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84 lines
3.2 KiB
C++
84 lines
3.2 KiB
C++
/*=========================================================================
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Program: ParaView
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Module: pq3DWidgetFactory.h
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Copyright (c) 2005-2008 Sandia Corporation, Kitware Inc.
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All rights reserved.
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ParaView is a free software; you can redistribute it and/or modify it
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under the terms of the ParaView license version 1.2.
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See License_v1.2.txt for the full ParaView license.
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A copy of this license can be obtained by contacting
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Kitware Inc.
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28 Corporate Drive
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Clifton Park, NY 12065
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USA
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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=========================================================================*/
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#ifndef pq3DWidgetFactory_h
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#define pq3DWidgetFactory_h
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#include "pqCoreModule.h"
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#include <QObject>
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class pq3DWidgetFactoryInternal;
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class pqServer;
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class vtkSMNewWidgetRepresentationProxy;
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class vtkSMProxy;
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/// This is 3DWidget Factory. One can request a 3D widget of any type
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/// from this class on the given server. If a 3D widget is available,
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/// it will be reused, and marked \c in-use. When the caller is done
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/// using the 3D widget, it must call free3DWidget(), which makes
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/// the widget available for reuse.
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class PQCORE_EXPORT pq3DWidgetFactory : public QObject
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{
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Q_OBJECT
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public:
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pq3DWidgetFactory(QObject* parent=NULL);
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virtual ~pq3DWidgetFactory();
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/// Use this method to obtain a 3D widget of the given
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/// \c name on the given \c server. If no 3D widget is available,
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/// a new one will be created on the server and returned. The caller
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/// can call free3DWidget() when it is done with the 3D Widget, that
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/// way it can be used by others.
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vtkSMNewWidgetRepresentationProxy* get3DWidget(const QString& name,
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pqServer* server, vtkSMProxy *referenceProxy = 0);
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/// Call this method when done with using a 3D widget, this makes
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/// the 3DWidget available for reuse.
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void free3DWidget(vtkSMNewWidgetRepresentationProxy* widget);
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private slots:
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/// When the 3D widget proxy is unregistered, we must release the internal
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/// reference as well. Eventually, once this class starts using pqProxy
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/// objects to manage the 3D widget proxies, the pqProxy objects will
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/// deleted by the pqServerManagerModel, thus letting go for the vtkSMProxy
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/// reference. This class will keep QPointers to the pqProxy objects,
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/// hence there will be no dangling pointers. But until then, just
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/// notice every unregister event and do the cleanup.
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void proxyUnRegistered(QString group, QString name, vtkSMProxy* proxy);
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protected:
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pq3DWidgetFactoryInternal* Internal;
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};
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#endif
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