PyQt5 QSpinBox – Checking if there is over line or not

Last Updated : 22 May, 2020

In this article we will see how we can check if there over line to the text of spin box. An over line, overscore, or over bar, is a typographical feature of a horizontal line drawn immediately above the text. By default there is no over line to the text although we can set the over line with the help of setOverline method.

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

Syntax : font.overline()

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): 
        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() 
  
        # setting over-line 
        font.setOverline(True) 
  
        # reassigning this font to the spin box 
        self.spin.setFont(font) 
  
        # creating a label 
        label = QLabel(self) 
  
        # setting geometry to the label 
        label.setGeometry(100, 200, 300, 60) 
  
        # checking if there is over line or not 
        check = font.overline() 
  
        # setting text to the label 
        label.setText("Over Line ?: " + str(check)) 
  
  
# 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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PyQt5 QSpinBox - Checking if there is under line or not

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