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PyQt5 QScrollBar – Getting Inverted Appearance Property

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In this article we will see how we can get inverted appearance 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 or not a slider shows its values inverted. If this property is false (the default), the minimum and maximum will be shown in its classic position for the scroll bar. If the value is true, the minimum and maximum appear at their opposite location. It can be set with the help of setInvertedAppearance method.

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

Syntax : scroll.invertedAppearance()

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 inverted appearance
        # creating a label
        label = QLabel("GeesforGeeks", self)
        # setting geometry to the label
        label.setGeometry(200, 100, 300, 80)
        # making label multi line
        # getting value changed signal
        scroll.valueChanged.connect(lambda: do_action())
        # method called when signal is emitted
        def do_action():
            # setting text to the label
            label.setText("Current Value : " + str(scroll.value()))
        # getting inverted appearance property
        value = scroll.invertedAppearance()
        # setting text to the label
        label.setText("Inverted Appearance : " + str(value))
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app

Output :

Last Updated : 30 Jul, 2020
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