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Merge pull request #3405 from hvvvvvvv/master
优化全局热键相关代码和机制
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -16,3 +16,4 @@ | |
| /v2rayN/v2rayUpgrade/bin/Release | ||
| /v2rayN/v2rayUpgrade/obj/ | ||
| *.user | ||
| /.vs/v2rayN | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| using System.ComponentModel; | ||
| using System.Runtime.InteropServices; | ||
| using System.Text; | ||
| using System.Windows; | ||
| using System.Windows.Input; | ||
| using System.Windows.Interop; | ||
| using v2rayN.Mode; | ||
| using v2rayN.Resx; | ||
|
|
||
| namespace v2rayN.Handler | ||
| { | ||
| public sealed class HotkeyHandler | ||
| { | ||
| private static readonly Lazy<HotkeyHandler> _instance = new(() => new()); | ||
| public static HotkeyHandler Instance = _instance.Value; | ||
|
|
||
| private const int WmHotkey = 0x0312; | ||
| private Config _config | ||
| { | ||
| get => LazyConfig.Instance.GetConfig(); | ||
| } | ||
| private Dictionary<int, List<EGlobalHotkey>> _hotkeyTriggerDic; | ||
|
|
||
| public bool IsPause { get; set; } = false; | ||
| public event Action<bool, string>? UpdateViewEvent; | ||
| public event Action<EGlobalHotkey>? HotkeyTriggerEvent; | ||
| public HotkeyHandler() | ||
| { | ||
| _hotkeyTriggerDic = new(); | ||
| ComponentDispatcher.ThreadPreprocessMessage += OnThreadPreProcessMessage; | ||
| Init(); | ||
| } | ||
|
|
||
| private void Init() | ||
| { | ||
| _hotkeyTriggerDic.Clear(); | ||
| if (_config.globalHotkeys == null) return; | ||
| foreach(var item in _config.globalHotkeys) | ||
| { | ||
| if (item.KeyCode != null && item.KeyCode != Key.None) | ||
| { | ||
| int key = KeyInterop.VirtualKeyFromKey((Key)item.KeyCode); | ||
| KeyModifiers modifiers = KeyModifiers.None; | ||
| if (item.Control) modifiers |= KeyModifiers.Ctrl; | ||
| if (item.Shift) modifiers |= KeyModifiers.Shift; | ||
| if (item.Alt) modifiers |= KeyModifiers.Alt; | ||
| key = (key << 16) | (int)modifiers; | ||
| if (!_hotkeyTriggerDic.ContainsKey(key)) | ||
| { | ||
| _hotkeyTriggerDic.Add(key, new() { item.eGlobalHotkey }); | ||
| } | ||
| else | ||
| { | ||
| if (!_hotkeyTriggerDic[key].Contains(item.eGlobalHotkey)) | ||
| _hotkeyTriggerDic[key].Add(item.eGlobalHotkey); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| public void Load() | ||
| { | ||
| foreach(var _hotkeyCode in _hotkeyTriggerDic.Keys) | ||
| { | ||
| var hotkeyInfo = GetHotkeyInfo(_hotkeyCode); | ||
| bool isSuccess = false; | ||
| string msg; | ||
|
|
||
| Application.Current.Dispatcher.Invoke(() => | ||
| { | ||
| isSuccess = RegisterHotKey(IntPtr.Zero, _hotkeyCode, hotkeyInfo.fsModifiers, hotkeyInfo.vKey); | ||
| }); | ||
| foreach (var name in hotkeyInfo.Names) | ||
| { | ||
| if (isSuccess) | ||
| { | ||
| msg = string.Format(ResUI.RegisterGlobalHotkeySuccessfully, $"{name}({hotkeyInfo.hotkeyStr})"); | ||
| } | ||
| else | ||
| { | ||
| var errInfo = new Win32Exception(Marshal.GetLastWin32Error()).Message; | ||
