Revert "feat: added custom padding in PopupMenuButton (#96657)" (#96781)

packages/flutter/lib/src/material/popup_menu.dart

@@ -528,12 +528,10 @@ class _PopupMenu<T> extends StatelessWidget {
     Key? key,
     required this.route,
     required this.semanticLabel,
-    this.padding,
   }) : super(key: key);
 
   final _PopupMenuRoute<T> route;
   final String? semanticLabel;
-  final EdgeInsetsGeometry? padding;
 
   @override
   Widget build(BuildContext context) {
@@ -585,7 +583,9 @@ class _PopupMenu<T> extends StatelessWidget {
           explicitChildNodes: true,
           label: semanticLabel,
           child: SingleChildScrollView(
-            padding: padding,
+            padding: const EdgeInsets.symmetric(
+              vertical: _kMenuVerticalPadding,
+            ),
             child: ListBody(children: children),
           ),
         ),
@@ -727,7 +727,6 @@ class _PopupMenuRoute<T> extends PopupRoute<T> {
   _PopupMenuRoute({
     required this.position,
     required this.items,
-    this.padding,
     this.initialValue,
     this.elevation,
     required this.barrierLabel,
@@ -741,7 +740,6 @@ class _PopupMenuRoute<T> extends PopupRoute<T> {
   final List<PopupMenuEntry<T>> items;
   final List<Size?> itemSizes;
   final T? initialValue;
-  final EdgeInsetsGeometry? padding;
   final double? elevation;
   final String? semanticLabel;
   final ShapeBorder? shape;
@@ -780,7 +778,7 @@ class _PopupMenuRoute<T> extends PopupRoute<T> {
       }
     }
 
-    final Widget menu = _PopupMenu<T>(padding: padding, route: this, semanticLabel: semanticLabel);
+    final Widget menu = _PopupMenu<T>(route: this, semanticLabel: semanticLabel);
     final MediaQueryData mediaQuery = MediaQuery.of(context);
     return MediaQuery.removePadding(
       context: context,
@@ -852,11 +850,6 @@ class _PopupMenuRoute<T> extends PopupRoute<T> {
 /// label is not provided, it will default to
 /// [MaterialLocalizations.popupMenuLabel].
 ///
-/// The `padding` argument is used to add empty space around the outside
-/// of the popup menu. If this property is not provided, then [PopupMenuThemeData.padding]
-/// is used. If [PopupMenuThemeData.padding] is also null, then
-/// EdgeInsets.symmetric(vertical: 8.0) is used.
-///
 /// See also:
 ///
 ///  * [PopupMenuItem], a popup menu entry for a single value.
@@ -871,7 +864,6 @@ Future<T?> showMenu<T>({
   required RelativeRect position,
   required List<PopupMenuEntry<T>> items,
   T? initialValue,
-  EdgeInsetsGeometry? padding,
   double? elevation,
   String? semanticLabel,
   ShapeBorder? shape,
@@ -900,7 +892,6 @@ Future<T?> showMenu<T>({
     position: position,
     items: items,
     initialValue: initialValue,
-    padding: padding,
     elevation: elevation,
     semanticLabel: semanticLabel,
     barrierLabel: MaterialLocalizations.of(context).modalBarrierDismissLabel,
@@ -993,7 +984,6 @@ class PopupMenuButton<T> extends StatefulWidget {
     this.tooltip,
     this.elevation,
     this.padding = const EdgeInsets.all(8.0),
-    this.menuPadding,
     this.child,
     this.icon,
     this.iconSize,
@@ -1088,14 +1078,6 @@ class PopupMenuButton<T> extends StatefulWidget {
   /// Theme.of(context).cardColor is used.
   final Color? color;
 
-  /// If provided, menu padding is used for empty space around the outside
-  /// of the popup menu.
-  ///
-  /// If this property is null, then [PopupMenuThemeData.padding] is used.
-  /// If [PopupMenuThemeData.padding] is also null, then
-  /// EdgeInsets.symmetric(vertical: 8.0) is used.
-  final EdgeInsetsGeometry? menuPadding;
-
   /// Whether detected gestures should provide acoustic and/or haptic feedback.
   ///
   /// For example, on Android a tap will produce a clicking sound and a
@@ -1139,11 +1121,6 @@ class PopupMenuButtonState<T> extends State<PopupMenuButton<T>> {
       ),
       Offset.zero & overlay.size,
     );
-
-    final EdgeInsetsGeometry menuPadding = widget.menuPadding ??
-        popupMenuTheme.padding ??
-        const EdgeInsets.symmetric(vertical: _kMenuVerticalPadding);
-
     final List<PopupMenuEntry<T>> items = widget.itemBuilder(context);
     // Only show the menu if there is something to show
     if (items.isNotEmpty) {
@@ -1152,7 +1129,6 @@ class PopupMenuButtonState<T> extends State<PopupMenuButton<T>> {
         elevation: widget.elevation ?? popupMenuTheme.elevation,
         items: items,
         initialValue: widget.initialValue,
-        padding: menuPadding,
         position: position,
         shape: widget.shape ?? popupMenuTheme.shape,
         color: widget.color ?? popupMenuTheme.color,

