WidgetHighlighter.h

/***************************************************************************
 *   Copyright (C) 2010 by Daniel Calviño Sánchez <danxuliu@gmail.com>     *
 *   Copyright (C) 2011 by Daniel Calviño Sánchez <danxuliu@gmail.com>     *
 *   Copyright (C) 2012 by Daniel Calviño Sánchez <danxuliu@gmail.com>     *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; If not, see <http://www.gnu.org/licenses/>.  *
 ***************************************************************************/

#ifndef KTUTORIAL_EXTENDEDINFORMATION_WIDGETHIGHLIGHTER_H
#define KTUTORIAL_EXTENDEDINFORMATION_WIDGETHIGHLIGHTER_H

#include <QTimer>
#include <QWidget>

namespace ktutorial {
namespace extendedinformation {

class WidgetHighlighter: public QWidget {
Q_OBJECT
public:

    explicit WidgetHighlighter(QWidget* targetWidget);

    virtual bool eventFilter(QObject* watched, QEvent* event);

public Q_SLOTS:

    void start();

    void stop();

Q_SIGNALS:

    void stopped(extendedinformation::WidgetHighlighter* widgetHighlighter);

protected:

    virtual void paintEvent(QPaintEvent* event);

private:

    QWidget* mTargetWidget;

    QTimer mTimer;

    qreal mProgress;

    qreal mProgressForEachTick;

    bool mIncreasing;

    bool mStopping;

    int mFrameWidth;

private Q_SLOTS:

    void updateProgress();

};

}
}

#endif