Comment from: Adam Lydick <lydickaw (at) ruffledpenguin (dot) org> LB paints itself in the center of the logical screen. This is a bummer on dual monitors, because the center of the logical screen has a 3cm air-and-plastic gap that makes it a little difficult to see. Solution: Look at how gnome-session implements centering their logout dialog. A quick hack that got things working for me (but is somewhat lame, because it hardcodes which monitor to use) follows. (windows_update_background() in lb-window.c) // broken for multimon //screen_width = gdk_screen_get_width (screen); //screen_height = gdk_screen_get_height (screen); //FIXME: HACK: pick the "default" monitor instead of hardcoding //NOTE: "geometry is a GdkRectangle gdk_screen_get_monitor_geometry(screen, 0 /* monitor# */, &geometry); x = geometry.width / 2 - width / 2; y = geometry.height / 2 - height / 2;