Wed May 24 12:57:32 2006  Søren Sandmann  <sandmann@redhat.com>

        * src/c-window.c (meta_comp_window_free): return TRUE when the
        window is actually freed.

        * src/compositor.c (do_effect): Disable updating before exploding
        the window.

        * src/c-window.c: Make MetaCompWindow refcounted.

        * src/c-window.[ch]: New functions meta_comp_window_{show,hide}

        * src/c-screen.c (meta_comp_screen_unmap): Call
        meta_comp_window_hide() instead of directly setting the viewable
        status of the node.

        * src/c-screen.c (meta_comp_screen_remove_window): Only remove the
        window when it is actually freed.