Add HotKeyListener

Toolkit.Foundation/Cache.cs

@@ -22,48 +22,27 @@ public class Cache<TValue>(IComparer<TValue> comparer) :
     public void Clear() =>
         items.Clear();
 
-    public bool Contains(TValue item)
-    {
-        int index = items.IndexOf(item);
-        if (index >= 0)
-        {
-            return true;
-        }
-
-        return false;
-    }
+    public bool Contains(TValue item) =>
+        items.IndexOf(item) >= 0;
 
     public IEnumerator<TValue> GetEnumerator() =>
         items.GetEnumerator();
 
-    IEnumerator IEnumerable.GetEnumerator() => items.GetEnumerator();
+    IEnumerator IEnumerable.GetEnumerator() =>
+        items.GetEnumerator();
 
     public int IndexOf(TValue item) =>
         items.IndexOf(item);
 
-    public bool Remove(TValue item)
+    public bool Remove(TValue item) =>
+        items.Remove(item);
+
+    public bool TryGetValue(TValue key, 
+        out TValue? item)
     {
-        int index = items.IndexOf(item);
-        if (index >= 0)
-        {
-            items.RemoveAt(index);
-            return true;
-        }
-
-        return false;
-    }
-
-    public bool TryGetValue(TValue key, out TValue? item)
-    {
-        int index = items.IndexOf(key);
-        if (index >= 0)
-        {
-            item = items[index];
-            return true;
-        }
-
-        item = default;
-        return false;
+        var index = items.IndexOf(key);
+        item = index >= 0 ? items[index] : default;
+        return index >= 0;
     }
 
     private int FindInsertIndex(TValue item)
@@ -94,20 +73,20 @@ public class Cache<TValue>(IComparer<TValue> comparer) :
     }
 }
 
-public class Cache<TKey, TValue>(IComparer<TKey> comparer) :
+public class Cache<TKey, TValue>(IComparer<TKey>? comparer = null) : 
     ICache<TKey, TValue>
-    where TKey :
-    notnull
-    where TValue :
-    notnull
+    where TKey : notnull
+    where TValue : notnull
 {
+    private readonly IComparer<TKey> comparer = comparer ?? Comparer<TKey>.Default;
     private readonly List<KeyValuePair<TKey, TValue?>> items = [];
 
     public TValue? this[TKey key]
     {
         get
         {
-            int index = items.BinarySearch(new KeyValuePair<TKey, TValue?>(key, default),
+            int index = items.BinarySearch(
+                new KeyValuePair<TKey, TValue?>(key, default),
                 new KeyValuePairComparer<TKey, TValue?>(comparer));
 
             if (index >= 0)
@@ -119,7 +98,8 @@ public class Cache<TKey, TValue>(IComparer<TKey> comparer) :
         }
         set
         {
-            int index = items.BinarySearch(new KeyValuePair<TKey, TValue?>(key, default),
+            int index = items.BinarySearch(
+                new KeyValuePair<TKey, TValue?>(key, default),
                 new KeyValuePairComparer<TKey, TValue?>(comparer));
 
             if (index >= 0)
@@ -135,7 +115,8 @@ public class Cache<TKey, TValue>(IComparer<TKey> comparer) :
 
     public void Add(TKey key, TValue value)
     {
-        int index = items.BinarySearch(new KeyValuePair<TKey, TValue?>(key, default),
+        int index = items.BinarySearch(
+            new KeyValuePair<TKey, TValue?>(key, default),
             new KeyValuePairComparer<TKey, TValue?>(comparer));
 
         if (index < 0)
@@ -148,53 +129,28 @@ public class Cache<TKey, TValue>(IComparer<TKey> comparer) :
 
     public void Clear() => items.Clear();
 
-    public bool Contains(TKey key)
-    {
-        int index = items.FindIndex(kvp => comparer.Compare(kvp.Key, key) == 0);
-        if (index >= 0)
-        {
-            items.RemoveAt(index);
-            return true;
-        }
-        return false;
-    }
+    public bool Contains(TKey key) =>
+        items.FindIndex(kvp => comparer.Compare(kvp.Key, key) == 0) >= 0;
 
