Improved global hotkey setting

v2rayN/ServiceLib/Handler/ConfigHandler.cs

@@ -158,6 +158,7 @@ namespace ServiceLib.Handler
                 Length = "100-200",
                 Interval = "10-20"
             };
+            config.GlobalHotkeys ??= new();
 
             if (config.SystemProxyItem.SystemProxyExceptions.IsNullOrEmpty())
             {

v2rayN/ServiceLib/ViewModels/GlobalHotkeySettingViewModel.cs

@@ -0,0 +1,67 @@
+using System.Reactive;
+using System.Text;
+using ReactiveUI;
+using ReactiveUI.Fody.Helpers;
+
+namespace ServiceLib.ViewModels
+{
+    public class GlobalHotkeySettingViewModel : MyReactiveObject
+    {
+        private readonly List<KeyEventItem> _globalHotkeys;
+
+        public ReactiveCommand<Unit, Unit> SaveCmd { get; }
+
+        public GlobalHotkeySettingViewModel(Func<EViewAction, object?, Task<bool>>? updateView)
+        {
+            _config = AppHandler.Instance.Config;
+            _updateView = updateView;
+
+            _globalHotkeys = JsonUtils.DeepCopy(_config.GlobalHotkeys);
+
+            SaveCmd = ReactiveCommand.CreateFromTask(async () =>
+            {
+                await SaveSettingAsync();
+            });
+        }
+
+        public KeyEventItem GetKeyEventItem(EGlobalHotkey eg)
+        {
+            var item = _globalHotkeys.FirstOrDefault((it) => it.EGlobalHotkey == eg);
+            if (item != null)
+            {
+                return item;
+            }
+
+            item = new()
+            {
+                EGlobalHotkey = eg,
+                Control = false,
+                Alt = false,
+                Shift = false,
+                KeyCode = null
+            };
+            _globalHotkeys.Add(item);
+
+            return item;
+        }
+
+        public void ResetKeyEventItem()
+        {
+            _globalHotkeys.Clear();
+        }
+
+        private async Task SaveSettingAsync()
+        {
+            _config.GlobalHotkeys = _globalHotkeys;
+
+            if (await ConfigHandler.SaveConfig(_config) == 0)
+            {
+                _updateView?.Invoke(EViewAction.CloseWindow, null);
+            }
+            else
+            {
+                NoticeHandler.Instance.Enqueue(ResUI.OperationFailed);
+            }
+        }
+    }
+}

v2rayN/v2rayN/Handler/HotkeyHandler.cs

@@ -29,10 +29,6 @@ namespace v2rayN.Handler
         private void Init()
         {
             _hotkeyTriggerDic.Clear();
-            if (AppHandler.Instance.Config.GlobalHotkeys == null)
-            {
-                return;
-            }
             foreach (var item in AppHandler.Instance.Config.GlobalHotkeys)
             {
                 if (item.KeyCode != null && (Key)item.KeyCode != Key.None)

v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml

@@ -8,10 +8,10 @@
     xmlns:reactiveui="http://reactiveui.net"
     xmlns:resx="clr-namespace:ServiceLib.Resx;assembly=ServiceLib"
     xmlns:vms="clr-namespace:ServiceLib.ViewModels;assembly=ServiceLib"
-    Title="{x:Static resx:ResUI.menuSetting}"
+    Title="{x:Static resx:ResUI.menuGlobalHotkeySetting}"
     Width="700"
     Height="500"
-    x:TypeArguments="vms:SubEditViewModel"
+    x:TypeArguments="vms:GlobalHotkeySettingViewModel"
     ShowInTaskbar="False"
     Style="{StaticResource WindowGlobal}"
     WindowStartupLocation="CenterScreen"
@@ -91,7 +91,6 @@
                         VerticalAlignment="Center"
                         AcceptsReturn="True"
                         IsReadOnly="True"
-                        PreviewKeyDown="TxtGlobalHotkey_PreviewKeyDown"
                         Style="{StaticResource MyOutlinedTextBox}" />
 
                     <TextBlock
@@ -109,7 +108,6 @@
                         VerticalAlignment="Center"
                         AcceptsReturn="True"
                         IsReadOnly="True"
-                        PreviewKeyDown="TxtGlobalHotkey_PreviewKeyDown"
                         Style="{StaticResource MyOutlinedTextBox}" />
 
