In this article we will see how we can set the item role in combo box, by default when we create a combo box and add items to it no role is set to the items, in order to set this we will use setItemData method
Syntax : combo_box.setItemData(index, role)
Argument : It takes two argument one is integer i.e index or item and other is the string i.e role of item
Action performed : It will assign role to the item
Below is the implementation –
Python3
# importing librariesfrom PyQt5.QtWidgets import *from PyQt5 import QtCore, QtGuifrom PyQt5.QtGui import *from PyQt5.QtCore import *import sysclass 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, 120, 30) # geek list geek_list = ["Geek", "Geeky Geek", "Legend Geek", "Ultra Legend Geek"] # adding list of items to combo box self.combo_box.addItems(geek_list) # setting roles to the items self.combo_box.setItemData(0, "First role") self.combo_box.setItemData(1, "Second role") self.combo_box.setItemData(2, "Third role") self.combo_box.setItemData(3, "Fourth role")# create pyqt5 appApp = QApplication(sys.argv)# create the instance of our Windowwindow = Window()# start the appsys.exit(App.exec()) |
Output :
