/**************************************************************************
**
** 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.
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**************************************************************************/

#ifndef CUSTOMCOLORDIALOG_H
#define CUSTOMCOLORDIALOG_H

#include <qmleditorwidgets_global.h>
#include <QFrame>

QT_BEGIN_NAMESPACE
class QDoubleSpinBox;
QT_END_NAMESPACE

namespace QmlEditorWidgets {

class ColorBox;
class HueControl;

class QMLEDITORWIDGETS_EXPORT CustomColorDialog : public QFrame {

    Q_OBJECT
    Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)

public:
    CustomColorDialog(QWidget *parent = 0);
    QColor color() const { return m_color; }
    void setupColor(const QColor &color);
    void setColor(const QColor &color)
    {
        if (color == m_color)
            return;

        m_color = color;
        setupWidgets();
        emit colorChanged();
    }

public slots:
    void changeColor(const QColor &color) { setColor(color); }
    void spinBoxChanged();
    void onColorBoxChanged();
    void onHueChanged(int newHue)
    {
        if (m_blockUpdate)
            return;

        if (m_color.hsvHue() == newHue)
            return;
        m_color.setHsv(newHue, m_color.hsvSaturation(), m_color.value());
        setupWidgets();
        emit colorChanged();
    }
    void onAccept()
    {
        emit accepted(m_color);
    }

signals:
    void colorChanged();
    void accepted(const QColor &color);
    void rejected();

protected:
    void setupWidgets();
    void leaveEvent(QEvent *);
    void enterEvent(QEvent *);

private:
    QFrame *m_beforeColorWidget;
    QFrame *m_currentColorWidget;
    ColorBox *m_colorBox;
    HueControl *m_hueControl;

    QDoubleSpinBox *m_rSpinBox;
    QDoubleSpinBox *m_gSpinBox;
    QDoubleSpinBox *m_bSpinBox;
    QDoubleSpinBox *m_alphaSpinBox;

    QColor m_color;
    bool m_blockUpdate;
};

} //QmlEditorWidgets

#endif //CUSTOMCOLORDIALOG_H
