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/qmenudata.h   3.3.8   edited Jan 11 14:38 $
    **
    ** Definition of QMenuData class
    **
    ** Created : 941128
    **
    ** Copyright (C) 1992-2007 Trolltech ASA.  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 ASA 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"
    #include "qiconset.h" // conversion QPixmap->QIconset
    #include "qkeysequence.h"
    #include "qstring.h"
    #include "qsignal.h"
    #include "qfont.h"
    #endif // QT_H

    #ifndef QT_NO_MENUDATA

    class QPopupMenu;
    class QMenuDataData;
    class QObject;

    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;
    #ifndef QT_NO_ACCEL
        QKeySequence key()		const	{ return accel_key; }
    #endif
        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; }
        bool	isVisible()	const	{ return is_visible; }
        bool	isEnabledAndVisible() const { return is_enabled && is_visible; }

        void	setText( const QString &text ) { text_data = text; }
        void	setDirty( bool dirty )	       { is_dirty = dirty; }
        void	setVisible( bool visible )	       { is_visible = visible; }
        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
    #ifndef QT_NO_ACCEL
        QKeySequence	accel_key;		// accelerator key (state|ascii)
    #endif
        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
        uint	is_visible     : 1;		// visibility 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 "qptrlist.h"
    typedef QPtrList<QMenuItem>	 QMenuItemList;
    typedef QPtrListIterator<QMenuItem> QMenuItemListIt;

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

    #ifndef QT_NO_ACCEL
        QKeySequence accel( int id )	const;
        void	setAccel( const QKeySequence& key, int id );
    #endif

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

        bool	isItemActive( int id ) const;

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

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

        bool	isItemVisible( int id ) const;
        void	setItemVisible( int id, bool visible );

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

        virtual 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 * );

    private:
        int		insertAny( const QString *, const QPixmap *, QPopupMenu *,
    			   const QIconSet*, int, int, QWidget* = 0, QCustomMenuItem* = 0);
        void	removePopup( QPopupMenu * );
        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