d3c063f88c
Added new signal interface using boost::signals2 signalParamChanged. Exposed to Python as ParameterGrpPy.AttachManager() to monitor changes to all parameters, sub groups under the referring group. Added new attribute for ParameterGrp(Py) to query the Parent and Manager of the referring group.
84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
/***************************************************************************
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* Copyright (c) 2002 Jürgen Riegel <juergen.riegel@web.de> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Library General Public License (LGPL) *
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* as published by the Free Software Foundation; either version 2 of *
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* the License, or (at your option) any later version. *
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* for detail see the LICENCE text file. *
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* *
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* FreeCAD is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with FreeCAD; if not, write to the Free Software *
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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* USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <cassert>
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# include <iostream>
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#endif
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#include <QAtomicInt>
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#include "Handle.h"
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using namespace Base;
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//**************************************************************************
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// Construction/Destruction
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Handled::Handled()
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: _lRefCount(new QAtomicInt(0))
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{
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}
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Handled::~Handled()
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{
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if (static_cast<int>(*_lRefCount) != 0)
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std::cerr << "Reference counter of deleted object is not zero!!!!!" << std::endl;
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delete _lRefCount;
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}
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void Handled::ref() const
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{
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_lRefCount->ref();
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}
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void Handled::unref() const
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{
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assert(*_lRefCount > 0);
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if (!_lRefCount->deref()) {
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delete this;
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}
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}
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int Handled::unrefNoDelete() const
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{
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int res = _lRefCount->deref();
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assert(res>=0);
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return res;
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}
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int Handled::getRefCount() const
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{
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return static_cast<int>(*_lRefCount);
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}
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const Handled& Handled::operator = (const Handled&)
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{
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// we must not assign _lRefCount
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return *this;
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}
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