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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** 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:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/

#ifndef HUECONTROL_H
#define HUECONTROL_H

#include <qmleditorwidgets_global.h>
#include <QWidget>
#include <qdeclarative.h>

namespace QmlEditorWidgets {

class QMLEDITORWIDGETS_EXPORT HueControl : public QWidget
{
    Q_OBJECT
    Q_PROPERTY(qreal hue READ hue WRITE setHue NOTIFY hueChanged)

public:
    HueControl(QWidget *parent = 0) : QWidget(parent), m_color(Qt::white), m_mousePressed(false)
    {
        setFixedWidth(28);
        setFixedHeight(130);
    }

    void setHue(int newHue);
    int hue() const { return m_color.hsvHue(); }

signals:
    void hueChanged(int hue);

protected:
    void paintEvent(QPaintEvent *);
    void mousePressEvent(QMouseEvent *);
    void mouseReleaseEvent(QMouseEvent *);
    void mouseMoveEvent(QMouseEvent *);
    void setCurrent(int y);

private:
    QColor m_color;
    bool m_mousePressed;
    QPixmap m_cache;
};

} //QmlEditorWidgets

QML_DECLARE_TYPE(QmlEditorWidgets::HueControl)

#endif //HUECONTROL_H