/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
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** This file is part of the demonstration applications of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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** 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 or version 3 as published by the Free
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
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** 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
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****************************************************************************/

#ifndef QTBOX_H
#define QTBOX_H

#include <QtGui>

#include <QtGui/qvector3d.h>
#include "glbuffers.h"

class ItemBase : public QGraphicsItem
{
public:
    enum { Type = UserType + 1 };

    ItemBase(int size, int x, int y);
    virtual ~ItemBase();
    virtual QRectF boundingRect() const;
    virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
protected:
    virtual ItemBase *createNew(int size, int x, int y) = 0;
    virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
    virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
    virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
    virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
    virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
    virtual void keyPressEvent(QKeyEvent *event);
    virtual void wheelEvent(QGraphicsSceneWheelEvent *event);
    virtual int type() const;
    bool isInResizeArea(const QPointF &pos);

    static void duplicateSelectedItems(QGraphicsScene *scene);
    static void deleteSelectedItems(QGraphicsScene *scene);
    static void growSelectedItems(QGraphicsScene *scene);
    static void shrinkSelectedItems(QGraphicsScene *scene);

    int m_size;
    QTime m_startTime;
    bool m_isResizing;
};

class QtBox : public ItemBase
{
public:
    QtBox(int size, int x, int y);
    virtual ~QtBox();
    virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
protected:
    virtual ItemBase *createNew(int size, int x, int y);
private:
    QVector3D m_vertices[8];
    QVector3D m_texCoords[4];
    QVector3D m_normals[6];
    GLTexture *m_texture;
};

class CircleItem : public ItemBase
{
public:
    CircleItem(int size, int x, int y);
    virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
protected:
    virtual ItemBase *createNew(int size, int x, int y);

    QColor m_color;
};

class SquareItem : public ItemBase
{
public:
    SquareItem(int size, int x, int y);
    virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
protected:
    virtual ItemBase *createNew(int size, int x, int y);

    QPixmap m_image;
};

#endif