PyQt5 ComboBox – Different border width when non-editable

In this article we will see how we can set different border width to the combo box when combo box is in the non-editable state, when we set border to the combo box it is of same width for all the sides although we can change width of each sides respectively, border with different width will only appear when combo box is non-editable else it will show normal border. Editable combo box can be created with the help of setEditable method.

In order to do so we have to change the style sheet associated with the combo box below is the style sheet code
Code 1

QComboBox::!editable
{
border : solid black;
border-width-top : 1px;
border-width-right : 5px;
border-width-bottom : 2px;
border-width-left : 10px;
}

Code 2

QComboBox::!editable
{
border : solid black;
border-width : 1px 5px 2px 10pxk
}

Both code perform similar task just code 1 is extended version of code 2.

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 a check-able combo box object
        self.combo_box = QComboBox(self)
  
        # setting geometry of combo box
        self.combo_box.setGeometry(200, 150, 150, 80)
  
        # amking combo box editable
        # self.combo_box.setEditable(True)
  
        # 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
        # adding border to combo box
        # adding different width border when it is non-editable
        self.combo_box.setStyleSheet("QComboBox"
                                     "{"
                                     "border : 5px solid black;"
                                     "}"
                                     "QComboBox::! editable"
                                     "{"
                                     "border : solid black;"
                                     "border-width : 1px 5px 2px 10px;"
                                     "}")
  
  
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
window.show()
  
# start the app
sys.exit(App.exec())

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Output :

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