82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
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// Copyright (c) 2008 GeometryFactory Sarl (France).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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// You can redistribute it and/or modify it under the terms of the GNU
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// General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: GPL-3.0+
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//
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//
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// Author(s) : Andreas Fabri <Andreas.Fabri@geometryfactory.com>
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// Laurent Rineau <Laurent.Rineau@geometryfactory.com>
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#ifndef CGAL_QT_GRAPHICS_VIEW_NAVIGATION_H
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#define CGAL_QT_GRAPHICS_VIEW_NAVIGATION_H
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#include <CGAL/license/GraphicsView.h>
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#include <CGAL/auto_link/Qt.h>
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#include <CGAL/export/Qt.h>
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#include <QObject>
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#include <QPointF>
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#include <QString>
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#include <QCursor>
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#include <QRect>
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#include <QRectF>
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class QGraphicsView;
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class QGraphicsScene;
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class QEvent;
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class QGraphicsRectItem;
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namespace CGAL {
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namespace Qt {
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class CGAL_QT_EXPORT GraphicsViewNavigation: public QObject {
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Q_OBJECT
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Q_SIGNALS:
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void mouseCoordinates(QString);
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public:
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GraphicsViewNavigation();
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~GraphicsViewNavigation();
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bool eventFilter(QObject *obj, QEvent *event);
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private:
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void scaleView(QGraphicsView*, qreal scaleFactor);
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void translateView(QGraphicsView*, int dx, int dy);
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void drag_to(QGraphicsView*, QPoint new_pos);
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void display_parameters(QGraphicsView*);
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QGraphicsRectItem* rectItem;
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QPointF rect_first_point;
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bool dragging;
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QPointF dragging_start;
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QCursor cursor_backup;
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};
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} // namespace Qt
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} // namespace CGAL
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#ifdef CGAL_HEADER_ONLY
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#include <CGAL/Qt/GraphicsViewNavigation_impl.h>
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#endif // CGAL_HEADER_ONLY
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#endif // CGAL_QT_GRAPHICS_VIEW_NAVIGATION_H
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