qmenudata.h

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

---

/****************************************************************************
** $Id: //depot/qt/main/src/widgets/qmenudata.h#78 $
**
** Definition of QMenuData class
**
** Created : 941128
**
** 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
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**********************************************************************/

#ifndef QMENUDATA_H
#define QMENUDATA_H

#ifndef QT_H
#include "qglobal.h"

// if we did not include QIconSet, we would break code due to the missing
// conversion QPixmap->QIconset
#include "qiconset.h"

#endif // QT_H

#ifndef QT_NO_MENUDATA

class QPopupMenu;
class QMenuDataData;
class QObject;

#if defined(INCLUDE_MENUITEM_DEF)

#include "qstring.h"
#include "qsignal.h"
#include "qfont.h"

class QCustomMenuItem;
class QMenuItemData;

class Q_EXPORT QMenuItem                        // internal menu item class
{
friend class QMenuData;
public:
    QMenuItem();
   ~QMenuItem();

    int         id()            const   { return ident; }
    QIconSet   *iconSet()       const   { return iconset_data; }
    QString     text()          const   { return text_data; }
    QString     whatsThis()     const   { return whatsthis_data; }
    QPixmap    *pixmap()        const   { return pixmap_data; }
    QPopupMenu *popup()         const   { return popup_menu; }
    QWidget *widget()           const   { return widget_item; }
    QCustomMenuItem *custom()   const;
    int         key()           const   { return accel_key; }
    QSignal    *signal()        const   { return signal_data; }
    bool        isSeparator()   const   { return is_separator; }
    bool        isEnabled()     const   { return is_enabled; }
    bool        isChecked()     const   { return is_checked; }
    bool        isDirty()       const   { return is_dirty; }

    void        setText( const QString &text ) { text_data = text; }
    void        setDirty( bool dirty )         { is_dirty = dirty; }
    void        setWhatsThis( const QString &text ) { whatsthis_data = text; }

private:
    int         ident;                          // item identifier
    QIconSet   *iconset_data;                   // icons
    QString     text_data;                      // item text
    QString     whatsthis_data;                 // item Whats This help text
    QPixmap    *pixmap_data;                    // item pixmap
    QPopupMenu *popup_menu;                     // item popup menu
    QWidget    *widget_item;                            // widget menu item
    int         accel_key;                      // accelerator key (state|ascii)
    QSignal    *signal_data;                    // connection
    uint        is_separator : 1;               // separator flag
    uint        is_enabled   : 1;               // disabled flag
    uint        is_checked   : 1;               // checked flag
    uint        is_dirty     : 1;               // dirty (update) flag
    QMenuItemData* d;

    QMenuItemData* extra();

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

#include "qlist.h"
typedef QList<QMenuItem>         QMenuItemList;
typedef QListIterator<QMenuItem> QMenuItemListIt;

#else

class QMenuItem;
class QMenuItemList;
class QPixmap;

#endif // INCLUDE_MENUITEM_TEXT



class Q_EXPORT QCustomMenuItem : public Qt
{
public:
    QCustomMenuItem();
    virtual ~QCustomMenuItem();
    virtual bool fullSpan() const;
    virtual bool isSeparator() const;
    virtual void setFont( const QFont& font );
    virtual void paint( QPainter* p, const QColorGroup& cg, bool act,
                        bool enabled, int x, int y, int w, int h ) = 0;
    virtual QSize sizeHint() = 0;
};


class Q_EXPORT QMenuData                        // menu data class
{
friend class QMenuBar;
friend class QPopupMenu;
public:
    QMenuData();
    virtual ~QMenuData();

    uint        count() const;


    int         insertItem( const QString &text,
                            const QObject *receiver, const char* member,
                            int accel = 0, int id = -1, int index = -1 );
    int         insertItem( const QIconSet& icon,
                            const QString &text,
                            const QObject *receiver, const char* member,
                            int accel = 0, int id = -1, int index = -1 );
    int         insertItem( const QPixmap &pixmap,
                            const QObject *receiver, const char* member,
                            int accel = 0, int id = -1, int index = -1 );
    int         insertItem( const QIconSet& icon,
                            const QPixmap &pixmap,
                            const QObject *receiver, const char* member,
                            int accel = 0, int id = -1, int index = -1 );




