IME Deltas - Two-finger scrolling on Mac trackpad changes selection #118642
Description
Reproduction: Place the caret in a SuperTextField on a Mac. Place two fingers on the trackpad. Slide in any direction.
Expected: Nothing happens
Actual: The selection moves with the fingers.
Screen.Recording.2023-01-17.at.1.16.04.PM.mov
This behavior may be intentional, but we don't want it, and it's unclear how we turn it off.
We're receiving text editing deltas from the Mac IME, e.g.,
Received delta: TextEditingDeltaNonTextUpdate#fcaf4(oldText: Super Editor is an open source text editor for Flutter projects., selection: TextSelection(baseOffset: 64, extentOffset: 36, isDirectional: false), composing: TextRange(start: -1, end: -1))
We can't distinguish between that delta and another delta that represents a legitimate IME selection change.
Flutter 3.7.0-21.0.pre.42 • channel master • https://github.com/flutter/flutter.git
Framework • revision 1220245b33 (3 days ago) • 2023-01-14 19:53:06 -0500
Engine • revision f790304409
Tools • Dart 3.0.0 (build 3.0.0-122.0.dev) • DevTools 2.20.0