-    public IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator() =>
-            items.GetEnumerator();
+    public IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator() => 
+        items.GetEnumerator();
 
     IEnumerator IEnumerable.GetEnumerator() =>
         GetEnumerator();
 
-    public int IndexOf(TKey key) =>
+    public int IndexOf(TKey key) => 
         items.FindIndex(kvp => comparer.Compare(kvp.Key, key) == 0);
 
-    public bool Remove(TKey key)
-    {
-        int index = items.FindIndex(kvp => comparer.Compare(kvp.Key, key) == 0);
-        if (index >= 0)
-        {
-            items.RemoveAt(index);
-            return true;
-        }
-        return false;
-    }
+    public bool Remove(TKey key) => 
+        items.RemoveAll(kvp => comparer.Compare(kvp.Key, key) == 0) > 0;
 
-    public bool TryGetValue(TKey key, out TValue? value)
-    {
-        int index = items.BinarySearch(new KeyValuePair<TKey, TValue?>(key, default(TValue)),
-            new KeyValuePairComparer<TKey, TValue?>(comparer));
+    public bool TryGetValue(TKey key, out TValue? value) =>
+        (items.BinarySearch(new KeyValuePair<TKey, TValue?>(key, default),
+            new KeyValuePairComparer<TKey, TValue?>(comparer)) is int index && index >= 0)
+        ? (value = items[index].Value, true).Item2
+        : (value = default, false).Item2;
 
-        if (index >= 0)
-        {
-            value = items[index].Value;
-            return true;
-        }
-
-        value = default;
-        return false;
-    }
-
-    private class KeyValuePairComparer<TK, TV>(IComparer<TK> comparer) :
+    private class KeyValuePairComparer<TK, TV>(IComparer<TK> comparer) : 
         IComparer<KeyValuePair<TK, TV>>
     {
         private readonly IComparer<TK> comparer = comparer ?? Comparer<TK>.Default;

Toolkit.Foundation/DefaultHostBuilder.cs

@@ -1,7 +1,6 @@
 using CommunityToolkit.Mvvm.Messaging;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
-using System;
 
 namespace Toolkit.Foundation;
 

Toolkit.Foundation/ModifierKey.cs

@@ -0,0 +1,9 @@
+namespace Toolkit.Foundation;
+
+public enum ModifierKey : uint
+{
+    Alt = 0x00000001,
+    Ctrl = 0x00000002,
+    Shift = 0x00000004,
+    Win = 0x00000008,
+}

Toolkit.Foundation/VirtualKey.cs

@@ -1,175 +1,181 @@
 namespace Toolkit.Foundation;
 
