object_holder.h

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// Copyright (C)  2003  Dominique Devriese <devriese@kde.org>

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

// This program 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 General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301, USA.

#ifndef KIG_OBJECTS_OBJECT_HOLDER_H
#define KIG_OBJECTS_OBJECT_HOLDER_H

#include "object_calcer.h"

#include <qstring.h>

class ObjectHolder
{
  ObjectCalcer::shared_ptr mcalcer;
  ObjectDrawer* mdrawer;
  ObjectConstCalcer::shared_ptr mnamecalcer;

public:
  ObjectHolder( ObjectCalcer* calcer, ObjectDrawer* drawer, ObjectConstCalcer* namecalcer );
  ObjectHolder( ObjectCalcer* calcer, ObjectDrawer* drawer );
  ObjectHolder( ObjectCalcer* calcer );
  ~ObjectHolder();

  const ObjectImp* imp() const;
  const ObjectCalcer* calcer() const;
  ObjectCalcer* calcer();
  const ObjectDrawer* drawer() const;
  ObjectDrawer* drawer();
  // the following two return zero if no name is set.
  const ObjectConstCalcer* nameCalcer() const;
  ObjectConstCalcer* nameCalcer();
  void setNameCalcer( ObjectConstCalcer* namecalcer );

  const QString name() const;
  void setDrawer( ObjectDrawer* d );
  ObjectDrawer* switchDrawer( ObjectDrawer* d );

  void calc( const KigDocument& );
  void draw( KigPainter& p, bool selected ) const;
  bool contains( const Coordinate& p, const KigWidget& w, bool nv = false ) const;
  bool inRect( const Rect& r, const KigWidget& w ) const;
  bool shown() const;

  const Coordinate moveReferencePoint() const;
  void move( const Coordinate& to, const KigDocument& );
  bool canMove() const;
  bool isFreelyTranslatable() const;

  QString selectStatement() const;
};

#endif