TextField on Mac OS Desktop platform doesn't work

[pkondratev]

Steps to Reproduce

1. Run flutter create bug.
2. Update the files as follows:

import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key,}) : super(key: key);

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Title'),
      ),
      body: Center(
        child: Padding(
          padding: const EdgeInsets.all(8.0),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[TextFormField()],
          ),
        ),
      ),
    );
  }
}

3. Run app and try to achieve text field with mouse. It will be not selectable for mouse by click, but if you press down mouse, move cursor a bit and release mouse, text field will be selected. Now, type some text and try to move caret by mouse. It will be impossible using clicks, only by mouse down, move a bit and release button.

Expected results: Cursor sets by clicks of mouse.

Actual results: Not working with clicks, only with drag event.

Logs

flutter analyze
Running "flutter pub get" in test_flutter_app...                   384ms
Analyzing test_flutter_app... 
No issues found! (ran in 1.7s)

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel dev, 1.24.0-7.0.pre, on macOS 11.0.1 20B29 darwin-x64, locale ru-RU)
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
[✓] Xcode - develop for iOS and macOS (Xcode 12.2)
[✓] Chrome - develop for the web
[✓] Android Studio
[✓] VS Code (version 1.51.1)
[✓] Connected device (3 available)

• No issues found!

Additional info (may be important)

I have tried to use

theme: ThemeData(
   primarySwatch: Colors.blue,
   platform: TargetPlatform.fuchsia // android, iOS, macOS, windows also
),

It doesn't change anything.

Also I have tried to set

void main() {
  debugDefaultTargetPlatformOverride = TargetPlatform.fuchsia; // windows, iOS, macOS, android also not works
  runApp(MyApp());
}

And it doesn't change anything too

[pedromassangocode]

Hi @pkondratev
I cannot reproduce this issue on latest master and dev channel. The gif bellow was taken from dev channel.

flutter doctor -v

[✓] Flutter (Channel dev, 1.24.0-7.0.pre, on Mac OS X 10.15.7 19H2 darwin-x64, locale en)
    • Flutter version 1.24.0-7.0.pre at /Users/pedromassango/dev/SDKs/flutter_dev
    • Framework revision a0860f6e87 (2 weeks ago), 2020-10-29 20:07:34 -0700
    • Engine revision 073263e39d
    • Dart version 2.11.0 (build 2.11.0-260.0.dev)

[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
    • Android SDK at /Users/pedromassango/Library/Android/sdk
    • Platform android-30, build-tools 30.0.2
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 12.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 12.1, Build version 12A7403
    • CocoaPods version 1.9.3

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 4.1)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)

[✓] IntelliJ IDEA Community Edition (version 2020.2.3)
    • IntelliJ at /Applications/IntelliJ IDEA CE.app
    • Flutter plugin version 51.0.3
    • Dart plugin version 202.8070

[✓] VS Code (version 1.51.0)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.16.0

[✓] Connected device (3 available)
    • macOS (desktop)  • macos      • darwin-x64     • Mac OS X 10.15.7 19H2 darwin-x64
    • Web Server (web) • web-server • web-javascript • Flutter Tools
    • Chrome (web)     • chrome     • web-javascript • Google Chrome 86.0.4240.193

• No issues found!

[pkondratev]

Hi. @pedromassangocode
It seems what it works if I click between letters, but if cursor stays on letter nothing happens.
The problem may be in new Mac OS Big Sur or external monitor (the same behaviour on MacBook Display).
For example, if I click on 'W' letter cursor not moves to left or right part of it.

[pkondratev]

Additional info: Clicks not working without a little cursor move

[stuartmorgan]

This is a case of #64961; closing as a duplicate.

[github-actions]

This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.