'Resets the button to its original text and style. Threadsafe.'

def reset(self):

    isGuiThread = (QtCore.QThread.currentThread() == QtCore.QCoreApplication.instance().thread())
    if isGuiThread:
        self.limitedTime = True
        self.setText()
        self.setToolTip()
        self.setStyleSheet()
    else:
        self.sigReset.emit()
