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# dde_gesture_manager
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# DDE Gesture Manager
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专为 DDE 桌面环境打造的触摸板手势管理工具
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A new Flutter project.
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## ProviderGenerator
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利用 [source_gen](https://pub.dev/packages/source_gen) 和 [build_runner](https://pub.flutter-io.cn/packages/build_runner) 生成 [provider](https://pub.flutter-io.cn/packages/provider) 的模板代码：
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1. 在 `lib/models/` 下编写模型类
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```dart
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import 'package:dde_gesture_manager/builder/provider_annotation.dart';
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## Getting Started
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@ProviderModel()
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class Test {
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@ProviderModelProp()
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bool? tested;
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This project is a starting point for a Flutter application.
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@ProviderModelProp()
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String? name;
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}
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A few resources to get you started if this is your first Flutter project:
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```
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- [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab)
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- [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook)
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2. `app` 项目目录下执行 `flutter packages pub run build_runner build`
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For help getting started with Flutter, view our
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[online documentation](https://flutter.dev/docs), which offers tutorials,
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samples, guidance on mobile development, and a full API reference.
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3. 将在 `lib/models/test.provider.dart` 生成如下代码:
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```dart
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import 'package:flutter/foundation.dart';
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import 'package:dde_gesture_manager/extensions/compare_extension.dart';
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import 'test.dart';
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class TestProvider extends Test with ChangeNotifier {
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void setProps({
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bool? tested,
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String? name,
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}) {
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bool changed = false;
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if (tested.diff(this.tested)) {
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this.tested = tested;
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changed = true;
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}
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if (name.diff(this.name)) {
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this.name = name;
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changed = true;
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}
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if (changed) notifyListeners();
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}
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}
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```
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@ -0,0 +1,11 @@
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builders:
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provider_builder:
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import: 'lib/builder/provider_builder.dart'
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builder_factories: [ 'providerBuilder' ]
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build_extensions: { '.dart': [ '.provider.dart' ] }
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auto_apply: root_package
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build_to: source
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defaults:
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generate_for:
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include:
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- lib/models/**
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class ProviderModel {
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const ProviderModel();
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}
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class ProviderModelProp {
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const ProviderModelProp({this.nullable = true});
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final bool nullable;
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}
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import 'package:dde_gesture_manager/builder/provider_generator.dart';
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import 'package:source_gen/source_gen.dart';
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import 'package:build/build.dart';
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Builder providerBuilder(BuilderOptions options) =>
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LibraryBuilder(ProviderGenerator(), generatedExtension: '.provider.dart');
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@ -0,0 +1,48 @@
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import 'package:analyzer/dart/element/element.dart';
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import 'package:build/src/builder/build_step.dart';
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import 'package:dde_gesture_manager/builder/provider_annotation.dart';
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import 'package:source_gen/source_gen.dart';
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import 'package:collection/collection.dart';
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class AnnotationField {
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String name;
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String type;
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AnnotationField(this.name, this.type);
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}
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class ProviderGenerator extends GeneratorForAnnotation<ProviderModel> {
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@override
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generateForAnnotatedElement(Element element, ConstantReader annotation, BuildStep buildStep) {
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var className = (element as ClassElement).source.shortName;
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List<AnnotationField> fields = [];
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element.fields.forEach((field) {
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var annotation = field.metadata.firstWhereOrNull(
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(m) => m.computeConstantValue()?.type?.getDisplayString(withNullability: true) == 'ProviderModelProp');
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if (annotation != null)
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fields.add(
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AnnotationField(
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field.displayName,
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field.type.getDisplayString(
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withNullability: annotation.computeConstantValue()?.getField('nullable')?.toBoolValue() ?? true,
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),
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),
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);
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});
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return '''
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import 'package:flutter/foundation.dart';
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import 'package:dde_gesture_manager/extensions/compare_extension.dart';
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import '$className';
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class ${element.displayName}Provider extends ${element.displayName} with ChangeNotifier {
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void setProps({
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${fields.map((f) => '${f.type.endsWith('?') ? '' : 'required '}${f.type} ${f.name},').join('\n')}
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}) {
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bool changed = false;
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${fields.map((f) => 'if (${f.name}.diff(this.${f.name})) {this.${f.name} = ${f.name}; changed = true; }').join('\n')}
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if (changed) notifyListeners();
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}
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}
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''';
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}
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}
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extension CompareExtension on Object? {
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bool diff(other) => this != null && this != other;
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}
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extension SoutExtension on Object? {
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void sout() {
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switch (this.runtimeType) {
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case String:
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return print(this);
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case Null:
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return print(null);
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default:
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return print(this.toString());
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}
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}
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}
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import 'package:flutter/foundation.dart';
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import 'package:dde_gesture_manager/builder/provider_annotation.dart';
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@ProviderModel()
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class Settings {
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bool? _isDarkMode;
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@ProviderModelProp()
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bool? isDarkMode;
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bool? get isDarkMode => _isDarkMode;
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}
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class SettingsProvider extends Settings with ChangeNotifier {
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void setProps({
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bool? isDarkMode,
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}) {
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bool changed = false;
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if (this._isDarkMode != isDarkMode) {
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this._isDarkMode = isDarkMode;
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changed = true;
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}
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if (changed) notifyListeners();
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}
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@ProviderModelProp()
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String? name;
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}
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import 'package:shared_preferences/shared_preferences.dart';
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class H {
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H._();
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static final _h = H._();
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factory H() => _h;
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late SharedPreferences _sp;
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SharedPreferences get sp => _sp;
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initSharedPreference() async {
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_sp = await SharedPreferences.getInstance();
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}
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}
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export 'init_web.dart' if (dart.library.io) 'init_linux.dart';
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import 'package:dde_gesture_manager/utils/helper.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:gsettings/gsettings.dart';
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import 'package:provider/provider.dart';
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import 'package:window_manager/window_manager.dart';
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import 'package:dde_gesture_manager/models/settings.provider.dart';
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Future<void> initEvents(BuildContext context) async {
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var isDark = MediaQuery.of(context).platformBrightness == Brightness.dark;
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if (isDark) {
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context.read<SettingsProvider>().setProps(isDarkMode: isDark);
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} else {
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var xsettings = GSettings('com.deepin.xsettings');
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xsettings.get('theme-name').then((value) {
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Future.delayed(
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Duration(seconds: 1),
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() => context.read<SettingsProvider>().setProps(isDarkMode: value.toString().contains('dark')),
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);
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});
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xsettings.keysChanged.listen((event) {
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xsettings.get('theme-name').then((value) {
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context.read<SettingsProvider>().setProps(isDarkMode: value.toString().contains('dark'));
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});
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});
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}
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}
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Future<void> initConfigs() async {
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await H().initSharedPreference();
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var windowManager = WindowManager.instance;
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windowManager.setTitle('Gesture Manager For DDE');
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windowManager.setMinimumSize(const Size(800, 600));
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}
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import 'package:dde_gesture_manager/models/settings.provider.dart';
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import 'package:dde_gesture_manager/utils/helper.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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Future<void> initEvents(BuildContext context) async {
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var isDark = MediaQuery.of(context).platformBrightness == Brightness.dark;
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context.read<SettingsProvider>().setProps(isDarkMode: isDark);
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}
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Future<void> initConfigs() async {
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await H().initSharedPreference();
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}
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