| msg = string.Format(ResUI.RegisterGlobalHotkeyFailed, $"{name}({hotkeyInfo.hotkeyStr})", errInfo); | ||
| } | ||
| UpdateViewEvent?.Invoke(false, msg); | ||
| } | ||
|
|
||
| } | ||
| } | ||
|
|
||
| public void ReLoad() | ||
| { | ||
| foreach(var hotkey in _hotkeyTriggerDic.Keys) | ||
| { | ||
| Application.Current.Dispatcher.Invoke(() => | ||
| { | ||
| UnregisterHotKey(IntPtr.Zero, hotkey); | ||
| }); | ||
| } | ||
| Init(); | ||
| Load(); | ||
| } | ||
| private (int fsModifiers, int vKey, string hotkeyStr, List<string> Names) GetHotkeyInfo(int hotkeycode) | ||
| { | ||
| var _fsModifiers = hotkeycode & 0xffff; | ||
| var _vkey = (hotkeycode >> 16) & 0xffff; | ||
| var _hotkeyStr = new StringBuilder(); | ||
| var _names = new List<string>(); | ||
|
|
||
| var mdif = (KeyModifiers)_fsModifiers; | ||
| var key = KeyInterop.KeyFromVirtualKey(_vkey); | ||
| if ((mdif | KeyModifiers.Ctrl) == KeyModifiers.Ctrl) _hotkeyStr.Append($"{KeyModifiers.Ctrl}+"); | ||
| if ((mdif | KeyModifiers.Alt) == KeyModifiers.Alt) _hotkeyStr.Append($"{KeyModifiers.Alt}+"); | ||
| if ((mdif | KeyModifiers.Shift) == KeyModifiers.Shift) _hotkeyStr.Append($"{KeyModifiers.Shift}+"); | ||
| _hotkeyStr.Append(key.ToString()); | ||
|
|
||
| foreach (var name in _hotkeyTriggerDic[hotkeycode]) | ||
| { | ||
| _names.Add(name.ToString()); | ||
| } | ||
|
|
||
|
|
||
| return (_fsModifiers, _vkey, _hotkeyStr.ToString(), _names); | ||
| } | ||
| private void OnThreadPreProcessMessage(ref MSG msg, ref bool handled) | ||
| { | ||
| if (msg.message != WmHotkey|| !_hotkeyTriggerDic.ContainsKey((int)msg.lParam)) | ||
| { | ||
| return; | ||
| } | ||
| handled = true; | ||
| var _hotKeyCode = (int)msg.lParam; | ||
| if (IsPause) | ||
| { | ||
| Application.Current.Dispatcher.Invoke(() => | ||
| { | ||
| UIElement? element = Keyboard.FocusedElement as UIElement; | ||
| if (element != null) | ||
| { | ||
| var _keyEventArgs = new KeyEventArgs(Keyboard.PrimaryDevice, | ||
| PresentationSource.FromVisual(element), 0, | ||
| KeyInterop.KeyFromVirtualKey(GetHotkeyInfo(_hotKeyCode).vKey)) | ||
| { | ||
| RoutedEvent = UIElement.KeyDownEvent | ||
| }; | ||
| element.RaiseEvent(_keyEventArgs); | ||
| } | ||
| }); | ||
| } | ||
| else | ||
| { | ||
| foreach (var keyEvent in _hotkeyTriggerDic[(int)msg.lParam]) | ||
| { | ||
| HotkeyTriggerEvent?.Invoke(keyEvent); | ||
| } | ||
| } | ||
| } | ||
| [DllImport("user32.dll", SetLastError = true)] | ||
| private static extern bool RegisterHotKey(IntPtr hWnd, int id, int fsModifiers, int vlc); | ||
|
|
||
| [DllImport("user32.dll", SetLastError = true)] | ||
| private static extern bool UnregisterHotKey(IntPtr hWnd, int id); | ||
| [Flags] | ||
| private enum KeyModifiers | ||
| { | ||
| None = 0x0000, | ||
| Alt = 0x0001, | ||
| Ctrl = 0x0002, | ||
| Shift = 0x0004, | ||
| Win = 0x0008, | ||
| NoRepeat = 0x4000 | ||
| } | ||
| } | ||
| } |
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