else if (! pw_dialog_input_is_valid (operation))
gtk_dialog_set_response_sensitive (dialog, GTK_RESPONSE_OK, FALSE);
g_object_notify (G_OBJECT (operation), "is-showing");
else if (! pw_dialog_input_is_valid (operation))
gtk_dialog_set_response_sensitive (dialog, GTK_RESPONSE_OK, FALSE);
g_object_notify (G_OBJECT (operation), "is-showing");