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PyQt5 QSpinBox – Checking if text is bold ?
  • Last Updated : 22 May, 2020

In this article we will see how we can check if the text of the spin box is bold not, 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 get the information about the font we have to get the QFontInfo object of spin box which can be done using fontInfo method.

In order to do this we bold method with the QFontInfo object of the spin box

Syntax : font_info.bold()

Argument : It takes no argument

Return : It returns bool

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):
        # setting title
        self.setWindowTitle("Python ")
        # setting geometry
        self.setGeometry(100, 100, 600, 400)
        # calling method
        # showing all the widgets
        # 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
        # reassigning the font to the spin box
        # creating a label
        label = QLabel(self)
        # setting geometry to the label
        label.setGeometry(100, 200, 300, 60)
        # getting the font info
        font_info = self.spin.fontInfo()
        # getting bold status of text
        check = font_info.bold()
        # setting text to the label
        label.setText("Bold ? : " + str(check))
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app

Output :

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