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qsplitter.h

This is the verbatim text of the qsplitter.h include file. It is provided only for illustration; the copyright remains with Trolltech.

/****************************************************************************
** $Id:  qt/qsplitter.h   3.0.4   edited Oct 12 2001 $
**
** Defintion of  QSplitter class
**
**  Created:  980105
**
** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
**
** This file is part of the widgets module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#ifndef QSPLITTER_H
#define QSPLITTER_H

#ifndef QT_H
#include "qframe.h"
#include "qvaluelist.h"
#endif // QT_H

#ifndef QT_NO_SPLITTER

class QSplitterHandle;
class QSplitterData;
class QSplitterLayoutStruct;

class Q_EXPORT QSplitter : public QFrame
{
    Q_OBJECT
    Q_PROPERTY( Orientation orientation READ orientation WRITE setOrientation )

public:
    enum ResizeMode { Stretch, KeepSize, FollowSizeHint };

    QSplitter( QWidget* parent=0, const char* name=0 );
    QSplitter( Orientation, QWidget* parent=0, const char* name=0 );
    ~QSplitter();

    virtual void setOrientation( Orientation );
    Orientation orientation() const { return orient; }

    virtual void setResizeMode( QWidget *w, ResizeMode );
    virtual void setOpaqueResize( bool = TRUE );
    bool opaqueResize() const;

    void moveToFirst( QWidget * );
    void moveToLast( QWidget * );

    void refresh() { recalc( TRUE ); }
    QSize sizeHint() const;
    QSize minimumSizeHint() const;

    QValueList<int> sizes() const;
    void setSizes( QValueList<int> );

protected:
    void childEvent( QChildEvent * );

    bool event( QEvent * );
    void resizeEvent( QResizeEvent * );

    int idAfter( QWidget* ) const;

    void moveSplitter( QCOORD pos, int id );
    virtual void drawSplitter( QPainter*, QCOORD x, QCOORD y,
			       QCOORD w, QCOORD h );
    void styleChange( QStyle& );
    int adjustPos( int , int );
    virtual void setRubberband( int );
    void getRange( int id, int*, int* );

private:
    void init();
    void recalc( bool update = FALSE );
    void doResize();
    void storeSizes();
    void processChildEvents();
    QSplitterLayoutStruct *addWidget( QWidget*, bool first = FALSE );
    void recalcId();
    void moveBefore( int pos, int id, bool upLeft );
    void moveAfter( int pos, int id, bool upLeft );
    void setG( QWidget *w, int p, int s, bool isSplitter = FALSE );

    QCOORD pick( const QPoint &p ) const
    { return orient == Horizontal ? p.x() : p.y(); }
    QCOORD pick( const QSize &s ) const
    { return orient == Horizontal ? s.width() : s.height(); }

    QCOORD trans( const QPoint &p ) const
    { return orient == Vertical ? p.x() : p.y(); }
    QCOORD trans( const QSize &s ) const
    { return orient == Vertical ? s.width() : s.height(); }

    QSplitterData *data;

    Orientation orient;
    friend class QSplitterHandle;
private:	// Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
    QSplitter( const QSplitter & );
    QSplitter& operator=( const QSplitter & );
#endif
};

#endif // QT_NO_SPLITTER

#endif // QSPLITTER_H