`CupertinoContextMenu`/`ContextMenuAction`: Add clickable cursor for web (#99519)

packages/flutter/lib/src/cupertino/context_menu.dart

@@ -4,6 +4,7 @@
 
 import 'dart:math' as math;
 import 'dart:ui' as ui;
+import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart' show kMinFlingVelocity, kLongPressTimeout;
 import 'package:flutter/scheduler.dart';
 import 'package:flutter/services.dart';
@@ -367,17 +368,20 @@ class _CupertinoContextMenuState extends State<CupertinoContextMenu> with Ticker
 
   @override
   Widget build(BuildContext context) {
-    return GestureDetector(
-      onTapCancel: _onTapCancel,
-      onTapDown: _onTapDown,
-      onTapUp: _onTapUp,
-      onTap: _onTap,
-      child: TickerMode(
-        enabled: !_childHidden,
-        child: Opacity(
-          key: _childGlobalKey,
-          opacity: _childHidden ? 0.0 : 1.0,
-          child: widget.child,
+    return MouseRegion(
+      cursor: kIsWeb ? SystemMouseCursors.click : MouseCursor.defer,
+      child: GestureDetector(
+        onTapCancel: _onTapCancel,
+        onTapDown: _onTapDown,
+        onTapUp: _onTapUp,
+        onTap: _onTap,
+        child: TickerMode(
+          enabled: !_childHidden,
+          child: Opacity(
+            key: _childGlobalKey,
+            opacity: _childHidden ? 0.0 : 1.0,
+            child: widget.child,
+          ),
         ),
       ),
     );

packages/flutter/lib/src/cupertino/context_menu_action.dart

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';
 import 'colors.dart';
 
@@ -106,43 +107,46 @@ class _CupertinoContextMenuActionState extends State<CupertinoContextMenuAction>
 
   @override
   Widget build(BuildContext context) {
-    return GestureDetector(
-      key: _globalKey,
-      onTapDown: onTapDown,
-      onTapUp: onTapUp,
-      onTapCancel: onTapCancel,
-      onTap: widget.onPressed,
-      behavior: HitTestBehavior.opaque,
-      child: ConstrainedBox(
-        constraints: const BoxConstraints(
-          minHeight: _kButtonHeight,
-        ),
-        child: Semantics(
-          button: true,
-          child: Container(
-            decoration: BoxDecoration(
-              color: _isPressed
-                ? CupertinoDynamicColor.resolve(_kBackgroundColorPressed, context)
-                : CupertinoDynamicColor.resolve(_kBackgroundColor, context),
-            ),
-            padding: const EdgeInsets.symmetric(
-              vertical: 16.0,
-              horizontal: 10.0,
-            ),
-            child: DefaultTextStyle(
-              style: _textStyle,
-              child: Row(
-                mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                children: <Widget>[
-                  Flexible(
-                    child: widget.child,
-                  ),
-                  if (widget.trailingIcon != null)
-                    Icon(
-                      widget.trailingIcon,
-                      color: _textStyle.color,
+    return MouseRegion(
+      cursor: widget.onPressed != null && kIsWeb ? SystemMouseCursors.click : MouseCursor.defer,
+      child: GestureDetector(
+        key: _globalKey,
+        onTapDown: onTapDown,
+        onTapUp: onTapUp,
+        onTapCancel: onTapCancel,
+        onTap: widget.onPressed,
+        behavior: HitTestBehavior.opaque,
+        child: ConstrainedBox(
+          constraints: const BoxConstraints(
+            minHeight: _kButtonHeight,
+          ),
+          child: Semantics(
+            button: true,
+            child: Container(
+              decoration: BoxDecoration(
+                color: _isPressed
+                  ? CupertinoDynamicColor.resolve(_kBackgroundColorPressed, context)
+                  : CupertinoDynamicColor.resolve(_kBackgroundColor, context),
+              ),
+              padding: const EdgeInsets.symmetric(
+                vertical: 16.0,
+                horizontal: 10.0,
+              ),
+              child: DefaultTextStyle(
+                style: _textStyle,
+                child: Row(
+                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                  children: <Widget>[
+                    Flexible(
+                      child: widget.child,
                     ),
-                ],
+                    if (widget.trailingIcon != null)
+                      Icon(
+                        widget.trailingIcon,
+                        color: _textStyle.color,
+                      ),
+                  ],
+                ),
               ),
             ),
           ),

packages/flutter/test/cupertino/context_menu_action_test.dart

@@ -3,6 +3,9 @@
 // found in the LICENSE file.
 
 import 'package:flutter/cupertino.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/gestures.dart';
+import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 import '../rendering/mock_canvas.dart';
@@ -122,4 +125,29 @@ void main() {
     expect(_getTextStyle(tester).fontWeight, kDefaultActionWeight);
   });
 
+  testWidgets(
+    'Hovering over Cupertino context menu action updates cursor to clickable on Web',
+    (WidgetTester tester) async {
+      /// Cupertino context menu action without "onPressed" callback.
+      await tester.pumpWidget(_getApp());
+      final Offset contextMenuAction = tester.getCenter(find.text('I am a CupertinoContextMenuAction'));
+      final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse, pointer: 1);
+      await gesture.addPointer(location: contextMenuAction);
+      await tester.pumpAndSettle();
+      expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic);
+
+      // / Cupertino context menu action with "onPressed" callback.
+      await tester.pumpWidget(_getApp(onPressed: (){}));
+      await gesture.moveTo(const Offset(10, 10));
+      await tester.pumpAndSettle();
+      expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic);
+
+      await gesture.moveTo(contextMenuAction);
+      addTearDown(gesture.removePointer);
+      await tester.pumpAndSettle();
+      expect(
+        RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
+        kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
+      );
+  });
 }

packages/flutter/test/cupertino/context_menu_test.dart

@@ -3,6 +3,9 @@
 // found in the LICENSE file.
 
 import 'package:flutter/cupertino.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/gestures.dart';
+import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {
@@ -193,6 +196,38 @@ void main() {
       await tester.pumpAndSettle();
       expect(_findStatic(), findsOneWidget);
     });
+
+    testWidgets('Hovering over Cupertino context menu updates cursor to clickable on Web', (WidgetTester tester) async {
+      final Widget child  = _getChild();
+      await tester.pumpWidget(CupertinoApp(
+        home: CupertinoPageScaffold(
+          child: Center(
+            child: CupertinoContextMenu(
+              actions: const <CupertinoContextMenuAction>[
+                CupertinoContextMenuAction(
+                  child: Text('CupertinoContextMenuAction One'),
+                ),
+              ],
+              child: child,
+            ),
+          ),
+        ),
+      ));
+
+      final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse, pointer: 1);
+      await gesture.addPointer(location: const Offset(10, 10));
+      await tester.pumpAndSettle();
+      expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic);
+
+      final Offset contextMenu = tester.getCenter(find.byWidget(child));
+      await gesture.moveTo(contextMenu);
+      addTearDown(gesture.removePointer);
+      await tester.pumpAndSettle();
+      expect(
+        RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
+        kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
+      );
+    });
   });
 
   group('CupertinoContextMenu when open', () {