| 1 | /**************************************************************************** | 
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| 2 | ** $Id: qheader.h 2 2005-11-16 15:49:26Z dmik $ | 
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| 3 | ** | 
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| 4 | ** Definition of QHeader widget class (table header) | 
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| 5 | ** | 
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| 6 | ** Created : 961105 | 
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| 7 | ** | 
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| 8 | ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved. | 
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| 9 | ** | 
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| 10 | ** This file is part of the widgets module of the Qt GUI Toolkit. | 
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| 11 | ** | 
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| 12 | ** This file may be distributed under the terms of the Q Public License | 
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| 13 | ** as defined by Trolltech AS of Norway and appearing in the file | 
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| 14 | ** LICENSE.QPL included in the packaging of this file. | 
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| 15 | ** | 
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| 16 | ** This file may be distributed and/or modified under the terms of the | 
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| 17 | ** GNU General Public License version 2 as published by the Free Software | 
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| 18 | ** Foundation and appearing in the file LICENSE.GPL included in the | 
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| 19 | ** packaging of this file. | 
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| 20 | ** | 
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| 21 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition | 
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| 22 | ** licenses may use this file in accordance with the Qt Commercial License | 
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| 23 | ** Agreement provided with the Software. | 
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| 24 | ** | 
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| 25 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE | 
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| 26 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | 
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| 27 | ** | 
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| 28 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for | 
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| 29 | **   information about Qt Commercial License Agreements. | 
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| 30 | ** See http://www.trolltech.com/qpl/ for QPL licensing information. | 
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| 31 | ** See http://www.trolltech.com/gpl/ for GPL licensing information. | 
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| 32 | ** | 
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| 33 | ** Contact info@trolltech.com if any conditions of this licensing are | 
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| 34 | ** not clear to you. | 
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| 35 | ** | 
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| 36 | **********************************************************************/ | 
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| 37 |  | 
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| 38 | #ifndef QHEADER_H | 
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| 39 | #define QHEADER_H | 
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| 40 |  | 
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| 41 | #ifndef QT_H | 
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| 42 | #include "qwidget.h" | 
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| 43 | #include "qstring.h" | 
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| 44 | #include "qiconset.h" // conversion QPixmap->QIconset | 
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| 45 | #endif // QT_H | 
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| 46 |  | 
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| 47 | #ifndef QT_NO_HEADER | 
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| 48 |  | 
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| 49 | class QShowEvent; | 
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| 50 | class QHeaderData; | 
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| 51 | class QTable; | 
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| 52 |  | 
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| 53 | class Q_EXPORT QHeader : public QWidget | 
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| 54 | { | 
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| 55 | friend class QTable; | 
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| 56 | friend class QTableHeader; | 
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| 57 | friend class QListView; | 
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| 58 |  | 
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| 59 | Q_OBJECT | 
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| 60 | Q_PROPERTY( Orientation orientation READ orientation WRITE setOrientation ) | 
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| 61 | Q_PROPERTY( bool tracking READ tracking WRITE setTracking ) | 
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| 62 | Q_PROPERTY( int count READ count ) | 
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| 63 | Q_PROPERTY( int offset READ offset WRITE setOffset ) | 
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| 64 | Q_PROPERTY( bool moving READ isMovingEnabled WRITE setMovingEnabled ) | 
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| 65 | Q_PROPERTY( bool stretching READ isStretchEnabled WRITE setStretchEnabled ) | 
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| 66 |  | 
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| 67 | public: | 
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| 68 | QHeader( QWidget* parent=0, const char* name=0 ); | 
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| 69 | QHeader( int, QWidget* parent=0, const char* name=0 ); | 
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| 70 | ~QHeader(); | 
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| 71 |  | 
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| 72 | int         addLabel( const QString &, int size = -1 ); | 
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| 73 | int         addLabel( const QIconSet&, const QString &, int size = -1 ); | 
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| 74 | void        removeLabel( int section ); | 
