gdk-window-accept-focus (window)

window -- a toplevel gdk-window object
accept-focus -- true if window should receive input focus

Determines whether or not the desktop environment should be hinted that the window does not want to receive input focus. Setting accept-focus to false hints the desktop environment that the window does not want to receive input focus.

On X, it is the responsibility of the window manager to interpret this hint. ICCCM-compliant window manager usually respect it.