Guard urgency hint against being called on the wrong widget. Closes LP#1083243
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@ -1453,7 +1453,8 @@ class Terminal(gtk.VBox):
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"""Set the urgency hint for our window"""
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if self.config['urgent_bell'] == True:
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window = self.get_toplevel()
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window.set_urgency_hint(True)
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if window.flags() & gtk.TOPLEVEL:
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window.set_urgency_hint(True)
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if self.config['icon_bell'] == True:
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self.titlebar.icon_bell()
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