[web] Apply autocapitalize to text editing elements#188351
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This pull request refactors how onscreen canvases are styled as overlays by dynamically setting the position: absolute CSS property only when platform views are present, rather than hardcoding it. It also centralizes the application of the autocapitalize attribute in text editing strategies and updates corresponding tests. The review feedback suggests wrapping a test's JS configuration override in a try-finally block to prevent test pollution and correcting a misleading copy-pasted comment in the text editing tests.
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engine/src/flutter/lib/web_ui/test/ui/platform_view_position_test.dart (25-64)
To prevent test pollution, wrap the test body in a try-finally block to ensure that engine.debugOverrideJsConfiguration(null) is always executed, even if the test fails or throws an exception. This ensures subsequent tests are not affected by a leftover global JS configuration override.
test('base onscreen canvas is not positioned as an overlay', () async {
if (!isCanvasKit) {
return;
}
// Force multi-surface mode to ensure OnscreenCanvasProvider is used.
engine.debugOverrideJsConfiguration(
<String, Object?>{'canvasKitForceMultiSurfaceRasterizer': true}.jsify()
as engine.JsFlutterConfiguration?,
);
try {
// Reset the renderer to ensure it is created with the new configuration.
engine.renderer.debugResetRasterizer();
engine.renderer.debugClear();
// Create a scene with only Flutter content. This uses the base canvas, not
// an overlay canvas interleaved with platform views.
final recorder = ui.PictureRecorder();
final canvas = ui.Canvas(recorder);
canvas.drawRect(
const ui.Rect.fromLTWH(0, 0, 100, 100),
ui.Paint()..color = const ui.Color(0xFFFF0000),
);
final sb = ui.SceneBuilder();
sb.addPicture(ui.Offset.zero, recorder.endRecording());
await renderScene(sb.build());
final DomElement canvasElement = (implicitView as engine.EngineFlutterView).dom.sceneHost
.querySelectorAll('canvas')
.single;
expect(
canvasElement.style.position,
isNot('absolute'),
reason: 'Base canvas should not be styled as a platform-view overlay.',
);
} finally {
engine.debugOverrideJsConfiguration(null);
}
});References
- Code should be tested and follow the guidance described in the writing effective tests guide. (link)
engine/src/flutter/lib/web_ui/test/engine/text_editing_test.dart (1931)
The comment mentions creating a configuration with an AutofillGroup of four text fields, but the code actually creates a single text field configuration with sentences capitalization. This appears to be a copy-paste comment error and should be corrected to avoid confusion.
// Create a configuration with sentences capitalization.
References
- Optimize for readability: Code is read more often than it is written. (link)
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autosubmit label was removed for flutter/flutter/188351, because The base commit of the PR is older than 7 days and can not be merged. Please merge the latest changes from the main into this branch and resubmit the PR. |
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…12135) Manual roll Flutter from ca9f874f5284 to 6995038d96ef (44 revisions) Manual roll requested by [email protected] flutter/flutter@ca9f874...6995038 2026-07-03 [email protected] Roll Fuchsia Linux SDK from sx_eN0J_f2BV6jqjW... to Jr08vyeibMSv3Oxst... (flutter/flutter#188946) 2026-07-03 [email protected] Roll Packages from 420e135 to 2fbe873 (1 revision) (flutter/flutter#188945) 2026-07-03 [email protected] Roll Dart SDK from 786212a2ce0d to 1f9a08ce0638 (4 revisions) (flutter/flutter#188944) 2026-07-03 [email protected] Roll Skia from 5358ab75b840 to 919956953af6 (7 revisions) (flutter/flutter#188943) 2026-07-02 [email protected] [Windows] Keep regular windows in place when another is activated (flutter/flutter#188016) 2026-07-02 [email protected] [flutter_tools] Provide guided message when iOS/macOS build fails due to low minimum version (flutter/flutter#188812) 2026-07-02 [email protected] [Flutter GPU] Load a ShaderLibrary from shader