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PyQt5 – Get the root model index of ComboBox

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  • Last Updated : 22 Apr, 2020
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In this article we will see how we can get the root model index of the combo box. Root model index can be set/changed with the help of setRootModelIndex method, this sets the root model index for the items of the combo box, in order to get the root model index we use rootModelIndex method.

Syntax : combo_box.rootModelIndex()

Argument : It takes no argument

Return : It returns QModelIndex object

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 combo box widget
        self.combo_box = QComboBox(self)
        # setting geometry of combo box
        self.combo_box.setGeometry(200, 150, 150, 30)
        # creating a model
        model = QtGui.QStandardItemModel(0, 1)
        # creating a item
        item = QtGui.QStandardItem("New model")
        # adding item to the model
        # setting model to the combo box
        # geek list
        geek_list = ["Sayian", "Super Saiyan", "Super Sayian 2",
                                               "Super Sayian B"]
        # making it editable
        # adding list of items to combo box
        # getting root model index
        root_index = self.combo_box.rootModelIndex()
        # creating label to show root model index
        label = QLabel("R.M.I = " + str(root_index), self)
        # setting geometry to the label
        label.setGeometry(200, 100, 300, 30)
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app

Output :

My Personal Notes arrow_drop_up
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