/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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** This file is part of the Qt Designer of the Qt Toolkit.
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** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
** your option) use any later version of the GNU General Public
** License if such license has been publicly approved by Trolltech ASA
** (or its successors, if any) and the KDE Free Qt Foundation. In
** addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
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** GPL_EXCEPTION.txt in this package.
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****************************************************************************/

#ifndef QTCOLORLINE_H
#define QTCOLORLINE_H

#include <QWidget>

namespace qdesigner_internal {

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 backgroundTransparent READ backgroundTransparent WRITE setBackgroundTransparent)
    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;

    void setBackgroundTransparent(bool transparent);
    bool backgroundTransparent() const;

    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);

private:

    class QtColorLinePrivate *d_ptr;
    Q_DECLARE_PRIVATE(QtColorLine)
    Q_DISABLE_COPY(QtColorLine)
};

}

#endif
