/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** following information to ensure the GNU Lesser General Public License
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****************************************************************************/

#ifndef QTBOX_H
#define QTBOX_H

#include <QtWidgets>

#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 Q_DECL_OVERRIDE;
    virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) Q_DECL_OVERRIDE;
protected:
    virtual ItemBase *createNew(int size, int x, int y) = 0;
    virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) Q_DECL_OVERRIDE;
    virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event) Q_DECL_OVERRIDE;
    virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event) Q_DECL_OVERRIDE;
    virtual void mousePressEvent(QGraphicsSceneMouseEvent *event) Q_DECL_OVERRIDE;
    virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) Q_DECL_OVERRIDE;
    virtual void keyPressEvent(QKeyEvent *event) Q_DECL_OVERRIDE;
    virtual void wheelEvent(QGraphicsSceneWheelEvent *event) Q_DECL_OVERRIDE;
    virtual int type() const Q_DECL_OVERRIDE;
    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) Q_DECL_OVERRIDE;
protected:
    virtual ItemBase *createNew(int size, int x, int y) Q_DECL_OVERRIDE;
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) Q_DECL_OVERRIDE;
protected:
    virtual ItemBase *createNew(int size, int x, int y) Q_DECL_OVERRIDE;

    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) Q_DECL_OVERRIDE;
protected:
    virtual ItemBase *createNew(int size, int x, int y) Q_DECL_OVERRIDE;

    QPixmap m_image;
};

#endif