qlabel.h Include File

Home | All Classes | Main Classes | Annotated | Grouped Classes | Functions |

# qlabel.h

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

    /**********************************************************************
    ** $Id: qt/qlabel.h   3.3.8   edited Jan 11 14:38 $
    **
    ** Definition of QLabel widget class
    **
    ** Created : 941215
    **
    ** 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 QLABEL_H
    #define QLABEL_H

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

    #ifndef QT_NO_LABEL

    class QSimpleRichText;
    class QLabelPrivate;

    class Q_EXPORT QLabel : public QFrame
    {
        Q_OBJECT
        Q_PROPERTY( QString text READ text WRITE setText )
        Q_PROPERTY( TextFormat textFormat READ textFormat WRITE setTextFormat )
        Q_PROPERTY( QPixmap pixmap READ pixmap WRITE setPixmap )
        Q_PROPERTY( bool scaledContents READ hasScaledContents WRITE setScaledContents )
        Q_PROPERTY( Alignment alignment READ alignment WRITE setAlignment )
        Q_PROPERTY( int indent READ indent WRITE setIndent )
        Q_OVERRIDE( BackgroundMode backgroundMode DESIGNABLE true)

    public:
        QLabel( QWidget *parent, const char* name=0, WFlags f=0 );
        QLabel( const QString &text, QWidget *parent, const char* name=0,
    	    WFlags f=0 );
        QLabel( QWidget *buddy, const QString &,
    	    QWidget *parent, const char* name=0, WFlags f=0 );
        ~QLabel();

        QString	 text()		const	{ return ltext; }
        QPixmap     *pixmap()	const	{ return lpixmap; }
    #ifndef QT_NO_PICTURE
        QPicture    *picture()	const	{ return lpicture; }
    #endif
    #ifndef QT_NO_MOVIE
        QMovie      *movie()		const;
    #endif

        TextFormat textFormat() const;
        void 	 setTextFormat( TextFormat );

        int		 alignment() const	{ return align; }
        virtual void setAlignment( int );
        int		 indent() const		{ return extraMargin; }
        void 	 setIndent( int );

        bool 	 autoResize() const	{ return autoresize; }
        virtual void setAutoResize( bool );
    #ifndef QT_NO_IMAGE_SMOOTHSCALE
        bool 	hasScaledContents() const;
        void 	setScaledContents( bool );
    #endif
        QSize	 sizeHint() const;
        QSize	 minimumSizeHint() const;
    #ifndef QT_NO_ACCEL
        virtual void setBuddy( QWidget * );
        QWidget     *buddy() const;
    #endif
        int		 heightForWidth(int) const;

        void setFont( const QFont &f );

    public slots:
        virtual void setText( const QString &);
        virtual void setPixmap( const QPixmap & );
    #ifndef QT_NO_PICTURE
        virtual void setPicture( const QPicture & );
    #endif
    #ifndef QT_NO_MOVIE
        virtual void setMovie( const QMovie & );
    #endif
        virtual void setNum( int );
        virtual void setNum( double );
        void	 clear();

    protected:
        void	 drawContents( QPainter * );
        void	 fontChange( const QFont & );
        void	 resizeEvent( QResizeEvent* );

    private slots:
    #ifndef QT_NO_ACCEL
        void	 acceleratorSlot();
        void	 buddyDied();
    #endif
    #ifndef QT_NO_MOVIE
        void	 movieUpdated(const QRect&);
        void	 movieResized(const QSize&);
    #endif

    private:
        void	init();
        void	clearContents();
        void	updateLabel( QSize oldSizeHint );
        QSize	sizeForWidth( int w ) const;
        QString	ltext;
        QPixmap    *lpixmap;
    #ifndef QT_NO_PICTURE
        QPicture   *lpicture;
    #endif
    #ifndef QT_NO_MOVIE
        QMovie *	lmovie;
    #endif
    #ifndef QT_NO_ACCEL
        QWidget *	lbuddy;
    #endif
        ushort	align;
        short	extraMargin;
        uint	autoresize:1;
        uint	scaledcontents :1;
        TextFormat textformat;
    #ifndef QT_NO_RICHTEXT
        QSimpleRichText* doc;
    #endif
    #ifndef QT_NO_ACCEL
        QAccel *	accel;
    #endif
        QLabelPrivate* d;

        friend class QTipLabel;

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

    #endif // QT_NO_LABEL

    #endif // QLABEL_H