sortingbox.h

qt-x11-opensource-src-4.1.4.tar.gz源码

/****************************************************************************
**
** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at [e-mail].
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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****************************************************************************/

#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