KDE shadow

create(id: new_id<org_kde_kwin_shadow>, surface: object<wl_surface>)

unset(surface: object<wl_surface>)

destroy()

commit()

attach_left(buffer: object<wl_buffer>)

attach_top_left(buffer: object<wl_buffer>)

attach_top(buffer: object<wl_buffer>)

attach_top_right(buffer: object<wl_buffer>)

attach_right(buffer: object<wl_buffer>)

attach_bottom_right(buffer: object<wl_buffer>)

attach_bottom(buffer: object<wl_buffer>)

attach_bottom_left(buffer: object<wl_buffer>)

set_left_offset(offset: fixed)

set_top_offset(offset: fixed)

set_right_offset(offset: fixed)

set_bottom_offset(offset: fixed)

destroy()