/****************************************************************************
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
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** This file is part of the QtDeclarative module of the Qt Toolkit.
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** 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
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
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#ifndef QFXMOUSEREGION_H
#define QFXMOUSEREGION_H

#include <QtDeclarative/qfxitem.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

class Q_DECLARATIVE_EXPORT QFxDrag : public QObject
{
    Q_OBJECT

    Q_PROPERTY(QFxItem *target READ target WRITE setTarget)
    Q_PROPERTY(QString axis READ axis WRITE setAxis)
    Q_PROPERTY(qreal xmin READ xmin WRITE setXmin)
    Q_PROPERTY(qreal xmax READ xmax WRITE setXmax)
    Q_PROPERTY(qreal ymin READ ymin WRITE setYmin)
    Q_PROPERTY(qreal ymax READ ymax WRITE setYmax)
public:
    QFxDrag(QObject *parent=0);
    ~QFxDrag();

    QFxItem *target() const;
    void setTarget(QFxItem *);
    QString axis() const;
    void setAxis(const QString &);
    qreal xmin() const;
    void setXmin(qreal);
    qreal xmax() const;
    void setXmax(qreal);
    qreal ymin() const;
    void setYmin(qreal);
    qreal ymax() const;
    void setYmax(qreal);

private:
    QFxItem *_target;
    QString _axis;
    qreal _xmin;
    qreal _xmax;
    qreal _ymin;
    qreal _ymax;
    Q_DISABLE_COPY(QFxDrag)
};

class QFxMouseEvent;
class QFxMouseRegionPrivate;
class Q_DECLARATIVE_EXPORT QFxMouseRegion : public QFxItem
{
    Q_OBJECT

    Q_PROPERTY(qreal mouseX READ mouseX NOTIFY positionChanged)
    Q_PROPERTY(qreal mouseY READ mouseY NOTIFY positionChanged)
    Q_PROPERTY(bool containsMouse READ hovered NOTIFY hoveredChanged)
    Q_PROPERTY(bool pressed READ pressed NOTIFY pressedChanged)
    Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled)
    Q_PROPERTY(QFxDrag *drag READ drag)
public:
    QFxMouseRegion(QFxItem *parent=0);
    ~QFxMouseRegion();

    qreal mouseX() const;
    qreal mouseY() const;

    bool isEnabled() const;
    void setEnabled(bool);

    bool hovered();
    bool pressed();

    void setHovered(bool);
    void setPressed(bool);

    QFxDrag *drag();

Q_SIGNALS:
    void hoveredChanged();
    void pressedChanged();
    void positionChanged(QFxMouseEvent *mouse);

    void pressed(QFxMouseEvent *mouse);
    void pressAndHold(QFxMouseEvent *mouse);
    void released(QFxMouseEvent *mouse);
    void clicked(QFxMouseEvent *mouse);
    void doubleClicked(QFxMouseEvent *mouse);
    void entered();
    void exited();

protected:
    void mousePressEvent(QGraphicsSceneMouseEvent *event);
    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
    void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
    void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
    void mouseUngrabEvent();
    void timerEvent(QTimerEvent *event);

private:
    void handlePress();
    void handleRelease();

protected:
    QFxMouseRegion(QFxMouseRegionPrivate &dd, QFxItem *parent);

private:
    Q_DISABLE_COPY(QFxMouseRegion)
    Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr, QFxMouseRegion)
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QFxDrag)
QML_DECLARE_TYPE(QFxMouseRegion)

QT_END_HEADER

#endif // QFXMOUSEREGION_H