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PyQt5 QSpinBox – Finding child through position
  • Last Updated : 17 May, 2020

In this article we will see how we can get the child of the spin box at the given position inside the spin box, child are basically the component of the spin box, for example, the spin box main child is its QLineEdit which is used to see the value and set the value.

In order to do this we use childAt method.

Syntax : spin_box.childAt(x, y)

Argument : It takes position as argument it can be x, y co-ordinates or the QPoint object

Return : It returns child at given position if there is no child it return None



Note : The co-ordinates are not of the window co-ordinate system they are in spin box co-ordinate system

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
  
  
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 spin box
        self.spin = QSpinBox(self)
  
        # setting geometry to spin box
        self.spin.setGeometry(100, 100, 250, 40)
  
        # setting prefix to spin
        self.spin.setPrefix("Prefix ")
  
        # setting suffix to spin
        self.spin.setSuffix(" Suffix")
  
        # creating a label
        self.label = QLabel("Label ", self)
  
        # setting geometry to the label
        self.label.setGeometry(100, 200, 200, 70)
  
        # getting the child at the point 10, 10
        child = self.spin.childAt(10, 10)
  
        # setting text to the label
        self.label.setText(str(child))
  
        # making label multi line
        self.label.setWordWrap(True)
  
  
  
# 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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Output :

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