Fixed

2024-01-06 18:15:20 +00:00
parent 9fdb125c13
commit 66f65185c8
13 changed files with 883 additions and 33 deletions
@@ -0,0 +1,84 @@
+using System;
+using System.Linq;
+using System.Runtime.InteropServices;
+using Windows.Win32;
+using Windows.Win32.UI.KeyboardAndMouseInput;
+
+namespace Hyperbar.Windows.Interop;
+
+public class VirtualKeyboard : 
+    IVirtualKeyboard
+{
+    private readonly int[] extendedKeys = [
+        165,    // RightMenu
+        164,    // LeftMenu
+        144,    // NumberKeyLock
+        45,     // Insert
+        46,     // Delete
+        36,     // Home
+        35,     // End
+        36,     // Up,
+        40,     // Down,
+        37,     // Left
+        39,     // Right,
+        93,     // Application,
+        92,     // RightWindows
+        91      // LeftWindows
+       ];
+
+    public void Send(int key,
+        params int[] modifierKeys)
+    {
+        foreach (int modiferKey in modifierKeys)
+        {
+            Press(modiferKey);
+        }
+
+        Press(key);
+        Release(key);
+
+        foreach (int modifierKey in modifierKeys.Reverse())
+        {
+            Release(modifierKey);
+        }
+    }
+
+    private void Press(int key) => Send(key, true);
+
+    private void Release(int key) => Send(key, false);
+
+    private unsafe void Send(int key,
+        bool pressed)
+    {
+        INPUT input = new()
+        {
+            type = INPUT_TYPE.INPUT_KEYBOARD
+        };
+
+        input.Anonymous.ki.wVk = (ushort)key;
+        input.Anonymous.ki.wScan = (ushort)PInvoke.MapVirtualKey(input.Anonymous.ki.wVk, 0);
+
+        KEYBD_EVENT_FLAGS flags = 0;
+
+        if (input.Anonymous.ki.wScan > 0)
+        {
+            flags |= KEYBD_EVENT_FLAGS.KEYEVENTF_SCANCODE;
+        }
+
+        if (!pressed)
+        {
+            flags |= KEYBD_EVENT_FLAGS.KEYEVENTF_KEYUP;
+        }
+
+        if (extendedKeys.Contains((int)key))
+        {
+            flags |= KEYBD_EVENT_FLAGS.KEYEVENTF_EXTENDEDKEY;
+        }
+
+        input.Anonymous.ki.dwFlags = flags;
+        input.Anonymous.ki.time = 0;
+        input.Anonymous.ki.dwExtraInfo = new nuint();
+
+        PInvoke.SendInput(new Span<INPUT>(ref input), Marshal.SizeOf(input));
+    }
+}