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123 lines
4.0 KiB
C++
123 lines
4.0 KiB
C++
/*=========================================================================
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Program: ParaView
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Module: pqSelectionManager.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 pqSelectionManager_h
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#define pqSelectionManager_h
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#include "pqComponentsModule.h"
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#include <QObject>
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#include <QPair>
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#include "vtkType.h"
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class pqOutputPort;
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class pqPipelineSource;
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class pqRenderView;
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class pqSelectionManagerImplementation;
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class pqServerManagerModelItem;
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class pqView;
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class vtkDataObject;
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class vtkSelection;
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class vtkSMClientDeliveryRepresentationProxy;
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class vtkSMProxy;
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class vtkSMSession;
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class vtkSMSourceProxy;
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/// pqSelectionManager is the nexus for introspective surface selection in
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// paraview.
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/// It responds to UI events to tell the servermanager to setup for making
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/// selections. It watches the servermanager's state to see if the selection
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/// parameters are changed (either from the UI or from playback) and tells
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/// the servermanager to perform the requested selection.
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/// It is also the link between the server manager level selection and the
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/// GUI, converting servermanager selection result datastructures into pq/Qt
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/// level selection datastructures so that all views can be synchronized and
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/// show the same selection in their own manner.
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class PQCOMPONENTS_EXPORT pqSelectionManager : public QObject
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{
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Q_OBJECT
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public:
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pqSelectionManager(QObject* parent=NULL);
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virtual ~pqSelectionManager();
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/// Returns the first currently selected pqOutputPort, if any.
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pqOutputPort* getSelectedPort() const;
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/// Return all currently selected pqOutputPort as a QSet,
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/// or an empty QSet if there aren't any
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const QSet<pqOutputPort*>& getSelectedPorts() const;
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/// Return true if there is at least one currently selected pqOutputPort
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/// false otherwise
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bool hasActiveSelection() const;
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signals:
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/// Fired when the selection changes. Argument is the pqOutputPort (if any)
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/// that was selected. If selection was cleared then the argument is NULL.
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void selectionChanged(pqOutputPort*);
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public slots:
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/// Clear selection on a pqOutputPort.
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/// Calling the method without arguments or with null
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/// will clear all selection
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void clearSelection(pqOutputPort* outputPort = NULL);
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/// Used to keep track of active render module
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void setActiveView(pqView*);
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/// Updates the selected port.
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void select(pqOutputPort*);
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private slots:
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/// Called when pqLinkModel create a link,
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/// to update the selection
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void onLinkAdded(int linkType);
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/// Called when pqLinkModel remove a link,
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/// to update the selection
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void onLinkRemoved();
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/// Called when server manager item is being deleted.
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void onItemRemoved(pqServerManagerModelItem* item);
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protected:
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void onSelect(pqOutputPort*,bool forceGlobalIds);
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private:
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pqSelectionManagerImplementation* Implementation;
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//helpers
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void selectOnSurface(int screenRectange[4]);
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};
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#endif
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