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72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
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/**
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******************************************************************************
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*
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* @file mixercurvepoint.h
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* @author Edouard Lafargue Copyright (C) 2010.
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* Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2010.
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* @addtogroup GCSPlugins GCS Plugins
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* @{
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* @addtogroup ConfigPlugin Configuration Plugin
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* @{
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* @brief A point on the mixer curve
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef MIXERCURVEPOINT_H
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#define MIXERCURVEPOINT_H
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#include <QGraphicsItem>
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#include <QList>
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class Edge;
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class MixerCurveWidget;
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QT_BEGIN_NAMESPACE
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class QGraphicsSceneMouseEvent;
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QT_END_NAMESPACE
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class Node : public QGraphicsItem
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{
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public:
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Node(MixerCurveWidget *graphWidget);
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void addEdge(Edge *edge);
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QList<Edge *> edges() const;
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enum { Type = UserType + 1 };
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int type() const { return Type; }
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void calculateForces();
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bool advance();
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QRectF boundingRect() const;
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QPainterPath shape() const;
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
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protected:
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QVariant itemChange(GraphicsItemChange change, const QVariant &value);
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void mousePressEvent(QGraphicsSceneMouseEvent *event);
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
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private:
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QList<Edge *> edgeList;
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QPointF newPos;
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MixerCurveWidget *graph;
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};
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#endif // MIXERCURVEPOINT_H
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