plasma-framework/private/windowpreview_p.h

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/*
* Copyright 2007 by Dan Meltzer <hydrogen@notyetimplemented.com>
* Copyright (C) 2008 by Alexis Ménard <darktears31@gmail.com>
*
* This program 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, 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 Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef PLASMA_WINDOWPREVIEW_P_H
#define PLASMA_WINDOWPREVIEW_P_H
#include <QWidget> // base class
#include <QSize> // stack allocated
namespace Plasma {
class FrameSvg;
/**
* @internal
*
* A widget which reserves area for window preview and sets hints on the toplevel
* tooltip widget that tells KWin to render the preview in this area. This depends
* on KWin's TaskbarThumbnail compositing effect (which is automatically detected).
*/
class WindowPreview : public QWidget
{
Q_OBJECT
public:
static bool previewsAvailable();
WindowPreview(QWidget *parent = 0);
void setWindowId(WId w);
WId windowId() const;
void setInfo();
virtual QSize sizeHint() const;
protected:
void paintEvent(QPaintEvent *e);
private:
void readWindowSize() const;
WId id;
mutable QSize windowSize;
FrameSvg *m_background;
};
} // namespace Plasma
#endif // PLASMA_WINDOWPREVIEW_P_H