Sets the current action for this button to the inputed action.
        
        :param      action | <QAction> || <str>

def setCurrentAction(self, action):
        """
        Sets the current action for this button to the inputed action.
        
        :param      action | <QAction> || <str>
        """
        self._actionGroup.blockSignals(True)
        for act in self._actionGroup.actions():
            act.setChecked(act == action or act.text() == action)
        self._actionGroup.blockSignals(False)