-public enum VirtualKey
+public enum VirtualKey : uint
 {
-    None = 0,
-    LeftButton = 1,
-    RightButton = 2,
-    Cancel = 3,
-    MiddleButton = 4,
-    XButton1 = 5,
-    XButton2 = 6,
-    Back = 8,
-    Tab = 9,
-    Clear = 12,
-    Enter = 13,
-    Shift = 16,
-    Control = 17,
-    Menu = 18,
-    Pause = 19,
-    CapitalLock = 20,
-    Kana = 21,
-    Hangul = 21,
-    Junja = 23,
-    Final = 24,
-    Hanja = 25,
-    Kanji = 25,
-    Escape = 27,
-    Convert = 28,
-    NonConvert = 29,
-    Accept = 30,
-    ModeChange = 31,
-    Space = 32,
-    PageUp = 33,
-    PageDown = 34,
-    End = 35,
-    Home = 36,
-    Left = 37,
-    Up = 38,
-    Right = 39,
-    Down = 40,
-    Select = 41,
-    Print = 42,
-    Execute = 43,
-    Snapshot = 44,
-    Insert = 45,
-    Delete = 46,
-    Help = 47,
-    Number0 = 48,
-    Number1 = 49,
-    Number2 = 50,
-    Number3 = 51,
-    Number4 = 52,
-    Number5 = 53,
-    Number6 = 54,
-    Number7 = 55,
-    Number8 = 56,
-    Number9 = 57,
-    A = 65,
-    B = 66,
-    C = 67,
-    D = 68,
-    E = 69,
-    F = 70,
-    G = 71,
-    H = 72,
-    I = 73,
-    J = 74,
-    K = 75,
-    L = 76,
-    M = 77,
-    N = 78,
-    O = 79,
-    P = 80,
-    Q = 81,
-    R = 82,
-    S = 83,
-    T = 84,
-    U = 85,
-    V = 86,
-    W = 87,
-    X = 88,
-    Y = 89,
-    Z = 90,
-    LeftWindows = 91,
-    RightWindows = 92,
-    Application = 93,
-    Sleep = 95,
-    NumberPad0 = 96,
-    NumberPad1 = 97,
-    NumberPad2 = 98,
-    NumberPad3 = 99,
-    NumberPad4 = 100,
-    NumberPad5 = 101,
-    NumberPad6 = 102,
-    NumberPad7 = 103,
-    NumberPad8 = 104,
-    NumberPad9 = 105,
-    Multiply = 106,
-    Add = 107,
-    Separator = 108,
-    Subtract = 109,
-    Decimal = 110,
-    Divide = 111,
-    F1 = 112,
-    F2 = 113,
-    F3 = 114,
-    F4 = 115,
-    F5 = 116,
-    F6 = 117,
-    F7 = 118,
-    F8 = 119,
-    F9 = 120,
-    F10 = 121,
-    F11 = 122,
-    F12 = 123,
-    F13 = 124,
-    F14 = 125,
-    F15 = 126,
-    F16 = 127,
-    F17 = 128,
-    F18 = 129,
-    F19 = 130,
-    F20 = 131,
-    F21 = 132,
-    F22 = 133,
-    F23 = 134,
-    F24 = 135,
-    NavigationView = 136,
-    NavigationMenu = 137,
-    NavigationUp = 138,
-    NavigationDown = 139,
-    NavigationLeft = 140,
-    NavigationRight = 141,
-    NavigationAccept = 142,
-    NavigationCancel = 143,
-    NumberKeyLock = 144,
-    Scroll = 145,
-    LeftShift = 160,
-    RightShift = 161,
-    LeftControl = 162,
-    RightControl = 163,
-    LeftMenu = 164,
-    RightMenu = 165,
-    GoBack = 166,
-    GoForward = 167,
-    Refresh = 168,
-    Stop = 169,
-    Search = 170,
-    Favorites = 171,
-    GoHome = 172,
-    GamepadA = 195,
-    GamepadB = 196,
-    GamepadX = 197,
-    GamepadY = 198,
-    GamepadRightShoulder = 199,
-    GamepadLeftShoulder = 200,
-    GamepadLeftTrigger = 201,
-    GamepadRightTrigger = 202,
-    GamepadDPadUp = 203,
-    GamepadDPadDown = 204,
-    GamepadDPadLeft = 205,
-    GamepadDPadRight = 206,
-    GamepadMenu = 207,
-    GamepadView = 208,
-    GamepadLeftThumbstickButton = 209,
-    GamepadRightThumbstickButton = 210,
-    GamepadLeftThumbstickUp = 211,
-    GamepadLeftThumbstickDown = 212,
-    GamepadLeftThumbstickRight = 213,
-    GamepadLeftThumbstickLeft = 214,
-    GamepadRightThumbstickUp = 215,
-    GamepadRightThumbstickDown = 216,
-    GamepadRightThumbstickRight = 217,
-    GamepadRightThumbstickLeft = 218
+    None = 0x0000,
+
+    Back = 0x0008,
+    Tab = 0x0009,
+    Clear = 0x000C,
+    Enter = 0x000D,
+    Shift = 0x0010,
+    Control = 0x0011,
+    Menu = 0x0012,
+    Pause = 0x0013,
+    CapitalLock = 0x0014,
