F:/KPlato/koffice/libs/kofficecore/KoContainerHandler.h

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/* This file is part of the KDE project
   Copyright (C) 1998, 1999, 2000 Torben Weis <weis@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 HANDLER_H
#define HANDLER_H

#include <QObject>
//Added by qt3to4:
#include <QMouseEvent>
#include <QEvent>
#include <KoDocumentChild.h>

class QMatrix;

class KoView;
class KoPartResizeHandlerPrivate;
class KoPartMoveHandlerPrivate;

class KOFFICECORE_EXPORT KoEventHandler : public QObject
{
    Q_OBJECT
public:
    KoEventHandler( QObject* target );
    ~KoEventHandler();

    QObject* target();

private:
    QObject* m_target;
};

class KoPartResizeHandler : public KoEventHandler
{
    Q_OBJECT
public:
    KoPartResizeHandler( QWidget* widget, const QMatrix& matrix, KoView* view, KoChild* child,
                       KoChild::Gadget gadget, const QPoint& point );
    ~KoPartResizeHandler();

protected:
    void repaint(QRegion &rgn);
    bool eventFilter( QObject*, QEvent* );

private:
    KoPartResizeHandlerPrivate *d;
};

class KoPartMoveHandler : public KoEventHandler
{
    Q_OBJECT
public:
    KoPartMoveHandler( QWidget* widget, const QMatrix& matrix, KoView* view, KoChild* child,
                     const QPoint& point );
    ~KoPartMoveHandler();

protected:
    bool eventFilter( QObject*, QEvent* );

private:
    KoPartMoveHandlerPrivate *d;
};

class KOFFICECORE_EXPORT KoContainerHandler : public KoEventHandler
{
    Q_OBJECT
public:
    KoContainerHandler( KoView* view, QWidget* widget );
    ~KoContainerHandler();

signals:
    void popupMenu( KoChild*, const QPoint& global_pos );

    void deleteChild( KoChild* );

protected:
    bool eventFilter( QObject*, QEvent* );

private:
    KoChild *child(KoChild::Gadget &gadget, QPoint &pos, const QMouseEvent *ev);
    KoView* m_view;
};

#endif

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