bundle bytes (flutter/flutter#188596) 2026-07-02 [email protected] [tool] Enable record_use experiment by default on all channels (flutter/flutter#188887) 2026-07-02 [email protected] Roll Packages from e742106 to 420e135 (13 revisions) (flutter/flutter#188916) 2026-07-02 [email protected] Roll Fuchsia Linux SDK from I2h2eXk06RrA3pIG2... to sx_eN0J_f2BV6jqjW... (flutter/flutter#188915) 2026-07-02 [email protected] Clarify layout callback debug flag docs (flutter/flutter#186879) 2026-07-02 [email protected] Roll Skia from 0c4faca350cc to 5358ab75b840 (2 revisions) (flutter/flutter#188899) 2026-07-02 [email protected] Roll Dart SDK from e47361c7fe9a to 786212a2ce0d (2 revisions) (flutter/flutter#188898) 2026-07-01 [email protected] Roll Skia from 0fc8ba72e802 to 0c4faca350cc (2 revisions) (flutter/flutter#188886) 2026-07-01 [email protected] Hide draft PRs from the triage list (flutter/flutter#188885) 2026-07-01 [email protected] Stricten isSemantics and matchesSemantics children mismatch check (flutter/flutter#188827) 2026-07-01 [email protected] [AGP 9] Support Enabling Built-in Kotlin (flutter/flutter#188543) 2026-07-01 [email protected] Roll Skia from d19e557ac317 to 0fc8ba72e802 (4 revisions) (flutter/flutter#188879) 2026-07-01 [email protected] [ci] Increase test timeout for Mac_x64 build_tests shards (flutter/flutter#188804) 2026-07-01 [email protected] Roll Skia from bd4ae38ca3bb to d19e557ac317 (1 revision) (flutter/flutter#188865) 2026-07-01 [email protected] Roll Dart SDK from 26d723eb89af to e47361c7fe9a (5 revisions) (flutter/flutter#188864) 2026-07-01 [email protected] Update triage links for material_ui and cupertino_ui --> Design triage (flutter/flutter#188567) 2026-07-01 [email protected] [Impeller] Share a single ContextGLES among all PlaygroundImplGLES (flutter/flutter#188080) 2026-07-01 [email protected] Use null-aware elements in dev/devicelab/lib/integration_tests.dart (flutter/flutter#187852) 2026-07-01 [email protected] Roll Packages from 274ed3e to e742106 (18 revisions) (flutter/flutter#188863) 2026-07-01 [email protected] Add android 17 to embedding (flutter/flutter#187965) 2026-07-01 [email protected] Adds semantics role check to isSemantics and matchesSemantics (flutter/flutter#188825) 2026-07-01 [email protected] Roll Dart SDK from e1bdb9ce3327 to 26d723eb89af (3 revisions) (flutter/flutter#188795) 2026-07-01 [email protected] [web] Apply autocapitalize to text editing elements (flutter/flutter#188351) 2026-07-01 [email protected] Roll Fuchsia Linux SDK from RymJjIj7dd5vQ3Cnh... to I2h2eXk06RrA3pIG2... (flutter/flutter#188852) 2026-07-01 [email protected] [Impeller] Compute dispatch takes 3D workgroup counts and honors the shader local_size (flutter/flutter#188601) 2026-07-01 [email protected] Improve stylus support on linux (flutter/flutter#186831) 2026-07-01 [email protected] Resolve issue Catch am start failures with 'Error type' and prevent hang (flutter/flutter#187196) 2026-07-01 [email protected] Roll Skia from ef178c9898af to bd4ae38ca3bb (3 revisions) (flutter/flutter#188834) 2026-07-01 [email protected] Roll Skia from 3ac99be47229 to ef178c9898af (3 revisions) (flutter/flutter#188831) 2026-07-01 [email protected] Add a macosArm64Only feature flag (flutter/flutter#188598) 2026-07-01 [email protected] Roll Skia from 15302f1625b2 to 3ac99be47229 (1 revision) (flutter/flutter#188819) 2026-07-01 [email protected] [flutter_tools] Track asset transformer dependencies for hot reload (Reland #187947) (flutter/flutter#188808) 2026-06-30 [email protected] Add TapRegion samples (flutter/flutter#188685) 2026-06-30 [email protected] Print a warning in `flutter doctor` when running on Intel Macs (flutter/flutter#188760) 2026-06-30 [email protected] [framework] Keep scrollable semantics role stable (flutter/flutter#187963) 2026-06-30 [email protected] feat(skills): Add shepherd-prs skill for managing approved external contributor PRs (flutter/flutter#188534) 2026-06-30 [email protected] Roll Skia from 71947c4110b0 to 15302f1625b2 (17 revisions) (flutter/flutter#188815) 2026-06-30 [email protected] [Tool] Run re-entrant upgrade in original CWD (flutter/flutter#188794) ...
