In this article we will see how we can set gradient color to the progress bar. Below is how normal color progress bar looks like vs the gradient color progress bar looks like.
In order to do this we have to change the CSS style sheet, below is the code for style sheet.
QProgressBar::chunk { border : 1px solid black; background: QLinearGradient( x1: 0, y1: 0, x2: 1, y2: 0, stop: 0 #000fff, stop: 1 #ff000f ); }
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 , 600 , 400 )
# calling method
self .UiComponents()
# showing all the widgets
self .show()
# method for widgets
def UiComponents( self ):
# creating progress bar
bar = QProgressBar( self )
# setting geometry to progress bar
bar.setGeometry( 200 , 150 , 200 , 30 )
# set value to progress bar
bar.setValue( 30 )
# setting alignment to center
bar.setAlignment(Qt.AlignCenter)
# setting gradient color to progress bar
bar.setStyleSheet( "QProgressBar"
"{"
"border : 1px solid black;"
"background: QLinearGradient( x1: 0 , y1: 0 ,
x2: 1 , y2: 0 ,
stop: 0 # 00ffff,
stop: 1 # ff000f );"
"}" )
# 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 :