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https://github.com/RetroShare/RetroShare.git
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87344de7d4
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@1850 b45a01b8-16f6-495d-af2f-9b41ad6348cc
128 lines
4.5 KiB
C++
128 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2007-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the example classes of the Qt Toolkit.
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**
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** This file may be used under the terms of the GNU General Public
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** License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Alternatively you may (at
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** your option) use any later version of the GNU General Public
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** License if such license has been publicly approved by Trolltech ASA
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** (or its successors, if any) and the KDE Free Qt Foundation. In
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** addition, as a special exception, Trolltech gives you certain
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** additional rights. These rights are described in the Trolltech GPL
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** Exception version 1.2, which can be found at
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** http://www.trolltech.com/products/qt/gplexception/ and in the file
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** GPL_EXCEPTION.txt in this package.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/. If
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** you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** In addition, as a special exception, Trolltech, as the sole
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** copyright holder for Qt Designer, grants users of the Qt/Eclipse
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** Integration plug-in the right for the Qt/Eclipse Integration to
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** link to functionality provided by Qt Designer and its related
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** libraries.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly
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** granted herein.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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****************************************************************************/
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#ifndef DIAGRAMPATHITEM_H
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#define DIAGRAMPATHITEM_H
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#include <QGraphicsPixmapItem>
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#include <QList>
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QT_BEGIN_NAMESPACE
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class QPixmap;
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class QGraphicsItem;
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class QGraphicsScene;
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class QTextEdit;
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class QGraphicsSceneMouseEvent;
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class QMenu;
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class QGraphicsSceneContextMenuEvent;
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class QPainter;
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class QStyleOptionGraphicsItem;
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class QWidget;
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class QPolygonF;
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QT_END_NAMESPACE
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//! [0]
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class DiagramPathItem : public QGraphicsPathItem
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{
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public:
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enum { Type = UserType + 6 };
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enum DiagramType { Path, Start, End, StartEnd };
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DiagramPathItem(DiagramType diagramType, QMenu *contextMenu,
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QGraphicsItem *parent = 0, QGraphicsScene *scene = 0);
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DiagramPathItem(QMenu *contextMenu,
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QGraphicsItem *parent, QGraphicsScene *scene);//constructor fuer Vererbung
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DiagramPathItem(const DiagramPathItem& diagram);//copy constructor
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virtual DiagramPathItem* copy();
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void append(const QPointF point);
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void remove();
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void updateLast(const QPointF point);
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DiagramType diagramType() const
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{ return myDiagramType; }
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virtual void setDiagramType(DiagramType type)
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{ myDiagramType=type; }
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QPixmap image() const;
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QPixmap icon();
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QPainterPath getPath() const;
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QList<QPointF> getPoints()
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{ return myPoints; }
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int type() const
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{ return Type;}
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void setHandlerWidth(const qreal width)
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{
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myHandlerWidth = width;
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}
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protected:
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void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
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QVariant itemChange(GraphicsItemChange change, const QVariant &value);
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void createPath();
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QPainterPath createArrow(QPointF p1, QPointF p2) const;
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *);
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QRectF boundingRect() const;
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QPainterPath shape() const;
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bool hasClickedOn(QPointF press_point, QPointF point) const;
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void mousePressEvent(QGraphicsSceneMouseEvent *e);
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void mouseMoveEvent(QGraphicsSceneMouseEvent *e);
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void hoverEnterEvent(QGraphicsSceneHoverEvent *e);
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void hoverLeaveEvent(QGraphicsSceneHoverEvent *e);
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QPointF onGrid(QPointF pos);
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private:
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DiagramType myDiagramType;
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QMenu *myContextMenu;
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QList<QPointF> myPoints;
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qreal len,breite;
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int mySelPoint,myHoverPoint;
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qreal myHandlerWidth;
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};
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//! [0]
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#endif
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