GuiShell/ui/About.py

from PySide2.QtWidgets import *
from PySide2.QtCore import *
from PySide2.QtGui import *
from ui.ui_About import Ui_AboutDialog

class AboutWindow(Ui_AboutDialog, QDialog):
    def __init__(self, mainWindow, txt) -> None:
        super().__init__(mainWindow)
        self.setupUi(self)
        
        pix = QPixmap(":/icon/resource/logo.png")
        logo = pix.scaledToWidth(self.width()*0.6, Qt.FastTransformation)
        self.logo = QLabel(self)
        self.logo.setPixmap(logo)
        self.logo.setAlignment(Qt.AlignmentFlag.AlignCenter)
        self.verticalLayout.insertWidget(1, self.logo)
        index = 2
        for line in txt.split("\n"):
            label = QLabel(self)
            label.setText(line)
            label.setAlignment(Qt.AlignmentFlag.AlignHCenter)
            self.verticalLayout.insertWidget(index, label)
            index += 1
        self.move(mainWindow.x()+(mainWindow.width()-self.width())/2,mainWindow.y()+(mainWindow.height()-self.height())/2)