f07fee538d
It's common to do actor.grab_key_focus() before the actor is mapped which means that we can't reliably determine where the actor is at notify::key-focus time and thus might end up showing the keyboard on the wrong monitor. This is happening, in particular, with the run dialog. Delaying until we hit the main loop allows us to know where the actor finally is before showing the OSK. https://bugzilla.gnome.org/show_bug.cgi?id=685856