2011-04-05 22:18:17 +00:00

76 lines
3.0 KiB
C++

/****************************************************************************
* MeshLab o o *
* A versatile mesh processing toolbox o o *
* _ O _ *
* Copyright(C) 2005 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
/****************************************************************************
History
Revision 1.0 2008/02/20 Alessandro Maione, Federico Bellucci
FIRST RELEASE
****************************************************************************/
#ifndef _HANDLE_H_
#define _HANDLE_H_
#include <QObject>
#include <QGraphicsItem>
#include <QtGui>
#include <limits>
#include "common/util.h"
/* Drag&Drop generic handle to be used in QGrahicsScenes */
class Handle : public QObject, public QGraphicsItem
{
Q_OBJECT
public:
Handle(CHART_INFO *environment_info, QColor color, QPointF position, int zOrder=1, int size = DEFAULT_HANDLE_SIZE );
~Handle(void);
inline void setSize (int size) {_size = size;};
inline void setColor (QColor color) {_color = color;};
inline float getSize() {return _size;}
// Overriding QGraphicsItem methods
QRectF boundingRect () const;
virtual void paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget) = 0;
protected:
void mousePressEvent (QGraphicsSceneMouseEvent *event);
void mouseMoveEvent (QGraphicsSceneMouseEvent *event) = 0;
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
QColor _color;
int _size;
CHART_INFO* _chartInfo;
private:
signals:
void handleReleased();
private slots:
};
#endif // HANDLE_H