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PyQt5 – Adding border to drop arrow of Combo Box
  • Last Updated : 04 May, 2020

In this article we will see how we can can border to the drop arrow of the combo box. Drop arrow is basically a push button which when get pressed opens the list view. Below is the representation of normal combo box vs the combo box whose drop arrow are having border.

In order to do so we have to change the style sheet associated with the combo box, below is the style sheet code

QComboBox::drop-arrrow
{
border : 2px solid green;
}

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, 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, 150, 30)
  
        # geek list
        geek_list = ["Sayian", "Super Sayian", "Super Sayian 2", "Super Sayian B"]
  
        # adding list of items to combo box
        self.combo_box.addItems(geek_list)
  
        # setting style sheet code of combo box
        # adding border to the drop arrow
        self.combo_box.setStyleSheet("QComboBox::down-arrow"
                                     "{"
                                     "border : 2px solid green;"
                                     "}")
  
  
# 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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