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PyQt5 QCommandLinkButton – Toggled Signal

Last Updated : 29 Dec, 2021
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In this article we will see how we can get the toggled signal of the QCommandLinkButton. This signal is emitted whenever a checkable command link button changes its state. By default it is not checkable although we can make it checkable any time with the help of setCheckable method. Also when it is checkable its state is unchecked although we can programmatically make its state checked with the help of setChecked method.
In order to do this we use toggled method with the command link button object 

Syntax : button.toggled.connect(method)
Argument : It takes method as argument
Action Performed : It calls the method when the clicked signal is emitted  

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):
        # setting title
        self.setWindowTitle("Python ")
        # setting geometry
        self.setGeometry(100, 100, 500, 400)
        # calling method
        # showing all the widgets
    # method for components
    def UiComponents(self):
        # creating a command link button
        cl_button = QCommandLinkButton("Press", self)
        # setting geometry
        cl_button.setGeometry(250, 100, 150, 50)
        # making it checkable
        # toggle signal
        # printing message
        cl_button.toggled.connect(lambda: print("Toggled Signal Emitted"))
        # making its state checked
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app

Output : 

Toggled Signal Emitted
Toggled Signal Emitted
Toggled Signal Emitted
Toggled Signal Emitted
Toggled Signal Emitted

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