qt5base-lts/examples/widgets/graphicsview/boxes/qtbox.h
hjk 40a54bf565 Examples: Replace 'Q_DECL_OVERRIDE' by 'override'
Examples should demonstrate best practice, and we can use the keyword
directly nowadays.

Change-Id: I1f122e5caceca17290757ffbaf3d660e7daa9ae4
Reviewed-by: Topi Reiniö <topi.reinio@theqtcompany.com>
2016-06-15 09:32:30 +00:00

128 lines
4.8 KiB
C++

/****************************************************************************
**
** 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.
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** 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
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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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 override;
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
protected:
virtual ItemBase *createNew(int size, int x, int y) = 0;
virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event) override;
virtual void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
virtual void keyPressEvent(QKeyEvent *event) override;
virtual void wheelEvent(QGraphicsSceneWheelEvent *event) override;
virtual int type() const 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) override;
protected:
virtual ItemBase *createNew(int size, int x, int y) 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) override;
protected:
virtual ItemBase *createNew(int size, int x, int y) 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) override;
protected:
virtual ItemBase *createNew(int size, int x, int y) override;
QPixmap m_image;
};
#endif