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PyQt5 QSpinBox – Editing Finished Signal

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In this article we will see how we can use the editing finished signal of the spin box, editing finished is the signal generated by the spin box when enter is pressed. We know we can ad action to the spin box when its value get changed but calling a method every time the value get changed is no required sometimes method should get called only when value is set and enter is pressed i.e editing is finished of spin box.

In order to do this we use editingFinished.connec method.

Syntax : spin_box.editingFinished.connect(method_name)

Argument : It takes method name as argument as argument

Action Performed : It calls the passed method every time editing is finished

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
class Window(QMainWindow):
    def __init__(self):
        # setting title
        self.setWindowTitle("Python ")
        # setting geometry
        self.setGeometry(100, 100, 600, 400)
        # calling method
        # showing all the widgets
        # 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, 150, 300, 70)
        # adding action when editing get finished
    # method called after editing finished
    def do_action(self):
        # getting current value of spin box
        current = self.spin.value()
        self.label.setText("Editing finished, final value : " + str(current))
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app

Output :

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Last Updated : 03 Jan, 2022
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