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# qtabbar.h

This is the verbatim text of the qtabbar.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id: qt/src/widgets/qtabbar.h   2.3.5   edited 2001-01-26 $
    **
    ** Definition of QTab and QTabBar classes
    **
    ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the widgets module of the Qt GUI Toolkit.
    **
    ** This file may be distributed under the terms of the Q Public License
    ** as defined by Trolltech AS of Norway and appearing in the file
    ** LICENSE.QPL included in the packaging of this file.
    **
    ** This file may be distributed and/or modified under the terms of the
    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
    **
    ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
    ** licenses may use this file in accordance with the Qt Commercial License
    ** Agreement provided with the Software.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    **   information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/qpl/ for QPL licensing information.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    **********************************************************************/

    #ifndef QTABBAR_H
    #define QTABBAR_H

    #ifndef QT_H
    #include "qwidget.h"
    #include "qpainter.h"
    #include "qlist.h"
    #include "qiconset.h"
    #endif // QT_H

    #ifndef QT_NO_TABBAR

    class Q_EXPORT QTab
    {
    public:
        QTab(): enabled( TRUE ), id( 0 ), iconset( 0 ) {}
        virtual ~QTab();
        QTab( const QString& text )
            : label( text ), enabled( TRUE ), id( 0 ), iconset( 0 ) {}
        QTab( const QIconSet& icon, const QString& text = QString::null )
            : label( text ), enabled( TRUE ), id( 0 ), iconset( new QIconSet(icon) ) {}
    #if 1
        void setText( const QString& text) { label = text; }
        QString text() const { return label; }
        void setIconSet( const QIconSet& icon ) { iconset = new QIconSet( icon ); }
        QIconSet* iconSet() const { return iconset; }
        void setRect( const QRect& rect ) { r = rect; }
        QRect rect() const { return r; }
        void setEnabled( bool enable ) { enabled = enable; }
        bool isEnabled() const { return enabled; }
        void setIdentifier( int i ) { id = i; }
        int identitifer() const { return id; }
    #endif
    // private: (public for compatibility, ### change 3.0)
        QString label;
        QRect r;    // the bounding rectangle of this - may overlap with others
        bool enabled;
        int id;
        QIconSet* iconset;     // optional iconset
    };

    struct QTabPrivate;

    class Q_EXPORT QTabBar: public QWidget
    {
        Q_OBJECT
        Q_ENUMS( Shape )
        Q_PROPERTY( Shape shape READ shape WRITE setShape )
        Q_PROPERTY( int currentTab READ currentTab WRITE setCurrentTab )
        Q_PROPERTY( int count READ count )
        Q_PROPERTY( int keyboardFocusTab READ keyboardFocusTab )

    public:
        QTabBar( QWidget *parent = 0, const char *name = 0 );
       ~QTabBar();

        enum Shape { RoundedAbove, RoundedBelow,
                     TriangularAbove, TriangularBelow };

        Shape shape() const;
        virtual void setShape( Shape );

        void show();

        virtual int addTab( QTab * );
        virtual int insertTab( QTab *, int index = -1 );
        virtual void removeTab( QTab * );

        virtual void setTabEnabled( int, bool );
        bool isTabEnabled( int ) const;

        QSize sizeHint() const;
        QSize minimumSizeHint() const;
        QSizePolicy sizePolicy() const;

        int currentTab() const;
        int keyboardFocusTab() const;

        QTab * tab( int );
        int count() const;

        virtual void layoutTabs();

    public slots:
        virtual void setCurrentTab( int );
        virtual void setCurrentTab( QTab * );

    signals:
        void  selected( int );

    protected:
        virtual void paint( QPainter *, QTab *, bool ) const; // ### not const
        virtual void paintLabel( QPainter*, const QRect&, QTab*, bool ) const;

        void focusInEvent( QFocusEvent *e );
        void focusOutEvent( QFocusEvent *e );

        virtual QTab * selectTab( const QPoint & p ) const;
        void updateMask();

        void resizeEvent( QResizeEvent * );
        void paintEvent( QPaintEvent * );
        void mousePressEvent ( QMouseEvent * );
        void mouseReleaseEvent ( QMouseEvent * );
        void keyPressEvent( QKeyEvent * );
        void styleChange( QStyle& );

        QList<QTab> * tabList();

    private slots:
        void scrollTabs();

    private:
        QList<QTab> * l;
        QList<QTab> * lstatic;
        void makeVisible( QTab* t  );
        void updateArrowButtons();
        QTabPrivate * d;

    private:        // Disabled copy constructor and operator=
    #if defined(Q_DISABLE_COPY)
        QTabBar( const QTabBar & );
        QTabBar& operator=( const QTabBar & );
    #endif
    };

    #endif // QT_NO_TABBAR

    #endif // QTABBAR_H