GTK+ Reference Manual
Action-based menus and toolbars
GtkUIManager
- Constructing menus and toolbars from an XML description
GtkActionGroup
- A group of actions
GtkAction
- An action which can be triggered by a menu or toolbar item
GtkToggleAction
- An action which can be toggled between two states
GtkRadioAction
- An action of which only one in a group can be active
