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PyQt5 QDial – Setting Range of Dial

  • Last Updated : 07 Jul, 2020

In this article we will see how we can set range to the QDial. Range means both upper and lower bound at the same time so that user can assign any value which don’t lies between the range. We can set lower and upper bound to the QDial with the help of setMinimum and setMinimum method respectively.

In order to do this we use setMaximum method with the QDial object

Syntax : dial.setRange(min, max)

Argument : It takes two integer as argument

Return : It returns None

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, 500, 400)
  
        # calling method
        self.UiComponents()
  
        # showing all the widgets
        self.show()
  
    # method for components
    def UiComponents(self):
  
        # creating QDial object
        dial = QDial(self)
  
        # setting geometry to the dial
        dial.setGeometry(100, 100, 100, 100)
  
        # setting range
        dial.setRange(100, 120)
  
        # making notch visible
        dial.setNotchesVisible(True)
  
  
        # creating a label
        label = QLabel("GeeksforGeeks", self)
  
        # setting geometry to the label
        label.setGeometry(220, 125, 200, 60)
  
        # making label multiline
        label.setWordWrap(True)
  
        # adding action to the dial
        dial.valueChanged.connect(lambda: label.setText("Value = " + str(dial.value())))
  
         
  
# 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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