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remove subfolder flutter_hbb
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rustdesk
204
lib/common.dart
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204
lib/common.dart
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import 'package:flutter/material.dart';
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import 'dart:async';
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import 'package:flutter_easyloading/flutter_easyloading.dart';
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import 'package:tuple/tuple.dart';
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import 'dart:io';
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typedef F = String Function(String);
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class Translator {
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static F call;
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}
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class MyTheme {
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MyTheme._();
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static const Color grayBg = Color(0xFFEEEEEE);
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static const Color white = Color(0xFFFFFFFF);
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static const Color accent = Color(0xFF0071FF);
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static const Color accent50 = Color(0x770071FF);
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static const Color accent80 = Color(0xAA0071FF);
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static const Color canvasColor = Color(0xFF212121);
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static const Color border = Color(0xFFCCCCCC);
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}
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final ButtonStyle flatButtonStyle = TextButton.styleFrom(
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minimumSize: Size(88, 36),
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padding: EdgeInsets.symmetric(horizontal: 16.0),
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.all(Radius.circular(2.0)),
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),
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);
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void Function() loadingCancelCallback = null;
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void showLoading(String text, BuildContext context) {
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if (_hasDialog && context != null) {
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Navigator.pop(context);
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}
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dismissLoading();
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if (Platform.isAndroid) {
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EasyLoading.show(status: text, maskType: EasyLoadingMaskType.black);
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return;
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}
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EasyLoading.showWidget(
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Center(child: CircularProgressIndicator()),
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SizedBox(height: 20),
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Center(
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child:
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Text(Translator.call(text), style: TextStyle(fontSize: 15))),
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SizedBox(height: 20),
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Center(
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child: TextButton(
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style: flatButtonStyle,
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onPressed: () {
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// with out loadingCancelCallback, we can see unexpected input password
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// dialog shown in home, no clue why, so use this as workaround
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// why no such issue on android?
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if (loadingCancelCallback != null) loadingCancelCallback();
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Navigator.pop(context);
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},
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child: Text(Translator.call('Cancel'),
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style: TextStyle(color: MyTheme.accent))))
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],
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),
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maskType: EasyLoadingMaskType.black);
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}
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void dismissLoading() {
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EasyLoading.dismiss();
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}
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bool _hasDialog = false;
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typedef BuildAlertDailog = Tuple3<Widget, Widget, List<Widget>> Function(
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void Function(void Function()));
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Future<T> showAlertDialog<T>(BuildContext context, BuildAlertDailog build,
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[WillPopCallback onWillPop,
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bool barrierDismissible = false,
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double contentPadding = 20]) async {
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dismissLoading();
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if (_hasDialog) {
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Navigator.pop(context);
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}
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_hasDialog = true;
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var dialog = StatefulBuilder(builder: (context, setState) {
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var widgets = build(setState);
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if (onWillPop == null) onWillPop = () async => false;
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return WillPopScope(
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onWillPop: onWillPop,
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child: AlertDialog(
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title: widgets.item1,
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contentPadding: EdgeInsets.all(contentPadding),
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content: widgets.item2,
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actions: widgets.item3,
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));
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});
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var res = await showDialog<T>(
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context: context,
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barrierDismissible: barrierDismissible,
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builder: (context) => dialog);
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_hasDialog = false;
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return res;
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}
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void msgbox(String type, String title, String text, BuildContext context,
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[bool hasCancel]) {
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var wrap = (String text, void Function() onPressed) => ButtonTheme(
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padding: EdgeInsets.symmetric(horizontal: 20, vertical: 10),
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materialTapTargetSize: MaterialTapTargetSize
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.shrinkWrap, //limits the touch area to the button area
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minWidth: 0, //wraps child's width
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height: 0,
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child: TextButton(
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style: flatButtonStyle,
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onPressed: onPressed,
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child: Text(Translator.call(text),
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style: TextStyle(color: MyTheme.accent))));
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dismissLoading();
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if (_hasDialog) {
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Navigator.pop(context);
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}
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final buttons = [
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Expanded(child: Container()),
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wrap(Translator.call('OK'), () {
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dismissLoading();
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Navigator.pop(context);
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})
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];
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if (hasCancel == null) {
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hasCancel = type != 'error';
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}
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if (hasCancel) {
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buttons.insert(
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1,
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wrap(Translator.call('Cancel'), () {
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dismissLoading();
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}));
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}
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EasyLoading.showWidget(
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(Translator.call(title), style: TextStyle(fontSize: 21)),
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SizedBox(height: 20),
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Text(Translator.call(text), style: TextStyle(fontSize: 15)),
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SizedBox(height: 20),
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Row(
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children: buttons,
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)
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],
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),
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maskType: EasyLoadingMaskType.black);
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}
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class PasswordWidget extends StatefulWidget {
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PasswordWidget({Key key, this.controller}) : super(key: key);
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final TextEditingController controller;
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@override
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_PasswordWidgetState createState() => _PasswordWidgetState();
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}
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class _PasswordWidgetState extends State<PasswordWidget> {
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bool _passwordVisible = false;
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@override
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Widget build(BuildContext context) {
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return TextField(
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autofocus: true,
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controller: widget.controller,
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obscureText: !_passwordVisible, //This will obscure text dynamically
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keyboardType: TextInputType.visiblePassword,
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decoration: InputDecoration(
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labelText: Translator.call('Password'),
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hintText: Translator.call('Enter your password'),
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// Here is key idea
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suffixIcon: IconButton(
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icon: Icon(
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// Based on passwordVisible state choose the icon
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_passwordVisible ? Icons.visibility : Icons.visibility_off,
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color: Theme.of(context).primaryColorDark,
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),
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onPressed: () {
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// Update the state i.e. toogle the state of passwordVisible variable
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setState(() {
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_passwordVisible = !_passwordVisible;
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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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Color str2color(String str, [alpha = 0xFF]) {
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var hash = 160 << 16 + 114 << 8 + 91;
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for (var i = 0; i < str.length; i += 1) {
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hash = str.codeUnitAt(i) + ((hash << 5) - hash);
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}
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hash = hash % 16777216;
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return Color((hash & 0xFF7FFF) | (alpha << 24));
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}
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