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PyQt5 ComboBox – Different border color when it is non-editable and on state

Last Updated : 03 May, 2020
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In this article we will see how we can set different border color to the combo box when it is non-editable and on state, when we set border to the combo box it is of same color for all the sides although we can change color of each sides respectively. Colorful border will only appear combo box is non-editable and item view is opened.

Note : Combo box can be made editable 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 stylesheet code.
Code 1

border : 5px solid;
border-color-top : red;
border-color-right : green;
border-color-bottom : blue;
border-color-left : yellow;

Code 2

border : 5px solid;
border-color : red green blue yellow

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

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 a check-able combo box object
        self.combo_box = QComboBox(self)
        # setting geometry of combo box
        self.combo_box.setGeometry(200, 150, 150, 80)
        # making 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
        # setting style sheet
        # adding border to combo box
        # adding different width border when 
        # it is non-editable and in on state
                                     "border : 5px solid black;"
                                     "QComboBox::! editable:on"
                                     "border : 5px solid;"
                                     "border-color : red green blue yellow"
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app

Output :

When item view is opened

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