| 1 | using Core.Librarys; |
| 2 | using System; |
| 3 | using System.Collections.Generic; |
| 4 | using System.Diagnostics; |
| 5 | using System.Linq; |
| 6 | using System.Runtime.InteropServices; |
| 7 | using System.Text; |
| 8 | using System.Threading.Tasks; |
| 9 | using System.Windows.Forms; |
| 10 | |
| 11 | namespace UI.Servicers |
| 12 | { |
| 13 | public class InputServicer : IInputServicer |
| 14 | { |
| 15 | public event InputEventHandler OnKeyDownInput; |
| 16 | public event InputEventHandler OnKeyUpInput; |
| 17 | |
| 18 | private Win32API.LowLevelKeyboardProc keyboardProc; |
| 19 | private static IntPtr hookKeyboardID = IntPtr.Zero; |
| 20 | private IntPtr keyboardHook; |
| 21 | public InputServicer() |
| 22 | { |
| 23 | keyboardProc = HookCallback; |
| 24 | } |
| 25 | public void Start() |
| 26 | { |
| 27 | |
| 28 | keyboardHook = Win32API.SetKeyboardHook(keyboardProc); |
| 29 | } |
| 30 | |
| 31 | private IntPtr HookCallback( |
| 32 | int nCode, IntPtr wParam, IntPtr lParam) |
| 33 | { |
| 34 | if (nCode >= 0) |
| 35 | { |
| 36 | Win32API.KeyboardHookStruct MyKeyboardHookStruct = (Win32API.KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(Win32API.KeyboardHookStruct)); |
| 37 | |
| 38 | Keys key = (Keys)MyKeyboardHookStruct.vkCode; |
| 39 | |
| 40 | |
| 41 | if (wParam == (IntPtr)Win32API.WM_KEYDOWN) |
| 42 | { |
| 43 | OnKeyDownInput?.Invoke(this, key); |
| 44 | } |
| 45 | |
| 46 | |
| 47 | if ((wParam == (IntPtr)Win32API.WM_KEYUP || wParam == (IntPtr)Win32API.WM_SYSKEYUP)) |
| 48 | { |
| 49 | OnKeyUpInput?.Invoke(this, key); |
| 50 | } |
| 51 | } |
| 52 | return Win32API.CallNextHookEx(hookKeyboardID, nCode, wParam, lParam); |
| 53 | |
| 54 | } |
| 55 | } |
| 56 | } |