    int         insertItem( const QString &text, int id=-1, int index=-1 );
    int         insertItem( const QIconSet& icon,
                            const QString &text, int id=-1, int index=-1 );

    int         insertItem( const QString &text, QPopupMenu *popup,
                            int id=-1, int index=-1 );
    int         insertItem( const QIconSet& icon,
                            const QString &text, QPopupMenu *popup,
                            int id=-1, int index=-1 );


    int         insertItem( const QPixmap &pixmap, int id=-1, int index=-1 );
    int         insertItem( const QIconSet& icon,
                            const QPixmap &pixmap, int id=-1, int index=-1 );
    int         insertItem( const QPixmap &pixmap, QPopupMenu *popup,
                            int id=-1, int index=-1 );
    int         insertItem( const QIconSet& icon,
                            const QPixmap &pixmap, QPopupMenu *popup,
                            int id=-1, int index=-1 );

    int         insertItem( QWidget* widget, int id=-1, int index=-1 );

    int         insertItem( const QIconSet& icon, QCustomMenuItem* custom, int id=-1, int index=-1 );
    int         insertItem( QCustomMenuItem* custom, int id=-1, int index=-1 );


    int         insertSeparator( int index=-1 );

    void        removeItem( int id )            { removeItemAt(indexOf(id)); }
    void        removeItemAt( int index );
    void        clear();

    int         accel( int id )         const;
    void        setAccel( int key, int id );

    QIconSet    *iconSet( int id )      const;
    QString text( int id )              const;
    QPixmap    *pixmap( int id )        const;

    void setWhatsThis( int id, const QString& );
    QString whatsThis( int id ) const;


    void        changeItem( int id, const QString &text );
    void        changeItem( int id, const QPixmap &pixmap );
    void        changeItem( int id, const QIconSet &icon, const QString &text );
    void        changeItem( int id, const QIconSet &icon, const QPixmap &pixmap );

    void        changeItem( const QString &text, int id ); // obsolete
    void        changeItem( const QPixmap &pixmap, int id ); // obsolete
    void        changeItem( const QIconSet &icon, const QString &text, int id ); // obsolete


    bool        isItemEnabled( int id ) const;
    void        setItemEnabled( int id, bool enable );

    bool        isItemChecked( int id ) const;
    void        setItemChecked( int id, bool check );

    virtual void updateItem( int id );

    int         indexOf( int id )       const;
    int         idAt( int index )       const;
    virtual void        setId( int index, int id );

    bool        connectItem( int id,
                             const QObject *receiver, const char* member );
    bool        disconnectItem( int id,
                                const QObject *receiver, const char* member );

    bool        setItemParameter( int id, int param );
    int itemParameter( int id ) const;

    QMenuItem  *findItem( int id )      const;
    QMenuItem  *findItem( int id, QMenuData ** parent ) const;

    void activateItemAt( int index );

protected:
    int            actItem;
    QMenuItemList *mitems;
    QMenuData     *parentMenu;
    uint           isPopupMenu  : 1;
    uint           isMenuBar    : 1;
    uint           badSize      : 1;
    uint           mouseBtDn    : 1;
    uint        avoid_circularity : 1;
    uint        actItemDown : 1;
    virtual void   menuContentsChanged();
    virtual void   menuStateChanged();
    virtual void   menuInsPopup( QPopupMenu * );
    virtual void   menuDelPopup( QPopupMenu * );

    QMenuItem * findPopup( QPopupMenu *, int *index = 0 );

private:
    int         insertAny( const QString *, const QPixmap *, QPopupMenu *,
                           const QIconSet*, int, int, QWidget* = 0, QCustomMenuItem* = 0);
    void        removePopup( QPopupMenu * );
    virtual void        setAllDirty( bool );
    void        changeItemIconSet( int id, const QIconSet &icon );

    QMenuDataData *d;

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


#endif // QT_NO_MENUDATA

#endif // QMENUDATA_H