Description GdkDisplay objects purpose are two fold: To grab/ungrab keyboard focus and mouse pointer To manage and provide information about the GdkScreen(s) available for this GdkDisplay GdkDisplay objects are the GDK representation of the X Display which can be described as a workstation consisting of a keyboard a pointing device (such as a mouse) and one or more screens. It is used to open and keep track of various GdkScreen objects currently instanciated by the application. It is also used to grab and release the keyboard and the mouse pointer.