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arthurwidgets.h

/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file.  Please review the following information
** to ensure GNU General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
** exception, Nokia gives you certain additional rights. These rights
** are described in the Nokia Qt GPL Exception version 1.3, included in
** the file GPL_EXCEPTION.txt in this package.
**
** Qt for Windows(R) Licensees
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** Designer, grants users of the Qt/Eclipse Integration plug-in the
** right for the Qt/Eclipse Integration to link to functionality
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#ifndef ARTHURWIDGETS_H
#define ARTHURWIDGETS_H

#include "arthurstyle.h"
#include <QBitmap>
#include <QPushButton>
#include <QGroupBox>

#if defined(QT_OPENGL_SUPPORT)
#include <QGLWidget>
class GLWidget : public QGLWidget
{
public:
    GLWidget(QWidget *parent)
        : QGLWidget(QGLFormat(QGL::SampleBuffers), parent) {}
    void disableAutoBufferSwap() { setAutoBufferSwap(false); }
    void paintEvent(QPaintEvent *) { parentWidget()->update(); }
};
#endif

QT_FORWARD_DECLARE_CLASS(QTextDocument)
QT_FORWARD_DECLARE_CLASS(QTextEdit)
QT_FORWARD_DECLARE_CLASS(QVBoxLayout)

class ArthurFrame : public QWidget
{
    Q_OBJECT
public:
    ArthurFrame(QWidget *parent);
    virtual void paint(QPainter *) {}


    void paintDescription(QPainter *p);

    void loadDescription(const QString &filename);
    void setDescription(const QString &htmlDesc);

    void loadSourceFile(const QString &fileName);

    bool preferImage() const { return m_prefer_image; }

#if defined(QT_OPENGL_SUPPORT)
    QGLWidget *glWidget() const { return glw; }
#endif

public slots:
    void setPreferImage(bool pi) { m_prefer_image = pi; }
    void setDescriptionEnabled(bool enabled);
    void showSource();

#if defined(QT_OPENGL_SUPPORT)
    void enableOpenGL(bool use_opengl);
    bool usesOpenGL() { return m_use_opengl; }
#endif

signals:
    void descriptionEnabledChanged(bool);

protected:
    void paintEvent(QPaintEvent *);
    void resizeEvent(QResizeEvent *);

#if defined(QT_OPENGL_SUPPORT)
    GLWidget *glw;
    bool m_use_opengl;
#endif
    QPixmap m_tile;

    bool m_show_doc;
    bool m_prefer_image;
    QTextDocument *m_document;

    QString m_sourceFileName;

};

#endif

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