Gtk-CRITICAL **: gtk_widget_event: assertion `WIDGET_REALIZED_FOR_EVENT (widget, event)' failed
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb6ea4770 in raise () from /lib/tls/i686/cmov/libc.so.6
#2 0xb6ea5ef3 in abort () from /lib/tls/i686/cmov/libc.so.6
#3 0xb7027122 in IA__g_logv (log_domain=<value optimized out>, log_level=G_LOG_LEVEL_CRITICAL, format=0xb70517bb "%s: assertion `%s' failed",
args1=0xbff6494c "=A\226�d'\226�@\r��\001") at gmessages.c:497
#4 0xb7027159 in IA__g_log (log_domain=0xb78afec1 "Gtk", log_level=G_LOG_LEVEL_CRITICAL, format=0xb70517bb "%s: assertion `%s' failed") at gmessages.c:517
#5 0xb702723b in IA__g_return_if_fail_warning (log_domain=0xb78afec1 "Gtk", pretty_function=0xb796413d "gtk_widget_event",
expression=0xb7962764 "WIDGET_REALIZED_FOR_EVENT (widget, event)") at gmessages.c:532
#6 0xb7877ab5 in IA__gtk_widget_event (widget=0x8db1db8, event=0x8a31900) at gtkwidget.c:3707
#7 0xb7883677 in IA__gtk_window_propagate_key_event (window=0x862c2a0, event=0x8a31900) at gtkwindow.c:4671
#8 0xb78866dc in gtk_window_key_press_event (widget=0x862c2a0, event=0x8a31900) at gtkwindow.c:4701
#9 0xb775fb00 in _gtk_marshal_BOOLEAN__BOXED (closure=0x8237158, return_value=0xbff64b60, n_param_values=2, param_values=0xbff64c3c,
invocation_hint=0xbff64b4c, marshal_data=0xb7886690) at gtkmarshalers.c:84
#10 0xb71b3fb9 in g_type_class_meta_marshal (closure=0x8237158, return_value=0xbff64b60, n_param_values=2, param_values=0xbff64c3c,
invocation_hint=0xbff64b4c, marshal_data=0xcc) at gclosure.c:567
#11 0xb71b579b in IA__g_closure_invoke (closure=0x8237158, return_value=0xbff64b60, n_param_values=2, param_values=0xbff64c3c, invocation_hint=0xbff64b4c)
at gclosure.c:490
#12 0xb71c61e3 in signal_emit_unlocked_R (node=0x8237228, detail=0, instance=0x862c2a0, emission_return=0xbff64dfc, instance_and_params=0xbff64c3c)
at gsignal.c:2478
#13 0xb71c6e7f in IA__g_signal_emit_valist (instance=0x862c2a0, signal_id=94, detail=0, var_args=<value optimized out>) at gsignal.c:2209
#14 0xb71c7279 in IA__g_signal_emit (instance=0x862c2a0, signal_id=94, detail=0) at gsignal.c:2243
#15 0xb78735f8 in gtk_widget_event_internal (widget=0x862c2a0, event=0x8a31900) at gtkwidget.c:3911
#16 0xb7758f2a in IA__gtk_propagate_event (widget=0x862c2a0, event=0x8a31900) at gtkmain.c:2185
#17 0xb775a0f7 in IA__gtk_main_do_event (event=0x8a31900) at gtkmain.c:1445
#18 0xb75e37ea in gdk_event_dispatch (source=0x820eca0, callback=0, user_data=0x0) at gdkevents-x11.c:2320
#19 0xb701e802 in IA__g_main_context_dispatch (context=0x820ece8) at gmain.c:2045
#20 0xb70217df in g_main_context_iterate (context=0x820ece8, block=1, dispatch=1, self=0x8159018) at gmain.c:2677
#21 0xb7021b89 in IA__g_main_loop_run (loop=0x842fa30) at gmain.c:2881
#22 0xb775a574 in IA__gtk_main () at gtkmain.c:1024
#23 0x0806aae3 in main (argc=2, argv=0xbff651b4) at main.c:382