Method undo

Qt/Python/pqPythonUndoCommand.cxx:49–54

-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------
void pqPythonUndoCommand::undo()
{
  this->swapImpl(this->LastHistoryEntry);
  this->TextLastHystoryEntry = this->LastHistoryEntry;
  this->Text.document()->setModified(true);
}

//-----------------------------------------------------------------------------
void pqPythonUndoCommand::redo()