PyQt5 QCalendarWidget – Setting Start Timer

In this article we will see how we can set the start timer of the QCalendarWidget. In order to do this we use startTimer method, this method calls the timerEvent after the certain interval is passed. It starts a timer and returns a timer identifier, or returns zero if it could not start a timer.

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

Syntax : calendar.startTimer(milliseconds)

Argument : It takes integer as argument i.e interval time in milliseconds

Return : It return integer



Note : In order to use the startTimer we have to override the timerEvent

Below is the implementation

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# 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)
  
    # overriding the timer event
    def timerEvent(self, event):
  
        # show the next month
        window.calendar.showNextMonth()
  
  
class Window(QMainWindow):
  
    def __init__(self):
        super().__init__()
  
        # setting title
        self.setWindowTitle("Python ")
  
        # setting geometry
        self.setGeometry(100, 100, 650, 400)
  
        # calling method
        self.UiComponents()
  
        # showing all the widgets
        self.show()
  
    # method for components
    def UiComponents(self):
  
        # creating a QCalendarWidget object
        # as Calendar class inherits QCalendarWidget
        self.calendar = Calendar(self)
  
        # setting geometry to the calender
        self.calendar.setGeometry(50, 10, 400, 250)
  
        # setting cursor
        self.calendar.setCursor(Qt.PointingHandCursor)
  
        # starting the calendar timer
        # passing 1000 milliseconds as parameter
        timer_id = self.calendar.startTimer(1000)
  
        # creating label to show the properties
        self.label = QLabel(self)
  
        # setting geometry to the label
        self.label.setGeometry(100, 280, 250, 60)
  
        # making label multi line
        self.label.setWordWrap(True)
  
        # setting text to the label
        self.label.setText("Timer ID : " + str(timer_id))
  
  
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# start the app
sys.exit(App.exec())

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