sortingbox.h Example File
widgets/tooltips/sortingbox.h

 /****************************************************************************
 **
 ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
 ** This file is part of the example classes of the Qt Toolkit.
 **
 ** Commercial Usage
 ** Licensees holding valid Qt Commercial licenses may use this file in
 ** accordance with the Qt Commercial License Agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and Nokia.
 **
 **
 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU
 ** General Public License versions 2.0 or 3.0 as published by the Free
 ** Software Foundation and appearing in the file LICENSE.GPL included in
 ** the packaging of this file.  Please review the following information
 ** to ensure GNU General Public Licensing requirements will be met:
 ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
 ** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
 ** exception, Nokia gives you certain additional rights. These rights
 ** are described in the Nokia Qt GPL Exception version 1.3, included in
 ** the file GPL_EXCEPTION.txt in this package.
 **
 ** Qt for Windows(R) Licensees
 ** As a special exception, Nokia, as the sole copyright holder for Qt
 ** Designer, grants users of the Qt/Eclipse Integration plug-in the
 ** right for the Qt/Eclipse Integration to link to functionality
 ** provided by Qt Designer and its related libraries.
 **
 ** If you are unsure which license is appropriate for your use, please
 ** contact the sales department at qt-sales@nokia.com.
 **
 ****************************************************************************/

 #ifndef SORTINGBOX_H
 #define SORTINGBOX_H

 #include <QWidget>

 #include "shapeitem.h"

 class QAction;
 class QPoint;
 class QToolButton;

 class SortingBox : public QWidget
 {
     Q_OBJECT

 public:
     SortingBox();

 protected:
     bool event(QEvent *event);
     void resizeEvent(QResizeEvent *event);
     void paintEvent(QPaintEvent *event);
     void mousePressEvent(QMouseEvent *event);
     void mouseMoveEvent(QMouseEvent *event);
     void mouseReleaseEvent(QMouseEvent *event);

 private slots:
     void createNewCircle();
     void createNewSquare();
     void createNewTriangle();

 private:
     int updateButtonGeometry(QToolButton *button, int x, int y);
     void createShapeItem(const QPainterPath &path, const QString &toolTip,
                          const QPoint &pos, const QColor &color);
     int itemAt(const QPoint &pos);
     void moveItemTo(const QPoint &pos);
     QPoint initialItemPosition(const QPainterPath &path);
     QPoint randomItemPosition();
     QColor initialItemColor();
     QColor randomItemColor();
     QToolButton *createToolButton(const QString &toolTip, const QIcon &icon,
                                   const char *member);

     QList<ShapeItem> shapeItems;
     QPainterPath circlePath;
     QPainterPath squarePath;
     QPainterPath trianglePath;

     QPoint previousPosition;
     ShapeItem *itemInMotion;

     QToolButton *newCircleButton;
     QToolButton *newSquareButton;
     QToolButton *newTriangleButton;
 };

 #endif