[PyQt] [Solved]Add a SpinBox to MsgBox or Carry Variable Over?

[Axel_Erfurt]

Just an idea

import sys
from PyQt5.QtWidgets import (QApplication, QPushButton, QWidget, QLabel, QVBoxLayout,QSpinBox, QMainWindow)
from PyQt5.QtCore import Qt


class MainWindow(QMainWindow):
    def __init__(self, parent = None):
      super(MainWindow, self).__init__(parent)
      
      self.ex = None
      self.checkout_value = 0
      cw = QWidget()
      vbox = QVBoxLayout()
      self.btn = QPushButton("Click", clicked = self.btn_clicked)
      self.lbl = QLabel(alignment = Qt.AlignCenter)
      vbox.addWidget(self.btn)
      vbox.addWidget(self.lbl)
      cw.setLayout(vbox)
      self.setCentralWidget(cw)
      self.setGeometry(100, 100, 400, 400)
      
      
    def btn_clicked(self):
        if not self.ex:
            self.ex = spindemo(parent = self)
            self.ex.show()
            
    def update_label(self):
        self.lbl.setText(f'CheckoutQuantity: {self.checkout_value}')
        print((f'CheckoutQuantity: {self.checkout_value}'))
        self.ex = None
        
        
    
class spindemo(QWidget):
   def __init__(self, parent = None):
      super(spindemo, self).__init__(parent)
       
      self.setStyleSheet("QSpinBox, QPushButton {background: #3465a4; color: #eeeeec;}")
      layout = QVBoxLayout()
      self.messageText = QLabel("How much quantity are you taking?")
      self.messageText.setAlignment(Qt.AlignCenter)
      layout.addWidget(self.messageText)
      self.CheckoutSpinBox = QSpinBox()
 
      self.ConfirmButton = QPushButton()
      self.ConfirmButton.setText("Confirm")
 
         
      layout.addWidget(self.CheckoutSpinBox)
      layout.addWidget(self.ConfirmButton)
 
      self.CheckoutSpinBox.valueChanged.connect(self.currentValue)
      self.setLayout(layout)
      self.setWindowTitle("Checkout")
 
      #------------------------------------------
                        #Confim Button
      #------------------------------------------
      #When the Confirm button is clicked -> Confirm Function
      ConfirmButton = self.ConfirmButton
      ConfirmButton.clicked.connect(self.ConfirmClicked)
      #------------------------------------------
      
      self.setGeometry(self.parent().x(), self.parent().y(), 
                        round(self.parent().width() / 2), 
                        round(self.parent().height() / 4))
         
   def currentValue(self):
      #Show the current value of the SpinBox in real time
      self.messageText.setText("You are taking: "+str(self.CheckoutSpinBox.value()))
 
   def ConfirmClicked(self):
      CheckoutQuantity = self.CheckoutSpinBox.value()
      print("Quantity you are taking: ", CheckoutQuantity)
      self.parent().checkout_value = CheckoutQuantity
      #self.parent().lbl.setText(f'CheckoutQuantity: {checkout_value}')
      self.parent().update_label()
      self.close()
 
 
def main():
   app = QApplication(sys.argv)
   win = MainWindow()
   win.show()
   sys.exit(app.exec_())
     
if __name__ == '__main__':
   main()