smartrangewatcher.h

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/* This file is part of the KDE project
   Copyright (C) 2003-2005 Hamish Rodda <rodda@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 version 2 as published by the Free Software Foundation.

   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 KDELIBS_KTEXTEDITOR_SMARTRANGEWATCHER_H
#define KDELIBS_KTEXTEDITOR_SMARTRANGEWATCHER_H

#include <ktexteditor/ktexteditor_export.h>
#include <QtCore/QObject>

#include <ktexteditor/attribute.h>

// TODO: Should SmartRangeWatcher become a base class for SmartRangeNotifier?

namespace KTextEditor
{
class SmartRange;
class View;

class KTEXTEDITOR_EXPORT SmartRangeWatcher
{
  public:
    SmartRangeWatcher();

    virtual ~SmartRangeWatcher();

    bool wantsDirectChanges() const;

    void setWantsDirectChanges(bool wantsDirectChanges);

    virtual void rangePositionChanged(SmartRange* range);

    virtual void rangeContentsChanged(SmartRange* range);

    virtual void rangeContentsChanged(SmartRange* range, SmartRange* mostSpecificChild);

    virtual void mouseEnteredRange(SmartRange* range, View* view);

    virtual void mouseExitedRange(SmartRange* range, View* view);

    virtual void caretEnteredRange(SmartRange* range, View* view);

    virtual void caretExitedRange(SmartRange* range, View* view);

    virtual void rangeEliminated(SmartRange* range);

    virtual void rangeDeleted(SmartRange* range);

    virtual void parentRangeChanged(SmartRange* range, SmartRange* newParent, SmartRange* oldParent);

    virtual void childRangeInserted(SmartRange* range, SmartRange* child);

    virtual void childRangeRemoved(SmartRange* range, SmartRange* child);

    virtual void rangeAttributeChanged(SmartRange* range, Attribute::Ptr currentAttribute, Attribute::Ptr previousAttribute);

  private:
    bool m_wantDirectChanges;
};

}

#endif

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