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/****************************************************************************
**
** Definition of QSplitter class
**
** Created : 980105
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the widgets module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#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 QSplitterPrivate;
class QSplitterLayoutStruct;
class QTextStream;
class Q_EXPORT QSplitter : public QFrame
{
Q_OBJECT
Q_PROPERTY( Orientation orientation READ orientation WRITE setOrientation )
Q_PROPERTY( bool opaqueResize READ opaqueResize WRITE setOpaqueResize )
Q_PROPERTY( int handleWidth READ handleWidth WRITE setHandleWidth )
Q_PROPERTY( bool childrenCollapsible READ childrenCollapsible WRITE setChildrenCollapsible )
public:
// ### Qt 4.0: remove Auto from public API
enum ResizeMode { Stretch, KeepSize, FollowSizeHint, Auto };
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; }
// ### Qt 4.0: make setChildrenCollapsible() and setCollapsible() virtual
void setChildrenCollapsible( bool );
bool childrenCollapsible() const;
void setCollapsible( QWidget *w, bool );
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> );
int handleWidth() const;
void setHandleWidth( 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:
enum { DefaultResizeMode = 3 };
void init();
void recalc( bool update = FALSE );
void doResize();
void storeSizes();
void getRange( int id, int *, int *, int *, int * );
void addContribution( int, int *, int *, bool );
int adjustPos( int, int, int *, int *, int *, int * );
bool collapsible( QSplitterLayoutStruct * );
void processChildEvents();
QSplitterLayoutStruct *findWidget( QWidget * );
QSplitterLayoutStruct *addWidget( QWidget *, bool prepend = FALSE );
void recalcId();
void doMove( bool backwards, int pos, int id, int delta, bool upLeft,
bool mayCollapse );
void setGeo( QWidget *w, int pos, int size, bool splitterMoved );
int findWidgetJustBeforeOrJustAfter( int id, int delta, int &collapsibleSize );
void updateHandles();
inline QCOORD pick( const QPoint &p ) const
{ return orient == Horizontal ? p.x() : p.y(); }
inline QCOORD pick( const QSize &s ) const
{ return orient == Horizontal ? s.width() : s.height(); }
inline QCOORD trans( const QPoint &p ) const
{ return orient == Vertical ? p.x() : p.y(); }
inline QCOORD trans( const QSize &s ) const
{ return orient == Vertical ? s.width() : s.height(); }
QSplitterPrivate *d;
Orientation orient;
friend class QSplitterHandle;
#ifndef QT_NO_TEXTSTREAM
friend Q_EXPORT QTextStream& operator<<( QTextStream&, const QSplitter& );
friend Q_EXPORT QTextStream& operator>>( QTextStream&, QSplitter& );
#endif
private:
#if defined(Q_DISABLE_COPY)
QSplitter( const QSplitter & );
QSplitter& operator=( const QSplitter & );
#endif
};
#ifndef QT_NO_TEXTSTREAM
Q_EXPORT QTextStream& operator<<( QTextStream&, const QSplitter& );
Q_EXPORT QTextStream& operator>>( QTextStream&, QSplitter& );
#endif
#endif // QT_NO_SPLITTER
#endif // QSPLITTER_H
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