def restoreState(self, state):
"""
Restore the toolbox from a :class:`QByteArray` `state`.
.. note:: The toolbox should already be populated for the state
changes to take effect.
"""
# In version 1 of saved state the state was saved in
# a simple dict repr string.
if isinstance(state, QByteArray):
stream = QDataStream(state, QIODevice.ReadOnly)
version = stream.readInt()
if version == 2:
expanded = stream.readQStringList()
for action in map(self.tabAction, range(self.count())):
if (action.text() in expanded) != action.isChecked():
action.trigger()
return True
return False