+    Kana = 0x0015,
+    Hangul = 0x0015,
+    Junja = 0x0017,
+    Final = 0x0018,
+    Hanja = 0x0019,
+    Kanji = 0x0019,
+    Escape = 0x001B,
+    Convert = 0x001C,
+    NonConvert = 0x001D,
+    Accept = 0x001E,
+    ModeChange = 0x001F,
+    Space = 0x0020,
+    PageUp = 0x0021,
+    PageDown = 0x0022,
+    End = 0x0023,
+    Home = 0x0024,
+    Left = 0x0025,
+    Up = 0x0026,
+    Right = 0x0027,
+    Down = 0x0028,
+    Select = 0x0029,
+    Print = 0x002A,
+    Execute = 0x002B,
+    Snapshot = 0x002C,
+    Insert = 0x002D,
+    Delete = 0x002E,
+    Help = 0x002F,
+
+    Number0 = 0x0030,
+    Number1 = 0x0031,
+    Number2 = 0x0032,
+    Number3 = 0x0033,
+    Number4 = 0x0034,
+    Number5 = 0x0035,
+    Number6 = 0x0036,
+    Number7 = 0x0037,
+    Number8 = 0x0038,
+    Number9 = 0x0039,
+
+    A = 0x0041,
+    B = 0x0042,
+    C = 0x0043,
+    D = 0x0044,
+    E = 0x0045,
+    F = 0x0046,
+    G = 0x0047,
+    H = 0x0048,
+    I = 0x0049,
+    J = 0x004A,
+    K = 0x004B,
+    L = 0x004C,
+    M = 0x004D,
+    N = 0x004E,
+    O = 0x004F,
+    P = 0x0050,
+    Q = 0x0051,
+    R = 0x0052,
+    S = 0x0053,
+    T = 0x0054,
+    U = 0x0055,
+    V = 0x0056,
+    W = 0x0057,
+    X = 0x0058,
+    Y = 0x0059,
+    Z = 0x005A,
+
+    LeftWindows = 0x005B,
+    RightWindows = 0x005C,
+    Application = 0x005D,
+    Sleep = 0x005F,
+
+    NumberPad0 = 0x0060,
+    NumberPad1 = 0x0061,
+    NumberPad2 = 0x0062,
+    NumberPad3 = 0x0063,
+    NumberPad4 = 0x0064,
+    NumberPad5 = 0x0065,
+    NumberPad6 = 0x0066,
+    NumberPad7 = 0x0067,
+    NumberPad8 = 0x0068,
+    NumberPad9 = 0x0069,
+
+    Multiply = 0x006A,
+    Add = 0x006B,
+    Separator = 0x006C,
+    Subtract = 0x006D,
+    Decimal = 0x006E,
+    Divide = 0x006F,
+
+    F1 = 0x0070,
+    F2 = 0x0071,
+    F3 = 0x0072,
+    F4 = 0x0073,
+    F5 = 0x0074,
+    F6 = 0x0075,
+    F7 = 0x0076,
+    F8 = 0x0077,
+    F9 = 0x0078,
+    F10 = 0x0079,
+    F11 = 0x007A,
+    F12 = 0x007B,
+    F13 = 0x007C,
+    F14 = 0x007D,
+    F15 = 0x007E,
+    F16 = 0x007F,
+    F17 = 0x0080,
+    F18 = 0x0081,
+    F19 = 0x0082,
+    F20 = 0x0083,
+    F21 = 0x0084,
+    F22 = 0x0085,
+    F23 = 0x0086,
+    F24 = 0x0087,
+
+    NavigationView = 0x0088,
+    NavigationMenu = 0x0089,
+    NavigationUp = 0x008A,
+    NavigationDown = 0x008B,
+    NavigationLeft = 0x008C,
+    NavigationRight = 0x008D,
+    NavigationAccept = 0x008E,
+    NavigationCancel = 0x008F,
+
+    NumberKeyLock = 0x0090,
+    Scroll = 0x0091,
+
+    LeftShift = 0x00A0,
+    RightShift = 0x00A1,
+    LeftControl = 0x00A2,
+    RightControl = 0x00A3,
+    LeftMenu = 0x00A4,
+    RightMenu = 0x00A5,
+
+    GoBack = 0x00A6,
+    GoForward = 0x00A7,
+    Refresh = 0x00A8,
+    Stop = 0x00A9,
+    Search = 0x00AA,
+    Favorites = 0x00AB,
+    GoHome = 0x00AC,
+
+    GamepadA = 0x00C3,
+    GamepadB = 0x00C4,
+    GamepadX = 0x00C5,
+    GamepadY = 0x00C6,
+    GamepadRightShoulder = 0x00C7,
+    GamepadLeftShoulder = 0x00C8,
+    GamepadLeftTrigger = 0x00C9,
+    GamepadRightTrigger = 0x00CA,
+    GamepadDPadUp = 0x00CB,
+    GamepadDPadDown = 0x00CC,
+    GamepadDPadLeft = 0x00CD,
+    GamepadDPadRight = 0x00CE,
+    GamepadMenu = 0x00CF,
+    GamepadView = 0x00D0,
+    GamepadLeftThumbstickButton = 0x00D1,
+    GamepadRightThumbstickButton = 0x00D2,
+    GamepadLeftThumbstickUp = 0x00D3,
+    GamepadLeftThumbstickDown = 0x00D4,
+    GamepadLeftThumbstickRight = 0x00D5,
+    GamepadLeftThumbstickLeft = 0x00D6,
+    GamepadRightThumbstickUp = 0x00D7,
+    GamepadRightThumbstickDown = 0x00D8,
+    GamepadRightThumbstickRight = 0x00D9,
+    GamepadRightThumbstickLeft = 0x00DA,
 }

