F:/KPlato/koffice/libs/flake/KoShapeManager.h

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/* This file is part of the KDE project

   Copyright (C) 2006 Thorsten Zachmann <zachmann@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#ifndef KOSHAPEMANAGER_H
#define KOSHAPEMANAGER_H

#include <QList>
#include <QObject>
#include <QSet>

#include "KoFlake.h"
#include <koffice_export.h>
#include <KoRTree.h>

class KoShape;
class KoSelection;
class KoViewConverter;
class KoCanvasBase;

class QPainter;
class QPointF;
class QRectF;

class FLAKE_EXPORT KoShapeManager : public QObject
{
    Q_OBJECT

public:
    KoShapeManager(KoCanvasBase *canvas);
    KoShapeManager(KoCanvasBase *canvas, const QList<KoShape *> &shapes);
    virtual ~KoShapeManager();

    void setShapes( const QList<KoShape *> &shapes );

    const QList<KoShape *> & shapes() const { return m_shapes; }

    void add(KoShape *shape);

    void remove(KoShape *shape);

    KoSelection * selection() const { return m_selection; }

    virtual void paint( QPainter &painter, const KoViewConverter &converter, bool forPrint );

    KoShape * shapeAt( const QPointF &position, KoFlake::ShapeSelection selection = KoFlake::ShapeOnTop, bool omitHiddenShapes = false );

    QList<KoShape *> shapesAt( const QRectF &rect, bool omitHiddenShapes = false );

    void repaint( QRectF &rect, const KoShape *shape = 0, bool selectionHandles = false );

    void updateTree( KoShape * shape );

protected:
    void updateTree();

signals:
    void selectionChanged();

private:
    QList<KoShape *> m_shapes;
    KoSelection * m_selection;
    KoCanvasBase * m_canvas;
    KoRTree<KoShape *> m_tree;
    QSet<KoShape *> m_aggregate4update;
};

#endif

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