This is an abstract base class that provides general functionality for script interface layout components.
Holds the common width (in pixels) of the outside border between the items in this layout and the parent. If the width of the boarder is not common for each edge, this value will be -1. Setting this value sets a common width for each edge.
Holds the spacing (in pixels) between the items in this layout.
Exists only to keep old code working. Do not use in new code. To add a child widget use the addWidget() function provided by the relevant subclass. To add a child layout, use the addLayout() function provided by the relevant subclass.
Holds whether or not children of the parent widget are automatically added to the layout.