robot.h

QT 开发环境里面一个很重要的文件

/****************************************************************************
**
** Copyright (C) 2006-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at [e-mail].
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef ROBOT_H
#define ROBOT_H

#include <QGraphicsItem>

class QGraphicsSceneMouseEvent;
class QTimeLine;

class RobotPart : public QGraphicsItem
{
public:
    RobotPart(QGraphicsItem *parent = 0);

protected:
    void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
    void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
    void dropEvent(QGraphicsSceneDragDropEvent *event);

    QPixmap pixmap;
    QColor color;
    bool dragOver;
};

class RobotHead : public RobotPart
{
public:
    RobotHead(QGraphicsItem *parent = 0);

    QRectF boundingRect() const;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);

    enum { Type = UserType + 1 };
    int type() const;
};

class RobotTorso : public RobotPart
{
public:
    RobotTorso(QGraphicsItem *parent = 0);

    QRectF boundingRect() const;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
};

class RobotLimb : public RobotPart
{
public:
    RobotLimb(QGraphicsItem *parent = 0);

    QRectF boundingRect() const;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
};

class Robot : public RobotPart
{
public:
    Robot();
    ~Robot();
    
    QRectF boundingRect() const;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);

private:
    QTimeLine *timeLine;    
};

#endif