private IntPtr LowLevelHookProc(int nCode, IntPtr wParam, IntPtr lParam)
{
var passThrough = nCode != 0;
if (passThrough)
{
return(HookNativeMethods.CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam));
}
var callbackData = new InputEventData
{
Message = (int)wParam,
Data = (KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(KeyboardHookStruct))
};
//Debug.WriteLine(
// $@"LowLevelInput {(Keys)callbackData.Data.VirtualKeyCode} {callbackData.Data.ScanCode} {callbackData.Data.Flags} {
// KeyUtils.GetDeviceKey(
// (Keys)callbackData.Data.VirtualKeyCode, callbackData.Data.ScanCode,
// ((ScanCodeFlags)callbackData.Data.Flags).HasFlag(ScanCodeFlags.E0))
// }", "InputEvents");
Input?.Invoke(this, callbackData);
if (callbackData.Intercepted)
{
return(new IntPtr(-1));
}
return(HookNativeMethods.CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam));
}
protected override IntPtr HookTrigger(int nCode, IntPtr wParam, IntPtr lParam)
{
KeyboardMessages keyboardMessage = (KeyboardMessages)wParam.ToInt32();
KeyboardMessageData keyboardMessageData = (KeyboardMessageData)Marshal.PtrToStructure(lParam, typeof(KeyboardMessageData));
var keyboardEventArgs = new KeyboardEventArgs(keyboardMessage, keyboardMessageData.VkCode);
switch (keyboardMessage)
{
case KeyboardMessages.WM_KEYDOWN:
this.KeyDown?.Invoke(this, keyboardEventArgs);
break;
case KeyboardMessages.WM_KEYUP:
this.KeyUp?.Invoke(this, keyboardEventArgs);
break;
case KeyboardMessages.WM_SYSKEYDOWN:
this.SystemKeyDown?.Invoke(this, keyboardEventArgs);
break;
case KeyboardMessages.WM_SYSKEYUP:
this.SystemKeyUp?.Invoke(this, keyboardEventArgs);
break;
}
this.Action?.Invoke(this, keyboardEventArgs);
return(HookNativeMethods.CallNextHookEx((int)HookId.WH_KEYBOARD_LL, nCode, wParam, lParam));
}
protected override IntPtr HookTrigger(int nCode, IntPtr wParam, IntPtr lParam)
{
var mouseMessage = (MouseMessages)wParam.ToInt32();
MouseMessageData mouseMessageData = (MouseMessageData)Marshal.PtrToStructure(lParam, typeof(MouseMessageData));
var eventArgs = new MouseEventArgs(mouseMessage, mouseMessageData.Point);
switch (mouseMessage)
{
case MouseMessages.WM_LBUTTONDOWN:
this.LeftButtonDown?.Invoke(this, eventArgs);
break;
case MouseMessages.WM_LBUTTONUP:
this.LeftButtonUp?.Invoke(this, eventArgs);
break;
case MouseMessages.WM_MOUSEMOVE:
this.Move?.Invoke(this, eventArgs);
break;
case MouseMessages.WM_MOUSEWHEEL:
this.WheelRotate?.Invoke(this, eventArgs);
break;
case MouseMessages.WM_MOUSEHWHEEL:
this.HorizontalWheelRotate?.Invoke(this, eventArgs);
break;
case MouseMessages.WM_RBUTTONDOWN:
this.RightButtonDown?.Invoke(this, eventArgs);
break;
case MouseMessages.WM_RBUTTONUP:
this.RightButtonUp?.Invoke(this, eventArgs);
break;
}
this.Action?.Invoke(this, eventArgs);
return(HookNativeMethods.CallNextHookEx((int)HookId.WH_MOUSE_LL, nCode, wParam, lParam));
}
private static IntPtr CallNextHookEx(int nCode, IntPtr wParam, IntPtr lParam)
{
return(HookNativeMethods.CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam));
}
private int CallNextHook(int nCode, int wParam, IntPtr lParam)
{
return(HookNativeMethods.CallNextHookEx(HookHandle, nCode, wParam, lParam));
}
