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feat: Implement custom keyboard for Android TV (#523)
Co-authored-by: PartyDonut <PartyDonut@users.noreply.github.com>
This commit is contained in:
PartyDonut
GitHub
parent
721fc28060
commit
75c2f958b4
22 changed files with 927 additions and 157 deletions
309
lib/widgets/keyboard/custom_keyboard.dart
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309
lib/widgets/keyboard/custom_keyboard.dart
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@ -0,0 +1,309 @@
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:iconsax_plus/iconsax_plus.dart';
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import 'package:fladder/screens/shared/animated_fade_size.dart';
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import 'package:fladder/util/focus_provider.dart';
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import 'package:fladder/util/localization_helper.dart';
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import 'package:fladder/widgets/keyboard/alpha_numeric_keyboard.dart';
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class CustomKeyboard extends InheritedWidget {
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final CustomKeyboardState state;
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const CustomKeyboard({
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required this.state,
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required super.child,
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super.key,
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});
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static CustomKeyboardState of(BuildContext context) {
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final inherited = context.dependOnInheritedWidgetOfExactType<CustomKeyboard>();
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assert(inherited != null, 'No CustomKeyboard found in context');
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return inherited!.state;
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}
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@override
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bool updateShouldNotify(CustomKeyboard oldWidget) => state != oldWidget.state;
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}
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class CustomKeyboardWrapper extends StatefulWidget {
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final Widget child;
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const CustomKeyboardWrapper({super.key, required this.child});
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@override
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CustomKeyboardState createState() => CustomKeyboardState();
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}
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class CustomKeyboardState extends State<CustomKeyboardWrapper> {
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bool _isOpen = false;
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TextEditingController? _controller;
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TextField? _textField;
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bool get isOpen => _isOpen;
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VoidCallback? onCloseCall;
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FutureOr<List<String>> Function(String query)? searchQuery;
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void openKeyboard(
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TextField textField, {
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VoidCallback? onClosed,
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FutureOr<List<String>> Function(String query)? query,
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}) {
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onCloseCall = onClosed;
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searchQuery = query;
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setState(() {
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_isOpen = true;
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_textField = textField;
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_controller = textField.controller;
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});
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_controller?.addListener(() {
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_textField?.onChanged?.call(_controller?.text ?? "");
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});
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}
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void closeKeyboard() {
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setState(() {
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_isOpen = false;
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});
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onCloseCall?.call();
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onCloseCall = null;
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if (_controller != null) {
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_textField?.onSubmitted?.call(_controller?.text ?? "");
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_textField?.onEditingComplete?.call();
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_controller?.removeListener(() {
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_textField?.onChanged?.call(_controller?.text ?? "");
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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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super.dispose();
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_controller?.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final mq = MediaQuery.of(context);
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return BackButtonListener(
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onBackButtonPressed: () async {
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if (!context.mounted) return false;
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if (_isOpen && context.mounted) {
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closeKeyboard();
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return true;
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} else {
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return false;
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}
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},
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child: CustomKeyboard(
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state: this,
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child: Container(
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color: Theme.of(context).colorScheme.surface,
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alignment: Alignment.center,
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child: Row(
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children: [
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AnimatedSize(
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duration: const Duration(milliseconds: 125),
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child: _isOpen
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? SizedBox(
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width: mq.size.width * 0.20,
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height: double.infinity,
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child: Material(
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color: Theme.of(context).colorScheme.surface,
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child: _CustomKeyboardView(
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controller: _controller!,
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keyboardType: _textField?.keyboardType,
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keyboardActionType: _textField?.textInputAction,
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onClose: closeKeyboard,
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onChanged: () => _textField?.onChanged?.call(_controller?.text ?? ""),
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searchQuery: searchQuery,
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),
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),
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)
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: const SizedBox.shrink(),
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),
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Expanded(child: widget.child),
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],
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),
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),
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),
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);
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}
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}
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class _CustomKeyboardView extends StatefulWidget {
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final TextEditingController controller;
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final TextInputAction? keyboardActionType;
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final TextInputType? keyboardType;
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final VoidCallback onChanged;
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final VoidCallback onClose;
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final FutureOr<List<String>> Function(String query)? searchQuery;
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const _CustomKeyboardView({
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required this.controller,
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required this.onChanged,
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required this.onClose,
