Form layout: two columns, with field descriptions on the left and controls on the right.
Creates a QFormLayout and installs it as the parent widget's layout.
Optional
Parent widget.
Adds a form row containing a label and a field.
Label widget, usually QLabel.
Field widget.
Adds a widget as a separate row spanning the full form width.
Widget.
Form layout: two columns, with field descriptions on the left and controls on the right.