Developer Documentation
QtGraphicsButton.hh
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41 
42 
43 
44 
45 
46 #ifndef QT_GRAPHICS_BUTTON_
47 #define QT_GRAPHICS_BUTTON_
48 
49 //=============================================================================
50 //
51 // CLASS QtGraphicsButton - IMPLEMENTATION
52 //
53 //=============================================================================
54 
55 //== INCLUDES =================================================================
56 
57 #include <QGraphicsItem>
58 
59 //== CLASS DEFINITION =========================================================
60 
65 class QtGraphicsButton : public QObject, public QGraphicsItem
66 {
67  Q_OBJECT
68  Q_INTERFACES(QGraphicsItem)
69 
70  public:
71 
79  QtGraphicsButton (const QImage &_image, QGraphicsItem *_parent = 0, int _width = -1, int _height = -1);
80 
81  public:
82 
84  virtual QRectF boundingRect () const;
85 
87  virtual void paint (QPainter *_painter, const QStyleOptionGraphicsItem *_option, QWidget *_widget = 0);
88 
90  virtual void hoverEnterEvent (QGraphicsSceneHoverEvent *_event);
91  virtual void hoverLeaveEvent (QGraphicsSceneHoverEvent *_event);
92  virtual void mousePressEvent (QGraphicsSceneMouseEvent *_event);
93  virtual void mouseReleaseEvent (QGraphicsSceneMouseEvent *_event);
94 
95  virtual QVariant itemChange (GraphicsItemChange _change, const QVariant &_value);
96 
98  void setCheckable (bool _value);
99 
101  void setChecked (bool _value);
102 
104  bool isChecked () const;
105 
106  signals:
107 
109  void pressed ();
110 
111  private:
112 
115  bool checked_;
116  bool pressed_;
117  bool over_;
118 
120  int width_;
121  int height_;
122 
124  QPixmap normalPix_;
125  QPixmap overPix_;
126  QPixmap checkedPix_;
127 };
128 
129 #endif
130 
void setChecked(bool _value)
sets button checked state
virtual QRectF boundingRect() const
returns the bounding rect
QtGraphicsButton(const QImage &_image, QGraphicsItem *_parent=0, int _width=-1, int _height=-1)
bool checkable_
button state
QPixmap normalPix_
pixmaps for different button states
virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *_event)
event tracking
int width_
button size
bool isChecked() const
returns button checked state
virtual void paint(QPainter *_painter, const QStyleOptionGraphicsItem *_option, QWidget *_widget=0)
paints the button
void pressed()
signals a button press
void setCheckable(bool _value)
makes the button checkable