The outline is bevelled outwards like a button. 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. State during normal operation. State of a currently active widget, such as a depressed button. Note that setting the toolbar style overrides the user's preferences for the default toolbar style.
Buttons display only text labels in the toolbar.
Buttons display text and icons in the toolbar. Windows should be placed at the current mouse position. A regular window, such as a dialog. Determines the direction of a sort.