feat: adding global keyboard listener

we will need this to skip messages and things

Author: ProgrammingByPermutation

src/TwitchStreamingTools/Models/KeyboardLowLevelHookStruct.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace TwitchStreamingTools.Models;
+
+/// <summary>
+///   The structure representing the key pressed.
+/// </summary>
+[StructLayout(LayoutKind.Sequential)]
+internal struct KeyboardLowLevelHookStruct {
+  /// <summary>
+  ///   The keystroke.
+  /// </summary>
+  public int vkCode;
+
+  /// <summary>
+  ///   The scan code.
+  /// </summary>
+  public int scanCode;
+
+  /// <summary>
+  ///   The flags.
+  /// </summary>
+  public int flags;
+
+  /// <summary>
+  ///   The time the key was pressed.
+  /// </summary>
+  public int time;
+
+  /// <summary>
+  ///   The extra info.
+  /// </summary>
+  public IntPtr dwExtraInfo;
+}

src/TwitchStreamingTools/Models/KeyboardMessage.cs

@@ -0,0 +1,26 @@
+namespace TwitchStreamingTools.Models;
+
+/// <summary>
+///   Information on what kind of event it is.
+/// </summary>
+public enum KeyboardMessage {
+  /// <summary>
+  ///   The key was pressed down.
+  /// </summary>
+  KEY_DOWN = 0x100,
+
+  /// <summary>
+  ///   The key was released after being pressed down.
+  /// </summary>
+  KEY_UP = 0x101,
+
+  /// <summary>
+  ///   No idea.
+  /// </summary>
+  SYS_KEY_DOWN = 0x104,
+
+  /// <summary>
+  ///   Don't ask me.
+  /// </summary>
+  SYS_KEY_UP = 0x105
+}