(in-package :gtk) (defcfun (window-group-add-window "gtk_window_group_add_window") :void (window-group (g-object window-group)) (window (g-object gtk-window))) (export 'window-group-add-window) (defcfun (window-group-remove-window "gtk_window_group_remove_window") :void (window-group (g-object window-group)) (window (g-object gtk-window))) (export 'window-group-remove-window)