python - 如何将变量 x（即 html 字段的输入字符的长度）放入 mousePressEvent 函数中？

Question

如何将变量 x（即 html 输入字段的输入字符的长度）访问到 mousePressEvent 函数中？而变量 x 是一个动态变量，随着每个字符的长度而增加。我想控制 mousePressEvent 中的文本输入尺寸。但我无法访问变量 x。

import sys
import os
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5 import QtCore, QtWidgets, QtWebEngineWidgets, 
QtWebChannel


class MainWindow(QMainWindow):
    def __init__(self, *args, **kwargs):
        super(MainWindow, self).__init__(*args, **kwargs)
        self.x = 50
        self.setGeometry(300, 200, 800, 600)
        self.channel = QtWebChannel.QWebChannel(self)
        self.channel.registerObject("backend", self)
        self.show()

    @QtCore.pyqtSlot(str)
    def pyFun1(self, x):
        self.x = x
        print(self.x)
    
    def mousePressEvent(self, e):
        self.view = QtWebEngineWidgets.QWebEngineView(self)
        self.view.resize(self.x, 40)
        self.view.page().setWebChannel(self.channel)
        self.view.load(QtCore.QUrl().fromLocalFile(
            os.path.split(os.path.abspath(__file__)) 
[0]+r'\index.html'))
        self.view.move(QPoint(e.x(), e.y()))
        self.view.show()

if __name__ == '__main__':
    app = QApplication(sys.argv)
    window = MainWindow()
    window.show()
    sys.exit(app.exec_())