Fixed an issue with FilterChip's changing size when selected due to border size. (#111916)
diff --git a/dev/tools/gen_defaults/lib/filter_chip_template.dart b/dev/tools/gen_defaults/lib/filter_chip_template.dart
index 74eaf45..1f382d1 100644
--- a/dev/tools/gen_defaults/lib/filter_chip_template.dart
+++ b/dev/tools/gen_defaults/lib/filter_chip_template.dart
@@ -57,7 +57,7 @@
? isEnabled
? ${border('$tokenGroup$variant.unselected.outline')}
: ${border('$tokenGroup$variant.disabled.unselected.outline')}
- : null;
+ : const BorderSide(color: Colors.transparent);
@override
IconThemeData? get iconTheme => IconThemeData(
diff --git a/packages/flutter/lib/src/material/choice_chip.dart b/packages/flutter/lib/src/material/choice_chip.dart
index e3fb880..f5358f4 100644
--- a/packages/flutter/lib/src/material/choice_chip.dart
+++ b/packages/flutter/lib/src/material/choice_chip.dart
@@ -7,6 +7,7 @@
import 'chip.dart';
import 'chip_theme.dart';
+import 'colors.dart';
import 'debug.dart';
import 'theme.dart';
import 'theme_data.dart';
@@ -236,7 +237,7 @@
? isEnabled
? BorderSide(color: Theme.of(context).colorScheme.outline)
: BorderSide(color: Theme.of(context).colorScheme.onSurface.withOpacity(0.12))
- : null;
+ : const BorderSide(color: Colors.transparent);
@override
IconThemeData? get iconTheme => IconThemeData(
diff --git a/packages/flutter/lib/src/material/filter_chip.dart b/packages/flutter/lib/src/material/filter_chip.dart
index 808be42..77ae90a 100644
--- a/packages/flutter/lib/src/material/filter_chip.dart
+++ b/packages/flutter/lib/src/material/filter_chip.dart
@@ -7,6 +7,7 @@
import 'chip.dart';
import 'chip_theme.dart';
+import 'colors.dart';
import 'debug.dart';
import 'theme.dart';
import 'theme_data.dart';
@@ -245,7 +246,7 @@
? isEnabled
? BorderSide(color: Theme.of(context).colorScheme.outline)
: BorderSide(color: Theme.of(context).colorScheme.onSurface.withOpacity(0.12))
- : null;
+ : const BorderSide(color: Colors.transparent);
@override
IconThemeData? get iconTheme => IconThemeData(
diff --git a/packages/flutter/test/material/filter_chip_test.dart b/packages/flutter/test/material/filter_chip_test.dart
index 47e3dce..8296876 100644
--- a/packages/flutter/test/material/filter_chip_test.dart
+++ b/packages/flutter/test/material/filter_chip_test.dart
@@ -172,4 +172,43 @@
await tester.pumpWidget(wrapForChip(child: FilterChip(label: label, onSelected: (bool b) { }, clipBehavior: Clip.antiAlias)));
checkChipMaterialClipBehavior(tester, Clip.antiAlias);
});
+
+ testWidgets('M3 width should not change with selection', (WidgetTester tester) async {
+ // Regression tests for: https://github.com/flutter/flutter/issues/110645
+
+ // For the text "FilterChip" the chip should default to 175 regardless of selection.
+ const int expectedWidth = 175;
+
+ // Unselected
+ await tester.pumpWidget(MaterialApp(
+ theme: ThemeData(useMaterial3: true),
+ home: Material(
+ child: Center(
+ child: FilterChip(
+ label: const Text('FilterChip'),
+ showCheckmark: false,
+ onSelected: (bool _) {},
+ )
+ ),
+ ),
+ ));
+ expect(tester.getSize(find.byType(FilterChip)).width, expectedWidth);
+
+ // Selected
+ await tester.pumpWidget(MaterialApp(
+ theme: ThemeData(useMaterial3: true),
+ home: Material(
+ child: Center(
+ child: FilterChip(
+ label: const Text('FilterChip'),
+ showCheckmark: false,
+ selected: true,
+ onSelected: (bool _) {},
+ )
+ ),
+ ),
+ ));
+ await tester.pumpAndSettle();
+ expect(tester.getSize(find.byType(FilterChip)).width, expectedWidth);
+ });
}