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104 lines
3.3 KiB
C++
104 lines
3.3 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 pqQVTKWidget_h
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#define pqQVTKWidget_h
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#include "QVTKWidget.h"
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#include "pqCoreModule.h"
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#include "vtkSmartPointer.h"
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#include "vtkWeakPointer.h"
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#include <QPointer>
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class vtkSMProxy;
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class vtkSMSession;
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/// pqQVTKWidget extends QVTKWidget to add awareness for view proxies. The
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/// advantage of doing that is that pqQVTKWidget can automatically update the
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/// "ViewSize" propertu on the view proxy whenever the
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/// widget's size/position changes.
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///
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/// This class also enables image-caching by default (image caching support is
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/// provided by the superclass).
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class PQCORE_EXPORT pqQVTKWidget : public QVTKWidget
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{
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Q_OBJECT
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typedef QVTKWidget Superclass;
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public:
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pqQVTKWidget(QWidget* parent = NULL, Qt::WindowFlags f = 0);
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virtual ~pqQVTKWidget();
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/// Set the view proxy.
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void setViewProxy(vtkSMProxy*);
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/// Set the session.
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/// This is only used when ViewProxy is not set.
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void setSession(vtkSMSession*);
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/// Retrun the Proxy ID if any, otherwise return 0
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vtkTypeUInt32 getProxyId();
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/// Set/Get the name of the property to use to update the size of the widget
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/// on the proxy. By default "ViewSize" is used.
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void setSizePropertyName(const QString& pname)
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{ this->SizePropertyName = pname; }
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const QString& sizePropertyName() const
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{ return this->SizePropertyName; }
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public slots:
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void paintMousePointer(int x, int y);
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protected:
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/// overloaded resize handler
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virtual void resizeEvent(QResizeEvent* event);
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/// overloaded move handler
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virtual void moveEvent(QMoveEvent* event);
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// method called in paintEvent() to render the image cache on to the device.
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// return false, if cache couldn;t be used for painting. In that case, the
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// paintEvent() method will continue with the default painting code.
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virtual bool paintCachedImage();
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private slots:
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void updateSizeProperties();
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private:
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Q_DISABLE_COPY(pqQVTKWidget)
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vtkSmartPointer<vtkSMProxy> ViewProxy;
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vtkWeakPointer<vtkSMSession> Session;
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QImage MousePointerToDraw;
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QString SizePropertyName;
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};
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#endif
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