TheXamlGuy
84 lines
2.1 KiB
C#
84 lines
2.1 KiB
C#
using System;
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using System.Linq;
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using System.Runtime.InteropServices;
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using Windows.System;
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using Windows.Win32;
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using Windows.Win32.UI.KeyboardAndMouseInput;
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namespace Hyperbar.Desktop.Win32;
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public class KeyIntrop
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{
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private static readonly VirtualKey[] ExtendedKeys = [
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VirtualKey.Menu,
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VirtualKey.Menu,
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VirtualKey.NumberKeyLock,
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VirtualKey.Insert,
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VirtualKey.Delete,
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VirtualKey.Home,
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VirtualKey.End,
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VirtualKey.Up,
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VirtualKey.Down,
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VirtualKey.Left,
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VirtualKey.Right,
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VirtualKey.Application,
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VirtualKey.RightWindows,
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VirtualKey.LeftWindows ];
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public static void Press(VirtualKey key) => SendKey(key, true);
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public static void Release(VirtualKey key) => SendKey(key, false);
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public static unsafe void Type(VirtualKey key,
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params VirtualKey[] modifierKeys)
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{
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foreach (VirtualKey modiferKey in modifierKeys)
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{
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Press(modiferKey);
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}
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Press(key);
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Release(key);
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foreach (VirtualKey modifierKey in modifierKeys.Reverse())
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{
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Release(modifierKey);
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}
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}
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private static unsafe void SendKey(VirtualKey key,
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bool pressed)
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{
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INPUT input = new()
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{
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type = INPUT_TYPE.INPUT_KEYBOARD
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};
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input.Anonymous.ki.wVk = (ushort)key;
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input.Anonymous.ki.wScan = (ushort)PInvoke.MapVirtualKey(input.Anonymous.ki.wVk, 0);
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KEYBD_EVENT_FLAGS flags = 0;
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if (input.Anonymous.ki.wScan > 0)
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{
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flags |= KEYBD_EVENT_FLAGS.KEYEVENTF_SCANCODE;
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}
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if (!pressed)
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{
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flags |= KEYBD_EVENT_FLAGS.KEYEVENTF_KEYUP;
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}
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if (ExtendedKeys.Contains(key))
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{
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flags |= KEYBD_EVENT_FLAGS.KEYEVENTF_EXTENDEDKEY;
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}
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input.Anonymous.ki.dwFlags = flags;
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input.Anonymous.ki.time = 0;
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input.Anonymous.ki.dwExtraInfo = new nuint();
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PInvoke.SendInput(new Span<INPUT>(ref input), Marshal.SizeOf(input));
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}
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}
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