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/****************************************************************************
**
** Copyright (C) 2006 Trolltech AS. All rights reserved.
**
** This file is part of the documentation of Qt. It was originally
** published as part of Qt Quarterly.
**
** This file may be used under the terms of the GNU General Public License
** version 2.0 as published by the Free Software Foundation or under the
** terms of the Qt Commercial License Agreement. The respective license
** texts for these are provided with the open source and commercial
** editions of Qt.
**
** 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 sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#ifndef FADERWIDGET_H
#define FADERWIDGET_H
#include <QWidget>
class QTimer;
class FaderWidget : public QWidget
{
Q_OBJECT
Q_PROPERTY(QColor fadeColor READ fadeColor WRITE setFadeColor)
Q_PROPERTY(int fadeDuration READ fadeDuration WRITE setFadeDuration)
public:
FaderWidget(QWidget *parent);
QColor fadeColor() const { return startColor; }
void setFadeColor(const QColor &newColor) { startColor = newColor; }
int fadeDuration() const { return duration; }
void setFadeDuration(int milliseconds) { duration = milliseconds; }
void start();
void startFadeOut();
signals:
void done(QWidget *w);
protected:
void paintEvent(QPaintEvent *event);
private:
QTimer *timer;
QColor startColor, endColor;
bool fadeOut;
int currentAlpha;
int duration;
};
#endif
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