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/****************************************************************************
**
** Definition of QHeader widget class (table header)
**
** Created : 961105
**
** 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 QHEADER_H
#define QHEADER_H
#ifndef QT_H
#include "qwidget.h"
#include "qstring.h"
#include "qiconset.h" // conversion QPixmap->QIconset
#endif // QT_H
#ifndef QT_NO_HEADER
class QShowEvent;
class QHeaderData;
class QTable;
class Q_EXPORT QHeader : public QWidget
{
friend class QTable;
friend class QTableHeader;
friend class QListView;
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:
QHeader( QWidget* parent=0, const char* name=0 );
QHeader( int, QWidget* parent=0, const char* name=0 );
~QHeader();
int addLabel( const QString &, int size = -1 );
int addLabel( const QIconSet&, const QString &, int size = -1 );
void removeLabel( int section );
virtual void setLabel( int, const QString &, int size = -1 );
virtual void setLabel( int, const QIconSet&, const QString &, int size = -1 );
QString label( int section ) const;
QIconSet* 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;
QRect 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;
QSize 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( QPaintEvent * );
void showEvent( QShowEvent *e );
void resizeEvent( QResizeEvent *e );
QRect sRect( int index );
virtual void paintSection( QPainter *p, int index, const QRect& fr);
virtual void paintSectionLabel( QPainter* p, int index, const QRect& fr );
void fontChange( const QFont & );
void mousePressEvent( QMouseEvent * );
void mouseReleaseEvent( QMouseEvent * );
void mouseMoveEvent( QMouseEvent * );
void mouseDoubleClickEvent( QMouseEvent * );
void keyPressEvent( QKeyEvent * );
void keyReleaseEvent( QKeyEvent * );
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 );
QSize sectionSizeHint( int section, const QFontMetrics& 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;
QCOORD clickPos;
bool trackingIsOn;
int oldHandleIdx;
int cachedPos; // not used
Orientation orient;
QHeaderData *d;
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
QHeader( const QHeader & );
QHeader &operator=( const QHeader & );
#endif
};
inline QHeader::Orientation QHeader::orientation() const
{
return orient;
}
inline void QHeader::setTracking( bool enable ) { trackingIsOn = enable; }
inline bool QHeader::tracking() const { return trackingIsOn; }
extern Q_EXPORT bool qt_qheader_label_return_null_strings; // needed for professional edition
#endif // QT_NO_HEADER
#endif // QHEADER_H
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