Toolkit.UI.WinUI/RectExtensions.cs

@@ -0,0 +1,8 @@
+using Rect = Windows.Foundation.Rect;
+
+namespace Toolkit.UI.WinUI;
+
+public static class RectExtensions
+{
+    public static Rect ToWindowsRect(this Windows.Rect rect) => new(rect.X, rect.Y, rect.Width, rect.Height);
+}

Toolkit.UI.WinUI/WindowExtensions.cs

@@ -8,9 +8,10 @@ using System.Drawing;
 using Windows.Win32.UI.Shell;
 using Windows.Win32.UI.WindowsAndMessaging;
 using Toolkit.Windows;
-using Rect = Windows.Foundation.Rect;
 using WinUIEx;
 using Windows.Graphics;
+using Rect = Windows.Foundation.Rect;
+using System;
 
 namespace Toolkit.UI.WinUI;
 
@@ -18,6 +19,14 @@ public static partial class WindowExtensions
 {
     private static SUBCLASSPROC? SubClassDelegate;
 
+    public static uint GetDpi(this Window window)
+    {
+        nint handle = WindowNative.GetWindowHandle(window);
+        if (handle == 0) return 0;
+
+        return PInvoke.GetDpiForWindow(new HWND(handle));
+    }
+
     public static void Hide(this Window window)
     {
         nint handle = WindowNative.GetWindowHandle(window);
@@ -26,7 +35,7 @@ public static partial class WindowExtensions
         WindowHelper.HideWindow(new HWND(handle));
     }
 
-    public static void IsShownInSwitchers(this Window window,
+    public static void SetIsShownInSwitchers(this Window window,
         bool value)
     {
         if (window.AppWindow is AppWindow appWindow)
@@ -35,17 +44,6 @@ public static partial class WindowExtensions
         }
     }
 
-    public static void SetSize(this Window window,
-        int width, 
-        int height)
-    {
-        nint handle = WindowNative.GetWindowHandle(window);
-        if (handle == 0) return;
-
-        float value = PInvoke.GetDpiForWindow(new HWND(handle)) / 96f;
-        window.AppWindow.Resize(new SizeInt32((int)(width * (double)value), (int)(height * (double)value)));
-    }
-
     public static void MoveAndResize(this Window window,
         Rect rect)
     {
@@ -87,19 +85,32 @@ public static partial class WindowExtensions
         nint handle = WindowNative.GetWindowHandle(window);
         if (handle == 0) return;
 
-        WindowHelper.SetForegroundWindow(new HWND(handle));
+        PInvoke.SetForegroundWindow(new HWND(handle));
     }
 
