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PyQt5 QScrollBar – Slider Change
  • Last Updated : 29 Jul, 2020

In this article we will see how we can change the slider representation of QScrollBar. QScrollBar is a control that enables the user to access parts of a document that is larger than the widget used to display it. Slider is the scroll-able object inside the bar. There are basically four slider change options as follows: slider range change, slider orientation change, slider step change and slider value change.

In order to do this we will use sliderChange method with the scroll bar object.

Syntax : scroll.sliderChange(sliderchange)

Argument : It takes slider change object 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):
  
        scroll = QScrollBar(self)
  
        # setting geometry of the scroll bar
        scroll.setGeometry(100, 50, 30, 200)
  
        # making its backgorund color to green
        scroll.setStyleSheet("background : lightgrey;")
  
        # setting slider change
        scroll.sliderChange(QAbstractSlider.SliderOrientationChange)
  
  
        # creating a label
        label = QLabel("GeesforGeeks", self)
  
        # setting geometry to the label
        label.setGeometry(200, 100, 300, 80)
  
        # making label multi line
        label.setWordWrap(True)
  
  
  
  
# 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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