93 lines
3.1 KiB
C++
93 lines
3.1 KiB
C++
/***************************************************************************
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* Copyright (c) 2014 Werner Mayer <wmayer[at]users.sourceforge.net> *
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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 library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef GUI_GRAPHVIZVIEW_H
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#define GUI_GRAPHVIZVIEW_H
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#include "MDIView.h"
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class QGraphicsScene;
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class QGraphicsView;
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class QSvgRenderer;
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class QGraphicsSvgItem;
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class GraphicsViewZoom;
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namespace Gui
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{
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class GraphvizWorker;
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class GuiExport GraphvizView : public MDIView
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{
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Q_OBJECT
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public:
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explicit GraphvizView(App::Document &_doc, QWidget* parent=nullptr);
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~GraphvizView() override;
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QByteArray exportGraph(const QString& filter);
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/// Message handler
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bool onMsg(const char* pMsg,const char** ppReturn) override;
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/// Message handler test
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bool onHasMsg(const char* pMsg) const override;
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/** @name Printing */
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//@{
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void print(QPrinter* printer) override;
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/** Print content of view */
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void print() override;
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/** Print to PDF file */
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void printPdf() override;
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/** Show a preview dialog */
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void printPreview() override;
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//@}
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private Q_SLOTS:
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void svgFileRead(const QByteArray & data);
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void error();
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void done();
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private:
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void updateSvgItem(const App::Document &doc);
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void disconnectSignals();
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const App::Document& doc;
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std::string graphCode;
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QGraphicsScene* scene;
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QGraphicsView* view;
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GraphicsViewZoom* zoomer;
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QGraphicsSvgItem* svgItem;
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QSvgRenderer* renderer;
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GraphvizWorker* thread;
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int nPending;
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using Connection = boost::signals2::scoped_connection;
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Connection recomputeConnection;
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Connection undoConnection;
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Connection redoConnection;
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};
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} // namespace Gui
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#endif // GUI_GRAPHVIZVIEW_H
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