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Diffstat (limited to 'examples/graphicsview/diagramscene/diagramitem.h')
-rw-r--r-- | examples/graphicsview/diagramscene/diagramitem.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/examples/graphicsview/diagramscene/diagramitem.h b/examples/graphicsview/diagramscene/diagramitem.h new file mode 100644 index 0000000000..44a8b6dad5 --- /dev/null +++ b/examples/graphicsview/diagramscene/diagramitem.h @@ -0,0 +1,96 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 |