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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qheader.h</h1>

<p>This is the verbatim text of the qheader.h include file. It is provided only for illustration; the copyright remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** $Id: qt/qheader.h   3.3.8   edited Jan 11 14:38 $
**
** Definition of TQHeader widget class (table header)
**
** Created : 961105
**
** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the widgets module of the TQt 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 file LICENSE.GPL 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 TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing retquirements 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.TQPL
** included in the packaging of this file.  Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** 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 TQHEADER_H
#define TQHEADER_H

#ifndef QT_H
#include "qwidget.h"
#include "qstring.h"
#include "qiconset.h" // conversion TQPixmap-&gt;TQIconset
#endif // QT_H

#ifndef QT_NO_HEADER

class TQShowEvent;
class TQHeaderData;
class TQTable;

class Q_EXPORT TQHeader : public TQWidget
{
    friend class TQTable;
    friend class TQTableHeader;
    friend class TQListView;

    Q_OBJECT
    Q_PROPERTY( Orientation orientation READ orientation WRITE setOrientation )
    Q_PROPERTY( bool tracking READ tracking WRITE setTracking )
    Q_PROPERTY( int count READ count )
    Q_PROPERTY( int offset READ offset WRITE setOffset )
    Q_PROPERTY( bool moving READ isMovingEnabled WRITE setMovingEnabled )
    Q_PROPERTY( bool stretching READ isStretchEnabled WRITE setStretchEnabled )

public:
    TQHeader( TQWidget* parent=0, const char* name=0 );
    TQHeader( int, TQWidget* parent=0, const char* name=0 );
    ~TQHeader();

    int		addLabel( const TQString &amp;, int size = -1 );
    int		addLabel( const TQIconSet&amp;, const TQString &amp;, int size = -1 );
    void 	removeLabel( int section );
    virtual void setLabel( int, const TQString &amp;, int size = -1 );
    virtual void setLabel( int, const TQIconSet&amp;, const TQString &amp;, int size = -1 );
    TQString 	label( int section ) const;
    TQIconSet* 	iconSet( int section ) const;

    virtual void setOrientation( Orientation );
    Orientation orientation() const;
    virtual void setTracking( bool enable );
    bool	tracking() const;

    virtual void setClickEnabled( bool, int section = -1 );
    virtual void setResizeEnabled( bool, int section = -1 );
    virtual void setMovingEnabled( bool );
    virtual void setStretchEnabled( bool b, int section );
    void 	setStretchEnabled( bool b ) { setStretchEnabled( b, -1 ); }
    bool 	isClickEnabled( int section = -1 ) const;
    bool 	isResizeEnabled( int section = -1 ) const;
    bool 	isMovingEnabled() const;
    bool 	isStretchEnabled() const;
    bool 	isStretchEnabled( int section ) const;

    void 	resizeSection( int section, int s );
    int		sectionSize( int section ) const;
    int		sectionPos( int section ) const;
    int		sectionAt( int pos ) const;
    int		count() const;
    int 	headerWidth() const;
    TQRect	sectionRect( int section ) const;

    virtual void setCellSize( int , int ); // obsolete, do not use
    int		cellSize( int i ) const { return sectionSize( mapToSection(i) ); } // obsolete, do not use
    int		cellPos( int ) const; // obsolete, do not use
    int		cellAt( int pos ) const { return mapToIndex( sectionAt(pos + offset()) ); } // obsolete, do not use

    int 	offset() const;

    TQSize	sizeHint() const;

    int		mapToSection( int index ) const;
    int		mapToIndex( int section ) const;
    int		mapToLogical( int ) const; // obsolete, do not use
    int		mapToActual( int ) const; // obsolete, do not use

    void 	moveSection( int section, int toIndex );
    virtual void moveCell( int, int); // obsolete, do not use

    void 	setSortIndicator( int section, bool ascending = TRUE ); // obsolete, do not use
    inline void setSortIndicator( int section, SortOrder order )
	{ setSortIndicator( section, (order == Ascending) ); }
    int		sortIndicatorSection() const;
    SortOrder	sortIndicatorOrder() const;

    void        adjustHeaderSize() { adjustHeaderSize( -1 ); }

public slots:
    void 	setUpdatesEnabled( bool enable );
    virtual void setOffset( int pos );

signals:
    void	clicked( int section );
    void	pressed( int section );
    void	released( int section );
    void	sizeChange( int section, int oldSize, int newSize );
    void	indexChange( int section, int fromIndex, int toIndex );
    void	sectionClicked( int ); // obsolete, do not use
    void	moved( int, int ); // obsolete, do not use
    void	sectionHandleDoubleClicked( int section );

protected:
    void	paintEvent( TQPaintEvent * );
    void	showEvent( TQShowEvent *e );
    void 	resizeEvent( TQResizeEvent *e );
    TQRect	sRect( int index );

    virtual void paintSection( TQPainter *p, int index, const TQRect&amp; fr);
    virtual void paintSectionLabel( TQPainter* p, int index, const TQRect&amp; fr );

    void 	fontChange( const TQFont &amp; );

    void	mousePressEvent( TQMouseEvent * );
    void	mouseReleaseEvent( TQMouseEvent * );
    void	mouseMoveEvent( TQMouseEvent * );
    void	mouseDoubleClickEvent( TQMouseEvent * );

    void	keyPressEvent( TQKeyEvent * );
    void	keyReleaseEvent( TQKeyEvent * );

private:
    void	handleColumnMove( int fromIdx, int toIdx );
    void 	adjustHeaderSize( int diff );
    void	init( int );

    void	paintRect( int p, int s );
    void	markLine( int idx );
    void	unMarkLine( int idx );
    int		pPos( int i ) const;
    int		pSize( int i ) const;
    int 	findLine( int );
    int		handleAt( int p );
    bool 	reverse() const;
    void 	calculatePositions( bool onlyVisible = FALSE, int start = 0 );
    void	handleColumnResize(int, int, bool, bool = TRUE );
    TQSize	sectionSizeHint( int section, const TQFontMetrics&amp; fm ) const;
    void	setSectionSizeAndHeight( int section, int size );

    void 	resizeArrays( int size );
    void 	setIsATableHeader( bool b );
    int		offs;
    int		handleIdx;
    int		oldHIdxSize;
    int		moveToIdx;
    enum State { Idle, Sliding, Pressed, Moving, Blocked };
    State	state;
    TQCOORD	clickPos;
    bool	trackingIsOn;
    int oldHandleIdx;
    int	cachedPos; // not used
    Orientation orient;

    TQHeaderData *d;

private:	// Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
    TQHeader( const TQHeader &amp; );
    TQHeader &amp;operator=( const TQHeader &amp; );
#endif
};


inline TQHeader::Orientation TQHeader::orientation() const
{
    return orient;
}

inline void TQHeader::setTracking( bool enable ) { trackingIsOn = enable; }
inline bool TQHeader::tracking() const { return trackingIsOn; }

extern Q_EXPORT bool qt_qheader_label_return_null_strings; // needed for professional edition

#endif // QT_NO_HEADER

#endif // TQHEADER_H
</pre>
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