Pyside6 get index of dynamically created widget

Question

I’ve written this simple script(for concept understanding) to better understand how to handle/manage dynamically created combo boxes.

So in this example, we have a total of 5 dynamically created combo boxes, each containing a list of 3 variables.

When selecting any variable the function comboFunction is run.

What I want to understand, is:

How can I retrieve the index of the combo box being selected
The index of the variable being selected.

And print in the comboFunction the index of the Combobox and the variable.

For example in the screenshot below, I selected the combo box at index 0 and the variable at index 0.

import sys

from PySide6 import  QtWidgets


class MyWidget(QtWidgets.QWidget):
    def __init__(self):
        super().__init__()
        
        self.layout = QtWidgets.QGridLayout(self)
        self.lists = ["1","2","3"]
        
        for i in range(5):
            
            self.combobox = QtWidgets.QComboBox(self)
            self.combobox.addItems(self.lists)
            self.layout.addWidget(self.combobox, i,0)
            self.combobox.currentIndexChanged.connect(self.comboFunction)

    def comboFunction(self):
        print("hello world")



if __name__ == "__main__":
    app = QtWidgets.QApplication([])

    widget = MyWidget()
    widget.resize(800, 600)
    widget.show()

    sys.exit(app.exec())

Asked By: Nicolantonio De Bari

||

Source

Answer 1

A simple way would be to add its number as an attribute and read it later:

class MyWidget(QtWidgets.QWidget):
    def __init__(self):
        super().__init__()

        self.layout = QtWidgets.QGridLayout(self)
        self.lists = ["1", "2", "3"]

        for i in range(5):
            self.combobox = QtWidgets.QComboBox(self)
            self.combobox.id_number = i
            self.combobox.addItems(self.lists)
            self.layout.addWidget(self.combobox, i, 0)
            self.combobox.currentIndexChanged.connect(self.comboFunction)

    def comboFunction(self, idx):
        combo = self.sender()
        print(f"Selected the variable {idx} from combo {combo.id_number}")


if __name__ == "__main__":
    app = QtWidgets.QApplication([])

    widget = MyWidget()
    widget.resize(800, 600)
    widget.show()

    sys.exit(app.exec_())

Answered By: noEmbryo

Pyside6 get index of dynamically created widget

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