PyQt5 – Adjust the size of push button according to the text

PyQt5 - How to adjust size of ComboBox according to the items size

Last Updated : 25 Apr, 2025

In this article we will see how we can adjust the combo box according to the size of item which has maximum size among the item list. By default we use setGeometry method and setSize method to adjust the size but it will not automatically adjust the size according to the item size. In order to adjust the size according to the maximum length item size we use adjustSize method

Syntax : combo_box.adjustSize() Argument : It takes no argument Return : None

Below is the implementation -

Python3

# 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 a combo box widget
        self.combo_box = QComboBox(self)

        # setting geometry of combo box
        self.combo_box.setGeometry(200, 150, 200, 50)

        # geek list
        geek_list = ["Sayian", "Super Saiyan", "Super Sayian 2", "Super Sayian Blue"]

        # making it editable
        self.combo_box.setEditable(True)

        # adding list of items to combo box
        self.combo_box.addItems(geek_list)

        # adjusting the size according to the maximum sized element
        self.combo_box.adjustSize()



# create pyqt5 app
App = QApplication(sys.argv)

# create the instance of our Window
window = Window()

# start the app
sys.exit(App.exec())

Output :

PyQt5 – Adjust the size of push button according to the text

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rakshitarora

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