feat:基础功能实现

feat: 重构 TodoList 架构，新增动态 API 与 MAUI 内嵌 Web 服务 feat:优化交互逻辑,优化发布流程
2026-04-05 00:53:18 +08:00
parent ed3d90cd7a
commit ceb77e624e
147 changed files with 24036 additions and 206 deletions
@@ -0,0 +1,129 @@
+using System.Runtime.InteropServices;
+
+namespace TodoList.Maui.Platforms.Windows
+{
+    public class WindowsKeyboardHandler : IDisposable
+    {
+        private KeyboardHook _keyboardHook;
+        private bool _isDisposed;
+
+        public event EventHandler? EscKeyPressed;
+
+        public WindowsKeyboardHandler()
+        {
+            _keyboardHook = new KeyboardHook();
+            _keyboardHook.KeyPressed += OnKeyPressed;
+        }
+
+        public void Start()
+        {
+            _keyboardHook.Hook();
+        }
+
+        private void OnKeyPressed(object? sender, KeyPressedEventArgs e)
+        {
+            if (e.Key == 0x1B && !e.IsKeyDown)
+            {
+                EscKeyPressed?.Invoke(this, EventArgs.Empty);
+            }
+        }
+
+        public void Dispose()
+        {
+            if (!_isDisposed)
+            {
+                _keyboardHook.Unhook();
+                _keyboardHook.KeyPressed -= OnKeyPressed;
+                _isDisposed = true;
+            }
+        }
+    }
+
+    internal class KeyboardHook : IDisposable
+    {
+        private const int WH_KEYBOARD_LL = 13;
+        private const int WM_KEYDOWN = 0x0100;
+        private const int WM_KEYUP = 0x0101;
+        private const int WM_SYSKEYDOWN = 0x0104;
+        private const int WM_SYSKEYUP = 0x0105;
+
+        private IntPtr _hookID = IntPtr.Zero;
+        private LowLevelKeyboardProc _proc;
+        private bool _isDisposed;
+
+        public event EventHandler<KeyPressedEventArgs>? KeyPressed;
+
+        public KeyboardHook()
+        {
+            _proc = HookCallback;
+        }
+
+        public void Hook()
+        {
+            _hookID = SetWindowsHookEx(WH_KEYBOARD_LL, _proc, GetModuleHandle("user32"), 0);
+        }
+
+        public void Unhook()
+        {
+            if (_hookID != IntPtr.Zero)
+            {
+                UnhookWindowsHookEx(_hookID);
+                _hookID = IntPtr.Zero;
+            }
+        }
+
+        private IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
+        {
+            if (nCode >= 0)
+            {
+                int vkCode = Marshal.ReadInt32(lParam);
+                bool isKeyDown = wParam == (IntPtr)WM_KEYDOWN || wParam == (IntPtr)WM_SYSKEYDOWN;
+                bool isKeyUp = wParam == (IntPtr)WM_KEYUP || wParam == (IntPtr)WM_SYSKEYUP;
+
+                if (isKeyDown || isKeyUp)
+                {
+                    var args = new KeyPressedEventArgs(vkCode, isKeyDown);
+                    KeyPressed?.Invoke(this, args);
+                }
+            }
+
+            return CallNextHookEx(_hookID, nCode, wParam, lParam);
+        }
+
+        public void Dispose()
+        {
+            if (!_isDisposed)
+            {
+                Unhook();
+                _isDisposed = true;
+            }
+        }
+
+        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
+        private static extern IntPtr SetWindowsHookEx(int idHook, LowLevelKeyboardProc lpfn, IntPtr hMod, uint dwThreadId);
+
+        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        private static extern bool UnhookWindowsHookEx(IntPtr hhk);
+
+        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
+        private static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);
+
+        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
+        private static extern IntPtr GetModuleHandle(string lpModuleName);
+    }
+
+    internal delegate IntPtr LowLevelKeyboardProc(int nCode, IntPtr wParam, IntPtr lParam);
+
+    internal class KeyPressedEventArgs : EventArgs
+    {
+        public int Key { get; }
+        public bool IsKeyDown { get; }
+
+        public KeyPressedEventArgs(int key, bool isKeyDown)
+        {
+            Key = key;
+            IsKeyDown = isKeyDown;
+        }
+    }
+}