Called to obtain the minimum and natural size of the widget,
if the widget does not have a layout manager.
Depending on the orientation parameter, the passed for_size can be
interpreted as width or height. A widget will never be allocated less
than its minimum size.
Called to obtain the minimum and natural size of the widget, if the widget does not have a layout manager. Depending on the orientation parameter, the passed for_size can be interpreted as width or height. A widget will never be allocated less than its minimum size.