qmenubar.h

/****************************************************************************
** $Id: qmenubar.h,v 2.24 1999/06/23 17:53:28 ettrich Exp $
**
** Definition of QMenuBar class
**
** Created : 941209
**
** Copyright (C) 1992-1999 Troll Tech AS.  All rights reserved.
**
** This file is part of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Troll Tech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** Licensees holding valid Qt Professional Edition licenses may use this
** file in accordance with the Qt Professional Edition License Agreement
** provided with the Qt Professional Edition.
**
** See http://www.troll.no/pricing.html or email sales@troll.no for
** information about the Professional Edition licensing, or see
** http://www.troll.no/qpl/ for QPL licensing information.
**
*****************************************************************************/

#ifndef QMENUBAR_H
#define QMENUBAR_H

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


class Q_EXPORT QMenuBar : public QFrame, public QMenuData
{
    Q_OBJECT
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 );

    bool customWhatsThis() const;

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        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();
    void        openActPopup();
    void        hidePopups();

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

    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        windowsaltactive : 1;

    friend class QPopupMenu;

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


#endif // QMENUBAR_H