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| 75 | virtual void setLabel( int, const QString &, int size = -1 ); | 
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| 76 | virtual void setLabel( int, const QIconSet&, const QString &, int size = -1 ); | 
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| 77 | QString     label( int section ) const; | 
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| 78 | QIconSet*   iconSet( int section ) const; | 
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| 79 |  | 
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| 80 | virtual void setOrientation( Orientation ); | 
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| 81 | Orientation orientation() const; | 
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| 82 | virtual void setTracking( bool enable ); | 
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| 83 | bool        tracking() const; | 
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| 84 |  | 
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| 85 | virtual void setClickEnabled( bool, int section = -1 ); | 
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| 86 | virtual void setResizeEnabled( bool, int section = -1 ); | 
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| 87 | virtual void setMovingEnabled( bool ); | 
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| 88 | virtual void setStretchEnabled( bool b, int section ); | 
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| 89 | void        setStretchEnabled( bool b ) { setStretchEnabled( b, -1 ); } | 
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| 90 | bool        isClickEnabled( int section = -1 ) const; | 
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| 91 | bool        isResizeEnabled( int section = -1 ) const; | 
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| 92 | bool        isMovingEnabled() const; | 
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| 93 | bool        isStretchEnabled() const; | 
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| 94 | bool        isStretchEnabled( int section ) const; | 
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| 95 |  | 
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| 96 | void        resizeSection( int section, int s ); | 
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| 97 | int         sectionSize( int section ) const; | 
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| 98 | int         sectionPos( int section ) const; | 
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| 99 | int         sectionAt( int pos ) const; | 
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| 100 | int         count() const; | 
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| 101 | int         headerWidth() const; | 
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| 102 | QRect       sectionRect( int section ) const; | 
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| 103 |  | 
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| 104 | virtual void setCellSize( int , int ); // obsolete, do not use | 
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| 105 | int         cellSize( int i ) const { return sectionSize( mapToSection(i) ); } // obsolete, do not use | 
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| 106 | int         cellPos( int ) const; // obsolete, do not use | 
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| 107 | int         cellAt( int pos ) const { return mapToIndex( sectionAt(pos + offset()) ); } // obsolete, do not use | 
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| 108 |  | 
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| 109 | int         offset() const; | 
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| 110 |  | 
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| 111 | QSize       sizeHint() const; | 
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| 112 |  | 
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| 113 | int         mapToSection( int index ) const; | 
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| 114 | int         mapToIndex( int section ) const; | 
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| 115 | int         mapToLogical( int ) const; // obsolete, do not use | 
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| 116 | int         mapToActual( int ) const; // obsolete, do not use | 
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| 117 |  | 
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| 118 | void        moveSection( int section, int toIndex ); | 
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| 119 | virtual void moveCell( int, int); // obsolete, do not use | 
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| 120 |  | 
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| 121 | void        setSortIndicator( int section, bool ascending = TRUE ); // obsolete, do not use | 
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| 122 | inline void setSortIndicator( int section, SortOrder order ) | 
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| 123 | { setSortIndicator( section, (order == Ascending) ); } | 
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| 124 | int         sortIndicatorSection() const; | 
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| 125 | SortOrder   sortIndicatorOrder() const; | 
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| 126 |  | 
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| 127 | void        adjustHeaderSize() { adjustHeaderSize( -1 ); } | 
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| 128 |  | 
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| 129 | public slots: | 
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| 130 | void        setUpdatesEnabled( bool enable ); | 
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| 131 | virtual void setOffset( int pos ); | 
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| 132 |  | 
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| 133 | signals: | 
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| 134 | void        clicked( int section ); | 
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| 135 | void        pressed( int section ); | 
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| 136 | void        released( int section ); | 
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| 137 | void        sizeChange( int section, int oldSize, int newSize ); | 
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| 138 | void        indexChange( int section, int fromIndex, int toIndex ); | 
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| 139 | void        sectionClicked( int ); // obsolete, do not use | 
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| 140 | void        moved( int, int ); // obsolete, do not use | 
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| 141 | void        sectionHandleDoubleClicked( int section ); | 
