PyQt5 – Gradient Color Progress Bar
Last Updated :
22 Apr, 2020
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.
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__()
self .setWindowTitle( "Python " )
self .setGeometry( 100 , 100 , 600 , 400 )
self .UiComponents()
self .show()
def UiComponents( self ):
bar = QProgressBar( self )
bar.setGeometry( 200 , 150 , 200 , 30 )
bar.setValue( 30 )
bar.setAlignment(Qt.AlignCenter)
bar.setStyleSheet( "QProgressBar"
"{"
"border : 1px solid black;"
"background: QLinearGradient( x1: 0 , y1: 0 ,
x2: 1 , y2: 0 ,
stop: 0
stop: 1
"}" )
App = QApplication(sys.argv)
window = Window()
sys.exit(App. exec ())
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Output :
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