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    15 ** GNU Lesser General Public License Usage

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    28 ** GNU General Public License Usage

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    41 

    42 #ifndef BUTTON_H

    43 #define BUTTON_H

    44 

    45 #include <QGraphicsWidget>

    46 

    47 class ButtonPrivate;

    48 class QTextDocument;

    49 

    50 class QPixmap; 

    51 class QFont;

    52 

    53 class Button : public QGraphicsWidget

    54 {

    55     Q_OBJECT

    56     Q_DECLARE_PRIVATE(Button)

    57 

    58 public:

    59 

    60     Button(const QString &text, QGraphicsItem *parent=0, QSizeF minimumSize = QSizeF());

    61     virtual ~Button();

    62 

    63 signals:

    64 

    65     void clicked(bool checked = false);

    66     void pressed();

    67     void released();

    68 

    69 public slots:

    70 

    71     void themeChange();

    72     void setText(const QString &text);

    73     QString text();

    74 

    75 public:

    76     

    77     void setBackground(QPixmap& background);

    78     bool isDown();

    79     void select(bool select){m_selected = select;}

    80     void click() {emit clicked();}

    81 

    82 private:

    83 

    84     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, 

    85             QWidget *widget = 0);

    86     QSizeF sizeHint(Qt::SizeHint which, 

    87         const QSizeF &constraint = QSizeF()) const;

    88 

    89     void mousePressEvent(QGraphicsSceneMouseEvent *event);

    90     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

    91     void mouseMoveEvent(QGraphicsSceneMouseEvent *event);

    92     void resizeEvent(QGraphicsSceneResizeEvent *event);

    93 

    94 private:

    95     Q_DISABLE_COPY(Button)

    96     ButtonPrivate *d_ptr;

    97     QPixmap m_background;

    98     QFont m_font;

    99     bool m_selected;

   100 };

   101 

   102 #endif // BUTTON_H