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This PR constrains M3 bottom sheets to 640dp max width by default. `constraints` can be used to provide different `minWidth` and `maxWidth`. This is not a breaking change per the breaking change policy. Part of https://github.com/flutter/flutter/issues/118619 Part of https://github.com/flutter/flutter/issues/111448 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/wiki/Tree-hygiene#overview [Tree Hygiene]: https://github.com/flutter/flutter/wiki/Tree-hygiene [test-exempt]: https://github.com/flutter/flutter/wiki/Tree-hygiene#tests [Flutter Style Guide]: https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo [Features we expect every widget to implement]: https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/wiki/Tree-hygiene#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/wiki/Chat
49 lines
1.5 KiB
Dart
49 lines
1.5 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'template.dart';
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class BottomSheetTemplate extends TokenTemplate {
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const BottomSheetTemplate(
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super.blockName,
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super.fileName,
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super.tokens, {
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super.colorSchemePrefix = '_colors.',
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});
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@override
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String generate() => '''
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class _${blockName}DefaultsM3 extends BottomSheetThemeData {
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_${blockName}DefaultsM3(this.context)
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: super(
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elevation: ${elevation("md.comp.sheet.bottom.docked.standard.container")},
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modalElevation: ${elevation("md.comp.sheet.bottom.docked.modal.container")},
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shape: ${shape("md.comp.sheet.bottom.docked.container")},
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constraints: const BoxConstraints(maxWidth: 640),
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);
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final BuildContext context;
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late final ColorScheme _colors = Theme.of(context).colorScheme;
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@override
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Color? get backgroundColor => ${componentColor("md.comp.sheet.bottom.docked.container")};
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@override
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Color? get surfaceTintColor => ${componentColor("md.comp.sheet.bottom.docked.container.surface-tint-layer")};
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@override
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Color? get shadowColor => Colors.transparent;
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@override
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Color? get dragHandleColor => ${componentColor("md.comp.sheet.bottom.docked.drag-handle")};
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@override
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Size? get dragHandleSize => ${size("md.comp.sheet.bottom.docked.drag-handle")};
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@override
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BoxConstraints? get constraints => const BoxConstraints(maxWidth: 640.0);
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}
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''';
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}
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