| 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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