
#0 _AssertionError._doThrowNew (dart:core-patch/errors_patch.dart:51:61)
#1 _AssertionError._throwNew (dart:core-patch/errors_patch.dart:40:5)
#2 ScrollController.animateTo
package:flutter/…/widgets/scroll_controller.dart:151
#3 _MacosPopupMenuItemButtonState._handleFocusChange
package:macos_ui/…/buttons/popup_button.dart:57
#4 _FocusState._handleFocusChanged
package:flutter/…/widgets/focus_scope.dart:632
#5 ChangeNotifier.notifyListeners
package:flutter/…/foundation/change_notifier.dart:351
#6 FocusNode._notify
package:flutter/…/widgets/focus_manager.dart:1038
#7 FocusManager._applyFocusChange
package:flutter/…/widgets/focus_manager.dart:1804
#8 _microtaskLoop (dart:async/schedule_microtask.dart:40:21)
#9 _startMicrotaskLoop (dart:async/schedule_microtask.dart:49:5)