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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
** This file is part of the QtGui module of the Qt Toolkit.
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE


#include <QtGui/qabstractitemview.h>




class QHeaderViewPrivate;

00037 class Q_GUI_EXPORT QHeaderView : public QAbstractItemView
00040     Q_PROPERTY(bool showSortIndicator READ isSortIndicatorShown WRITE setSortIndicatorShown)
00041     Q_PROPERTY(bool highlightSections READ highlightSections WRITE setHighlightSections)
00042     Q_PROPERTY(bool stretchLastSection READ stretchLastSection WRITE setStretchLastSection)
00043     Q_PROPERTY(bool cascadingSectionResizes READ cascadingSectionResizes WRITE setCascadingSectionResizes)
00044     Q_PROPERTY(int defaultSectionSize READ defaultSectionSize WRITE setDefaultSectionSize)
00045     Q_PROPERTY(int minimumSectionSize READ minimumSectionSize WRITE setMinimumSectionSize)
00046     Q_PROPERTY(Qt::Alignment defaultAlignment READ defaultAlignment WRITE setDefaultAlignment)


00051     enum ResizeMode
        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;

public Q_SLOTS:
    void setOffset(int offset);
    void setOffsetToSectionPosition(int visualIndex);
    void headerDataChanged(Qt::Orientation orientation, int logicalFirst, int logicalLast);

    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 sectionDoubleClicked(int logicalIndex);
    void sectionCountChanged(int oldCount, int newCount);
    void sectionHandleDoubleClicked(int logicalIndex);
    void sectionAutoResize(int logicalIndex, QHeaderView::ResizeMode mode);
    void geometriesChanged();

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);

    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&, QItemSelectionModel::SelectionFlags);
    QRegion visualRegionForSelection(const QItemSelection &selection) const;

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

00202 inline int QHeaderView::logicalIndexAt(int ax, int ay) const
{ return orientation() == Qt::Horizontal ? logicalIndexAt(ax) : logicalIndexAt(ay); }
00204 inline int QHeaderView::logicalIndexAt(const QPoint &apos) const
{ return logicalIndexAt(apos.x(), apos.y()); }
00206 inline void QHeaderView::hideSection(int alogicalIndex)
{ setSectionHidden(alogicalIndex, true); }
00208 inline void QHeaderView::showSection(int alogicalIndex)
{ setSectionHidden(alogicalIndex, false); }




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