Menus, Combo Box, Toolbar

GtkComboBox - A widget used to choose from a list of items
GtkComboBoxEntry - A text entry field with a dropdown list
GtkMenu - A menu widget
GtkMenuBar - A subclass widget for GtkMenuShell which holds GtkMenuItem widgets
GtkMenuItem - The widget used for item in menus
GtkMenuShell - A base class for menu objects
GtkImageMenuItem - A menu item with an icon
GtkRadioMenuItem - A choice from multiple check menu items
GtkCheckMenuItem - A menu item with a check box
GtkSeparatorMenuItem - A separator used in menus
GtkTearoffMenuItem - A menu item used to tear off and reattach its menu
GtkToolbar - Create bars of buttons and other widgets
GtkToolItem - The base class of widgets that can be added to GtkToolbar
GtkSeparatorToolItem - A toolbar item that separates groups of other toolbar items
GtkToolButton - A GtkToolItem subclass that displays buttons
GtkMenuToolButton - A GtkToolItem containing a button with an additional dropdown menu
GtkToggleToolButton - A GtkToolItem containing a toggle button
GtkRadioToolButton - A toolbar item that contains a radio button