plasma-framework/plasma/private/windowpreview_p.h
2013-01-30 13:43:33 +01:00

81 lines
2.3 KiB
C++

/*
* 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 setWindowIds(const QList<WId> w);
QList<WId> windowIds() const;
void setInfo();
bool isEmpty() const;
virtual QSize sizeHint() const;
void setHighlightWindows(const bool highlight);
bool highlightWindows() const;
Q_SIGNALS:
void windowPreviewClicked(WId wid, Qt::MouseButtons buttons, Qt::KeyboardModifiers keys, const QPoint &screenPos);
protected:
void paintEvent(QPaintEvent *e);
void mousePressEvent(QMouseEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void leaveEvent(QEvent *event);
private:
QList<WId> ids;
mutable QList<QSize> windowSizes;
QList <QRect> m_thumbnailRects;
FrameSvg *m_background;
bool m_highlightWindows;
static const int WINDOW_MARGIN = 10;
static const int WINDOW_WIDTH = 200;
static const int WINDOW_HEIGHT = 150;
};
} // namespace Plasma
#endif // PLASMA_WINDOWPREVIEW_P_H