Qt Toolkit - qmenubar.h include file

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# qmenubar.h

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

    /****************************************************************************
    ** $Id: qt/src/widgets/qmenubar.h   2.3.0   edited 2001-01-26 $
    **
    ** Definition of QMenuBar class
    **
    ** Created : 941209
    **
    ** 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 QMENUBAR_H
    #define QMENUBAR_H

    #ifndef QT_H
    #include "qpopupmenu.h"
    #endif // QT_H

    #ifndef QT_NO_MENUBAR

    class Q_EXPORT QMenuBar : public QFrame, public QMenuData
    {
        Q_OBJECT
        Q_ENUMS( Separator )
        Q_PROPERTY( Separator separator READ separator WRITE setSeparator )
        Q_PROPERTY( bool defaultUp READ isDefaultUp WRITE setDefaultUp )

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

        void        updateItem( int id );

        void        show();                         // reimplemented show
        void        hide();                         // reimplemented hide

        bool        eventFilter( QObject *, QEvent * );

        int         heightForWidth(int) const;

        enum        Separator { Never=0, InWindowsStyle=1 };
        Separator   separator() const;
        virtual void        setSeparator( Separator when );

        void        setDefaultUp( bool );
        bool        isDefaultUp() const;

        bool customWhatsThis() const;

        QSize sizeHint() const;
        QSize minimumSize() const;
        QSize minimumSizeHint() const;

        void activateItemAt( int index ); // ### virtual in QMenuData 3.0

    signals:
        void        activated( int itemId );
        void        highlighted( int itemId );

    protected:
        void        drawContents( QPainter * );
        void        fontChange( const QFont & );
        void        mousePressEvent( QMouseEvent * );
        void        mouseReleaseEvent( QMouseEvent * );
        void        mouseMoveEvent( QMouseEvent * );
        void        keyPressEvent( QKeyEvent * );
        void        focusInEvent( QFocusEvent * );
        void        focusOutEvent( QFocusEvent * );
        void        resizeEvent( QResizeEvent * );
        void        leaveEvent( QEvent * );
        void        menuContentsChanged();
        void        menuStateChanged();
        void        styleChange( QStyle& );

    private slots:
        void        subActivated( int itemId );
        void        subHighlighted( int itemId );
    #ifndef QT_NO_ACCEL
        void        accelActivated( int itemId );
        void        accelDestroyed();
    #endif
    private:
        void        menuInsPopup( QPopupMenu * );
        void        menuDelPopup( QPopupMenu * );
        void        frameChanged();

        bool        tryMouseEvent( QPopupMenu *, QMouseEvent * );
        void        tryKeyEvent( QPopupMenu *, QKeyEvent * );
        void        goodbye( bool cancelled = FALSE );
        void        openActPopup();
        void        hidePopups();

        virtual void        setActItem( int, bool = FALSE );
        virtual void        setWindowsAltMode( bool, int = 0 );

        void setActiveItem( int index, bool show = TRUE, bool activate_first_item = TRUE );
        void setAltMode( bool );

        int         calculateRects( int max_width = -1 );
        int         itemAtPos( const QPoint & );
        QRect       itemRect( int item );

    #ifndef QT_NO_ACCEL
        void        setupAccelerators();
        QAccel     *autoaccel;
    #endif
        QRect      *irects;
        int         rightSide;

        uint        mseparator : 1;
        uint        waitforalt : 1;
        uint        popupvisible  : 1;
        uint        hasmouse : 1;
        uint        defaultup : 1;
        uint        toggleclose : 1;

        friend class QPopupMenu;

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

    #endif // QT_NO_MENUBAR

    #endif // QMENUBAR_H