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qmenubar.h

/****************************************************************************
** $Id: qt/src/widgets/qmenubar.h   2.2.1   edited 2000-08-25 $
**
** 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 );
    void        accelActivated( int itemId );
    void        accelDestroyed();

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 );

    void        setupAccelerators();
    QAccel     *autoaccel;
    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