katefadeeffect.h

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/* This file is part of the KDE and the Kate project
 *
 *   Copyright (C) 2013 Dominik Haumann <dhaumann@kde.org>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 */

#ifndef KATE_FADE_EFFECT_H
#define KATE_FADE_EFFECT_H

#include <QObject>
#include <QPointer>

class QWidget;
class QTimeLine;
class QGraphicsOpacityEffect;
class KateFadeEffect : public QObject
{
  Q_OBJECT

  public:
    KateFadeEffect(QWidget* widget = 0);

  public Q_SLOTS:
    void fadeOut();
    void fadeIn();

  Q_SIGNALS:
    void widgetHidden();

  protected Q_SLOTS:
    void opacityChanged(qreal value);
    void animationFinished();

  private:
    QPointer<QWidget> m_widget;         
    QTimeLine* m_timeLine;              
    QPointer<QGraphicsOpacityEffect> m_effect; 
};

#endif

// kate: space-indent on; indent-width 2; replace-tabs on;