Developer Documentation
trash.hh
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41 
42 
43 
44 #ifndef VSI_TRASH_HH
45 #define VSI_TRASH_HH
46 
47 //== INCLUDES =================================================================
48 #include <QGraphicsPixmapItem>
49 #include <QGraphicsLayoutItem>
50 #include <QString>
51 #include <QTimer>
52 
53 //== NAMESPACES ===============================================================
54 namespace VSI {
55 
56 //== FORWARDDECLARATIONS ======================================================
57 class GraphicsScene;
58 
59 //== CLASS DEFINITION =========================================================
60 
63 class Trash : public QObject, public QGraphicsPixmapItem, public QGraphicsLayoutItem
64 {
65  Q_OBJECT
66  Q_INTERFACES(QGraphicsLayoutItem)
67 
68  public:
69 
71  Trash (GraphicsScene *_scene, QGraphicsItem *_parent);
72 
74  ~Trash ();
75 
77  void activate ();
78 
80  void deactivate ();
81 
83  virtual void setGeometry (const QRectF &_rect);
84 
85  protected:
86  // catch mouse hover events
87  virtual void hoverEnterEvent (QGraphicsSceneHoverEvent *_event);
88  virtual void hoverLeaveEvent (QGraphicsSceneHoverEvent *_event);
89 
90  // catch mouse press events
91  virtual void mousePressEvent (QGraphicsSceneMouseEvent *_event);
92 
93  // size information for layouting
94  virtual QSizeF sizeHint ( Qt::SizeHint _which, const QSizeF & _constraint = QSizeF()) const;
95 
96  private:
97  GraphicsScene *scene_;
98 };
99 
100 //=============================================================================
101 }
102 //=============================================================================
103 
104 #endif
virtual void setGeometry(const QRectF &_rect)
Sets the geometry.
Definition: trash.cc:134
~Trash()
Destructor.
Definition: trash.cc:80
void activate()
Makes the trash opaque (will be called of an element is moved above this widget)
Definition: trash.cc:118
void deactivate()
Makes the trash transparent (will be called of an element is moved away from this widget) ...
Definition: trash.cc:126
Trash(GraphicsScene *_scene, QGraphicsItem *_parent)
Constructor.
Definition: trash.cc:66