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Diffstat (limited to 'examples/graphicsview/diagramscene/diagramitem.h')
-rw-r--r-- | examples/graphicsview/diagramscene/diagramitem.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/examples/graphicsview/diagramscene/diagramitem.h b/examples/graphicsview/diagramscene/diagramitem.h new file mode 100644 index 0000000..5409f20 --- /dev/null +++ b/examples/graphicsview/diagramscene/diagramitem.h @@ -0,0 +1,97 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples 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 DIAGRAMITEM_H +#define DIAGRAMITEM_H + +#include <QGraphicsPixmapItem> +#include <QList> + +QT_BEGIN_NAMESPACE +class QPixmap; +class QGraphicsItem; +class QGraphicsScene; +class QTextEdit; +class QGraphicsSceneMouseEvent; +class QMenu; +class QGraphicsSceneContextMenuEvent; +class QPainter; +class QStyleOptionGraphicsItem; +class QWidget; +class QPolygonF; +QT_END_NAMESPACE + +class Arrow; + +//! [0] +class DiagramItem : public QGraphicsPolygonItem +{ +public: + enum { Type = UserType + 15 }; + enum DiagramType { Step, Conditional, StartEnd, Io }; + + DiagramItem(DiagramType diagramType, QMenu *contextMenu, + QGraphicsItem *parent = 0, QGraphicsScene *scene = 0); + + void removeArrow(Arrow *arrow); + void removeArrows(); + DiagramType diagramType() const + { return myDiagramType; } + QPolygonF polygon() const + { return myPolygon; } + void addArrow(Arrow *arrow); + QPixmap image() const; + int type() const + { return Type;} + +protected: + void contextMenuEvent(QGraphicsSceneContextMenuEvent *event); + QVariant itemChange(GraphicsItemChange change, const QVariant &value); + +private: + DiagramType myDiagramType; + QPolygonF myPolygon; + QMenu *myContextMenu; + QList<Arrow *> arrows; +}; +//! [0] + +#endif |