-    public static void SetTopMost(this Window window,
-            bool value)
+    public static void SetIsMaximizable(this Window window, bool value) =>
+        window.UpdateOverlappedPresenter(presenter => presenter.IsMaximizable = value);
+
+    public static void SetIsMinimizable(this Window window, bool value) =>
+        window.UpdateOverlappedPresenter(presenter => presenter.IsMinimizable = value);
+
+    public static void SetIsResizable(this Window window, bool value) =>
+        window.UpdateOverlappedPresenter(presenter => presenter.IsResizable = value);
+
+    public static void SetSize(this Window window,
+        int width, 
+        int height)
     {
-        if (window.AppWindow is AppWindow appWindow &&
-            appWindow.Presenter is OverlappedPresenter presenter)
-        {
-            presenter.IsAlwaysOnTop = value;
-        }
+        nint handle = WindowNative.GetWindowHandle(window);
+        if (handle == 0) return;
+
+        float value = PInvoke.GetDpiForWindow(new HWND(handle)) / 96f;
+        window.AppWindow.Resize(new SizeInt32((int)(width * (double)value), (int)(height * (double)value)));
     }
 
+    public static void SetIsTopMost(this Window window, bool value) =>
+        window.UpdateOverlappedPresenter(presenter => presenter.IsAlwaysOnTop = value);
+
     public static void SetTransparency(this Window window,
         bool value)
     {
@@ -136,7 +147,6 @@ public static partial class WindowExtensions
         WINDOW_EX_STYLE exStyle = (WINDOW_EX_STYLE)PInvoke.GetWindowLong(hWnd, WINDOW_LONG_PTR_INDEX.GWL_EXSTYLE);
         _ = PInvoke.SetWindowLong(hWnd, WINDOW_LONG_PTR_INDEX.GWL_EXSTYLE, (int)(exStyle & ~WINDOW_EX_STYLE.WS_EX_LAYERED));
     }
-
     private static unsafe void EnableTransparency(HWND hWnd)
     {
         SubClassDelegate = new SUBCLASSPROC(WindowSubClass);
@@ -147,12 +157,21 @@ public static partial class WindowExtensions
             (int)(exStyle | WINDOW_EX_STYLE.WS_EX_LAYERED));
 
         COLORREF blackColor = new COLORREF((uint)ToWin32(Color.Black));
-        _ = PInvoke.SetLayeredWindowAttributes(hWnd, blackColor, 0, LAYERED_WINDOW_ATTRIBUTES_FLAGS.LWA_COLORKEY | 
+        _ = PInvoke.SetLayeredWindowAttributes(hWnd, blackColor, 0, LAYERED_WINDOW_ATTRIBUTES_FLAGS.LWA_COLORKEY |
             LAYERED_WINDOW_ATTRIBUTES_FLAGS.LWA_ALPHA);
     }
 
     private static int ToWin32(Color c) => c.B << 16 | c.G << 8 | c.R;
 
+    private static void UpdateOverlappedPresenter(this Window window,
+        Action<OverlappedPresenter> action)
+    {
+        if (window.AppWindow.Presenter is OverlappedPresenter presenter)
+        {
+            action(presenter);
+        }
+    }
+
     private static unsafe LRESULT WindowSubClass(HWND hWnd,
         uint uMsg, WPARAM wParam, LPARAM lParam, nuint uIdSubclass, nuint dwRefData)
     {

Toolkit.Windows/HotKeyDescriptor.cs

@@ -0,0 +1,5 @@
+using Toolkit.Foundation;
+
+namespace Toolkit.Windows;
+
+public record HotKeyDescriptor(ModifierKey Modifiers, VirtualKey VirtualKey);

Toolkit.Windows/HotKeyListener.cs

@@ -0,0 +1,49 @@
+using CommunityToolkit.Mvvm.Messaging;
+using Toolkit.Foundation;
+
+namespace Toolkit.Windows;
+
+public class HotKeyListener(ICache<int, HotKeyDescriptor> cache,
+    IMessenger messenger) : 
+    IHotKeyListener,
+    IRecipient<WndProcEventArgs>
+{
+    private bool isDisposed;
+
+    ~HotKeyListener()
+    {
+        Dispose(false);
+    }
+
+    public void Initialize()
+    {
+        messenger.RegisterAll(this);
+    }
+
+    public void Dispose()
+    {
+        Dispose(true);
+        GC.SuppressFinalize(this);
+    }
+
+    protected virtual void Dispose(bool disposing)
+    {
+        if (!isDisposed)
+        {
+            isDisposed = true;
+        }
+    }
+
+    public void Receive(WndProcEventArgs message)
+    {
+        const int WM_HOTKEY = 0x0312;
+        if (message.Message == WM_HOTKEY)
+        {
+            int key = (int)message.WParam;
+            if (cache.Contains(key))
+            {
+                messenger.Send(new HotKeyPressedEventArgs(key));
+            }
+        }
+    }
+}

