+ self._previousUnitAction = QtGui.QAction(None)
+ self._previousUnitAction.setText("Previous Unit")
+ self._previousUnitAction.setShortcut(QtGui.QKeySequence("Up"))
+ self._previousUnitAction.triggered.connect(self._on_previous_unit)
+
+ self._nextUnitAction = QtGui.QAction(None)
+ self._nextUnitAction.setText("Next Unit")
+ self._nextUnitAction.setShortcut(QtGui.QKeySequence("Down"))
+ self._nextUnitAction.triggered.connect(self._on_next_unit)
+