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PyQt5 QCalendarWidget – Setting Mask

  • Last Updated : 17 Jun, 2020

In this article we will see how we can set the mask to the QCalendarWidget. Mask are basically used to hide the calendar, with the help of mask user will not be able to see the whole calendar although the calendar will still exist but there will be mask on it.

It causes only the pixels of the calendar for which bitmap has a corresponding 1 bit to be visible. If the region includes pixels outside the rectangle of the calendar, window system controls in that area may or may not be visible, depending on the platform.

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In order to do this we will use setMask method with the QCalendarWidget object.

Syntax : calendar.setMask(region)

Argument : It takes QRegion object or QBitMap object as argument

Return : It return None

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
# QCalendarWidget Class
class Calendar(QCalendarWidget):
    # constructor
    def __init__(self, parent = None):
        super(Calendar, self).__init__(parent)
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 QCalendarWidget object
        # as Calendar class inherits QCalendarWidget
        self.calendar = Calendar(self)
        # setting cursor
        # setting geometry to the calendar
        self.calendar.setGeometry(20, 20, 300, 240)
        # QRect object
        rect = QRect(10, 10, 200, 100)
        # creating a QRegion
        region = QRegion(rect)
        # setting mask to the calendar
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app

Output :

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