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****************************************************************************/

#ifndef QHEADERVIEW_H

#define QHEADERVIEW_H

#include <QtGui/qabstractitemview.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#ifndef QT_NO_ITEMVIEWS

class QHeaderViewPrivate;

class QStyleOptionHeader;

class Q_GUI_EXPORT QHeaderView : public QAbstractItemView

{

    Q_OBJECT

    Q_PROPERTY(bool showSortIndicator READ isSortIndicatorShown WRITE setSortIndicatorShown)

    Q_PROPERTY(bool highlightSections READ highlightSections WRITE setHighlightSections)

    Q_PROPERTY(bool stretchLastSection READ stretchLastSection WRITE setStretchLastSection)

    Q_PROPERTY(bool cascadingSectionResizes READ cascadingSectionResizes WRITE setCascadingSectionResizes)

    Q_PROPERTY(int defaultSectionSize READ defaultSectionSize WRITE setDefaultSectionSize)

    Q_PROPERTY(int minimumSectionSize READ minimumSectionSize WRITE setMinimumSectionSize)

    Q_PROPERTY(Qt::Alignment defaultAlignment READ defaultAlignment WRITE setDefaultAlignment)

    Q_ENUMS(ResizeMode)

public:

    enum ResizeMode

    {

        Interactive,

        Stretch,

        Fixed,

        ResizeToContents,

        Custom = Fixed

    };

    explicit QHeaderView(Qt::Orientation orientation, QWidget *parent = 0);

    virtual ~QHeaderView();

    void setModel(QAbstractItemModel *model);

    Qt::Orientation orientation() const;

    int offset() const;

    int length() const;

    QSize sizeHint() const;

    int sectionSizeHint(int logicalIndex) const;

    int visualIndexAt(int position) const;

    int logicalIndexAt(int position) const;

    inline int logicalIndexAt(int x, int y) const;

    inline int logicalIndexAt(const QPoint &pos) const;

    int sectionSize(int logicalIndex) const;

    int sectionPosition(int logicalIndex) const;

    int sectionViewportPosition(int logicalIndex) const;

    void moveSection(int from, int to);

    void swapSections(int first, int second);

    void resizeSection(int logicalIndex, int size);

    void resizeSections(QHeaderView::ResizeMode mode);

    bool isSectionHidden(int logicalIndex) const;

    void setSectionHidden(int logicalIndex, bool hide);

    int hiddenSectionCount() const;

    inline void hideSection(int logicalIndex);

    inline void showSection(int logicalIndex);

    int count() const;

    int visualIndex(int logicalIndex) const;

    int logicalIndex(int visualIndex) const;

    void setMovable(bool movable);

    bool isMovable() const;

    void setClickable(bool clickable);

    bool isClickable() const;

    void setHighlightSections(bool highlight);

    bool highlightSections() const;

    void setResizeMode(ResizeMode mode);

    void setResizeMode(int logicalIndex, ResizeMode mode);

    ResizeMode resizeMode(int logicalIndex) const;

    int stretchSectionCount() const;

    void setSortIndicatorShown(bool show);

    bool isSortIndicatorShown() const;

    void setSortIndicator(int logicalIndex, Qt::SortOrder order);

    int sortIndicatorSection() const;

    Qt::SortOrder sortIndicatorOrder() const;

    bool stretchLastSection() const;

    void setStretchLastSection(bool stretch);

    bool cascadingSectionResizes() const;

    void setCascadingSectionResizes(bool enable);

    int defaultSectionSize() const;

    void setDefaultSectionSize(int size);

    int minimumSectionSize() const;

    void setMinimumSectionSize(int size);

    Qt::Alignment defaultAlignment() const;

    void setDefaultAlignment(Qt::Alignment alignment);

    void doItemsLayout();

    bool sectionsMoved() const;

    bool sectionsHidden() const;

#ifndef QT_NO_DATASTREAM

    QByteArray saveState() const;

    bool restoreState(const QByteArray &state);

