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Viewing changes to VisualEditor/Scene/GraphScene.h

  • Committer: Package Import Robot
  • Author(s): Rohan Garg, Rohan Garg, Philip Muškovac
  • Date: 2013-06-21 02:04:20 UTC
  • mfrom: (1.1.27)
  • Revision ID: package-import@ubuntu.com-20130621020420-lzlui9y7qc6w3xog
Tags: 4:4.10.80-0ubuntu1
[ Rohan Garg ]
* New upstream release

[ Philip Muškovac ]
* Build-depend on libgrantlee-dev and libx11-dev
* Update rocs.install and not-installed 

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VisualEditor/Scene/GraphScene.h
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/*
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    This file is part of Rocs,
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    Copyright 2004-2011  Tomaz Canabrava <tomaz.canabrava@gmail.com>
 
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    Copyright 2013       Andreas Cord-Landwehr <cola@uni-paderborn.de>
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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#include "CoreTypes.h"
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class AbstractAction;
 
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class Document;
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class QAction;
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class Data;
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class Pointer;
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class QGraphicsItem;
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class Document;
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class DataStructure;
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class QGraphicsSceneMouseEvent;
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class QGraphicsSceneWheelEvent;
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class QGraphicsSceneContextMenuEvent;
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class QKeyEvent;
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class QMenu;
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// TODO this interface should not be public
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// need to refactor VisualGraphEditor to allow that
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class VISUALEDITOR_EXPORT GraphScene : public QGraphicsScene
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{
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    Q_OBJECT
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public:
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    explicit GraphScene(QObject *parent = 0);
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    void updateMinSize(qreal minWidth, qreal minHeight);
 
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    explicit GraphScene(QObject *parent);
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    void setAction(QAction *action);
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    void updateGraph(DataStructurePtr g);
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    void updateDocument();
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    void setActiveGraph(DataStructurePtr g);
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    void clearGraph();
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    qreal zoomFactor();
 
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    qreal zoomFactor() const;
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    void zoomBy(qreal scaleFactor);
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    void zoomTo(qreal scaleFactor);
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    void zoomToRect(QRectF rect);
 
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    void zoomToRect(const QRectF &rect);
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    void resetZoom();
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    void centerOn(QPointF pos);
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    void setHideEdges(bool h);
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    bool hideEdges();
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    void updateAfter(QGraphicsItem *item);
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    bool fade() const {
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        return _fade;
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    }
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    void fade(bool b) {
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        _fade = b;
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    }
 
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    void centerOn(const QPointF &pos);
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public slots:
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    QGraphicsItem* createData(DataPtr n);
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    QGraphicsItem* createEdge(PointerPtr e);
 
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    QGraphicsItem * createData(DataPtr n);
 
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    QGraphicsItem * createEdge(PointerPtr e);
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    void connectGraphSignals(DataStructurePtr g);
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    /**
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signals:
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    void resized();
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    void keyPressed(QKeyEvent* key);
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    void keyReleased(QKeyEvent* key);
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    void addData(QPointF pos);
 
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    void keyPressed(QKeyEvent *key);
 
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    void keyReleased(QKeyEvent *key);
 
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    void addData(const QPointF &pos);
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    void removeSelected();
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    void zoomFactorChanged(qreal zoomFactor);
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    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* mouseEvent);
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    void contextMenuEvent(QGraphicsSceneContextMenuEvent* event);
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    void wheelEvent(QGraphicsSceneWheelEvent* wheelEvent);
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    void keyPressEvent(QKeyEvent* keyEvent);
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    void keyReleaseEvent(QKeyEvent* keyEvent);
 
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    void keyPressEvent(QKeyEvent *keyEvent);
 
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    void keyReleaseEvent(QKeyEvent *keyEvent);
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private:
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    QMenu * createContextMenu(QPointF scenePosition, QPointF screenPosition);
 
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    QMenu * createContextMenu(const QPointF &scenePosition, const QPointF &screenPosition);
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    QMenu *_contextMenu;
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    Document *_graphDocument;
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    DataStructurePtr _graph;
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    AbstractAction *_action;
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    QMultiHash<DataStructure*, QGraphicsItem* > _hashGraphs;
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    QList<QGraphicsItem*> _hidedEdges;
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    QGraphicsRectItem *_whiteboard;
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    bool _hideEdges;
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    bool _fade;
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    void releaseDocument();
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    qreal _minWidth;
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    qreal _minHeight;
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    qreal _zoomFactor;
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};
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