                     <TextBlock
@@ -127,7 +125,6 @@
                         VerticalAlignment="Center"
                         AcceptsReturn="True"
                         IsReadOnly="True"
-                        PreviewKeyDown="TxtGlobalHotkey_PreviewKeyDown"
                         Style="{StaticResource MyOutlinedTextBox}" />
                     <TextBlock
                         Grid.Row="4"
@@ -144,7 +141,6 @@
                         VerticalAlignment="Center"
                         AcceptsReturn="True"
                         IsReadOnly="True"
-                        PreviewKeyDown="TxtGlobalHotkey_PreviewKeyDown"
                         Style="{StaticResource MyOutlinedTextBox}" />
                     <TextBlock
                         Grid.Row="5"
@@ -161,7 +157,6 @@
                         VerticalAlignment="Center"
                         AcceptsReturn="True"
                         IsReadOnly="True"
-                        PreviewKeyDown="TxtGlobalHotkey_PreviewKeyDown"
                         Style="{StaticResource MyOutlinedTextBox}" />
                 </Grid>
 

v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs

@@ -1,62 +1,80 @@
+using System.Reactive.Disposables;
 using System.Text;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Input;
+using ReactiveUI;
 using v2rayN.Handler;
 
 namespace v2rayN.Views
 {
     public partial class GlobalHotkeySettingWindow
     {
-        private static Config? _config;
-        private Dictionary<object, KeyEventItem> _textBoxKeyEventItem = new();
+        private readonly List<object> _textBoxKeyEventItem = new();
 
         public GlobalHotkeySettingWindow()
         {
             InitializeComponent();
 
             this.Owner = Application.Current.MainWindow;
-            _config = AppHandler.Instance.Config;
-            _config.GlobalHotkeys ??= new();
+
+            ViewModel = new GlobalHotkeySettingViewModel(UpdateViewHandler);
 
             btnReset.Click += btnReset_Click;
-            btnSave.Click += btnSave_ClickAsync;
-
-            txtGlobalHotkey0.KeyDown += TxtGlobalHotkey_PreviewKeyDown;
-            txtGlobalHotkey1.KeyDown += TxtGlobalHotkey_PreviewKeyDown;
-            txtGlobalHotkey2.KeyDown += TxtGlobalHotkey_PreviewKeyDown;
-            txtGlobalHotkey3.KeyDown += TxtGlobalHotkey_PreviewKeyDown;
-            txtGlobalHotkey4.KeyDown += TxtGlobalHotkey_PreviewKeyDown;
 
             HotkeyHandler.Instance.IsPause = true;
             this.Closing += (s, e) => HotkeyHandler.Instance.IsPause = false;
-            WindowsUtils.SetDarkBorder(this, _config.UiItem.CurrentTheme);
-            InitData();
+
+            this.WhenActivated(disposables =>
+            {
+                this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
+            });
+            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.CurrentTheme);
+
+            Init();
+            BindingData();
         }
 
-        private void InitData()
+        private async Task<bool> UpdateViewHandler(EViewAction action, object? obj)
         {
-            _textBoxKeyEventItem = new()
+            switch (action)
             {
-                { txtGlobalHotkey0,GetKeyEventItemByEGlobalHotkey(_config.GlobalHotkeys,EGlobalHotkey.ShowForm) },
-                { txtGlobalHotkey1,GetKeyEventItemByEGlobalHotkey(_config.GlobalHotkeys,EGlobalHotkey.SystemProxyClear) },
-                { txtGlobalHotkey2,GetKeyEventItemByEGlobalHotkey(_config.GlobalHotkeys,EGlobalHotkey.SystemProxySet) },
-                { txtGlobalHotkey3,GetKeyEventItemByEGlobalHotkey(_config.GlobalHotkeys,EGlobalHotkey.SystemProxyUnchanged)},
-                { txtGlobalHotkey4,GetKeyEventItemByEGlobalHotkey(_config.GlobalHotkeys,EGlobalHotkey.SystemProxyPac)}
-            };
+                case EViewAction.CloseWindow:
+                    this.DialogResult = true;
+                    break;
+            }
+            return await Task.FromResult(true);
+        }
 
-            BindingData();
+        private void Init()
+        {
+            _textBoxKeyEventItem.Add(txtGlobalHotkey0);
+            _textBoxKeyEventItem.Add(txtGlobalHotkey1);
+            _textBoxKeyEventItem.Add(txtGlobalHotkey2);
+            _textBoxKeyEventItem.Add(txtGlobalHotkey3);
+            _textBoxKeyEventItem.Add(txtGlobalHotkey4);
+
+            for (var index = 0; index < _textBoxKeyEventItem.Count; index++)
+            {
+                var sender = _textBoxKeyEventItem[index];
+                if (sender is not TextBox txtBox)
+                {
+                    continue;
+                }
+                txtBox.Tag = (EGlobalHotkey)index;
+                txtBox.PreviewKeyDown += TxtGlobalHotkey_PreviewKeyDown;
+            }
         }
 
         private void TxtGlobalHotkey_PreviewKeyDown(object? sender, KeyEventArgs e)
         {
             e.Handled = true;
-            if (sender is null)
+            if (sender is not TextBox txtBox)
             {
                 return;
             }
 