#endif

    void reset();

public Q_SLOTS:

    void setOffset(int offset);

    void setOffsetToSectionPosition(int visualIndex);

    void setOffsetToLastSection();

    void headerDataChanged(Qt::Orientation orientation, int logicalFirst, int logicalLast);

Q_SIGNALS:

    void sectionMoved(int logicalIndex, int oldVisualIndex, int newVisualIndex);

    void sectionResized(int logicalIndex, int oldSize, int newSize);

    void sectionPressed(int logicalIndex);

    void sectionClicked(int logicalIndex);

    void sectionEntered(int logicalIndex);

    void sectionDoubleClicked(int logicalIndex);

    void sectionCountChanged(int oldCount, int newCount);

    void sectionHandleDoubleClicked(int logicalIndex);

    void sectionAutoResize(int logicalIndex, QHeaderView::ResizeMode mode);

    void geometriesChanged();

    void sortIndicatorChanged(int logicalIndex, Qt::SortOrder order);

protected Q_SLOTS:

    void updateSection(int logicalIndex);

    void resizeSections();

    void sectionsInserted(const QModelIndex &parent, int logicalFirst, int logicalLast);

    void sectionsAboutToBeRemoved(const QModelIndex &parent, int logicalFirst, int logicalLast);

protected:

    QHeaderView(QHeaderViewPrivate &dd, Qt::Orientation orientation, QWidget *parent = 0);

    void initialize();

    void initializeSections();

    void initializeSections(int start, int end);

    void currentChanged(const QModelIndex &current, const QModelIndex &old);

    bool event(QEvent *e);

    void paintEvent(QPaintEvent *e);

    void mousePressEvent(QMouseEvent *e);

    void mouseMoveEvent(QMouseEvent *e);

    void mouseReleaseEvent(QMouseEvent *e);

    void mouseDoubleClickEvent(QMouseEvent *e);

    bool viewportEvent(QEvent *e);

    virtual void paintSection(QPainter *painter, const QRect &rect, int logicalIndex) const;

    virtual QSize sectionSizeFromContents(int logicalIndex) const;

    int horizontalOffset() const;

    int verticalOffset() const;

    void updateGeometries();

    void scrollContentsBy(int dx, int dy);

    void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);

    void rowsInserted(const QModelIndex &parent, int start, int end);

    QRect visualRect(const QModelIndex &index) const;

    void scrollTo(const QModelIndex &index, ScrollHint hint);

    QModelIndex indexAt(const QPoint &p) const;

    bool isIndexHidden(const QModelIndex &index) const;

    QModelIndex moveCursor(CursorAction, Qt::KeyboardModifiers);

    void setSelection(const QRect& rect, QItemSelectionModel::SelectionFlags flags);

    QRegion visualRegionForSelection(const QItemSelection &selection) const;

    void initStyleOption(QStyleOptionHeader *option) const;

private:

    Q_PRIVATE_SLOT(d_func(), void _q_sectionsRemoved(const QModelIndex &parent, int logicalFirst, int logicalLast))

    Q_PRIVATE_SLOT(d_func(), void _q_layoutAboutToBeChanged())

    Q_DECLARE_PRIVATE(QHeaderView)

    Q_DISABLE_COPY(QHeaderView)

};

inline int QHeaderView::logicalIndexAt(int ax, int ay) const

{ return orientation() == Qt::Horizontal ? logicalIndexAt(ax) : logicalIndexAt(ay); }

inline int QHeaderView::logicalIndexAt(const QPoint &apos) const

{ return logicalIndexAt(apos.x(), apos.y()); }

inline void QHeaderView::hideSection(int alogicalIndex)

{ setSectionHidden(alogicalIndex, true); }

inline void QHeaderView::showSection(int alogicalIndex)

{ setSectionHidden(alogicalIndex, false); }

#endif // QT_NO_ITEMVIEWS

QT_END_NAMESPACE

QT_END_HEADER

#endif // QHEADERVIEW_H