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120 lines
4.2 KiB
C
120 lines
4.2 KiB
C
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/****************************************************************************
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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 DiagramDrawItem_H
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#define DiagramDrawItem_H
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#include <QGraphicsPixmapItem>
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#include <QList>
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#include "diagramitem.h"
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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 DiagramDrawItem : public DiagramItem
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{
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public:
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enum { Type = UserType + 16 };
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enum DiagramType { Ellipse, Rectangle };
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DiagramDrawItem(DiagramType diagramType, QMenu *contextMenu,
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QGraphicsItem *parent = 0, QGraphicsScene *scene = 0);
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DiagramDrawItem(const DiagramDrawItem& diagram);//copy constructor
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DiagramItem* copy();
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DiagramType diagramType() const
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{ return myDiagramType; }
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QPolygonF polygon() const
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{ return myPolygon; }
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QPixmap image() const;
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int type() const
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{ return Type;}
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void setPos2(qreal x,qreal y);
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void setPos2(QPointF pos);
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QPointF getPos2() const
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{ return mapToScene(myPos2); }
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void setDimension(QPointF newPos);
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QPointF getDimension();
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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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QPolygonF createPath();
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *);
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QPainterPath shape() const;
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QRectF boundingRect() const;
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void hoverMoveEvent(QGraphicsSceneHoverEvent *e);
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void hoverLeaveEvent(QGraphicsSceneHoverEvent *e);
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void mousePressEvent(QGraphicsSceneMouseEvent *e);
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void mouseMoveEvent(QGraphicsSceneMouseEvent *e);
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bool hasClickedOn(QPointF press_point, QPointF point) const ;
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QPointF onGrid(QPointF pos);
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private:
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DiagramType myDiagramType;
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QPolygonF myPolygon;
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QMenu *myContextMenu;
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QPointF myPos2;
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int myHoverPoint,mySelPoint;
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qreal myHandlerWidth;
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};
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//! [0]
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#endif
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