The #GtkAspectFrame is useful when you want
pack a widget so that it can resize but always retains
the same aspect ratio. For instance, one might be
drawing a small preview of a larger image. #GtkAspectFrame
derives from #GtkFrame, so it can draw a label and
a frame around the child. The frame will be
“shrink-wrapped” to the size of the child.
The #GtkAspectFrame is useful when you want pack a widget so that it can resize but always retains the same aspect ratio. For instance, one might be drawing a small preview of a larger image. #GtkAspectFrame derives from #GtkFrame, so it can draw a label and a frame around the child. The frame will be “shrink-wrapped” to the size of the child.
CSS nodes
GtkAspectFrame uses a CSS node with name frame.