PyQt5 QSpinBox – Getting the width of the widest character
In this article we will see how we can get the width of the widest character in the spin box. Each character consumes different width and some are of less width and some have huge width, the width will be in the pixel unit.
In order to do this we use maxWidth
method with the spin box’s QFontMetrics object.
Syntax : font_metrics.maxWidth()
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 ): 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( 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() font.setUnderline( True ) self .spin.setFont(font) # creating a label label = QLabel( self ) # making label multi line label.setWordWrap( True ) # setting geometry to the label label.setGeometry( 100 , 200 , 300 , 60 ) # getting font metrics f_metrics = self .spin.fontMetrics() # getting max width value = f_metrics.maxWidth() # setting text to the label label.setText( "Max width of character: " + str (value)) # create pyqt5 app App = QApplication(sys.argv) # create the instance of our Window window = Window() # start the app sys.exit(App. exec ()) |
Output :
Contact Us