159 lines
3.9 KiB
C#
159 lines
3.9 KiB
C#
using UnityEngine;
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using System.Runtime.InteropServices;
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public enum KeyType
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{
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None,
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// 数字
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Digit0, Digit1, Digit2, Digit3, Digit4,
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Digit5, Digit6, Digit7, Digit8, Digit9,
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// 字母
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A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z,
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// 功能键
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F1, F2, F3, F4, F5, F6, F7, F8, F9, F10,
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// 特殊键
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Enter,
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Backspace,
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Space,
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Plus,
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Minus,
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// 方向键
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ArrowUp, ArrowDown, ArrowLeft, ArrowRight,
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NumpadDot,
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上移,下移,上翻,下翻,
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}
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public static class KeyboardSimulator
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{
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[DllImport("user32.dll")]
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private static extern uint SendInput(uint nInputs, INPUT[] pInputs, int cbSize);
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private const int INPUT_KEYBOARD = 1;
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private const uint KEYEVENTF_KEYUP = 0x0002;
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[StructLayout(LayoutKind.Sequential)]
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private struct INPUT
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{
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public int type;
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public INPUTUNION u;
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}
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[StructLayout(LayoutKind.Explicit)]
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private struct INPUTUNION
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{
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[FieldOffset(0)] public KEYBDINPUT ki;
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}
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[StructLayout(LayoutKind.Sequential)]
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private struct KEYBDINPUT
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{
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public ushort wVk;
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public ushort wScan;
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public uint dwFlags;
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public uint time;
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public System.UIntPtr dwExtraInfo;
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}
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public static ushort GetVK(KeyType type)
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{
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switch (type)
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{
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// 数字
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case KeyType.Digit0: return 0x30;
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case KeyType.Digit1: return 0x31;
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case KeyType.Digit2: return 0x32;
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case KeyType.Digit3: return 0x33;
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case KeyType.Digit4: return 0x34;
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case KeyType.Digit5: return 0x35;
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case KeyType.Digit6: return 0x36;
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case KeyType.Digit7: return 0x37;
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case KeyType.Digit8: return 0x38;
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case KeyType.Digit9: return 0x39;
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// F1-F10
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case KeyType.F1: return 0x70;
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case KeyType.F2: return 0x71;
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case KeyType.F3: return 0x72;
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case KeyType.F4: return 0x73;
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case KeyType.F5: return 0x74;
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case KeyType.F6: return 0x75;
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case KeyType.F7: return 0x76;
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case KeyType.F8: return 0x77;
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case KeyType.F9: return 0x78;
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case KeyType.F10: return 0x79;
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// 特殊键
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case KeyType.Enter: return 0x0D;
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case KeyType.Backspace: return 0x08;
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case KeyType.Space: return 0x20;
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case KeyType.Minus: return 0xBD;
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case KeyType.Plus: return 0xBB;
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// 方向键
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case KeyType.ArrowUp: return 0x26;
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case KeyType.ArrowDown: return 0x28;
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case KeyType.ArrowLeft: return 0x25;
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case KeyType.ArrowRight: return 0x27;
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// 字母
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default:
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if (type >= KeyType.A && type <= KeyType.Z)
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return (ushort)((int)type - (int)KeyType.A + 0x41);
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break;
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}
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return 0;
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}
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public static void PressKey(KeyType type)
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{
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ushort vk = GetVK(type);
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if (vk == 0) return;
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// 特殊处理加号（Shift + =）
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if (type == KeyType.Plus)
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{
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SendKeyDown(0x10); // Shift
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SendKeyPress(0xBB); // =
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SendKeyUp(0x10);
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return;
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}
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SendKeyPress(vk);
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}
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private static void SendKeyPress(ushort vk)
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{
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SendKeyDown(vk);
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SendKeyUp(vk);
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}
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private static void SendKeyDown(ushort vk)
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{
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INPUT[] inputs = new INPUT[1];
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inputs[0].type = INPUT_KEYBOARD;
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inputs[0].u.ki.wVk = vk;
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inputs[0].u.ki.dwFlags = 0;
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SendInput(1, inputs, Marshal.SizeOf(typeof(INPUT)));
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}
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private static void SendKeyUp(ushort vk)
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{
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INPUT[] inputs = new INPUT[1];
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inputs[0].type = INPUT_KEYBOARD;
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inputs[0].u.ki.wVk = vk;
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inputs[0].u.ki.dwFlags = KEYEVENTF_KEYUP;
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SendInput(1, inputs, Marshal.SizeOf(typeof(INPUT)));
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}
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}
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