gtk-window-gravity (object)

object -- a gtk-window widget
gravity -- a window gravity of the gdk-gravity enumeration

Accessor of the gravity slot of the gtk-window class.

Window gravity defines the meaning of coordinates passed to the gtk-window-move function. See the gtk-window-move function and the gdk-gravity enumeration for more details.

The default window gravity is :north-west which will typically "do what you mean".