-            var item = _textBoxKeyEventItem[sender];
+            var item = ViewModel?.GetKeyEventItem((EGlobalHotkey)txtBox.Tag);
             var modifierKeys = new Key[] { Key.LeftCtrl, Key.RightCtrl, Key.LeftShift, Key.RightShift, Key.LeftAlt, Key.RightAlt, Key.LWin, Key.RWin };
 
             item.KeyCode = (int)(e.Key == Key.System ? (modifierKeys.Contains(e.SystemKey) ? Key.None : e.SystemKey) : (modifierKeys.Contains(e.Key) ? Key.None : e.Key));
@@ -64,38 +82,50 @@ namespace v2rayN.Views
             item.Control = (Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control;
             item.Shift = (Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.Shift;
 
-            (sender as TextBox)!.Text = KeyEventItemToString(item);
+            txtBox.Text = KeyEventItemToString(item);
         }
 
-        private KeyEventItem GetKeyEventItemByEGlobalHotkey(List<KeyEventItem> lstKey, EGlobalHotkey eg)
+        private void BindingData()
         {
-            return JsonUtils.DeepCopy(lstKey.Find((it) => it.EGlobalHotkey == eg) ?? new()
+            foreach (var sender in _textBoxKeyEventItem)
             {
-                EGlobalHotkey = eg,
-                Control = false,
-                Alt = false,
-                Shift = false,
-                KeyCode = null
-            });
+                if (sender is not TextBox txtBox)
+                {
+                    continue;
+                }
+
+                var item = ViewModel?.GetKeyEventItem((EGlobalHotkey)txtBox.Tag);
+                txtBox.Text = KeyEventItemToString(item);
+            }
         }
 
-        private string KeyEventItemToString(KeyEventItem item)
+        private void btnReset_Click(object sender, RoutedEventArgs e)
         {
+            ViewModel?.ResetKeyEventItem();
+            BindingData();
+        }
+
+        private string KeyEventItemToString(KeyEventItem? item)
+        {
+            if (item == null)
+            {
+                return string.Empty;
+            }
             var res = new StringBuilder();
 
             if (item.Control)
             {
-                res.Append($"{ModifierKeys.Control}+");
+                res.Append($"{ModifierKeys.Control} +");
             }
 
             if (item.Shift)
             {
-                res.Append($"{ModifierKeys.Shift}+");
+                res.Append($"{ModifierKeys.Shift} +");
             }
 
             if (item.Alt)
             {
-                res.Append($"{ModifierKeys.Alt}+");
+                res.Append($"{ModifierKeys.Alt} +");
             }
 
             if (item.KeyCode != null && (Key)item.KeyCode != Key.None)
@@ -105,49 +135,5 @@ namespace v2rayN.Views
 
             return res.ToString();
         }
-
-        private void BindingData()
-        {
-            foreach (var item in _textBoxKeyEventItem)
-            {
-                if (item.Value.KeyCode != null && (Key)item.Value.KeyCode != Key.None)
-                {
-                    (item.Key as TextBox)!.Text = KeyEventItemToString(item.Value);
-                }
-                else
-                {
-                    (item.Key as TextBox)!.Text = string.Empty;
-                }
-            }
-        }
-
-        private async void btnSave_ClickAsync(object sender, RoutedEventArgs e)
-        {
-            _config.GlobalHotkeys = _textBoxKeyEventItem.Values.ToList();
-
-            if (await ConfigHandler.SaveConfig(_config) == 0)
-            {
-                HotkeyHandler.Instance.ReLoad();
-                this.DialogResult = true;
-            }
-            else
-            {
-                UI.Show(ResUI.OperationFailed);
-            }
-        }
-
-        private void btnReset_Click(object sender, RoutedEventArgs e)
-        {
-            foreach (var k in _textBoxKeyEventItem.Keys)
-            {
-                var item = _textBoxKeyEventItem[k];
-
-                item.Alt = false;
-                item.Control = false;
-                item.Shift = false;
-                item.KeyCode = (int)Key.None;
-            }
-            BindingData();
-        }
     }
 }