Missing API for TextSelectionToolbar styling #22210
Description
There is no way to override TextSelectionToolbar styles.
Example below doesn't have any effect on TextSelectionToolbar styling
Theme(
data: Theme.of(context).copyWith(
splashColor: Colors.black, // should update splash color of FlatButton used in Toolbar
canvasColor: Colors.red, // should update background color
),
child: TextField(...),
);Background color of TextSelectionToolbar is also not obvious to override (it comes from underlying Material which takes canvasColor as a background). This chain of "dependencies" is not really obvious, so maybe it worth extending ThemeData with textSelectionToolbarTheme prop?
Flutter doctor output:
[✓] Flutter (Channel beta, v0.8.2, on Mac OS X 10.13.6 17G65, locale en-BY)
• Flutter version 0.8.2 at /Users/r1zzu/flutter
• Framework revision 5ab9e70727 (2 weeks ago), 2018-09-07 12:33:05 -0700
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• Platform android-27, build-tools 27.0.3
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