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PyQt5 QScrollBar – Checking Slider Down Property

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  • Last Updated : 03 Aug, 2021

In this article we will see how we can check the slider down property 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. This property holds whether the slider is pressed down. The property is set by subclasses in order to let the abstract slider know whether or not tracking has any effect. Changing the slider down property emits the slider pressed and slider released signals. It can be set with the help of setSliderDown method.

In order to do this we will use isSliderDown method with the scroll bar object.
Syntax : scroll.isSliderDown()
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):
        # setting title
        self.setWindowTitle("Python ")
        # setting geometry
        self.setGeometry(100, 100, 500, 400)
        # calling method
        # showing all the widgets
    # method for components
    def UiComponents(self):
        scroll = QScrollBar(self)
        # setting geometry of the scroll bar
        scroll.setGeometry(100, 50, 30, 200)
        # making its background color to green
        scroll.setStyleSheet("background : lightgrey;")
        # setting slider down
        # creating a label
        label = QLabel("GeesforGeeks", self)
        # setting geometry to the label
        label.setGeometry(200, 100, 300, 80)
        # making label multi line
        # checking if slider is down
        value = scroll.isSliderDown()
        # setting text to the label
        label.setText("Is Slider Down: " + str(value))
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app

Output :


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