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 ):
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 background color to green
scroll.setStyleSheet( "background : lightgrey;" )
# setting inverted appearance
scroll.setInvertedAppearance( True )
# 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 )
# 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 sys.exit(App. exec ())
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Output :