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PyQt5 QLabel – Checking if the blur effect is widget type
  • Last Updated : 10 May, 2020

In this article we will see how we can check if the blur effect of the label is widget type or not. Widget type allows user to know if blur effect object is widget type just like label, buttons etc or not.

In order to check the blur effect is widget type or not we use isWidgetType method.

Syntax : blur_effect.isWidgetType()

Argument : It takes no argument

Return : It returns bool



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 label
        label = QLabel("Label", self)
  
        # setting geometry to the label
        label.setGeometry(200, 100, 150, 60)
  
        # setting alignment to the label
        label.setAlignment(Qt.AlignCenter)
  
        # setting font
        label.setFont(QFont('Arial', 15))
  
        # setting style sheet of the label
        label.setStyleSheet("QLabel"
                            "{"
                            "border : 2px solid green;"
                            "background : lightgreen;"
                            "}")
  
        # creating a blur effect
        self.blur_effect = QGraphicsBlurEffect()
  
        # setting blur radius
        self.blur_effect.setBlurRadius(15)
  
        # adding blur effect to the label
        label.setGraphicsEffect(self.blur_effect)
  
        # creating a result label
        result = QLabel(self)
  
        # setting geometry to the result
        result.setGeometry(200, 200, 300, 30)
  
        # checking if blur effect is widget type
        check = self.blur_effect.isWidgetType()
  
        # setting text to the result
        result.setText("Widget type ? : " + str(check))
  
# 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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