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PyQt5 – Add border to lineedit part of non editable ComboBox

Last Updated : 04 May, 2020
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In this article we will see how we can set border to the line edit part of the non editable combo box. Line edit part is the part of combo box which displays the selected item, it is editable by nature. In order to set and access the line edit object we use setLineEdit and lineEdit method respectively.

Note : When we add line edit object to the combo box, it make the combo box editable therefore there is a need to make line edit object noneditable.

In order to do this we have to do the following :

1. Create a combo box
2. Add item to the combo box
3. Create a QLineEdit object
4. Make line edit object non editable
5. Set border to the QLineEdit object
6. Add QLineEdit object to the combo box

Syntax :

# creating line edit object
line_edit = QLineEdit()

# making line edit non editable
line_edit.setReadOnly(True)

# setting border to the line edit
line_edit.setStyleSheet("QLineEdit"
                        "{"
                        "border : 2px solid green;"
                        "}")

# adding line edit object to the combo box
self.combo_box.setLineEdit(line_edit)

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)
  
        # creating line edit object
        line_edit = QLineEdit()
  
        # making line edit non editable
        line_edit.setReadOnly(True)
  
        # setting border to the line edit 
        line_edit.setStyleSheet("QLineEdit"
                                "{"
                                "border : 2px solid green;"
                                "}")
  
        # adding line edit object to the combo box
        self.combo_box.setLineEdit(line_edit)
  
  
# 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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