Toolkit.Windows/HotKeyManager.cs

@@ -0,0 +1,57 @@
+using Toolkit.Foundation;
+using Windows.Win32;
+using Windows.Win32.Foundation;
+using Windows.Win32.UI.Input.KeyboardAndMouse;
+
+namespace Toolkit.Windows;
+
+public class HotKeyManager(IWndProc wndProc, 
+    ICache<int, HotKeyDescriptor> cache) :
+    IHotKeyManager
+{
+    public void Add(int key, HotKeyDescriptor descriptor)
+    {
+        HOT_KEY_MODIFIERS modifiers = 0;
+
+        if ((descriptor.Modifiers & ModifierKey.Alt) == ModifierKey.Alt)
+            modifiers |= HOT_KEY_MODIFIERS.MOD_ALT;
+        if ((descriptor.Modifiers & ModifierKey.Ctrl) == ModifierKey.Ctrl)
+            modifiers |= HOT_KEY_MODIFIERS.MOD_CONTROL;
+        if ((descriptor.Modifiers & ModifierKey.Shift) == ModifierKey.Shift)
+            modifiers |= HOT_KEY_MODIFIERS.MOD_SHIFT;
+        if ((descriptor.Modifiers & ModifierKey.Win) == ModifierKey.Win)
+            modifiers |= HOT_KEY_MODIFIERS.MOD_WIN;
+
+        uint vk = (uint)descriptor.VirtualKey;
+        if (PInvoke.RegisterHotKey(new HWND(wndProc.Handle), key, modifiers, vk))
+        {
+            cache.Add(key, descriptor);
+        }
+    }
+
+    public bool Contains(int key) =>
+        cache.Contains(key);
+
+    public void Remove(int key)
+    {
+        PInvoke.UnregisterHotKey(new HWND(wndProc.Handle), key);
+        cache.Remove(key);
+    }
+
+    public void Dispose()
+    {
+        HWND hwnd = new(wndProc.Handle);
+        foreach (KeyValuePair<int, HotKeyDescriptor> item in cache)
+        {
+            PInvoke.UnregisterHotKey(hwnd, item.Key);
+        }
+
+        cache.Clear();
+        GC.SuppressFinalize(this);
+    }
+
+    ~HotKeyManager()
+    {
+        Dispose();
+    }
+}

Toolkit.Windows/HotKeyPressedEventArgs.cs

@@ -0,0 +1,3 @@
+namespace Toolkit.Windows;
+
+public record HotKeyPressedEventArgs(int Key);

Toolkit.Windows/IHotKeyListener.cs

@@ -2,6 +2,6 @@
 
 namespace Toolkit.Windows;
 
-public interface ITaskbarButtonMonitor : 
+public interface IHotKeyListener :
     IInitialization,
     IDisposable;

Toolkit.Windows/IHotKeyManager.cs

@@ -0,0 +1,11 @@
+namespace Toolkit.Windows;
+
+public interface IHotKeyManager :
+    IDisposable
+{
+    void Add(int key, HotKeyDescriptor descriptor);
+
+    bool Contains(int key);
+
+    void Remove(int key);
+}

Toolkit.Windows/IPointerListener.cs

@@ -2,6 +2,6 @@
 
 namespace Toolkit.Windows;
 
-public interface IPointer :
+public interface IPointerListener :
     IInitialization, 
     IDisposable;

Toolkit.Windows/ITaskbarButtonListener.cs

@@ -0,0 +1,7 @@
+using Toolkit.Foundation;
+
+namespace Toolkit.Windows;
+
+public interface ITaskbarButtonListener : 
+    IInitialization,
+    IDisposable;

Toolkit.Windows/NativeMethods.txt

@@ -48,4 +48,6 @@ TranslateMessage
 DispatchMessage
 PostQuitMessage
 DestroyWindow
-GetModuleHandle
+GetModuleHandle
+RegisterHotKey
+UnregisterHotKey

