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Mouad Debbar d778ed25a4
[web] Detect scrollable semantics nodes more reliably (#164491) 
When a text field is inside a scrollable, and the virtual keyboard shows
up, it (sometimes) makes the scrollable semantics node have a 0 extent.
In that case, the scrollable node has no scroll actions attached. In the
web engine, we detect that as a change of roles (from scrollable to
generic) which causes a DOM mutation above the text field, so the
browser shifts focus to the `<body>`.

In order to avoid this bug, this PR changes how we detect a scrollable
node by checking for the
[`hasImplicitScrolling`](https://api.flutter.dev/flutter/dart-ui/SemanticsFlag/hasImplicitScrolling-constant.html)
flag.

Fixes https://github.com/flutter/flutter/issues/154741
2025-03-06 14:56:27 +00:00
..
scripts
gclient template file clarifications (#160882)
2024-12-27 19:36:20 +00:00
src
[web] Detect scrollable semantics nodes more reliably (#164491)
2025-03-06 14:56:27 +00:00
README.md
Add to Setup Path Example to Engine README (#162115)
2025-01-24 05:14:38 +00:00

README.md

Flutter Engine

Setting up the Engine development environment

See here

gclient bootstrap

Flutter engine uses gclient to manage dependencies.

If you've already cloned the flutter repository:

  1. Copy one of the engine/scripts/*.gclient to the root folder as .gclient:
    1. Googlers: copy rbe.gclient to enable faster builds with RBE
    2. Everyone else: copy standard.gclient
  2. run gclient sync from the root folder