Developer Documentation
trash.hh
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49 
50 #ifndef VSI_TRASH_HH
51 #define VSI_TRASH_HH
52 
53 //== INCLUDES =================================================================
54 #include <QGraphicsPixmapItem>
55 #include <QGraphicsLayoutItem>
56 #include <QString>
57 #include <QTimer>
58 
59 //== NAMESPACES ===============================================================
60 namespace VSI {
61 
62 //== FORWARDDECLARATIONS ======================================================
63 class GraphicsScene;
64 
65 //== CLASS DEFINITION =========================================================
66 
69 class Trash : public QObject, public QGraphicsPixmapItem, public QGraphicsLayoutItem
70 {
71  Q_OBJECT
72  Q_INTERFACES(QGraphicsLayoutItem)
73 
74  public:
75 
77  Trash (GraphicsScene *_scene, QGraphicsItem *_parent);
78 
80  ~Trash ();
81 
83  void activate ();
84 
86  void deactivate ();
87 
89  virtual void setGeometry (const QRectF &_rect);
90 
91  protected:
92  // catch mouse hover events
93  virtual void hoverEnterEvent (QGraphicsSceneHoverEvent *_event);
94  virtual void hoverLeaveEvent (QGraphicsSceneHoverEvent *_event);
95 
96  // catch mouse press events
97  virtual void mousePressEvent (QGraphicsSceneMouseEvent *_event);
98 
99  // size information for layouting
100  virtual QSizeF sizeHint ( Qt::SizeHint _which, const QSizeF & _constraint = QSizeF()) const;
101 
102  private:
103  GraphicsScene *scene_;
104 };
105 
106 //=============================================================================
107 }
108 //=============================================================================
109 
110 #endif
void activate()
Makes the trash opaque (will be called of an element is moved above this widget)
Definition: trash.cc:124
virtual void setGeometry(const QRectF &_rect)
Sets the geometry.
Definition: trash.cc:140
Trash(GraphicsScene *_scene, QGraphicsItem *_parent)
Constructor.
Definition: trash.cc:72
void deactivate()
Makes the trash transparent (will be called of an element is moved away from this widget) ...
Definition: trash.cc:132
~Trash()
Destructor.
Definition: trash.cc:86