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PyQt5 QSpinBox – Checking if value is at center
  • Last Updated : 06 May, 2020

In this article we will see how we can check if the value appears in the center of spin box or not, when we create spin box the value is at the left hand side in order to make the value in center we have to set its alignment flag to center.

In order to do this we will use alignment method.

Syntax : spin_box.alignment()

Argument : It takes no argument

Return : It returns Qt object



Steps for implementation –

1. Create a spin box
2. Set its alignment with the help of setAlignment method
3. Create label to show the result
4. Get the alignment with the help of alignment method
5. Check if alignment is center then update the label
6. Show alignment is not center show not at center

Below is the implementation




# importing libraries
from PyQt5.QtWidgets import * 
from PyQt5 import QtCore, QtGui
from PyQt5.QtGui import * 
from PyQt5.QtCore import * 
import sys
  
class Window(QMainWindow):
  
    def __init__(self):
        super().__init__()
  
        # setting title
        self.setWindowTitle("Python ")
  
        # setting geometry
        self.setGeometry(100, 100, 600, 400)
  
        # calling method
        self.UiComponents()
  
        # showing all the widgets
        self.show()
  
    # method for widgets
    def UiComponents(self):
  
        # creating spin box
        self.spin = QSpinBox(self)
  
        # setting geometry to spin box
        self.spin.setGeometry(100, 100, 150, 40)
  
        # alignment
        alignment = Qt.AlignCenter
  
        # setting alignment to centre
        self.spin.setAlignment(alignment)
  
        # creating label
        label = QLabel(self)
  
        # setting geometry to the label
        label.setGeometry(100, 160, 200, 30)
  
        # getting alignment
        get_alignment = self.spin.alignment()
  
        # checking if alignment is centre
        if get_alignment == Qt.AlignCenter:
            text = "Center Aligned"
  
        else:
            text = "Not center aligned"
  
        # setting text to the label
        label.setText(text)
  
  
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# start the app
sys.exit(App.exec())

Output :

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