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…lutter#12135) Manual roll Flutter from ca9f874f5284 to 6995038d96ef (44 revisions) Manual roll requested by [email protected] flutter/flutter@ca9f874...6995038 2026-07-03 [email protected] Roll Fuchsia Linux SDK from sx_eN0J_f2BV6jqjW... to Jr08vyeibMSv3Oxst... (flutter/flutter#188946) 2026-07-03 [email protected] Roll Packages from 420e135 to 2fbe873 (1 revision) (flutter/flutter#188945) 2026-07-03 [email protected] Roll Dart SDK from 786212a2ce0d to 1f9a08ce0638 (4 revisions) (flutter/flutter#188944) 2026-07-03 [email protected] Roll Skia from 5358ab75b840 to 919956953af6 (7 revisions) (flutter/flutter#188943) 2026-07-02 [email protected] [Windows] Keep regular windows in place when another is activated (flutter/flutter#188016) 2026-07-02 [email protected] [flutter_tools] Provide guided message when iOS/macOS build fails due to low minimum version (flutter/flutter#188812) 2026-07-02 [email protected] [Flutter GPU] Load a ShaderLibrary from shader bundle bytes (flutter/flutter#188596) 2026-07-02 [email protected] [tool] Enable record_use experiment by default on all channels (flutter/flutter#188887) 2026-07-02 [email protected] Roll Packages from e742106 to 420e135 (13 revisions) (flutter/flutter#188916) 2026-07-02 [email protected] Roll Fuchsia Linux SDK from I2h2eXk06RrA3pIG2... to sx_eN0J_f2BV6jqjW... (flutter/flutter#188915) 2026-07-02 [email protected] Clarify layout callback debug flag docs (flutter/flutter#186879) 2026-07-02 [email protected] Roll Skia from 0c4faca350cc to 5358ab75b840 (2 revisions) (flutter/flutter#188899) 2026-07-02 [email protected] Roll Dart SDK from e47361c7fe9a to 786212a2ce0d (2 revisions) (flutter/flutter#188898) 2026-07-01 [email protected] Roll Skia from 0fc8ba72e802 to 0c4faca350cc (2 revisions) (flutter/flutter#188886) 2026-07-01 [email protected] Hide draft PRs from the triage list (flutter/flutter#188885) 2026-07-01 [email protected] Stricten isSemantics and matchesSemantics children mismatch check (flutter/flutter#188827) 2026-07-01 [email protected] [AGP 9] Support Enabling Built-in Kotlin (flutter/flutter#188543) 2026-07-01 [email protected] Roll Skia from d19e557ac317 to 0fc8ba72e802 (4 revisions) (flutter/flutter#188879) 2026-07-01 [email protected] [ci] Increase test timeout for Mac_x64 build_tests shards (flutter/flutter#188804) 2026-07-01 [email protected] Roll Skia from bd4ae38ca3bb to d19e557ac317 (1 revision) (flutter/flutter#188865) 2026-07-01 [email protected] Roll Dart SDK from 26d723eb89af to e47361c7fe9a (5 revisions) (flutter/flutter#188864) 2026-07-01 [email protected] Update triage links for material_ui and cupertino_ui --> Design triage (flutter/flutter#188567) 2026-07-01 [email protected] [Impeller] Share a single ContextGLES among all PlaygroundImplGLES (flutter/flutter#188080) 2026-07-01 [email protected] Use null-aware elements in dev/devicelab/lib/integration_tests.dart (flutter/flutter#187852) 2026-07-01 [email protected] Roll Packages from 274ed3e