import sys
from os.path import abspath, dirname, join

from PySide2.QtCore import QAbstractNativeEventFilter
from PySide2.QtGui import QGuiApplication
from PySide2.QtQml import QQmlApplicationEngine

#from PyQt5.QtCore import QAbstractNativeEventFilter
#from PyQt5.QtGui import QGuiApplication
#from PyQt5.QtQml import QQmlApplicationEngine

class WinEventFilter(QAbstractNativeEventFilter):
    def nativeEventFilter(self, eventType, message):
        print(eventType)
        return False, 0


if __name__ == '__main__':
    app = QGuiApplication(sys.argv)
    wef = WinEventFilter()
    app.installNativeEventFilter(wef)
    engine = QQmlApplicationEngine()

    qmlFile = join(dirname(__file__), 'view.qml')
    engine.load(abspath(qmlFile))

    if not engine.rootObjects():
        sys.exit(-1)

    sys.exit(app.exec_())