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creating ConfigScreenChangedEmitter singleton to encapsulate debounced screen change emitter; simplifying main_window's screen_changed warning modal condition
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@ -444,6 +444,3 @@ class ConfigScreenChangedEmitter(metaclass=Singleton):
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def __do_emit_config_screen_changed(self):
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Registry().execute('config_screen_changed')
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def __del__(self):
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self.timer.stop()
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