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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
** This file is part of the Qt3Support 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

#ifndef Q3HEADER_H
#define Q3HEADER_H

#include <QtGui/qicon.h>
#include <QtGui/qwidget.h>
#include <QtCore/qstring.h>



#ifndef QT_NO_HEADER

class QShowEvent;
class Q3HeaderData;
class Q3Table;
class Q3ListView;

00042 class Q_COMPAT_EXPORT Q3Header : public QWidget
    friend class Q3Table;
    friend class Q3TableHeader;
    friend class Q3ListView;

00049     Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)
00050     Q_PROPERTY(bool tracking READ tracking WRITE setTracking)
00051     Q_PROPERTY(int count READ count)
00052     Q_PROPERTY(int offset READ offset WRITE setOffset)
00053     Q_PROPERTY(bool moving READ isMovingEnabled WRITE setMovingEnabled)
00054     Q_PROPERTY(bool stretching READ isStretchEnabled WRITE setStretchEnabled)

    Q3Header(QWidget* parent=0, const char* name=0);
    Q3Header(int, QWidget* parent=0, const char* name=0);

    int                addLabel(const QString &, int size = -1);
    int                addLabel(const QIcon&, const QString &, int size = -1);
    void         removeLabel(int section);
    virtual void setLabel(int, const QString &, int size = -1);
    virtual void setLabel(int, const QIcon&, const QString &, int size = -1);
    QString         label(int section) const;
    QIcon*         iconSet(int section) const;

    virtual void setOrientation(Qt::Orientation);
    Qt::Orientation orientation() const;
    virtual void setTracking(bool enable);
    bool        tracking() const;

    virtual void setClickEnabled(bool, int section = -1);
    virtual void setResizeEnabled(bool, int section = -1);
    virtual void setMovingEnabled(bool);
    virtual void setStretchEnabled(bool b, int section);
    void         setStretchEnabled(bool b) { setStretchEnabled(b, -1); }
    bool         isClickEnabled(int section = -1) const;
    bool         isResizeEnabled(int section = -1) const;
    bool         isMovingEnabled() const;
    bool         isStretchEnabled() const;
    bool         isStretchEnabled(int section) const;

    void         resizeSection(int section, int s);
    int                sectionSize(int section) const;
    int                sectionPos(int section) const;
    int                sectionAt(int pos) const;
    int                count() const;
    int         headerWidth() const;
    QRect        sectionRect(int section) const;

    virtual void setCellSize(int , int); // obsolete, do not use
00094     int                cellSize(int i) const { return sectionSize(mapToSection(i)); } // obsolete, do not use
    int                cellPos(int) const; // obsolete, do not use
00096     int                cellAt(int pos) const { return mapToIndex(sectionAt(pos + offset())); } // obsolete, do not use

    int         offset() const;

    QSize        sizeHint() const;

    int                mapToSection(int index) const;
    int                mapToIndex(int section) const;
    int                mapToLogical(int) const; // obsolete, do not use
    int                mapToActual(int) const; // obsolete, do not use

    void         moveSection(int section, int toIndex);
    virtual void moveCell(int, int); // obsolete, do not use

    void         setSortIndicator(int section, bool ascending = true); // obsolete, do not use
00111     inline void setSortIndicator(int section, Qt::SortOrder order)
        { setSortIndicator(section, (order == Qt::AscendingOrder)); }
    int                sortIndicatorSection() const;
    Qt::SortOrder        sortIndicatorOrder() const;

00116     void        adjustHeaderSize() { adjustHeaderSize(-1); }

public Q_SLOTS:
    void         setUpdatesEnabled(bool enable);
    virtual void setOffset(int pos);

    void        clicked(int section);
    void        pressed(int section);
    void        released(int section);
    void        sizeChange(int section, int oldSize, int newSize);
    void        indexChange(int section, int fromIndex, int toIndex);
    void        sectionClicked(int); // obsolete, do not use
    void        moved(int, int); // obsolete, do not use
    void        sectionHandleDoubleClicked(int section);

    void        paintEvent(QPaintEvent *);
    void        showEvent(QShowEvent *e);
    void         resizeEvent(QResizeEvent *e);
    QRect        sRect(int index);

    virtual void paintSection(QPainter *p, int index, const QRect& fr);
    virtual void paintSectionLabel(QPainter* p, int index, const QRect& fr);

    void        changeEvent(QEvent *);
    void        mousePressEvent(QMouseEvent *);
    void        mouseReleaseEvent(QMouseEvent *);
    void        mouseMoveEvent(QMouseEvent *);
    void        mouseDoubleClickEvent(QMouseEvent *);

    void        keyPressEvent(QKeyEvent *);
    void        keyReleaseEvent(QKeyEvent *);

    void        handleColumnMove(int fromIdx, int toIdx);
    void         adjustHeaderSize(int diff);
    void        init(int);

    void        paintRect(int p, int s);
    void        markLine(int idx);
    void        unMarkLine(int idx);
    int                pPos(int i) const;
    int                pSize(int i) const;
    int         findLine(int);
    int                handleAt(int p);
    bool         reverse() const;
    void         calculatePositions(bool onlyVisible = false, int start = 0);
    void        handleColumnResize(int, int, bool, bool = true);
    QSize        sectionSizeHint(int section, const QFontMetrics& fm) const;
    void        setSectionSizeAndHeight(int section, int size);

    void         resizeArrays(int size);
    void         setIsATableHeader(bool b);
    int                offs;
    int                handleIdx;
    int                oldHIdxSize;
    int                moveToIdx;
    enum State { Idle, Sliding, Pressed, Moving, Blocked };
    State        state;
    int        clickPos;
    bool        trackingIsOn;
    int oldHandleIdx;
    int        cachedPos; // not used
    Qt::Orientation orient;

    Q3HeaderData *d;


inline Qt::Orientation Q3Header::orientation() const
    return orient;

inline void Q3Header::setTracking(bool enable) { trackingIsOn = enable; }
inline bool Q3Header::tracking() const { return trackingIsOn; }

extern Q_COMPAT_EXPORT bool qt_qheader_label_return_null_strings; // needed for professional edition

#endif // QT_NO_HEADER


#endif // Q3HEADER_H

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