How to Create Checkable ComboBox Widget | PyQt5 Tutorial

How to Create Checkable ComboBox Widget | PyQt5 Tutorial

In this PyQt5 tutorial, I will be covering how to insert a checkable QComboBox widget.

In this PyQt5 tutorial, I will be covering how to insert a checkable QComboBox widget.

What is PyQt?

PyQt is a library created by Riverbank based on the Qt framework to let you build desktop applications in Python. (An alternative is PySide2, by Qt the company itself).

Qt framework itself is written in C++, and the framework is also available in other programming languages, such as Java and C++. By using Python, we can build applications much more rapidly.

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Source Code:

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QComboBox, QPushButton, QVBoxLayout
from PyQt5.QtCore import Qt

class CheckableComboBox(QComboBox):
    def __init__(self):
        self._changed = False


    def setItemChecked(self, index, checked=False):
        item = self.model().item(index, self.modelColumn()) # QStandardItem object

        if checked:

    def handleItemPressed(self, index):
        item = self.model().itemFromIndex(index)

        if item.checkState() == Qt.Checked:
        self._changed = True

    def hidePopup(self):
        if not self._changed:
        self._changed = False

    def itemChecked(self, index):
        item = self.model().item(index, self.modelColumn())
        return item.checkState() == Qt.Checked

class MyApp(QWidget):
    def __init__(self):
        self.resize(500, 150)

        mainLayout = QVBoxLayout()

        self.combo = CheckableComboBox()

        for i in range(6):
            self.combo.addItem('Item {0}'.format(str(i)))
            self.combo.setItemChecked(i, False)

        btn = QPushButton('Print Values')


    def getValue(self):
        for i in range(self.combo.count()):
            print('Index: {0} is checked {1}'.format(i, self.combo.itemChecked(i)))

if __name__ == '__main__':
    app = QApplication(sys.argv)
        QWidget {
            font-size: 40px;

    myApp = MyApp()


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