Developer Documentation

QtGraphicsButton.hh
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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
114 bool checkable_;
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
QtGraphicsButton::setChecked
void setChecked(bool _value)
sets button checked state
Definition: QtGraphicsButton.cc:126
QtGraphicsButton::boundingRect
virtual QRectF boundingRect() const
returns the bounding rect
Definition: QtGraphicsButton.cc:99
QtGraphicsButton::QtGraphicsButton
QtGraphicsButton(const QImage &_image, QGraphicsItem *_parent=0, int _width=-1, int _height=-1)
Definition: QtGraphicsButton.cc:61
QtGraphicsButton
Definition: QtGraphicsButton.hh:65
QtGraphicsButton::checkable_
bool checkable_
button state
Definition: QtGraphicsButton.hh:114
QtGraphicsButton::normalPix_
QPixmap normalPix_
pixmaps for different button states
Definition: QtGraphicsButton.hh:124
QtGraphicsButton::hoverEnterEvent
virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *_event)
event tracking
Definition: QtGraphicsButton.cc:140
QtGraphicsButton::width_
int width_
button size
Definition: QtGraphicsButton.hh:120
QtGraphicsButton::isChecked
bool isChecked() const
returns button checked state
Definition: QtGraphicsButton.cc:133
QtGraphicsButton::paint
virtual void paint(QPainter *_painter, const QStyleOptionGraphicsItem *_option, QWidget *_widget=0)
paints the button
Definition: QtGraphicsButton.cc:106
QtGraphicsButton::pressed
void pressed()
signals a button press
QtGraphicsButton::setCheckable
void setCheckable(bool _value)
makes the button checkable
Definition: QtGraphicsButton.cc:119