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PyQt5 QSpinBox – Swapping Font

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  • Last Updated : 19 May, 2020
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In this article we will see how we can swap the fonts of the spin box, swapping of font of spin box means to replace the QFont object of spin box with other QFont object. We can get the QFont object of spin box with the help of font method.

In order to do this we use swap method with the QFont object of the spin box

Syntax : font.swap(another_font)

Argument : It takes QFont object as argument

Return : It returns None

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, 250, 40)
  
        # setting range to the spin box
        self.spin.setRange(0, 999999)
  
        # setting prefix to spin
        self.spin.setPrefix("Prefix ")
  
        # setting suffix to spin
        self.spin.setSuffix(" Suffix")
  
        # getting font of the spin box
        font = self.spin.font()
  
        # another font
        another_font = QFont("Times", 12)
  
        # swapping current font with another font
        font.swap(another_font)
  
        # setting back this font to the spin box
        self.spin.setFont(font)
  
# 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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