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94 lines
2.8 KiB
C++
94 lines
2.8 KiB
C++
/*=========================================================================
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Program: ParaView
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Module: $RCSfile$
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Copyright (c) 2005,2006 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 vtkVRQueueHandler_h
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#define vtkVRQueueHandler_h
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#include <QtCore/QObject>
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#include <QtCore/QPointer>
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class vtkVRInteractorStyle;
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class vtkVRQueue;
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class vtkPVXMLElement;
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class vtkSMProxyLocator;
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/// pqVRQueueHandler is a class that process events stacked on to vtkVRQueue
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/// one by one. One adds vtkVRInteractorStyles to the handler to do any actual
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/// work with these events.
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class pqVRQueueHandler : public QObject
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{
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Q_OBJECT
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typedef QObject Superclass;
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public:
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pqVRQueueHandler(vtkVRQueue* queue, QObject* parent=0);
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virtual ~pqVRQueueHandler();
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/// Add/remove interactor style.
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void add(vtkVRInteractorStyle* style);
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void remove(vtkVRInteractorStyle* style);
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void clear();
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QList<vtkVRInteractorStyle*> styles();
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static pqVRQueueHandler* instance();
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public slots:
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/// start/stop queue processing.
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void start();
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void stop();
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/// clears current interactor styles and loads a new set of styles from the
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/// XML configuration.
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void configureStyles(vtkPVXMLElement* xml, vtkSMProxyLocator* locator);
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/// saves the styles configuration.
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void saveStylesConfiguration(vtkPVXMLElement* root);
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signals:
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void stylesChanged();
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protected slots:
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/// called to processes events from the queue.
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void processEvents();
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private:
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Q_DISABLE_COPY(pqVRQueueHandler);
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void render();
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class pqInternals;
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pqInternals* Internals;
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friend class pqVRStarter;
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static void setInstance(pqVRQueueHandler*);
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static QPointer<pqVRQueueHandler> Instance;
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};
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#endif
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