Qt Toolkit - qmenudata.h include file

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# 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: qt/src/widgets/qmenudata.h   2.3.7   edited 2001-01-26 $
    **
    ** 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
    ** not clear to you.
    **
    **********************************************************************/

    #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