/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the Qt3Support module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef Q3HEADER_H+
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#define Q3HEADER_H+
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+
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#include <QtGui/qicon.h>+
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#include <QtGui/qwidget.h>+
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#include <QtCore/qstring.h>+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(Qt3SupportLight)+
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+
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#ifndef QT_NO_HEADER+
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+
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class QShowEvent;+
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class Q3HeaderData;+
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class Q3Table;+
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class Q3ListView;+
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+
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class Q_COMPAT_EXPORT Q3Header : public QWidget+
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{+
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    friend class Q3Table;+
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    friend class Q3TableHeader;+
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    friend class Q3ListView;+
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+
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    Q_OBJECT+
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    Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)+
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    Q_PROPERTY(bool tracking READ tracking WRITE setTracking)+
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    Q_PROPERTY(int count READ count)+
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    Q_PROPERTY(int offset READ offset WRITE setOffset)+
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    Q_PROPERTY(bool moving READ isMovingEnabled WRITE setMovingEnabled)+
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    Q_PROPERTY(bool stretching READ isStretchEnabled WRITE setStretchEnabled)+
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+
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public:+
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    Q3Header(QWidget* parent=0, const char* name=0);+
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    Q3Header(int, QWidget* parent=0, const char* name=0);+
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    ~Q3Header();+
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+
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    int                addLabel(const QString &, int size = -1);+
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    int                addLabel(const QIcon&, const QString &, int size = -1);+
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    void         removeLabel(int section);+
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    virtual void setLabel(int, const QString &, int size = -1);+
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    virtual void setLabel(int, const QIcon&, const QString &, int size = -1);+
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    QString         label(int section) const;+
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    QIcon*         iconSet(int section) const;+
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+
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    virtual void setOrientation(Qt::Orientation);+
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    Qt::Orientation orientation() const;+
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    virtual void setTracking(bool enable);+
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    bool        tracking() const;+
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+
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    virtual void setClickEnabled(bool, int section = -1);+
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    virtual void setResizeEnabled(bool, int section = -1);+
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    virtual void setMovingEnabled(bool);+
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    virtual void setStretchEnabled(bool b, int section);+
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    void         setStretchEnabled(bool b) { setStretchEnabled(b, -1); }+
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    bool         isClickEnabled(int section = -1) const;+
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    bool         isResizeEnabled(int section = -1) const;+
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    bool         isMovingEnabled() const;+
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    bool         isStretchEnabled() const;+
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    bool         isStretchEnabled(int section) const;+
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+
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    void         resizeSection(int section, int s);+
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    int                sectionSize(int section) const;+
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    int                sectionPos(int section) const;+
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    int                sectionAt(int pos) const;+
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    int                count() const;+
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    int         headerWidth() const;+
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    QRect        sectionRect(int section) const;+
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+
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    virtual void setCellSize(int , int); // obsolete, do not use+
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    int                cellSize(int i) const { return sectionSize(mapToSection(i)); } // obsolete, do not use+
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    int                cellPos(int) const; // obsolete, do not use+
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    int                cellAt(int pos) const { return mapToIndex(sectionAt(pos + offset())); } // obsolete, do not use+
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+
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    int         offset() const;+
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+
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    QSize        sizeHint() const;+
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+
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    int                mapToSection(int index) const;+
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    int                mapToIndex(int section) const;+
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    int                mapToLogical(int) const; // obsolete, do not use+
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    int                mapToActual(int) const; // obsolete, do not use+
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+
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    void         moveSection(int section, int toIndex);+
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    virtual void moveCell(int, int); // obsolete, do not use+
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+
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    void         setSortIndicator(int section, bool ascending = true); // obsolete, do not use+
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    inline void setSortIndicator(int section, Qt::SortOrder order)+
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        { setSortIndicator(section, (order == Qt::AscendingOrder)); }+
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    int                sortIndicatorSection() const;+
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    Qt::SortOrder        sortIndicatorOrder() const;+
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+
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    void        adjustHeaderSize() { adjustHeaderSize(-1); }+
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+
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public Q_SLOTS:+
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    void         setUpdatesEnabled(bool enable);+
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    virtual void setOffset(int pos);+
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+
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Q_SIGNALS:+
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    void        clicked(int section);+
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    void        pressed(int section);+
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    void        released(int section);+
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    void        sizeChange(int section, int oldSize, int newSize);+
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    void        indexChange(int section, int fromIndex, int toIndex);+
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    void        sectionClicked(int); // obsolete, do not use+
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    void        moved(int, int); // obsolete, do not use+
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    void        sectionHandleDoubleClicked(int section);+
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+
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protected:+
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    void        paintEvent(QPaintEvent *);+
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    void        showEvent(QShowEvent *e);+
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    void         resizeEvent(QResizeEvent *e);+
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    QRect        sRect(int index);+
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+
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    virtual void paintSection(QPainter *p, int index, const QRect& fr);+
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    virtual void paintSectionLabel(QPainter* p, int index, const QRect& fr);+
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+
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    void        changeEvent(QEvent *);+
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    void        mousePressEvent(QMouseEvent *);+
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    void        mouseReleaseEvent(QMouseEvent *);+
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    void        mouseMoveEvent(QMouseEvent *);+
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    void        mouseDoubleClickEvent(QMouseEvent *);+
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+
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    void        keyPressEvent(QKeyEvent *);+
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    void        keyReleaseEvent(QKeyEvent *);+
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+
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private:+
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    void        handleColumnMove(int fromIdx, int toIdx);+
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    void         adjustHeaderSize(int diff);+
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    void        init(int);+
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+
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    void        paintRect(int p, int s);+
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    void        markLine(int idx);+
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    void        unMarkLine(int idx);+
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    int                pPos(int i) const;+
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    int                pSize(int i) const;+
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    int         findLine(int);+
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    int                handleAt(int p);+
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    bool         reverse() const;+
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    void         calculatePositions(bool onlyVisible = false, int start = 0);+
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    void        handleColumnResize(int, int, bool, bool = true);+
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    QSize        sectionSizeHint(int section, const QFontMetrics& fm) const;+
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    void        setSectionSizeAndHeight(int section, int size);+
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+
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    void         resizeArrays(int size);+
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    void         setIsATableHeader(bool b);+
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    int                offs;+
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    int                handleIdx;+
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    int                oldHIdxSize;+
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    int                moveToIdx;+
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    enum State { Idle, Sliding, Pressed, Moving, Blocked };+
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    State        state;+
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    int        clickPos;+
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    bool        trackingIsOn;+
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    int oldHandleIdx;+
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    int        cachedPos; // not used+
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    Qt::Orientation orient;+
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+
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    Q3HeaderData *d;+
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+
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private:+
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    Q_DISABLE_COPY(Q3Header)+
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};+
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+
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+
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inline Qt::Orientation Q3Header::orientation() const+
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{+
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    return orient;+
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}+
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+
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inline void Q3Header::setTracking(bool enable) { trackingIsOn = enable; }+
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inline bool Q3Header::tracking() const { return trackingIsOn; }+
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+
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extern Q_COMPAT_EXPORT bool qt_qheader_label_return_null_strings; // needed for professional edition+
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+
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#endif // QT_NO_HEADER+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif // Q3HEADER_H+
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