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PyQt5 QCalendarWidget – Getting Maximum Size

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In this article we will see how we can get the maximum size of the QCalendarWidget. Maximum size of the calendar is that size after which it can’t be expanded any further, by default when we create a calendar inside the layout and when the window get extended or shrinks calendar size also increases and shrinks, therefore, there is need to set the maximum size. We can individually set maximum width and height with the help of setMaximumWidth and setMaximumHeight method respectively. We can set the maximum size to the calendar with the help of setMaximumSize method.

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

Syntax : calendar.maximumSize(size) 

Argument : It takes no argument 

Return : It return QSize object

Below is the implementation 

Python3

# 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)
        self.setMouseTracking(True)
 
 
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 layout
        layout = QVBoxLayout()
 
        # creating a QCalendarWidget object
        # as Calendar class inherits QCalendarWidget
        self.calendar = Calendar(self)
 
        # setting cursor
        self.calendar.setCursor(Qt.PointingHandCursor)
 
        # adding calendar to the layout
        layout.addWidget(self.calendar)
 
        # setting maximum size
        self.calendar.setMaximumSize(QSize(500, 400))
 
        # creating a label
        label = QLabel(self)
 
        # adding label to the layout
        layout.addWidget(label)
 
        # getting maximum size
        value = self.calendar.maximumSize()
 
        # setting text to the label
        label.setText("Maximum Size : " + str(value))
 
        # setting layout
        widget = QWidget()
        widget.setLayout(layout)
        self.setCentralWidget(widget)
 
 
 
 
# create pyqt5 app
App = QApplication(sys.argv)
 
# create the instance of our Window
window = Window()
 
# start the app
sys.exit(App.exec())

                    

Output :



Last Updated : 17 Feb, 2023
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