GtkBox

A container that arranges children in a single row or column.

Preview

box[.horizontal|.vertical]

Prop

Type

Class	Effect
`.horizontal`	Horizontal layout (default)
`.vertical`	Vertical layout
`.homogeneous`	Equal space for all children
`.linked`	Visually join children (e.g. button groups)

GtkActionBar

A bar at the bottom with start, center, and end children.

GtkButton

A widget that emits a signal when clicked.