/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QTCOLORLINE_H
#define QTCOLORLINE_H

#include <QtGui/QWidget>

QT_BEGIN_NAMESPACE

class QtColorLine : public QWidget
{
    Q_OBJECT
    Q_PROPERTY(QColor color READ color WRITE setColor)
    Q_PROPERTY(int indicatorSpace READ indicatorSpace WRITE setIndicatorSpace)
    Q_PROPERTY(int indicatorSize READ indicatorSize WRITE setIndicatorSize)
    Q_PROPERTY(bool flip READ flip WRITE setFlip)
    Q_PROPERTY(bool backgroundCheckered READ isBackgroundCheckered WRITE setBackgroundCheckered)
    Q_PROPERTY(ColorComponent colorComponent READ colorComponent WRITE setColorComponent)
    Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)
    Q_ENUMS(ColorComponent)
public:

    enum ColorComponent {
        Red,
        Green,
        Blue,
        Hue,
        Saturation,
        Value,
        Alpha
    };

    QSize minimumSizeHint() const;
    QSize sizeHint() const;

    QtColorLine(QWidget *parent = 0);
    ~QtColorLine();

    QColor color() const;

    void setIndicatorSize(int size);
    int indicatorSize() const;

    void setIndicatorSpace(int space);
    int indicatorSpace() const;

    void setFlip(bool flip);
    bool flip() const;

    bool isBackgroundCheckered() const;
    void setBackgroundCheckered(bool checkered);

    void setOrientation(Qt::Orientation orientation);
    Qt::Orientation orientation() const;

    void setColorComponent(ColorComponent component);
    ColorComponent colorComponent() const;

public slots:

    void setColor(const QColor &color);

signals:

    void colorChanged(const QColor &color);

protected:

    void resizeEvent(QResizeEvent *event);
    void paintEvent(QPaintEvent *event);
    void mousePressEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);
    void mouseDoubleClickEvent(QMouseEvent *event);

private:

    QScopedPointer<class QtColorLinePrivate> d_ptr;
    Q_DECLARE_PRIVATE(QtColorLine)
    Q_DISABLE_COPY(QtColorLine)
};

QT_END_NAMESPACE

#endif
