embedding unity player with pyqt5

Pythonic person

hi, am trying to embed unity player within my pyqt5 application.
the following code works good with displaying the content of the game, but the problem is I can't interact with the game at all.

when I launch the game separately wherever I move the mouse I can change the camera view. but not any more with embedding it.

here is my current code:

import win32api
import win32process
from PyQt5.QtWidgets import QApplication, QWidget, QGridLayout, QLabel
from PyQt5.QtCore import Qt, QProcess
import sys
import time
import win32gui
from PyQt5.QtGui import QWindow
import ctypes

if __name__ == '__main__':
    app = QApplication(sys.argv)
    main_window = QWidget()
    main_window.setMinimumSize(600, 600)
    container = QWidget()

    # Create layout
    grid_layout = QGridLayout(main_window)

    unity = QProcess()
    unity.setProgram("C:/Users/USER/My project (2)/win32/My project (2).exe")
    unity.start()
    unity.waitForStarted()
    time.sleep(15)

    # Get the window handle for the spawned Unity instance
    hwnd = win32gui.FindWindow(0, "My project (2)")
    UnitySceneWindow = QWindow.fromWinId(hwnd)
    unityWidget = QWidget.createWindowContainer(UnitySceneWindow, main_window, Qt.FramelessWindowHint)
    unityWidget.setFocusPolicy(Qt.TabFocus)

    # Get the thread IDs for the Qt and Unity windows
    qt_thread_id = win32api.GetCurrentThreadId()
    _, unity_thread_id = win32process.GetWindowThreadProcessId(hwnd)

    # Detach the Qt process input from the Unity process
    ctypes.windll.user32.AttachThreadInput(qt_thread_id, unity_thread_id, False)

    # Detach the Unity process input from the Qt process
    ctypes.windll.user32.AttachThreadInput(unity_thread_id, qt_thread_id, False)

    # Activate the Unity window
    ctypes.windll.user32.SendMessageA(hwnd, 6, 1, 0)

    main_window.show()
    app.exec_()

I read about the same problem with the following thread:
https://forum.unity.com/threads/unity-player-embedded-into-qt-application.537879/
but couldn't fix the problem
please help I was stuck with this problem 3days