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trstring = QtGui.QApplication.translate("MainWindow", string.strip(), None, QtGui.QApplication.UnicodeUTF8)
enum Qt::ConnectionType
This enum describes the types of connection that can be used between signals and slots. In particular, it determines whether a particular signal is delivered to a slot immediately or queued for delivery at a later time.
Qt::DirectConnection — When emitted, the signal is immediately delivered to the slot.
Qt::QueuedConnection — When emitted, the signal is queued until the event loop is able to deliver it to the slot.
Qt::AutoConnection — If the signal is emitted from the thread in which the receiving object lives, the slot is invoked directly, as with Qt::DirectConnection; otherwise the signal is queued, as with Qt::QueuedConnection.
Разговариваем про PyQt4 — Посиделка вторая