/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#ifndef SIZEHANDLERECT_H
#define SIZEHANDLERECT_H

#include "namespace_global.h"

#include "widgethostconstants.h"

#include <QtGui/QWidget>
#include <QtCore/QPoint>

namespace SharedTools {
namespace Internal {

class SizeHandleRect : public QWidget
{
    Q_OBJECT
public:
    enum Direction { LeftTop, Top, RightTop, Right, RightBottom, Bottom, LeftBottom, Left };

    SizeHandleRect(QWidget *parent, Direction d, QWidget *resizable);

    Direction dir() const  { return m_dir; }
    void updateCursor();
    void setState(SelectionHandleState st);

signals:

    void mouseButtonReleased(const QRect &, const QRect &);

protected:
    void paintEvent(QPaintEvent *e);
    void mousePressEvent(QMouseEvent *e);
    void mouseMoveEvent(QMouseEvent *e);
    void mouseReleaseEvent(QMouseEvent *e);

private:
    void tryResize(const QSize &delta);

private:
    const Direction m_dir;
    QPoint m_startPos;
    QPoint m_curPos;
    QSize m_startSize;
    QSize m_curSize;
    QWidget *m_resizable;
    SelectionHandleState m_state;
};

}
} // namespace SharedTools


#endif // SIZEHANDLERECT_H