packages/flutter/lib/src/material/popup_menu_theme.dart

@@ -40,7 +40,6 @@ class PopupMenuThemeData with Diagnosticable {
     this.textStyle,
     this.enableFeedback,
     this.mouseCursor,
-    this.padding,
   });
 
   /// The background color of the popup menu.
@@ -65,11 +64,6 @@ class PopupMenuThemeData with Diagnosticable {
   /// If specified, overrides the default value of [PopupMenuItem.mouseCursor].
   final MaterialStateProperty<MouseCursor?>? mouseCursor;
 
-  /// If specified, defines the padding for the popup menu of [PopupMenuButton].
-  ///
-  /// If [PopupMenuButton.menuPadding] is provided, [padding] is ignored.
-  final EdgeInsetsGeometry? padding;
-
   /// Creates a copy of this object with the given fields replaced with the
   /// new values.
   PopupMenuThemeData copyWith({
@@ -79,7 +73,6 @@ class PopupMenuThemeData with Diagnosticable {
     TextStyle? textStyle,
     bool? enableFeedback,
     MaterialStateProperty<MouseCursor?>? mouseCursor,
-    EdgeInsets? padding,
   }) {
     return PopupMenuThemeData(
       color: color ?? this.color,
@@ -88,7 +81,6 @@ class PopupMenuThemeData with Diagnosticable {
       textStyle: textStyle ?? this.textStyle,
       enableFeedback: enableFeedback ?? this.enableFeedback,
       mouseCursor: mouseCursor ?? this.mouseCursor,
-      padding: padding ?? this.padding,
     );
   }
 
@@ -108,7 +100,6 @@ class PopupMenuThemeData with Diagnosticable {
       textStyle: TextStyle.lerp(a?.textStyle, b?.textStyle, t),
       enableFeedback: t < 0.5 ? a?.enableFeedback : b?.enableFeedback,
       mouseCursor: t < 0.5 ? a?.mouseCursor : b?.mouseCursor,
-      padding: EdgeInsetsGeometry.lerp(a?.padding, b?.padding, t),
     );
   }
 
@@ -120,8 +111,7 @@ class PopupMenuThemeData with Diagnosticable {
       elevation,
       textStyle,
       enableFeedback,
-      mouseCursor,
-      padding,
+      mouseCursor
     );
   }
 
@@ -137,8 +127,7 @@ class PopupMenuThemeData with Diagnosticable {
         && other.shape == shape
         && other.textStyle == textStyle
         && other.enableFeedback == enableFeedback
-        && other.mouseCursor == mouseCursor
-        && other.padding == padding;
+        && other.mouseCursor == mouseCursor;
   }
 
   @override
@@ -150,7 +139,6 @@ class PopupMenuThemeData with Diagnosticable {
     properties.add(DiagnosticsProperty<TextStyle>('text style', textStyle, defaultValue: null));
     properties.add(DiagnosticsProperty<bool>('enableFeedback', enableFeedback, defaultValue: null));
     properties.add(DiagnosticsProperty<MaterialStateProperty<MouseCursor?>>('mouseCursor', mouseCursor, defaultValue: null));
-    properties.add(DiagnosticsProperty<EdgeInsetsGeometry>('padding', padding, defaultValue: null));
   }
 }
 

packages/flutter/test/material/popup_menu_test.dart

@@ -1471,72 +1471,6 @@ void main() {
     expect(tester.widget<Container>(find.widgetWithText(Container, 'Item 3')).padding, const EdgeInsets.all(20));
   });
 
