/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the tools applications of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QTGRADIENTSTOPSMODEL_H+
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#define QTGRADIENTSTOPSMODEL_H+
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+
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#include <QtCore/QObject>+
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#include <QtCore/QMap>+
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+
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QT_BEGIN_NAMESPACE+
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+
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class QColor;+
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+
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class QtGradientStopsModel;+
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+
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class QtGradientStop+
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{+
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public:+
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    qreal position() const;+
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    QColor color() const;+
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    QtGradientStopsModel *gradientModel() const;+
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+
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private:+
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    void setColor(const QColor &color);+
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    void setPosition(qreal position);+
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    friend class QtGradientStopsModel;+
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    QtGradientStop(QtGradientStopsModel *model = 0);+
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    ~QtGradientStop();+
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    QScopedPointer<class QtGradientStopPrivate> d_ptr;+
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};+
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+
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class QtGradientStopsModel : public QObject+
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{+
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    Q_OBJECT+
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public:+
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    typedef QMap<qreal, QtGradientStop *> PositionStopMap;+
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+
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    QtGradientStopsModel(QObject *parent = 0);+
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    ~QtGradientStopsModel();+
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+
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    PositionStopMap stops() const;+
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    QtGradientStop *at(qreal pos) const;+
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    QColor color(qreal pos) const; // calculated between points+
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    QList<QtGradientStop *> selectedStops() const;+
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    QtGradientStop *currentStop() const;+
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    bool isSelected(QtGradientStop *stop) const;+
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    QtGradientStop *firstSelected() const;+
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    QtGradientStop *lastSelected() const;+
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    QtGradientStopsModel *clone() const;+
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+
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    QtGradientStop *addStop(qreal pos, const QColor &color);+
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    void removeStop(QtGradientStop *stop);+
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    void moveStop(QtGradientStop *stop, qreal newPos);+
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    void swapStops(QtGradientStop *stop1, QtGradientStop *stop2);+
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    void changeStop(QtGradientStop *stop, const QColor &newColor);+
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    void selectStop(QtGradientStop *stop, bool select);+
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    void setCurrentStop(QtGradientStop *stop);+
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+
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    void moveStops(double newPosition); // moves current stop to newPos and all selected stops are moved accordingly+
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    void clear();+
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    void clearSelection();+
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    void flipAll();+
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    void selectAll();+
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    void deleteStops();+
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+
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signals:+
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    void stopAdded(QtGradientStop *stop);+
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    void stopRemoved(QtGradientStop *stop);+
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    void stopMoved(QtGradientStop *stop, qreal newPos);+
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    void stopsSwapped(QtGradientStop *stop1, QtGradientStop *stop2);+
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    void stopChanged(QtGradientStop *stop, const QColor &newColor);+
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    void stopSelected(QtGradientStop *stop, bool selected);+
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    void currentStopChanged(QtGradientStop *stop);+
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+
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private:+
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    QScopedPointer<class QtGradientStopsModelPrivate> d_ptr;+
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    Q_DECLARE_PRIVATE(QtGradientStopsModel)+
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    Q_DISABLE_COPY(QtGradientStopsModel)+
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};+
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+
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QT_END_NAMESPACE+
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+
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#endif+
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