These are hints originally defined by the Motif toolkit. The window manager can use them when determining the functions to offer for the window. The hint must be set before mapping the window.

(define-g-flags "GdkWMFunction" gdk-wm-function
  (:export t
   :type-initializer "gdk_wm_function_get_type")
  (:all 1)
  (:resize 2)
  (:move 4)
  (:minimize 8)
  (:maximize 16)
  (:close 32))  

:all

All functions should be offered.

:resize

The window should be resizable.

:move

The window should be movable.

:minimize

The window should be minimizable.

:maximize

The window should be maximizable.

:close

The window should be closable.