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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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