/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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:
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 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 the GNU General
** Public License version 3.0 requirements will be met:
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****************************************************************************/

#ifndef SGHIGHLIGHT_H
#define SGHIGHLIGHT_H

#include <QtCore/QWeakPointer>
#include <QtDeclarative/QSGPaintedItem>

namespace QmlJSDebugger {

class SGHighlight : public QSGPaintedItem
{
    Q_OBJECT

public:
    SGHighlight(QSGItem *parent) : QSGPaintedItem(parent) {}
    SGHighlight(QSGItem *item, QSGItem *parent);

    void setItem(QSGItem *item);

private slots:
    void adjust();

private:
    QWeakPointer<QSGItem> m_item;
};

/**
 * A highlight suitable for indicating selection.
 */
class SGSelectionHighlight : public SGHighlight
{
public:
    SGSelectionHighlight(QSGItem *item, QSGItem *parent)
        : SGHighlight(item, parent)
    {}

    void paint(QPainter *painter);
};

/**
 * A highlight suitable for indicating hover.
 */
class SGHoverHighlight : public SGHighlight
{
public:
    SGHoverHighlight(QSGItem *parent)
        : SGHighlight(parent)
    {
        setZ(1); // hover highlight on top of selection highlight
    }

    void paint(QPainter *painter);
};

} // namespace QmlJSDebugger

#endif // SGHIGHLIGHT_H