main_window.py 文件源码

def event(self, event):
        """ Rewrite the event loop. Used to handle the  \n key
            If the \n key is pressed, call self.penrent.validate_transaction.
        """
        if isinstance(event, QtGui.QKeyEvent):
            if event.type() == QtCore.QEvent.KeyPress:
                if event.key() == QtCore.Qt.Key_Return or event.key() == QtCore.Qt.Key_Enter:
                    self.parent().validate_transaction()
                    return True
        return super().event(event)