MouseRegion's cursor in a Draggable's feedback does not work #92083
Description
Steps to Reproduce
Consider this minimal example (dartpad):
import 'package:flutter/material.dart';
void main() {
runApp(App());
}
class App extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
home: Scaffold(
body: Center(
child: Draggable(
child: const MouseRegion(
cursor: SystemMouseCursors.grab,
child: Square(color: Colors.red),
),
childWhenDragging: Square(color: Colors.red.shade100),
feedback: const MouseRegion(
cursor: SystemMouseCursors.grabbing,
child: Square(color: Colors.red),
),
),
),
),
);
}
}
class Square extends StatelessWidget {
const Square({
required this.color,
Key? key,
}) : super(key: key);
final Color color;
@override
Widget build(BuildContext context) {
return ColoredBox(
color: color,
child: const SizedBox.square(dimension: 64.0),
);
}
}Expected results:
While hovering the square area, the cursor should be grab. While dragging, the cursor should be grabbing.
Actual results:
While hovering the square area, the cursor is grab, as expected. When we click to start dragging, the cursor reverts to the "normal" cursor instead of going to grabbing.
flutter doctor -v
➜ ~ flutter doctor -v
[✓] Flutter (Channel stable, 2.5.3, on macOS 11.6 20G165 darwin-x64, locale
en-BR)
• Flutter version 2.5.3 at /Users/pintome/Library/flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 18116933e7 (4 days ago), 2021-10-15 10:46:35 -0700
• Engine revision d3ea636dc5
• Dart version 2.14.4
[!] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
• Android SDK at /Users/pintome/Library/Android/sdk
✗ cmdline-tools component is missing
Run `path/to/sdkmanager --install "cmdline-tools;latest"`
See https://developer.android.com/studio/command-line for more details.
✗ Android license status unknown.
Run `flutter doctor --android-licenses` to accept the SDK licenses.
See https://flutter.dev/docs/get-started/install/macos#android-setup for
more details.
[✓] Xcode - develop for iOS and macOS
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 13.0, Build version 13A233
• CocoaPods version 1.11.2
[✓] Chrome - develop for the web
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
[✓] Android Studio (version 2020.3)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 11.0.10+0-b96-7281165)
[✓] Connected device (3 available)
• sdk gphone x86 (mobile) • emulator-5554 • android-x86 • Android 11 (API
30) (emulator)
• macOS (desktop) • macos • darwin-x64 • macOS 11.6
20G165 darwin-x64
• Chrome (web) • chrome • web-javascript • Google Chrome
94.0.4606.81
! Doctor found issues in 1 category.
Screen.Recording.2021-10-19.at.08.18.16.mov
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Important issues not at the top of the work listRunning on desktopIssues related to using a mouse or mouse supportFound to occur in 2.5Found to occur in 2.6flutter/packages/flutter repository. See also f: labels.The issue has been confirmed reproducible and is ready to work onIssue is closed as already fixed in a newer version