import gtk, gobject
	
def on_button_key_press (button, event):
	popup.show_all () # Just make sure the popup is shown, quick and dirty
	print "Button Key Press"
	focus_event = gtk.gdk.Event (gtk.gdk.FOCUS_CHANGE)
	focus_event.in_ = True
	popup.emit ("focus-in-event", focus_event)
	
	popup.event (event)


win = gtk.Window ()
popup = gtk.Window (gtk.WINDOW_POPUP)

button = gtk.Button ("Just start typing!")
button.connect ("key-press-event", on_button_key_press)
win.connect ("destroy", gtk.main_quit)
entry = gtk.Entry ()

win.add (button)
popup.add (entry)

win.show_all ()

gtk.main ()