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| 142 |  | 
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| 143 | protected: | 
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| 144 | void        paintEvent( QPaintEvent * ); | 
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| 145 | void        showEvent( QShowEvent *e ); | 
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| 146 | void        resizeEvent( QResizeEvent *e ); | 
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| 147 | QRect       sRect( int index ); | 
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| 148 |  | 
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| 149 | virtual void paintSection( QPainter *p, int index, const QRect& fr); | 
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| 150 | virtual void paintSectionLabel( QPainter* p, int index, const QRect& fr ); | 
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| 151 |  | 
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| 152 | void        fontChange( const QFont & ); | 
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| 153 |  | 
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| 154 | void        mousePressEvent( QMouseEvent * ); | 
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| 155 | void        mouseReleaseEvent( QMouseEvent * ); | 
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| 156 | void        mouseMoveEvent( QMouseEvent * ); | 
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| 157 | void        mouseDoubleClickEvent( QMouseEvent * ); | 
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| 158 |  | 
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| 159 | void        keyPressEvent( QKeyEvent * ); | 
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| 160 | void        keyReleaseEvent( QKeyEvent * ); | 
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| 161 |  | 
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| 162 | private: | 
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| 163 | void        handleColumnMove( int fromIdx, int toIdx ); | 
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| 164 | void        adjustHeaderSize( int diff ); | 
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| 165 | void        init( int ); | 
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| 166 |  | 
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| 167 | void        paintRect( int p, int s ); | 
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| 168 | void        markLine( int idx ); | 
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| 169 | void        unMarkLine( int idx ); | 
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| 170 | int         pPos( int i ) const; | 
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| 171 | int         pSize( int i ) const; | 
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| 172 | int         findLine( int ); | 
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| 173 | int         handleAt( int p ); | 
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| 174 | bool        reverse() const; | 
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| 175 | void        calculatePositions( bool onlyVisible = FALSE, int start = 0 ); | 
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| 176 | void        handleColumnResize(int, int, bool, bool = TRUE ); | 
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| 177 | QSize       sectionSizeHint( int section, const QFontMetrics& fm ) const; | 
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| 178 | void        setSectionSizeAndHeight( int section, int size ); | 
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| 179 |  | 
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| 180 | void        resizeArrays( int size ); | 
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| 181 | void        setIsATableHeader( bool b ); | 
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| 182 | int         offs; | 
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| 183 | int         handleIdx; | 
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| 184 | int         oldHIdxSize; | 
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| 185 | int         moveToIdx; | 
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| 186 | enum State { Idle, Sliding, Pressed, Moving, Blocked }; | 
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| 187 | State       state; | 
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| 188 | QCOORD      clickPos; | 
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| 189 | bool        trackingIsOn; | 
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| 190 | int oldHandleIdx; | 
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| 191 | int cachedPos; // not used | 
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| 192 | Orientation orient; | 
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| 193 |  | 
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| 194 | QHeaderData *d; | 
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| 195 |  | 
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| 196 | private:        // Disabled copy constructor and operator= | 
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| 197 | #if defined(Q_DISABLE_COPY) | 
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| 198 | QHeader( const QHeader & ); | 
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| 199 | QHeader &operator=( const QHeader & ); | 
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| 200 | #endif | 
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| 201 | }; | 
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| 202 |  | 
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| 203 |  | 
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| 204 | inline QHeader::Orientation QHeader::orientation() const | 
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| 205 | { | 
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| 206 | return orient; | 
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| 207 | } | 
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| 208 |  | 
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| 209 | inline void QHeader::setTracking( bool enable ) { trackingIsOn = enable; } | 
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| 210 | inline bool QHeader::tracking() const { return trackingIsOn; } | 
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| 211 |  | 
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| 212 | extern Q_EXPORT bool qt_qheader_label_return_null_strings; // needed for professional edition | 
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| 213 |  | 
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| 214 | #endif // QT_NO_HEADER | 
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| 215 |  | 
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| 216 | #endif // QHEADER_H | 
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