PyQt5 – Font and size of content in Radio button

In this article we will see how we can set font and the size to the content of radio button, there are basically two parts of radio button one is the indicator part and the other one is the label part which contain the content.

In order to change the font and the size of content we have to change the style sheet code of radio button, below is the style sheet code

QRadioButton
{
font : 20px Ariral;
}

Below is the implementation –

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# 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 a radio button
        self.radio_button = QRadioButton("Radio button", self)
  
        # setting geometry of radio button
        self.radio_button.setGeometry(200, 150, 120, 40)
  
        # creating push button
        self.button = QPushButton("press to change", self)
  
        # adding action to push button
        self.button.pressed.connect(self.change)
  
        # setting geometry to button
        self.button.setGeometry(100, 100, 100, 40)
  
  
    # method called by push button
    def change(self):
  
        # setting font to the style sheet
        self.radio_button.setStyleSheet("QRadioButton"
                                        "{"
                                        "font : 20px Arial;"
                                        "}")
  
        # adjusting the size
        self.radio_button.adjustSize()
  
  
  
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# start the app
sys.exit(App.exec())

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