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PyQt5 QCommandLinkButton – Setting Background Color for Checked states
  • Last Updated : 01 Jul, 2020
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In this article we will see how we can set background color to the checkable QCommandLinkButton according to the checked states. Command link button is a special type of button it has qualities of both push button and the radio button. By default there is no extra background color to the command link button althoughwe can set custom background color to it any time.

We can make the command link button checkable with the help of setCheckable method, there are basically two checked states one is checked i.e when it is in pressed state and other is the unchecked state i.e when it is in the release state.

In order to do this we will set style sheet code to it for that we use setStyleSheet method with the command link button object, below is the stylesheet code

QCommandLinkButton::checked
{
background-color : lightgreen;
}
QCommandLinkButton::!checked
{
background-color : red;
}

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):
  
        # creating a command link button
        cl_button = QCommandLinkButton("Press", self)
  
        # making it chekable
        cl_button.setCheckable(True)
  
        # setting geometry
        cl_button.setGeometry(150, 100, 200, 50)
  
        # setting style sheet
        # setting background color according to checkedstate
        cl_button.setStyleSheet("QCommandLinkButton::checked"
                                "{"
                                "border : 1px solid black;"
                                "background-color : lightgreen;"
                                "}"
                                "QCommandLinkButton::! checked"
                                "{"
                                "border : 1px solid black;"
                                "background-color : red;"
                                "}")
  
  
  
  
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# start the app
sys.exit(App.exec())

Output :

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