Layout Containers

GtkGrid — Pack widgets in a rows and columns
GtkAlignment — A widget which controls the alignment and size of its child
GtkAspectFrame — A frame that constrains its child to a particular aspect ratio
GtkBox — A container box
GtkButtonBox — A container for arranging buttons
GtkFixed — A container which allows you to position widgets at fixed coordinates
GtkPaned — A widget with two adjustable panes
GtkLayout — Infinite scrollable area containing child widgets and/or custom drawing
GtkNotebook — A tabbed notebook container
GtkStack — A stacking container
GtkStackSwitcher — A controller for GtkStack
GtkExpander — A container which can hide its child
GtkRevealer — Hide and show with animation
GtkOverlay — A container which overlays widgets on top of each other
GtkHeaderBar — A box with a centered child
GtkOrientable — An interface for flippable widgets