~ubuntu-branches/ubuntu/vivid/muon/vivid-proposed

/*

    Copyright (c) 2009 Tobias Koenig <tokoe@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 SCREENSHOTOVERLAY_H

#define SCREENSHOTOVERLAY_H

#include <QtCore/QPointer>

#include <QtWidgets/QWidget>

#include <QPixmap>

class QMouseEvent;

class QScrollArea;

class ClickableLabel;

/**

 * Class to display a screenshot as an overlay of a widget

 */

class ScreenShotOverlay : public QWidget

{

  Q_OBJECT

  public:

    /**

     * Create an overlay widget on @p baseWidget for the image at @p url.

     * @p baseWidget must not be null.

     * @p parent must not be equal to @p baseWidget

     */

    explicit ScreenShotOverlay(const QString &url, QWidget *baseWidget, QWidget *parent = 0);

    ~ScreenShotOverlay();

  protected:

    bool eventFilter( QObject *object, QEvent *event );

    virtual void mousePressEvent(QMouseEvent *event);

  private slots:

    void fadeIn();

  private:

    QPointer<QWidget> mBaseWidget;

    QScrollArea *m_scrollArea;

    QPixmap m_screenshot;

    ClickableLabel *m_screenshotL;

    void reposition();

  signals:

    void clicked();

};

#endif