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    41 

    42 #ifndef SORTINGBOX_H

    43 #define SORTINGBOX_H

    44 

    45 #include <QWidget>

    46 

    47 #include "shapeitem.h"

    48 

    49 QT_BEGIN_NAMESPACE

    50 class QAction;

    51 class QPoint;

    52 class QToolButton;

    53 QT_END_NAMESPACE

    54 

    55 //! [0]

    56 class SortingBox : public QWidget

    57 {

    58     Q_OBJECT

    59 

    60 public:

    61     SortingBox();

    62 

    63 protected:

    64     bool event(QEvent *event);

    65     void resizeEvent(QResizeEvent *event);

    66     void paintEvent(QPaintEvent *event);

    67     void mousePressEvent(QMouseEvent *event);

    68     void mouseMoveEvent(QMouseEvent *event);

    69     void mouseReleaseEvent(QMouseEvent *event);

    70 

    71 private slots:

    72     void createNewCircle();

    73     void createNewSquare();

    74     void createNewTriangle();

    75 //! [0]

    76 

    77 //! [1]

    78 private:

    79     int updateButtonGeometry(QToolButton *button, int x, int y);

    80     void createShapeItem(const QPainterPath &path, const QString &toolTip,

    81                          const QPoint &pos, const QColor &color);

    82     int itemAt(const QPoint &pos);

    83     void moveItemTo(const QPoint &pos);

    84     QPoint initialItemPosition(const QPainterPath &path);

    85     QPoint randomItemPosition();

    86     QColor initialItemColor();

    87     QColor randomItemColor();

    88     QToolButton *createToolButton(const QString &toolTip, const QIcon &icon,

    89 //! [1]

    90                                   const char *member);

    91 

    92 //! [2]

    93     QList<ShapeItem> shapeItems;

    94     QPainterPath circlePath;

    95     QPainterPath squarePath;

    96     QPainterPath trianglePath;

    97 

    98     QPoint previousPosition;

    99     ShapeItem *itemInMotion;

   100 

   101     QToolButton *newCircleButton;

   102     QToolButton *newSquareButton;

   103     QToolButton *newTriangleButton;

   104 };

   105 //! [2]

   106 

   107 #endif