plasma-framework/plasma/widgets/busywidget.h

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/*
* Copyright 2008 Marco Martin <notmart@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_BUSYWIDGET_H
#define PLASMA_BUSYWIDGET_H
#include <QtGui/QGraphicsWidget>
#include <plasma/plasma_export.h>
class QFrame;
namespace Plasma
{
class BusyWidgetPrivate;
/**
* @class BusyWidget plasma/widgets/spinner.h <Plasma/Widgets/BusyWidget>
*
* @short A widget that provides a waiting spinner
*
* A simple spinner widget that can be used to represent a wait of unknown length
*/
class PLASMA_EXPORT BusyWidget : public QGraphicsWidget
{
Q_OBJECT
public:
/**
* Constructs a new BusyWidget
*
* @arg parent the parent of this widget
*/
explicit BusyWidget(QGraphicsWidget *parent = 0);
~BusyWidget();
protected:
void paint(QPainter *painter,
const QStyleOptionGraphicsItem *option,
QWidget *widget = 0);
void showEvent(QShowEvent *event);
void hideEvent(QHideEvent *event);
protected Q_SLOTS:
void timerEvent(QTimerEvent *event);
private:
BusyWidgetPrivate * const d;
Q_PRIVATE_SLOT(d, void themeChanged())
};
} // namespace Plasma
#endif // multiple inclusion guard