intercept key press

["vivi popo" <vivwork hotmail com>]

hi people out there !
in my program i want to close a dialog when the user presses the "Esc" 
button
i tried to do that by connecting the signal "key-press-event" to the dialog
here is the test function i use

gboolean on_dialog_key_press_event (GtkWidget dial, GdkEventKey *key, 
gpointer usrdata)
{
        if (key->keyval == GDK_Escape) printf ("escape\n");
        return false;
}

the thing is that the test fails because the content of "key" does not seem 
to be set
it is the same for the event "key-release-event"
can someone tell me more about this lack ?

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