@GTK_SHADOW_ETCHED_IN: The outline has a sunken 3d appearance.
@GTK_SHADOW_ETCHED_OUT: The outline has a raised 3d appearance
-<!-- ##### ENUM GtkStateType ##### -->
-<para>
-This type indicates the current state of a widget; the state determines how
-the widget is drawn. The #GtkStateType enumeration is also used to
-identify different colors in a #GtkStyle for drawing, so states can be
-used for subparts of a widget as well as entire widgets.
-</para>
-
-@GTK_STATE_NORMAL: State during normal operation.
-@GTK_STATE_ACTIVE: State of a currently active widget, such as a depressed button.
-@GTK_STATE_PRELIGHT: State indicating that the mouse pointer is over
-the widget and the widget will respond to mouse clicks.
-@GTK_STATE_SELECTED: State of a selected item, such the selected row in a list.
-@GTK_STATE_INSENSITIVE: State indicating that the widget is
-unresponsive to user actions.
-
<!-- ##### ENUM GtkToolbarStyle ##### -->
<para>
Used to customize the appearance of a #GtkToolbar. Note that