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PyQt5 – Multi colored border to bar of Progress Bar

  • Last Updated : 22 Apr, 2020

In this article we see how to create the multi colored border to the bar of the progress bar. Bar is the part of progress bar which indicates the completeness.

Below is the representation of border bar of progress bar vs the multi colored bar of progress bar.


In order to this we have change the color of each border of bar of progress bar in CSS style sheet, below is the code for border style sheet.

QProgressBar
{
border : 1px solid black;
}
QProgressBar::chunk
{
border :3px solid ;
border-top-color : red; 
border-left-color :pink;
border-right-color :green;
border-bottom-color : blue;
}

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 background color to window
        # self.setStyleSheet("background-color : yellow")
  
        # 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, 100, 200, 30)
  
        # setting the value
        value = 70
        bar.setValue(value)
  
        # setting alignment to center
        bar.setAlignment(Qt.AlignCenter)
  
        # setting border to progress bar
        # and setting multi colored border to the bar and color
        bar.setStyleSheet("QProgressBar "
                          "{"
                          "border : 1px solid black;"
                          "}"
                          "QProgressBar::chunk"
                          "{"
                          "background-color : yellow;"
                          "border :3px solid;"
                          "border-top-color : red;" 
                          "border-left-color :pink;"
                          "border-right-color :green;"
                          "border-bottom-color : blue;"
                          "}"
                          )
  
  
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# start the app
sys.exit(App.exec())

Output :

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