to e742106 (18 revisions) (flutter/flutter#188863) 2026-07-01 [email protected] Add android 17 to embedding (flutter/flutter#187965) 2026-07-01 [email protected] Adds semantics role check to isSemantics and matchesSemantics (flutter/flutter#188825) 2026-07-01 [email protected] Roll Dart SDK from e1bdb9ce3327 to 26d723eb89af (3 revisions) (flutter/flutter#188795) 2026-07-01 [email protected] [web] Apply autocapitalize to text editing elements (flutter/flutter#188351) 2026-07-01 [email protected] Roll Fuchsia Linux SDK from RymJjIj7dd5vQ3Cnh... to I2h2eXk06RrA3pIG2... (flutter/flutter#188852) 2026-07-01 [email protected] [Impeller] Compute dispatch takes 3D workgroup counts and honors the shader local_size (flutter/flutter#188601) 2026-07-01 [email protected] Improve stylus support on linux (flutter/flutter#186831) 2026-07-01 [email protected] Resolve issue Catch am start failures with 'Error type' and prevent hang (flutter/flutter#187196) 2026-07-01 [email protected] Roll Skia from ef178c9898af to bd4ae38ca3bb (3 revisions) (flutter/flutter#188834) 2026-07-01 [email protected] Roll Skia from 3ac99be47229 to ef178c9898af (3 revisions) (flutter/flutter#188831) 2026-07-01 [email protected] Add a macosArm64Only feature flag (flutter/flutter#188598) 2026-07-01 [email protected] Roll Skia from 15302f1625b2 to 3ac99be47229 (1 revision) (flutter/flutter#188819) 2026-07-01 [email protected] [flutter_tools] Track asset transformer dependencies for hot reload (Reland #187947) (flutter/flutter#188808) 2026-06-30 [email protected] Add TapRegion samples (flutter/flutter#188685) 2026-06-30 [email protected] Print a warning in `flutter doctor` when running on Intel Macs (flutter/flutter#188760) 2026-06-30 [email protected] [framework] Keep scrollable semantics role stable (flutter/flutter#187963) 2026-06-30 [email protected] feat(skills): Add shepherd-prs skill for managing approved external contributor PRs (flutter/flutter#188534) 2026-06-30 [email protected] Roll Skia from 71947c4110b0 to 15302f1625b2 (17 revisions) (flutter/flutter#188815) 2026-06-30 [email protected] [Tool] Run re-entrant upgrade in original CWD (flutter/flutter#188794) ...
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Fixes #187231
Problem
Flutter web does not apply
TextCapitalizationto the hidden.flt-text-editinginput for all text editing strategies. On Chromebook OSK, this can cause the first typed letter to be capitalized even when the app usesTextCapitalization.none.Fix
Apply
autocapitalizein the sharedDefaultTextEditingStrategy.applyConfigurationpath so all web strategies write the correct DOM attribute.Demo
Steps: enable Chromebook on-screen keyboard, focus the Flutter text field, dismiss the keyboard, refocus the field, then type
a.Before: the hidden Flutter input is missing
autocapitalize, and Chromebook OSK may typeA.After: the hidden Flutter input has
autocapitalize="off", and Chromebook OSK typesa.Manual validation
autocapitalizeon.flt-text-editing.autocapitalize="off"on.flt-text-editing.