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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTGRADIENTSTOPSMODEL_H
#define QTGRADIENTSTOPSMODEL_H
#include <QtCore/QObject>
#include <QtCore/QMap>
QT_BEGIN_NAMESPACE
class QColor;
class QtGradientStopsModel;
class QtGradientStop
{
public:
qreal position() const;
QColor color() const;
QtGradientStopsModel *gradientModel() const;
private:
void setColor(const QColor &color);
void setPosition(qreal position);
friend class QtGradientStopsModel;
QtGradientStop(QtGradientStopsModel *model = 0);
~QtGradientStop();
class QtGradientStopPrivate *d_ptr;
};
class QtGradientStopsModel : public QObject
{
Q_OBJECT
public:
typedef QMap<qreal, QtGradientStop *> PositionStopMap;
QtGradientStopsModel(QObject *parent = 0);
~QtGradientStopsModel();
PositionStopMap stops() const;
QtGradientStop *at(qreal pos) const;
QColor color(qreal pos) const; // calculated between points
QList<QtGradientStop *> selectedStops() const;
QtGradientStop *currentStop() const;
bool isSelected(QtGradientStop *stop) const;
QtGradientStop *firstSelected() const;
QtGradientStop *lastSelected() const;
QtGradientStopsModel *clone() const;
QtGradientStop *addStop(qreal pos, const QColor &color);
void removeStop(QtGradientStop *stop);
void moveStop(QtGradientStop *stop, qreal newPos);
void swapStops(QtGradientStop *stop1, QtGradientStop *stop2);
void changeStop(QtGradientStop *stop, const QColor &newColor);
void selectStop(QtGradientStop *stop, bool select);
void setCurrentStop(QtGradientStop *stop);
void moveStops(double newPosition); // moves current stop to newPos and all selected stops are moved accordingly
void clear();
void clearSelection();
void flipAll();
void selectAll();
void deleteStops();
signals:
void stopAdded(QtGradientStop *stop);
void stopRemoved(QtGradientStop *stop);
void stopMoved(QtGradientStop *stop, qreal newPos);
void stopsSwapped(QtGradientStop *stop1, QtGradientStop *stop2);
void stopChanged(QtGradientStop *stop, const QColor &newColor);
void stopSelected(QtGradientStop *stop, bool selected);
void currentStopChanged(QtGradientStop *stop);
private:
class QtGradientStopsModelPrivate *d_ptr;
Q_DECLARE_PRIVATE(QtGradientStopsModel)
Q_DISABLE_COPY(QtGradientStopsModel)
};
QT_END_NAMESPACE
#endif
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