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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef ARTHURWIDGETS_H
#define ARTHURWIDGETS_H

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

QT_FORWARD_DECLARE_CLASS(QOpenGLWindow)
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 QT_CONFIG(opengl)
    QOpenGLWindow *glWindow() const { return m_glWindow; }
#endif

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

#if QT_CONFIG(opengl)
    void enableOpenGL(bool use_opengl);
    bool usesOpenGL() { return m_use_opengl; }
#endif

signals:
    void descriptionEnabledChanged(bool);

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

#if QT_CONFIG(opengl)
    virtual void createGlWindow();
    QOpenGLWindow *m_glWindow;
    QWidget *m_glWidget;
    bool m_use_opengl;
#endif
    QPixmap m_tile;

    bool m_show_doc;
    bool m_prefer_image;
    QTextDocument *m_document;

    QString m_sourceFileName;

};

#endif