Toolkit.Windows/NotifyIcon.cs

@@ -62,7 +62,7 @@ public class NotifyIcon(IWndProc wndProc,
         GC.SuppressFinalize(this);
     }
 
-    public unsafe PointerLocation GetPointerPosition()
+    public static unsafe PointerLocation GetPointerPosition()
     {
         Point point = new();
         _ = PInvoke.GetCursorPos(&point);

Toolkit.Windows/PointerListener.cs

@@ -1,14 +1,13 @@
 using CommunityToolkit.Mvvm.Messaging;
 using System.Diagnostics.CodeAnalysis;
-using System.Drawing;
 using Windows.Win32;
 using Windows.Win32.Foundation;
 using Windows.Win32.UI.WindowsAndMessaging;
 
 namespace Toolkit.Windows;
 
-public class Pointer(IMessenger messenger) : 
-    IPointer
+public class PointerListener(IMessenger messenger) : 
+    IPointerListener
 {
     private bool isDisposed;
     private bool isPointerDrag;
@@ -16,7 +15,7 @@ public class Pointer(IMessenger messenger) :
     private HOOKPROC? mouseEventDelegate;
     private UnhookWindowsHookExSafeHandle? mouseHandle;
 
-    ~Pointer()
+    ~PointerListener()
     {
         Dispose(false);
     }
@@ -27,25 +26,22 @@ public class Pointer(IMessenger messenger) :
         GC.SuppressFinalize(this);
     }
 
-    public unsafe void Initialize() => 
-        InitializeHook();
+    public unsafe void Initialize()
+    {
+        mouseEventDelegate = new HOOKPROC(MouseProc);
+        mouseHandle = PInvoke.SetWindowsHookEx(WINDOWS_HOOK_ID.WH_MOUSE_LL, mouseEventDelegate,
+            PInvoke.GetModuleHandle("user32.dll"), 0);
+    }
 
     protected virtual void Dispose(bool disposing)
     {
         if (!isDisposed)
         {
-            RemoveHook();
+            Remove();
             isDisposed = true;
         }
     }
 
-    private unsafe void InitializeHook()
-    {
-        mouseEventDelegate = new HOOKPROC(MouseProc);
-        mouseHandle = PInvoke.SetWindowsHookEx(WINDOWS_HOOK_ID.WH_MOUSE_LL, mouseEventDelegate,
-            PInvoke.GetModuleHandle("user32.dll"), 0);
-    }
-
     private LRESULT MouseProc(int nCode, WPARAM wParam, LPARAM lParam)
     {
         if (nCode >= 0)
@@ -82,7 +78,7 @@ public class Pointer(IMessenger messenger) :
         return PInvoke.CallNextHookEx(mouseHandle, nCode, wParam, lParam);
     }
 
-    private unsafe void RemoveHook()
+    private unsafe void Remove()
     {
         if (mouseHandle is not null && mouseHandle.DangerousGetHandle() != nint.Zero)
         {

Toolkit.Windows/TaskbarButton.cs

@@ -42,7 +42,7 @@ public class TaskbarButton :
 
     public void Receive(PointerReleasedEventArgs args)
     {
-        if (!isDrag && isWithinBounds)
+        if (args.Button is PointerButton.Left && !isDrag && isWithinBounds)
         {
             messenger.Send(new TaskbarButtonInvokedEventArgs(this));
         }

Toolkit.Windows/TaskbarButtonListener.cs

@@ -4,8 +4,8 @@ using UIAutomationClient;
 
 namespace Toolkit.Windows;
 
-public class TaskbarButtonMonitor : 
-    ITaskbarButtonMonitor
+public class TaskbarButtonListener : 
+    ITaskbarButtonListener
 {
     private readonly IDispatcherTimer dispatcherTimer;
     private readonly IDispatcherTimerFactory dispatcherTimerFactory;
@@ -19,7 +19,7 @@ public class TaskbarButtonMonitor :
     private IUIAutomationElement? taskListElement;
     private IntPtr taskListHandle;
 
-    public TaskbarButtonMonitor(ITaskbarList taskbarList,
+    public TaskbarButtonListener(ITaskbarList taskbarList,
         IMessenger messenger,
         IDispatcherTimerFactory dispatcherTimerFactory,
         IServiceFactory serviceFactory,