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import gobject
class MenuShell(gobject.GObject):
__gsignals__ = {
'activated': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([])),
'deactivated': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([])),
}
def __init__(self):
gobject.GObject.__init__(self)
self._menu_controller = None
def is_active(self):
return (self._menu_controller != None)
def set_active(self, controller):
if controller == None:
self.emit('deactivated')
else:
self.emit('activated')
if self._menu_controller:
self._menu_controller.popdown()
self._menu_controller = controller
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