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PyQt5 QDoubleSpinBox – Getting Decimal Precision

  • Last Updated : 28 Jul, 2020

In this article we will see how we can get the decimal precision of the QDoubleSpinBox. By default decimal precision of double spin box is 2 although we can change it any time with the help of setDecimals method. Decimal precision is the number of digits to the right of the decimal point in a number. For example, the number 123.45 has a decimal precision of 2.

In order to do this we will use decimals method with the double spin box object.

Syntax : dd_spin.decimals()

Argument : It takes no argument

Return : It returns integer



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):
        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 double spin box
        d_spin = QDoubleSpinBox(self)
  
        # setting geometry to the double spin box
        d_spin.setGeometry(100, 100, 150, 40)
  
        # setting decimal precision
        d_spin.setDecimals(4)
  
        # step type
        step_type = QAbstractSpinBox.AdaptiveDecimalStepType
  
        # adaptive step type
        d_spin.setStepType(step_type)
  
        # creating a label
        label = QLabel("GeeksforGeeks", self)
  
        # setting geometry to the label
        label.setGeometry(100, 200, 300, 80)
  
        # making label multi line
        label.setWordWrap(True)
  
        # getting decimal precision
        value = d_spin.decimals()
  
        # setting text to the label
        label.setText("Decimal Precision : " + str(value))
  
  
  
  
  
# 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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