plasma-framework/widgets/pushbutton.h

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/*
* Copyright (C) 2007 by Siraj Razick siraj@kde.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License version 2 as
* published by the Free Software Foundation
*
* 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 PUSHBUTTON_H
#define PUSHBUTTON_H
#include <QtCore/QObject>
#include <QtGui/QGraphicsTextItem>
#include <QtGui/QLayoutItem>
#include <plasma/dataengine.h>
#include <plasma/plasma_export.h>
//TODO
//Please Document this class
namespace Plasma
{
/**
* Class that emulates a QPushButton inside plasma
*/
class PLASMA_EXPORT PushButton : public QObject,
public QGraphicsItem,
public QLayoutItem
{
Q_OBJECT
public:
enum ButtonShape
{
Rectangle = 0,
Round,
Custom
};
enum ButtonState
{
None,
Hover,
Pressed,
Released
};
public:
PushButton(QGraphicsItem *parent = 0);
virtual ~PushButton();
QString text() const;
void setText(const QString &name);
QSize size() const;
void setSize(const QSize& size);
int height() const;
void setHeight(int height);
int width() const;
void setWidth(int width);
void setIcon(const QString& path);
void setMaximumWidth(int maxwidth);
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
virtual QRectF boundingRect() const;
//layout stufff
virtual QSize sizeHint() const ;
virtual QSize minimumSize() const;
virtual QSize maximumSize() const ;
virtual Qt::Orientations expandingDirections() const;
virtual void setGeometry(const QRect& r);
virtual QRect geometry() const ;
virtual bool isEmpty() const {return false;}
Q_SIGNALS:
void clicked();
public Q_SLOTS:
void updated(const QString&, const DataEngine::Data &);
protected:
bool isDown();
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
private:
class Private ;
Private * const d;
};
} // namespace Plasma
#endif