/****************************************************************
 *  RShare is distributed under the following license:
 *
 *  Copyright (C) 2006, The RetroShare Team
 *
 *  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 for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, 
 *  Boston, MA  02110-1301, USA.
 ****************************************************************/

#ifndef QSKINWIDGETRESIZEHANDLER_P_H
#define QSKINWIDGETRESIZEHANDLER_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  This header file may
// change from version to version without notice, or even be
// removed.
//
// We mean it.
//

#include <QObject>
#include <QPoint>
#include "qskinobject.h"
class QSkinObject;
class QMouseEvent;
class QKeyEvent;

class QSkinWidgetResizeHandler : public QObject
{
    Q_OBJECT
    friend class QSkinObject;
public:
    enum Action {
        Move        = 0x01,
        Resize        = 0x02,
        Any        = Move|Resize
    };

    explicit QSkinWidgetResizeHandler(QSkinObject * skobj, QWidget *parent, QWidget *cw = 0);
    void setActive(bool b) { setActive(Any, b); }
    void setActive(Action ac, bool b);
    bool isActive() const { return isActive(Any); }
    bool isActive(Action ac) const;
    void setMovingEnabled(bool b) { movingEnabled = b; }
    bool isMovingEnabled() const { return movingEnabled; }

    bool isButtonDown() const { return buttonDown; }

    void setExtraHeight(int h) { extrahei = h; }
    void setSizeProtection(bool b) { sizeprotect = b; }

    void setFrameWidth(int w) { fw = w; }

    void doResize();
    void doMove();

Q_SIGNALS:
    void activate();

protected:
    bool eventFilter(QObject *o, QEvent *e);
    void mouseMoveEvent(QMouseEvent *e);
    void keyPressEvent(QKeyEvent *e);

private:
    Q_DISABLE_COPY(QSkinWidgetResizeHandler)
	QSkinObject *obj;
    enum MousePosition {
        Nowhere,
        TopLeft, BottomRight, BottomLeft, TopRight,
        Top, Bottom, Left, Right,
        Center
    };

    QWidget *widget;
    QWidget *childWidget;
    QPoint moveOffset;
    QPoint invertedMoveOffset;
    MousePosition mode;
    int fw;
    int extrahei;
    int range;
    uint buttonDown            :1;
    uint moveResizeMode            :1;
    uint activeForResize    :1;
    uint sizeprotect            :1;
    uint movingEnabled                    :1;
    uint activeForMove            :1;
	uint widgetType;
    void setMouseCursor(MousePosition m);
    bool isMove() const {
        return moveResizeMode && mode == Center;
    }
    bool isResize() const {
        return moveResizeMode && !isMove();
    }
};


#endif // QSkinWidgetResizeHandler_P_H