#menu = QMenu("hello_wolrd")
#b2.setMenu(menu)
def on_button_clicked():
print("123")
def eventFilter(self, obj, event):
if event.type() == QtCore.QEvent.KeyPress:
print("keypress")
if event.key() == QtCore.Qt.Key_Escape:
self.close()
return 1
if event.key() == QtCore.Qt.Key_Tab:
print("Tab")
return 1
return super().eventFilter(obj, event)
b2.clicked.connect(on_button_clicked)
window.setLayout(layout)
window.connect(eventFilter)
window.showMaximized()
#window.show()
app.exec_()
