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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 QHeader 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 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 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 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 +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>Qt 3.3.8</div> +</table></div></address></body> +</html> |