source: branches/4.5.1/demos/shared/arthurwidgets.h@ 1063

/****************************************************************************
**
** Copyright (C) 2009 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 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 the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#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