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PyQt5 – How to create and get the help text of Push Button ?
  • Last Updated : 22 Apr, 2020

PyQt5 offers us to set the help the text for the push button, help text is the raw information about the push button i.e this button perform what function, how it is linked with the source etc. In this article we will see how to create and get the help text of Push Button.

In order to do this we will use setWhatsThis method to create help text and whatsThis method to get the help text.

Syntax :

button.setWhatsThis(help_text)
button.whatsThis()

Argument :
setWhatsThis takes string as a argument.
whatsThis takes no argument.

Return :
setWhatsThis returns None.
whatsThis returns string.



Code :




# importing libraries
from PyQt5.QtWidgets import * 
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 a push button
        button = QPushButton("CLICK", self)
  
        # setting geometry of button
        button.setGeometry(200, 150, 100, 40)
  
        # adding action to a button
        button.clicked.connect(self.clickme)
  
        # creating the help text
        button.setWhatsThis("this is a push button \
                          linked to clickme function")
  
        # getting the help text
        help = button.whatsThis()
  
        # creating label to print help text
        label = QLabel(help, self)
        label.adjustSize()
        label.move(200, 200)
  
    # action method
    def clickme(self):
  
  
        # printing pressed
        print("pressed")
  
# 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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