Textfield cursor height strange behaviour(gif) #64072
Description
Relates to #61714
Steps to Reproduce
import 'package:flutter/material.dart';
class Pr61714CursorHeight extends StatefulWidget {
@override
_Pr61714CursorHeightState createState() => _Pr61714CursorHeightState();
}
class _Pr61714CursorHeightState extends State<Pr61714CursorHeight> {
double height = 5;
double width = 2;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Label unnecessarily elided'),
),
body: Column(
children: [
Padding(
padding: const EdgeInsets.all(8.0),
child: TextField(
cursorHeight: height,
cursorWidth: width,
),
),
Slider(
value: height,
min: 5,
max: 50.0,
divisions: 15,
activeColor: Colors.red,
inactiveColor: Colors.black,
label: '$height',
onChanged: (double newValue) {
setState(() {
height = newValue;
});
},
semanticFormatterCallback: (double newValue) {
return '$newValue';
},
),
Slider(
value: width,
min: 2,
max: 20.0,
divisions: 9,
activeColor: Colors.red,
inactiveColor: Colors.black,
label: '$width',
onChanged: (double newValue) {
setState(() {
width = newValue;
});
},
semanticFormatterCallback: (double newValue) {
return '$newValue';
},
),
],
),
);
}
}
Expected results:
Consistent behaviour while changing the cursor height on the fly
Actual results:
Cursor jumps and cropped. See the attached gif
Logs
Analyzing whatsup_flutter...
info • Unused import: 'package:whatsup_flutter/whats_up.dart' • lib/home_screen.dart:6:8 • unused_import
info • The value of the field '_search' isn't used • lib/home_screen.dart:14:10 • unused_field
info • The declaration '_handleSearchClear' isn't referenced • lib/home_screen.dart:28:8 • unused_element
info • Don't explicitly initialize variables to null • lib/text.dart:142:7 • avoid_init_to_null
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• Flutter version 1.21.0-10.0.pre.139 at /Users/vasilich/IdeaProjects/flutter
• Framework revision a51dc3d913 (12 hours ago), 2020-08-18 02:51:02 -0400
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[✓] Connected device (4 available)
• iPhone 11 Pro (mobile) • 34A1C1C6-659A-4332-A240-988ABC68E2FF • ios • com.apple.CoreSimulator.SimRuntime.iOS-13-6 (simulator)
• macOS (desktop) • macos • darwin-x64 • Mac OS X 10.15.4 19E287
• Web Server (web) • web-server • web-javascript • Flutter Tools
• Chrome (web) • chrome • web-javascript • Google Chrome 84.0.4147.125
! Doctor found issues in 1 category.