G_CALLBACK (adjustment_changed_cb),
ev_sidebar_thumbnails);
gtk_box_pack_start (GTK_BOX (ev_sidebar_thumbnails), priv->swindow, TRUE, TRUE, 0);
G_CALLBACK (adjustment_changed_cb),
ev_sidebar_thumbnails);
gtk_box_pack_start (GTK_BOX (ev_sidebar_thumbnails), priv->swindow, TRUE, TRUE, 0);