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PyQt5 QSpinBox – Getting the minimum right bearing value of the font

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In this article we will see how we can get the minimum right bearing of the spin box’s font. Minimum right bearing value is the smallest rightBearing value of all characters in the font. The right bearing is the left-ward distance of the right-most pixel of the character from the logical origin of a subsequent character. This value is negative if the pixels of the character extend to the right of the width of the character.

In order to do this we use minRightBearing() method with the spin box’s QFontMetrics object.

Syntax : font_metrics.minRightBearing()

Argument : It takes no argument

Return : It returns integer.

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(1, 999999)
        # setting prefix to spin
        self.spin.setPrefix("PREFIX ")
        # setting suffix to spin
        self.spin.setSuffix(" SUFFIX")
        # setting under line to the font
        font = self.spin.font()
        # creating a label
        label = QLabel(self)
        # making label multi line
        # setting geometry to the label
        label.setGeometry(100, 200, 300, 60)
        # getting font metrics
        f_metrics = self.spin.fontMetrics()
        # getting minimum Right bearing value
        value = f_metrics.minRightBearing()
        # setting text to the label
        label.setText("Min right bearing value : " + str(value))
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app

Output :

Last Updated : 28 May, 2020
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