-testWidgets('PopupMenu custom padding', (WidgetTester tester) async {
-    final Key popupMenuButtonWithDefaultPaddingKey = UniqueKey();
-    final Key popupMenuButtonWithOverriddenPaddingKey = UniqueKey();
-
-    const EdgeInsets padding = EdgeInsets.zero;
-
-    await tester.pumpWidget(
-      MaterialApp(
-        home: Scaffold(
-          body: Column(
-            children: <PopupMenuButton<String>>[
-              PopupMenuButton<String>(
-                key: popupMenuButtonWithDefaultPaddingKey,
-                child: const Text('button'),
-                onSelected: (String result) {},
-                itemBuilder: (BuildContext context) {
-                  return <PopupMenuEntry<String>>[
-                    const PopupMenuItem<String>(
-                      value: '0',
-                      child: Text('Item 0'),
-                    ),
-                  ];
-                },
-              ),
-              PopupMenuButton<String>(
-                menuPadding: padding,
-                key: popupMenuButtonWithOverriddenPaddingKey,
-                child: const Text('button'),
-                onSelected: (String result) {},
-                itemBuilder: (BuildContext context) {
-                  return <PopupMenuEntry<String>>[
-                    const PopupMenuItem<String>(
-                      value: '0',
-                      child: Text('Item 0'),
-                    ),
-                  ];
-                },
-              )
-            ],
-          ),
-        ),
-      ),
-    );
-
-    final Finder popupFinder = find.byType(SingleChildScrollView);
-    // Show the menu
-    await tester.tap(find.byKey(popupMenuButtonWithDefaultPaddingKey));
-    await tester.pumpAndSettle();
-
-    expect(tester.widget<SingleChildScrollView>(popupFinder).padding,
-      const EdgeInsets.symmetric(vertical: 8),
-      reason: 'The popup without explicit paddings should utilise the default ones.',);
-
-    // Close previous menu
-    await tester.tap(find.byKey(popupMenuButtonWithDefaultPaddingKey), warnIfMissed: false);
-    await tester.pumpAndSettle();
-
-    // Show the menu
-    await tester.tap(find.byKey(popupMenuButtonWithOverriddenPaddingKey));
-    await tester.pumpAndSettle();
-
-    expect(tester.widget<SingleChildScrollView>(popupFinder).padding,
-      padding,
-      reason: 'The popup should utilise explicitly set paddings.',);
-  });
-
   testWidgets('CheckedPopupMenuItem child height is a minimum, child is vertically centered', (WidgetTester tester) async {
     final Key popupMenuButtonKey = UniqueKey();
     final Type menuItemType = const CheckedPopupMenuItem<String>(child: Text('item')).runtimeType;

packages/flutter/test/material/popup_menu_theme_test.dart

@@ -13,7 +13,6 @@ PopupMenuThemeData _popupMenuTheme() {
     shape: BeveledRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(12))),
     elevation: 12.0,
     textStyle: TextStyle(color: Color(0xffffffff), textBaseline: TextBaseline.alphabetic),
-    padding: EdgeInsets.symmetric(vertical: 6, horizontal: 6),
   );
 }
 
@@ -196,7 +195,6 @@ void main() {
     );
     const double elevation = 7.0;
     const TextStyle textStyle = TextStyle(color: Color(0x00000000), textBaseline: TextBaseline.alphabetic);
-    const EdgeInsets menuPadding = EdgeInsets.zero;
 
     await tester.pumpWidget(MaterialApp(
       theme: ThemeData(popupMenuTheme: popupMenuTheme),
@@ -209,7 +207,6 @@ void main() {
               elevation: elevation,
               color: color,
               shape: shape,
-              menuPadding: menuPadding,
               itemBuilder: (BuildContext context) {
                 return <PopupMenuEntry<void>>[
                   PopupMenuItem<void>(
@@ -253,12 +250,6 @@ void main() {
       ).last,
     );
     expect(text.style, textStyle);
-
-    /// PopupMenu widget is private so in order to test padding the widget
-    /// with the popup padding is extracted.
-    final SingleChildScrollView popupMenu = tester.widget<SingleChildScrollView>
-      (find.byType(SingleChildScrollView));
-    expect(popupMenu.padding, menuPadding);
   });
 
   testWidgets('ThemeData.popupMenuTheme properties are utilized', (WidgetTester tester) async {
@@ -267,8 +258,6 @@ void main() {
     final Key enabledPopupItemKey = UniqueKey();
     final Key disabledPopupItemKey = UniqueKey();
 
-    const EdgeInsets themePadding = EdgeInsets.zero;
-
     await tester.pumpWidget(MaterialApp(
       key: popupButtonApp,
       home: Material(
@@ -286,7 +275,6 @@ void main() {
                   }
                   return SystemMouseCursors.alias;
                 }),
-                padding: themePadding,
               ),
               child: PopupMenuButton<void>(
                 key: popupButtonKey,
@@ -345,11 +333,5 @@ void main() {
     await gesture.down(tester.getCenter(find.byKey(enabledPopupItemKey)));
     await tester.pumpAndSettle();
     expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.alias);
-
-    /// PopupMenu widget is private so in order to test padding we extract
-    /// the widget which holds the padding.
-    final SingleChildScrollView popupMenu = tester.widget<SingleChildScrollView>
-      (find.byType(SingleChildScrollView));
-    expect(popupMenu.padding, themePadding);
   });
 }