kformula/flake

FixedElement.h

00001 /* This file is part of the KDE project
00002    Copyright (C) 2009 Jeremias Epperlein <jeeree@web.de>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this library; see the file COPYING.LIB.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017    Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #ifndef FIXEDELEMENT_H
00021 #define FIXEDELEMENT_H
00022 
00023 #include "BasicElement.h"
00024 #include "kformula_export.h"
00025 #include <KoXmlReader.h>
00026 
00027 
00028 class FormulaCursor;
00029 class QPainterPath;
00030 class RowElement;
00036 class KOFORMULA_EXPORT FixedElement : public BasicElement {
00037 public:
00039     FixedElement( BasicElement* parent = 0 );
00040 
00042     virtual ~FixedElement();
00043 
00044     virtual bool acceptCursor ( const FormulaCursor& cursor );
00045 
00046     BasicElement* elementBefore(int position) const;
00047 
00048     BasicElement* elementAfter(int position) const;
00049 
00050     virtual BasicElement* elementNext(int position) const;
00051 
00052     virtual QLineF cursorLine ( int position ) const;
00053 
00054     bool loadElement(KoXmlElement& tmp, RowElement** child);
00055 
00056     virtual QPainterPath selectionRegion ( const int pos1, const int pos2 ) const;
00057 
00059     virtual int positionOfChild(BasicElement* child) const;
00060 
00061     virtual int endPosition() const;
00062 
00063 protected:
00064     bool moveHorSituation(FormulaCursor& newcursor, FormulaCursor& oldcursor,int pos1, int pos2);
00065     bool moveVertSituation(FormulaCursor& newcursor, FormulaCursor& oldcursor,int pos1, int pos2);
00066     bool moveSingleSituation(FormulaCursor& newcursor, FormulaCursor& oldcursor,int pos);
00067 };
00068 
00069 #endif // ROWELEMENT_H
00070
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