61 lines
1.7 KiB
Dart
61 lines
1.7 KiB
Dart
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import 'package:flutter/material.dart';
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class WhyWidget extends StatefulWidget {
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@override
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_WhyWidgetState createState() => _WhyWidgetState();
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}
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class _WhyWidgetState extends State<WhyWidget> {
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final TextEditingController _controller =
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TextEditingController(text: "why? ");
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final FocusNode _focusNode = FocusNode();
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@override
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void initState() {
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super.initState();
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_focusNode.addListener(() {
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if (!_focusNode.hasFocus) {
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setState(() {
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// Remove cursor when focus is lost
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_controller.text = _controller.text.replaceAll('|', '');
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});
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}
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});
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// Automatically focus the TextField and open the keyboard when the widget builds
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WidgetsBinding.instance.addPostFrameCallback((_) {
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_focusNode.requestFocus();
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});
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}
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@override
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Widget build(BuildContext context) {
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return TextField(
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controller: _controller,
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focusNode: _focusNode,
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keyboardType: TextInputType.multiline,
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maxLines: null, // Allow for unlimited lines
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cursorColor: Colors.transparent, // Hide the default cursor
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style: TextStyle(color: Colors.black, fontSize: 18),
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decoration: InputDecoration(
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border: InputBorder.none, // Make the TextField borderless
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),
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onChanged: (value) {
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// Ensure "why? " is always at the start
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if (!value.startsWith('why? ')) {
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_controller.text = 'why? ' + value;
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_controller.selection = TextSelection.fromPosition(
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TextPosition(offset: _controller.text.length));
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}
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},
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);
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}
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@override
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void dispose() {
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_controller.dispose();
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_focusNode.dispose();
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super.dispose();
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}
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}
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