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PyQt5 QSpinBox – Making text bold
  • Last Updated : 19 May, 2020

In this article we will see how we can make the text of the spin box bold, in order to set the font use setFont method which takes QFont object as argument. In order to make the the text i.e font bold we have to get the QFont object of the spin box then make it bold then reassign it to the spin box.

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

Syntax : font.setBold(True)

Argument : It takes bool as argument

Return : It returns None



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 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()
  
        # making font bold
        font.setBold(True)
  
        # 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())

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Output :

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