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this.keyboardActionType,
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this.keyboardType,
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this.searchQuery,
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});
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@override
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State<_CustomKeyboardView> createState() => _CustomKeyboardViewState();
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}
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class _CustomKeyboardViewState extends State<_CustomKeyboardView> {
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final FocusScopeNode scope = FocusScopeNode();
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ValueNotifier<List<String>> searchQueryResults = ValueNotifier([]);
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Future<void> startUpdate(String text) async {
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final newValues = await widget.searchQuery?.call(widget.controller.text) ?? [];
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searchQueryResults.value = newValues;
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}
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addPostFrameCallback((value) {
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startUpdate(widget.controller.text);
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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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if (!scope.hasFocus) {
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scope.requestFocus();
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}
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return FocusScope(
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node: scope,
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autofocus: true,
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child: Padding(
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padding: const EdgeInsets.all(12.0).add(MediaQuery.paddingOf(context)),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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spacing: 16,
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children: [
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Card(
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child: Padding(
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padding: const EdgeInsets.all(12.0),
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child: Text(
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widget.keyboardType == TextInputType.visiblePassword
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? List.generate(
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widget.controller.text.length,
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(index) => "*",
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).join()
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: widget.controller.text,
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style: Theme.of(context).textTheme.titleLarge,
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),
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),
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),
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if (widget.searchQuery != null)
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ValueListenableBuilder(
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valueListenable: searchQueryResults,
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builder: (context, values, child) => _SearchResults(
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results: values,
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query: widget.controller.text,
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onTap: (value) {
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widget.controller.text = value;
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widget.onClose();
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},
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),
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),
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Flexible(
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child: AlphaNumericKeyboard(
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onCharacter: (value) => setState(() {
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widget.controller.text += value;
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startUpdate(widget.controller.text);
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}),
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keyboardType: widget.keyboardType ?? TextInputType.name,
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keyboardActionType: widget.keyboardActionType ?? TextInputAction.done,
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onBackspace: () {
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setState(() {
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widget.controller.text = widget.controller.text.substring(0, widget.controller.text.length - 1);
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widget.onChanged();
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});
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startUpdate(widget.controller.text);
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},
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onClear: () => setState(() => widget.controller.clear()),
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onDone: widget.onClose,
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),
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),
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],
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),
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),
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);
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}
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}
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class _SearchResults extends StatelessWidget {
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final List<String> results;
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final String query;
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final Function(String value) onTap;
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const _SearchResults({
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required this.results,
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required this.query,
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required this.onTap,
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});
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@override
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Widget build(BuildContext context) {
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final minHeight = MediaQuery.sizeOf(context).height * 0.25;
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return AnimatedFadeSize(
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alignment: Alignment.topCenter,
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child: results.isNotEmpty && query.isNotEmpty
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? ConstrainedBox(
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constraints: BoxConstraints(minHeight: minHeight),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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spacing: 6,
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children: [
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...results.map(
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(result) => FocusButton(
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onTap: () => onTap(result),
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child: Card(
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child: Row(
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mainAxisSize: MainAxisSize.max,
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spacing: 8,
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children: [
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const Icon(IconsaxPlusLinear.arrow_right),
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Flexible(
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child: Text(
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result,
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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style: Theme.of(context).textTheme.bodyMedium,
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),
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),
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],
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),
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),
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),
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),
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),
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],
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),
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)
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: SizedBox(
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height: minHeight,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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spacing: 8,
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children: [
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const Icon(IconsaxPlusLinear.search_status_1),
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Text(context.localized.noResults),
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],
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),
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),
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);
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}
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}
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