Add row to Form Layout

Question

code:

import sys
from PySide.QtCore import *
from PySide.QtGui import *

def main():
    app = QApplication(sys.argv)
    main = QMainWindow()
    main.setWindowTitle("First GUI")
    form_widget = QWidget()
    form_widget.layout = QFormLayout()
    form_widget.layout.addRow(QLabel("city 1"), QLabel("delhi"))
    form_widget.layout.addRow(QLabel("city 2"), QLabel("chennai"))
    main.setCentralWidget(form_widget)

    main.show()
    sys.exit(app.exec_())

if __name__ == '__main__':
    main()

Above code opened an empty window with "First GUI" as title.

But rows were not added to that window. Why ? How to correct this ?

Style nitpick: addRow doesn't need the explicit instantiation of QLabel for the first argument. You can invoke it simply as form_widget.layout.addRow("city 1", QLabel("delhi")). — Kuba hasn't forgotten Monica
– Kuba hasn't forgotten Monica, Commented Aug 7, 2014 at 1:12
@folibis The whole point of layouts is that you don't need to explicitly deal with their sizing. — Kuba hasn't forgotten Monica
– Kuba hasn't forgotten Monica, Commented Aug 7, 2014 at 1:12

user3419537 · Accepted Answer · 2014-08-06 12:22:44Z

3

You need to use setLayout() to assign the layout to the widget.

form_widget = QWidget()
layout = QFormLayout()
layout.addRow(QLabel("city 1"), QLabel("delhi"))
layout.addRow(QLabel("city 2"), QLabel("chennai"))
form_widget.setLayout(layout)

answered Aug 6, 2014 at 12:22

user3419537

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Kuba hasn't forgotten Monica Over a year ago

Alternatively, pass the form_widget as argument to QFormLayout. It saves one line of code - the setLayout call is not needed anymore.

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