qlabel.h

/**********************************************************************
** $Id: qlabel.h,v 2.28 1999/06/17 19:46:37 paul Exp $
**
** Definition of QLabel widget class
**
** Created : 941215
**
** 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 QLABEL_H
#define QLABEL_H

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

class QSimpleRichText;
class QLabelPrivate;

class Q_EXPORT QLabel : public QFrame
{
    Q_OBJECT
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; }
    QMovie     *movie()         const;

    Qt::TextFormat textFormat() const;
    void setTextFormat( Qt::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 );
    QSize       sizeHint() const;
    QSizePolicy sizePolicy() const;

    virtual void setBuddy( QWidget * );
    QWidget    *buddy() const;

    void setAutoMask(bool);

    int heightForWidth(int) const;

public slots:
    virtual void        setText( const QString &);
    virtual void        setPixmap( const QPixmap & );
    virtual void        setMovie( const QMovie & );
    virtual void        setNum( int );
    virtual void        setNum( double );
    void        clear();

protected:
    void        drawContents( QPainter * );
    void        drawContentsMask( QPainter * );

private slots:
    void        acceleratorSlot();
    void        buddyDied();
    void        movieUpdated(const QRect&);
    void        movieResized(const QSize&);

private:
    void init();
    void        updateLabel();
    QSize       sizeForWidth( int w ) const;
    QString     ltext;
    QPixmap    *lpixmap;
    QMovie *    lmovie;
    QWidget *   lbuddy;
    ushort      align;
    short       extraMargin;
    uint        autoresize:1;
    Qt::TextFormat textformat;
    QSimpleRichText* doc;
    QAccel *    accel;  // NON NULL
    QLabelPrivate* d;

    void        unsetMovie();

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


#endif // QLABEL_H