Question

这里是qframe.h包含文件的所有文本，一字不差。它仅仅用来说明，版权由Trolltech保留。

---

/****************************************************************************
** $Id:  qt/qframe.h   3.0.5   edited Nov 15 2001 $
**
** Definition of QFrame widget class
**
** Created : 950201
**
** 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 QFRAME_H
#define QFRAME_H

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

#ifndef QT_NO_FRAME

class Q_EXPORT QFrame : public QWidget
{
    Q_OBJECT
    Q_ENUMS( Shape Shadow )
    Q_PROPERTY( int frameWidth READ frameWidth )
    Q_PROPERTY( QRect contentsRect READ contentsRect )
    Q_PROPERTY( Shape frameShape READ frameShape WRITE setFrameShape )
    Q_PROPERTY( Shadow frameShadow READ frameShadow WRITE setFrameShadow )
    Q_PROPERTY( int lineWidth READ lineWidth WRITE setLineWidth )
    Q_PROPERTY( int margin READ margin WRITE setMargin )
    Q_PROPERTY( int midLineWidth READ midLineWidth WRITE setMidLineWidth )
    Q_PROPERTY( QRect frameRect READ frameRect WRITE setFrameRect DESIGNABLE false )

public:
    QFrame( QWidget* parent=0, const char* name=0, WFlags f=0 );

    int         frameStyle()    const;
    virtual void setFrameStyle( int );

    int         frameWidth()    const;
    QRect       contentsRect()  const;

#ifndef Q_QDOC
    bool        lineShapesOk()  const { return TRUE; }
#endif

    QSize       sizeHint() const;

    enum Shape { NoFrame  = 0,                  // no frame
                 Box      = 0x0001,             // rectangular box
                 Panel    = 0x0002,             // rectangular panel
                 WinPanel = 0x0003,             // rectangular panel (Windows)
                 HLine    = 0x0004,             // horizontal line
                 VLine    = 0x0005,             // vertical line
                 StyledPanel = 0x0006,          // rectangular panel depending on the GUI style
                 PopupPanel = 0x0007,           // rectangular panel depending on the GUI style
                 MenuBarPanel = 0x0008,
                 ToolBarPanel = 0x0009,
		 LineEditPanel = 0x000a,
		 TabWidgetPanel = 0x000b,
                 MShape   = 0x000f              // mask for the shape
    };
    enum Shadow { Plain    = 0x0010,            // plain line
                  Raised   = 0x0020,            // raised shadow effect
                  Sunken   = 0x0030,            // sunken shadow effect
                  MShadow  = 0x00f0 };          // mask for the shadow

    Shape       frameShape()    const;
    void        setFrameShape( Shape );
    Shadow      frameShadow()   const;
    void        setFrameShadow( Shadow );

    int         lineWidth()     const;
    virtual void setLineWidth( int );

    int         margin()        const;
    virtual void setMargin( int );

    int         midLineWidth()  const;
    virtual void setMidLineWidth( int );

    QRect       frameRect()     const;
    virtual void setFrameRect( const QRect & );

protected:
    void        paintEvent( QPaintEvent * );
    void        resizeEvent( QResizeEvent * );
    virtual void drawFrame( QPainter * );
    virtual void drawContents( QPainter * );
    virtual void frameChanged();

private:
    void        updateFrameWidth();
    QRect       frect;
    int         fstyle;
    short       lwidth;
    short       mwidth;
    short       mlwidth;
    short       fwidth;

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


inline int QFrame::frameStyle() const
{ return fstyle; }

inline QFrame::Shape QFrame::frameShape() const
{ return (Shape) ( fstyle & MShape ); }

inline QFrame::Shadow QFrame::frameShadow() const
{ return (Shadow) ( fstyle & MShadow ); }

inline void QFrame::setFrameShape( QFrame::Shape s )
{ setFrameStyle( ( fstyle & MShadow ) | s ); }

inline void QFrame::setFrameShadow( QFrame::Shadow s )
{ setFrameStyle( ( fstyle & MShape ) | s ); }

inline int QFrame::lineWidth() const
{ return lwidth; }

inline int QFrame::midLineWidth() const
{ return mlwidth; }

inline int QFrame::margin() const
{ return mwidth; }

inline int QFrame::frameWidth() const
{ return fwidth; }


#endif // QT_NO_FRAME

#endif // QFRAME_H