gtk.gdk.DisplayManager — maintains a list of all open gtk.gdk.Display
objects
| class gtk.gdk.DisplayManager( | 
Functions
    def gtk.gdk.display_manager_get()This object is available in PyGTK 2.2 and above.
The gtk.gdk.DisplayManager
 is a singleton object that offers notification when displays appear or
 disappear or the default display changes. The global gtk.gdk.DisplayManager
 object is returned from the gtk.gdk.display_manager_get()
 function.
    def get_default_display()| Returns : | a gtk.gdk.Display,
	  orNoneif there is no default
	  display. | 
This method is available in PyGTK 2.2 and above.
The get_default_display() method
returns the default gtk.gdk.Display.
    def set_default_display(display)| 
 | a gtk.gdk.Display | 
This method is available in PyGTK 2.2 and above.
The set_default_display() method sets
the gtk.gdk.Display
specified by display as the default display.
    def list_displays()| Returns : | a list containing gtk.gdk.Displayobjects. | 
This method is available in PyGTK 2.2 and above.
The list_displays() method returns a
list containing all currently open displays.
    def gtk.gdk.display_manager_get()| Returns : | the singleton gtk.gdk.DisplayManagerobject. | 
This function is available in PyGTK 2.2 and above.
The gtk.gdk.display_manager_get()
method returns the global gtk.gdk.DisplayManager
singleton.
    def callback(displaymanager, display, user_param1, ...)| 
 | the displaymanager that received the signal | 
| 
 | the display that was opened | 
| 
 | the first user parameter (if any) specified
with the connect() | 
| 
 | additional user parameters (if any) | 
This signal is available in GTK+ 2.2 and above.
The "display-opened" signal is emitted when display is opened.